BlueGreycalmElegant

Català-Valencià – Catalan中文 – Chinese (Simplified)中文 – Chinese (Traditional)Česky – CzechDansk – DanishNederlands – DutchEnglish – EnglishSuomi – FinnishFrançais – FrenchDeutsch – Germanעברית – Hebrewहिंदी – HindiMagyar – HungarianBahasa Indonesia – IndonesianItaliano – Italian日本語 – Japanese한국어 – KoreanМакедонски – Macedonianमराठी – MarathiNorsk – NorwegianPolski – PolishPortuguês – PortuguesePortuguês – Portuguese (Brazil)Русский – RussianSlovenčina – SlovakSlovenščina – SlovenianEspañol – SpanishSvenska – SwedishTürkçe – TurkishУкраїнська – UkrainianOëzbekcha – Uzbek

Compare Revisions

• This comparison shows the changes necessary to convert path

  → /drivers/devman/acpica/utilities @ 1497

  → /drivers/devman/acpica/utilities @ 1498

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Regard whitespace Rev 1497 → Rev 1498

/drivers/devman/acpica/utilities/utalloc.c
0,0 → 1,488
/******************************************************************************
*
* Module Name: utalloc - local memory allocation routines
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTALLOC_C__
#include "acpi.h"
#include "accommon.h"
#include "acdebug.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utalloc")
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateCaches
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Create all local caches
*
******************************************************************************/
ACPI_STATUS
AcpiUtCreateCaches (
void)
{
ACPI_STATUS Status;
/* Object Caches, for frequently used objects */
Status = AcpiOsCreateCache ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
ACPI_MAX_NAMESPACE_CACHE_DEPTH, &AcpiGbl_NamespaceCache);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiOsCreateCache ("Acpi-State", sizeof (ACPI_GENERIC_STATE),
ACPI_MAX_STATE_CACHE_DEPTH, &AcpiGbl_StateCache);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiOsCreateCache ("Acpi-Parse", sizeof (ACPI_PARSE_OBJ_COMMON),
ACPI_MAX_PARSE_CACHE_DEPTH, &AcpiGbl_PsNodeCache);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiOsCreateCache ("Acpi-ParseExt", sizeof (ACPI_PARSE_OBJ_NAMED),
ACPI_MAX_EXTPARSE_CACHE_DEPTH, &AcpiGbl_PsNodeExtCache);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiOsCreateCache ("Acpi-Operand", sizeof (ACPI_OPERAND_OBJECT),
ACPI_MAX_OBJECT_CACHE_DEPTH, &AcpiGbl_OperandCache);
if (ACPI_FAILURE (Status))
{
return (Status);
}
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/* Memory allocation lists */
Status = AcpiUtCreateList ("Acpi-Global", 0,
&AcpiGbl_GlobalList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiUtCreateList ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
&AcpiGbl_NsNodeList);
if (ACPI_FAILURE (Status))
{
return (Status);
}
#endif
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteCaches
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Purge and delete all local caches
*
******************************************************************************/
ACPI_STATUS
AcpiUtDeleteCaches (
void)
{
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
char Buffer[7];
if (AcpiGbl_DisplayFinalMemStats)
{
ACPI_STRCPY (Buffer, "MEMORY");
(void) AcpiDbDisplayStatistics (Buffer);
}
#endif
(void) AcpiOsDeleteCache (AcpiGbl_NamespaceCache);
AcpiGbl_NamespaceCache = NULL;
(void) AcpiOsDeleteCache (AcpiGbl_StateCache);
AcpiGbl_StateCache = NULL;
(void) AcpiOsDeleteCache (AcpiGbl_OperandCache);
AcpiGbl_OperandCache = NULL;
(void) AcpiOsDeleteCache (AcpiGbl_PsNodeCache);
AcpiGbl_PsNodeCache = NULL;
(void) AcpiOsDeleteCache (AcpiGbl_PsNodeExtCache);
AcpiGbl_PsNodeExtCache = NULL;
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/* Debug only - display leftover memory allocation, if any */
AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
/* Free memory lists */
AcpiOsFree (AcpiGbl_GlobalList);
AcpiGbl_GlobalList = NULL;
AcpiOsFree (AcpiGbl_NsNodeList);
AcpiGbl_NsNodeList = NULL;
#endif
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtValidateBuffer
*
* PARAMETERS: Buffer - Buffer descriptor to be validated
*
* RETURN: Status
*
* DESCRIPTION: Perform parameter validation checks on an ACPI_BUFFER
*
******************************************************************************/
ACPI_STATUS
AcpiUtValidateBuffer (
ACPI_BUFFER *Buffer)
{
/* Obviously, the structure pointer must be valid */
if (!Buffer)
{
return (AE_BAD_PARAMETER);
}
/* Special semantics for the length */
if ((Buffer->Length == ACPI_NO_BUFFER) ||
(Buffer->Length == ACPI_ALLOCATE_BUFFER) ||
(Buffer->Length == ACPI_ALLOCATE_LOCAL_BUFFER))
{
return (AE_OK);
}
/* Length is valid, the buffer pointer must be also */
if (!Buffer->Pointer)
{
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtInitializeBuffer
*
* PARAMETERS: Buffer - Buffer to be validated
* RequiredLength - Length needed
*
* RETURN: Status
*
* DESCRIPTION: Validate that the buffer is of the required length or
* allocate a new buffer. Returned buffer is always zeroed.
*
******************************************************************************/
ACPI_STATUS
AcpiUtInitializeBuffer (
ACPI_BUFFER *Buffer,
ACPI_SIZE RequiredLength)
{
ACPI_SIZE InputBufferLength;
/* Parameter validation */
if (!Buffer || !RequiredLength)
{
return (AE_BAD_PARAMETER);
}
/*
* Buffer->Length is used as both an input and output parameter. Get the
* input actual length and set the output required buffer length.
*/
InputBufferLength = Buffer->Length;
Buffer->Length = RequiredLength;
/*
* The input buffer length contains the actual buffer length, or the type
* of buffer to be allocated by this routine.
*/
switch (InputBufferLength)
{
case ACPI_NO_BUFFER:
/* Return the exception (and the required buffer length) */
return (AE_BUFFER_OVERFLOW);
case ACPI_ALLOCATE_BUFFER:
/* Allocate a new buffer */
Buffer->Pointer = AcpiOsAllocate (RequiredLength);
break;
case ACPI_ALLOCATE_LOCAL_BUFFER:
/* Allocate a new buffer with local interface to allow tracking */
Buffer->Pointer = ACPI_ALLOCATE (RequiredLength);
break;
default:
/* Existing buffer: Validate the size of the buffer */
if (InputBufferLength < RequiredLength)
{
return (AE_BUFFER_OVERFLOW);
}
break;
}
/* Validate allocation from above or input buffer pointer */
if (!Buffer->Pointer)
{
return (AE_NO_MEMORY);
}
/* Have a valid buffer, clear it */
ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAllocate
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: Subsystem equivalent of malloc.
*
******************************************************************************/
void *
AcpiUtAllocate (
ACPI_SIZE Size,
UINT32 Component,
const char *Module,
UINT32 Line)
{
void *Allocation;
ACPI_FUNCTION_TRACE_U32 (UtAllocate, Size);
/* Check for an inadvertent size of zero bytes */
if (!Size)
{
ACPI_WARNING ((Module, Line,
"Attempt to allocate zero bytes, allocating 1 byte"));
Size = 1;
}
Allocation = AcpiOsAllocate (Size);
if (!Allocation)
{
/* Report allocation error */
ACPI_WARNING ((Module, Line,
"Could not allocate size %u", (UINT32) Size));
return_PTR (NULL);
}
return_PTR (Allocation);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAllocateZeroed
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
*
******************************************************************************/
void *
AcpiUtAllocateZeroed (
ACPI_SIZE Size,
UINT32 Component,
const char *Module,
UINT32 Line)
{
void *Allocation;
ACPI_FUNCTION_ENTRY ();
Allocation = AcpiUtAllocate (Size, Component, Module, Line);
if (Allocation)
{
/* Clear the memory block */
ACPI_MEMSET (Allocation, 0, Size);
}
return (Allocation);
}

/drivers/devman/acpica/utilities/utcache.c
0,0 → 1,433
/******************************************************************************
*
* Module Name: utcache - local cache allocation routines
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTCACHE_C__
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utcache")
#ifdef ACPI_USE_LOCAL_CACHE
/*******************************************************************************
*
* FUNCTION: AcpiOsCreateCache
*
* PARAMETERS: CacheName - Ascii name for the cache
* ObjectSize - Size of each cached object
* MaxDepth - Maximum depth of the cache (in objects)
* ReturnCache - Where the new cache object is returned
*
* RETURN: Status
*
* DESCRIPTION: Create a cache object
*
******************************************************************************/
ACPI_STATUS
AcpiOsCreateCache (
char *CacheName,
UINT16 ObjectSize,
UINT16 MaxDepth,
ACPI_MEMORY_LIST **ReturnCache)
{
ACPI_MEMORY_LIST *Cache;
ACPI_FUNCTION_ENTRY ();
if (!CacheName || !ReturnCache || (ObjectSize < 16))
{
return (AE_BAD_PARAMETER);
}
/* Create the cache object */
Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
if (!Cache)
{
return (AE_NO_MEMORY);
}
/* Populate the cache object and return it */
ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));
Cache->LinkOffset = 8;
Cache->ListName = CacheName;
Cache->ObjectSize = ObjectSize;
Cache->MaxDepth = MaxDepth;
*ReturnCache = Cache;
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiOsPurgeCache
*
* PARAMETERS: Cache - Handle to cache object
*
* RETURN: Status
*
* DESCRIPTION: Free all objects within the requested cache.
*
******************************************************************************/
ACPI_STATUS
AcpiOsPurgeCache (
ACPI_MEMORY_LIST *Cache)
{
char *Next;
ACPI_STATUS Status;
ACPI_FUNCTION_ENTRY ();
if (!Cache)
{
return (AE_BAD_PARAMETER);
}
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Walk the list of objects in this cache */
while (Cache->ListHead)
{
/* Delete and unlink one cached state object */
Next = *(ACPI_CAST_INDIRECT_PTR (char,
&(((char *) Cache->ListHead)[Cache->LinkOffset])));
ACPI_FREE (Cache->ListHead);
Cache->ListHead = Next;
Cache->CurrentDepth--;
}
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiOsDeleteCache
*
* PARAMETERS: Cache - Handle to cache object
*
* RETURN: Status
*
* DESCRIPTION: Free all objects within the requested cache and delete the
* cache object.
*
******************************************************************************/
ACPI_STATUS
AcpiOsDeleteCache (
ACPI_MEMORY_LIST *Cache)
{
ACPI_STATUS Status;
ACPI_FUNCTION_ENTRY ();
/* Purge all objects in the cache */
Status = AcpiOsPurgeCache (Cache);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Now we can delete the cache object */
AcpiOsFree (Cache);
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiOsReleaseObject
*
* PARAMETERS: Cache - Handle to cache object
* Object - The object to be released
*
* RETURN: None
*
* DESCRIPTION: Release an object to the specified cache. If cache is full,
* the object is deleted.
*
******************************************************************************/
ACPI_STATUS
AcpiOsReleaseObject (
ACPI_MEMORY_LIST *Cache,
void *Object)
{
ACPI_STATUS Status;
ACPI_FUNCTION_ENTRY ();
if (!Cache || !Object)
{
return (AE_BAD_PARAMETER);
}
/* If cache is full, just free this object */
if (Cache->CurrentDepth >= Cache->MaxDepth)
{
ACPI_FREE (Object);
ACPI_MEM_TRACKING (Cache->TotalFreed++);
}
/* Otherwise put this object back into the cache */
else
{
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Mark the object as cached */
ACPI_MEMSET (Object, 0xCA, Cache->ObjectSize);
ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_CACHED);
/* Put the object at the head of the cache list */
* (ACPI_CAST_INDIRECT_PTR (char,
&(((char *) Object)[Cache->LinkOffset]))) = Cache->ListHead;
Cache->ListHead = Object;
Cache->CurrentDepth++;
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiOsAcquireObject
*
* PARAMETERS: Cache - Handle to cache object
*
* RETURN: the acquired object. NULL on error
*
* DESCRIPTION: Get an object from the specified cache. If cache is empty,
* the object is allocated.
*
******************************************************************************/
void *
AcpiOsAcquireObject (
ACPI_MEMORY_LIST *Cache)
{
ACPI_STATUS Status;
void *Object;
ACPI_FUNCTION_NAME (OsAcquireObject);
if (!Cache)
{
return (NULL);
}
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return (NULL);
}
ACPI_MEM_TRACKING (Cache->Requests++);
/* Check the cache first */
if (Cache->ListHead)
{
/* There is an object available, use it */
Object = Cache->ListHead;
Cache->ListHead = *(ACPI_CAST_INDIRECT_PTR (char,
&(((char *) Object)[Cache->LinkOffset])));
Cache->CurrentDepth--;
ACPI_MEM_TRACKING (Cache->Hits++);
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Object %p from %s cache\n", Object, Cache->ListName));
Status = AcpiUtReleaseMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return (NULL);
}
/* Clear (zero) the previously used Object */
ACPI_MEMSET (Object, 0, Cache->ObjectSize);
}
else
{
/* The cache is empty, create a new object */
ACPI_MEM_TRACKING (Cache->TotalAllocated++);
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
if ((Cache->TotalAllocated - Cache->TotalFreed) > Cache->MaxOccupied)
{
Cache->MaxOccupied = Cache->TotalAllocated - Cache->TotalFreed;
}
#endif
/* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
Status = AcpiUtReleaseMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return (NULL);
}
Object = ACPI_ALLOCATE_ZEROED (Cache->ObjectSize);
if (!Object)
{
return (NULL);
}
}
return (Object);
}
#endif /* ACPI_USE_LOCAL_CACHE */

/drivers/devman/acpica/utilities/utclib.c
0,0 → 1,961
/******************************************************************************
*
* Module Name: cmclib - Local implementation of C library functions
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __CMCLIB_C__
#include "acpi.h"
#include "accommon.h"
/*
* These implementations of standard C Library routines can optionally be
* used if a C library is not available. In general, they are less efficient
* than an inline or assembly implementation
*/
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("cmclib")
#ifndef ACPI_USE_SYSTEM_CLIBRARY
#define NEGATIVE 1
#define POSITIVE 0
/*******************************************************************************
*
* FUNCTION: AcpiUtMemcmp (memcmp)
*
* PARAMETERS: Buffer1 - First Buffer
* Buffer2 - Second Buffer
* Count - Maximum # of bytes to compare
*
* RETURN: Index where Buffers mismatched, or 0 if Buffers matched
*
* DESCRIPTION: Compare two Buffers, with a maximum length
*
******************************************************************************/
int
AcpiUtMemcmp (
const char *Buffer1,
const char *Buffer2,
ACPI_SIZE Count)
{
for ( ; Count-- && (*Buffer1 == *Buffer2); Buffer1++, Buffer2++)
{
}
return ((Count == ACPI_SIZE_MAX) ? 0 : ((unsigned char) *Buffer1 -
(unsigned char) *Buffer2));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtMemcpy (memcpy)
*
* PARAMETERS: Dest - Target of the copy
* Src - Source buffer to copy
* Count - Number of bytes to copy
*
* RETURN: Dest
*
* DESCRIPTION: Copy arbitrary bytes of memory
*
******************************************************************************/
void *
AcpiUtMemcpy (
void *Dest,
const void *Src,
ACPI_SIZE Count)
{
char *New = (char *) Dest;
char *Old = (char *) Src;
while (Count)
{
*New = *Old;
New++;
Old++;
Count--;
}
return (Dest);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtMemset (memset)
*
* PARAMETERS: Dest - Buffer to set
* Value - Value to set each byte of memory
* Count - Number of bytes to set
*
* RETURN: Dest
*
* DESCRIPTION: Initialize a buffer to a known value.
*
******************************************************************************/
void *
AcpiUtMemset (
void *Dest,
UINT8 Value,
ACPI_SIZE Count)
{
char *New = (char *) Dest;
while (Count)
{
*New = (char) Value;
New++;
Count--;
}
return (Dest);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrlen (strlen)
*
* PARAMETERS: String - Null terminated string
*
* RETURN: Length
*
* DESCRIPTION: Returns the length of the input string
*
******************************************************************************/
ACPI_SIZE
AcpiUtStrlen (
const char *String)
{
UINT32 Length = 0;
/* Count the string until a null is encountered */
while (*String)
{
Length++;
String++;
}
return (Length);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrcpy (strcpy)
*
* PARAMETERS: DstString - Target of the copy
* SrcString - The source string to copy
*
* RETURN: DstString
*
* DESCRIPTION: Copy a null terminated string
*
******************************************************************************/
char *
AcpiUtStrcpy (
char *DstString,
const char *SrcString)
{
char *String = DstString;
/* Move bytes brute force */
while (*SrcString)
{
*String = *SrcString;
String++;
SrcString++;
}
/* Null terminate */
*String = 0;
return (DstString);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrncpy (strncpy)
*
* PARAMETERS: DstString - Target of the copy
* SrcString - The source string to copy
* Count - Maximum # of bytes to copy
*
* RETURN: DstString
*
* DESCRIPTION: Copy a null terminated string, with a maximum length
*
******************************************************************************/
char *
AcpiUtStrncpy (
char *DstString,
const char *SrcString,
ACPI_SIZE Count)
{
char *String = DstString;
/* Copy the string */
for (String = DstString;
Count && (Count--, (*String++ = *SrcString++)); )
{;}
/* Pad with nulls if necessary */
while (Count--)
{
*String = 0;
String++;
}
/* Return original pointer */
return (DstString);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrcmp (strcmp)
*
* PARAMETERS: String1 - First string
* String2 - Second string
*
* RETURN: Index where strings mismatched, or 0 if strings matched
*
* DESCRIPTION: Compare two null terminated strings
*
******************************************************************************/
int
AcpiUtStrcmp (
const char *String1,
const char *String2)
{
for ( ; (*String1 == *String2); String2++)
{
if (!*String1++)
{
return (0);
}
}
return ((unsigned char) *String1 - (unsigned char) *String2);
}
#ifdef ACPI_FUTURE_IMPLEMENTATION
/* Not used at this time */
/*******************************************************************************
*
* FUNCTION: AcpiUtStrchr (strchr)
*
* PARAMETERS: String - Search string
* ch - character to search for
*
* RETURN: Ptr to char or NULL if not found
*
* DESCRIPTION: Search a string for a character
*
******************************************************************************/
char *
AcpiUtStrchr (
const char *String,
int ch)
{
for ( ; (*String); String++)
{
if ((*String) == (char) ch)
{
return ((char *) String);
}
}
return (NULL);
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiUtStrncmp (strncmp)
*
* PARAMETERS: String1 - First string
* String2 - Second string
* Count - Maximum # of bytes to compare
*
* RETURN: Index where strings mismatched, or 0 if strings matched
*
* DESCRIPTION: Compare two null terminated strings, with a maximum length
*
******************************************************************************/
int
AcpiUtStrncmp (
const char *String1,
const char *String2,
ACPI_SIZE Count)
{
for ( ; Count-- && (*String1 == *String2); String2++)
{
if (!*String1++)
{
return (0);
}
}
return ((Count == ACPI_SIZE_MAX) ? 0 : ((unsigned char) *String1 -
(unsigned char) *String2));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrcat (Strcat)
*
* PARAMETERS: DstString - Target of the copy
* SrcString - The source string to copy
*
* RETURN: DstString
*
* DESCRIPTION: Append a null terminated string to a null terminated string
*
******************************************************************************/
char *
AcpiUtStrcat (
char *DstString,
const char *SrcString)
{
char *String;
/* Find end of the destination string */
for (String = DstString; *String++; )
{ ; }
/* Concatenate the string */
for (--String; (*String++ = *SrcString++); )
{ ; }
return (DstString);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrncat (strncat)
*
* PARAMETERS: DstString - Target of the copy
* SrcString - The source string to copy
* Count - Maximum # of bytes to copy
*
* RETURN: DstString
*
* DESCRIPTION: Append a null terminated string to a null terminated string,
* with a maximum count.
*
******************************************************************************/
char *
AcpiUtStrncat (
char *DstString,
const char *SrcString,
ACPI_SIZE Count)
{
char *String;
if (Count)
{
/* Find end of the destination string */
for (String = DstString; *String++; )
{ ; }
/* Concatenate the string */
for (--String; (*String++ = *SrcString++) && --Count; )
{ ; }
/* Null terminate if necessary */
if (!Count)
{
*String = 0;
}
}
return (DstString);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrstr (strstr)
*
* PARAMETERS: String1 - Target string
* String2 - Substring to search for
*
* RETURN: Where substring match starts, Null if no match found
*
* DESCRIPTION: Checks if String2 occurs in String1. This is not really a
* full implementation of strstr, only sufficient for command
* matching
*
******************************************************************************/
char *
AcpiUtStrstr (
char *String1,
char *String2)
{
char *String;
if (AcpiUtStrlen (String2) > AcpiUtStrlen (String1))
{
return (NULL);
}
/* Walk entire string, comparing the letters */
for (String = String1; *String2; )
{
if (*String2 != *String)
{
return (NULL);
}
String2++;
String++;
}
return (String1);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrtoul (strtoul)
*
* PARAMETERS: String - Null terminated string
* Terminater - Where a pointer to the terminating byte is
* returned
* Base - Radix of the string
*
* RETURN: Converted value
*
* DESCRIPTION: Convert a string into a 32-bit unsigned value.
* Note: use AcpiUtStrtoul64 for 64-bit integers.
*
******************************************************************************/
UINT32
AcpiUtStrtoul (
const char *String,
char **Terminator,
UINT32 Base)
{
UINT32 converted = 0;
UINT32 index;
UINT32 sign;
const char *StringStart;
UINT32 ReturnValue = 0;
ACPI_STATUS Status = AE_OK;
/*
* Save the value of the pointer to the buffer's first
* character, save the current errno value, and then
* skip over any white space in the buffer:
*/
StringStart = String;
while (ACPI_IS_SPACE (*String) || *String == '\t')
{
++String;
}
/*
* The buffer may contain an optional plus or minus sign.
* If it does, then skip over it but remember what is was:
*/
if (*String == '-')
{
sign = NEGATIVE;
++String;
}
else if (*String == '+')
{
++String;
sign = POSITIVE;
}
else
{
sign = POSITIVE;
}
/*
* If the input parameter Base is zero, then we need to
* determine if it is octal, decimal, or hexadecimal:
*/
if (Base == 0)
{
if (*String == '0')
{
if (AcpiUtToLower (*(++String)) == 'x')
{
Base = 16;
++String;
}
else
{
Base = 8;
}
}
else
{
Base = 10;
}
}
else if (Base < 2 || Base > 36)
{
/*
* The specified Base parameter is not in the domain of
* this function:
*/
goto done;
}
/*
* For octal and hexadecimal bases, skip over the leading
* 0 or 0x, if they are present.
*/
if (Base == 8 && *String == '0')
{
String++;
}
if (Base == 16 &&
*String == '0' &&
AcpiUtToLower (*(++String)) == 'x')
{
String++;
}
/*
* Main loop: convert the string to an unsigned long:
*/
while (*String)
{
if (ACPI_IS_DIGIT (*String))
{
index = (UINT32) ((UINT8) *String - '0');
}
else
{
index = (UINT32) AcpiUtToUpper (*String);
if (ACPI_IS_UPPER (index))
{
index = index - 'A' + 10;
}
else
{
goto done;
}
}
if (index >= Base)
{
goto done;
}
/*
* Check to see if value is out of range:
*/
if (ReturnValue > ((ACPI_UINT32_MAX - (UINT32) index) /
(UINT32) Base))
{
Status = AE_ERROR;
ReturnValue = 0; /* reset */
}
else
{
ReturnValue *= Base;
ReturnValue += index;
converted = 1;
}
++String;
}
done:
/*
* If appropriate, update the caller's pointer to the next
* unconverted character in the buffer.
*/
if (Terminator)
{
if (converted == 0 && ReturnValue == 0 && String != NULL)
{
*Terminator = (char *) StringStart;
}
else
{
*Terminator = (char *) String;
}
}
if (Status == AE_ERROR)
{
ReturnValue = ACPI_UINT32_MAX;
}
/*
* If a minus sign was present, then "the conversion is negated":
*/
if (sign == NEGATIVE)
{
ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
}
return (ReturnValue);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtToUpper (TOUPPER)
*
* PARAMETERS: c - Character to convert
*
* RETURN: Converted character as an int
*
* DESCRIPTION: Convert character to uppercase
*
******************************************************************************/
int
AcpiUtToUpper (
int c)
{
return (ACPI_IS_LOWER(c) ? ((c)-0x20) : (c));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtToLower (TOLOWER)
*
* PARAMETERS: c - Character to convert
*
* RETURN: Converted character as an int
*
* DESCRIPTION: Convert character to lowercase
*
******************************************************************************/
int
AcpiUtToLower (
int c)
{
return (ACPI_IS_UPPER(c) ? ((c)+0x20) : (c));
}
/*******************************************************************************
*
* FUNCTION: is* functions
*
* DESCRIPTION: is* functions use the ctype table below
*
******************************************************************************/
const UINT8 _acpi_ctype[257] = {
_ACPI_CN, /* 0x0 0. */
_ACPI_CN, /* 0x1 1. */
_ACPI_CN, /* 0x2 2. */
_ACPI_CN, /* 0x3 3. */
_ACPI_CN, /* 0x4 4. */
_ACPI_CN, /* 0x5 5. */
_ACPI_CN, /* 0x6 6. */
_ACPI_CN, /* 0x7 7. */
_ACPI_CN, /* 0x8 8. */
_ACPI_CN|_ACPI_SP, /* 0x9 9. */
_ACPI_CN|_ACPI_SP, /* 0xA 10. */
_ACPI_CN|_ACPI_SP, /* 0xB 11. */
_ACPI_CN|_ACPI_SP, /* 0xC 12. */
_ACPI_CN|_ACPI_SP, /* 0xD 13. */
_ACPI_CN, /* 0xE 14. */
_ACPI_CN, /* 0xF 15. */
_ACPI_CN, /* 0x10 16. */
_ACPI_CN, /* 0x11 17. */
_ACPI_CN, /* 0x12 18. */
_ACPI_CN, /* 0x13 19. */
_ACPI_CN, /* 0x14 20. */
_ACPI_CN, /* 0x15 21. */
_ACPI_CN, /* 0x16 22. */
_ACPI_CN, /* 0x17 23. */
_ACPI_CN, /* 0x18 24. */
_ACPI_CN, /* 0x19 25. */
_ACPI_CN, /* 0x1A 26. */
_ACPI_CN, /* 0x1B 27. */
_ACPI_CN, /* 0x1C 28. */
_ACPI_CN, /* 0x1D 29. */
_ACPI_CN, /* 0x1E 30. */
_ACPI_CN, /* 0x1F 31. */
_ACPI_XS|_ACPI_SP, /* 0x20 32. ' ' */
_ACPI_PU, /* 0x21 33. '!' */
_ACPI_PU, /* 0x22 34. '"' */
_ACPI_PU, /* 0x23 35. '#' */
_ACPI_PU, /* 0x24 36. '$' */
_ACPI_PU, /* 0x25 37. '%' */
_ACPI_PU, /* 0x26 38. '&' */
_ACPI_PU, /* 0x27 39. ''' */
_ACPI_PU, /* 0x28 40. '(' */
_ACPI_PU, /* 0x29 41. ')' */
_ACPI_PU, /* 0x2A 42. '*' */
_ACPI_PU, /* 0x2B 43. '+' */
_ACPI_PU, /* 0x2C 44. ',' */
_ACPI_PU, /* 0x2D 45. '-' */
_ACPI_PU, /* 0x2E 46. '.' */
_ACPI_PU, /* 0x2F 47. '/' */
_ACPI_XD|_ACPI_DI, /* 0x30 48. '0' */
_ACPI_XD|_ACPI_DI, /* 0x31 49. '1' */
_ACPI_XD|_ACPI_DI, /* 0x32 50. '2' */
_ACPI_XD|_ACPI_DI, /* 0x33 51. '3' */
_ACPI_XD|_ACPI_DI, /* 0x34 52. '4' */
_ACPI_XD|_ACPI_DI, /* 0x35 53. '5' */
_ACPI_XD|_ACPI_DI, /* 0x36 54. '6' */
_ACPI_XD|_ACPI_DI, /* 0x37 55. '7' */
_ACPI_XD|_ACPI_DI, /* 0x38 56. '8' */
_ACPI_XD|_ACPI_DI, /* 0x39 57. '9' */
_ACPI_PU, /* 0x3A 58. ':' */
_ACPI_PU, /* 0x3B 59. ';' */
_ACPI_PU, /* 0x3C 60. '<' */
_ACPI_PU, /* 0x3D 61. '=' */
_ACPI_PU, /* 0x3E 62. '>' */
_ACPI_PU, /* 0x3F 63. '?' */
_ACPI_PU, /* 0x40 64. '@' */
_ACPI_XD|_ACPI_UP, /* 0x41 65. 'A' */
_ACPI_XD|_ACPI_UP, /* 0x42 66. 'B' */
_ACPI_XD|_ACPI_UP, /* 0x43 67. 'C' */
_ACPI_XD|_ACPI_UP, /* 0x44 68. 'D' */
_ACPI_XD|_ACPI_UP, /* 0x45 69. 'E' */
_ACPI_XD|_ACPI_UP, /* 0x46 70. 'F' */
_ACPI_UP, /* 0x47 71. 'G' */
_ACPI_UP, /* 0x48 72. 'H' */
_ACPI_UP, /* 0x49 73. 'I' */
_ACPI_UP, /* 0x4A 74. 'J' */
_ACPI_UP, /* 0x4B 75. 'K' */
_ACPI_UP, /* 0x4C 76. 'L' */
_ACPI_UP, /* 0x4D 77. 'M' */
_ACPI_UP, /* 0x4E 78. 'N' */
_ACPI_UP, /* 0x4F 79. 'O' */
_ACPI_UP, /* 0x50 80. 'P' */
_ACPI_UP, /* 0x51 81. 'Q' */
_ACPI_UP, /* 0x52 82. 'R' */
_ACPI_UP, /* 0x53 83. 'S' */
_ACPI_UP, /* 0x54 84. 'T' */
_ACPI_UP, /* 0x55 85. 'U' */
_ACPI_UP, /* 0x56 86. 'V' */
_ACPI_UP, /* 0x57 87. 'W' */
_ACPI_UP, /* 0x58 88. 'X' */
_ACPI_UP, /* 0x59 89. 'Y' */
_ACPI_UP, /* 0x5A 90. 'Z' */
_ACPI_PU, /* 0x5B 91. '[' */
_ACPI_PU, /* 0x5C 92. '\' */
_ACPI_PU, /* 0x5D 93. ']' */
_ACPI_PU, /* 0x5E 94. '^' */
_ACPI_PU, /* 0x5F 95. '_' */
_ACPI_PU, /* 0x60 96. '`' */
_ACPI_XD|_ACPI_LO, /* 0x61 97. 'a' */
_ACPI_XD|_ACPI_LO, /* 0x62 98. 'b' */
_ACPI_XD|_ACPI_LO, /* 0x63 99. 'c' */
_ACPI_XD|_ACPI_LO, /* 0x64 100. 'd' */
_ACPI_XD|_ACPI_LO, /* 0x65 101. 'e' */
_ACPI_XD|_ACPI_LO, /* 0x66 102. 'f' */
_ACPI_LO, /* 0x67 103. 'g' */
_ACPI_LO, /* 0x68 104. 'h' */
_ACPI_LO, /* 0x69 105. 'i' */
_ACPI_LO, /* 0x6A 106. 'j' */
_ACPI_LO, /* 0x6B 107. 'k' */
_ACPI_LO, /* 0x6C 108. 'l' */
_ACPI_LO, /* 0x6D 109. 'm' */
_ACPI_LO, /* 0x6E 110. 'n' */
_ACPI_LO, /* 0x6F 111. 'o' */
_ACPI_LO, /* 0x70 112. 'p' */
_ACPI_LO, /* 0x71 113. 'q' */
_ACPI_LO, /* 0x72 114. 'r' */
_ACPI_LO, /* 0x73 115. 's' */
_ACPI_LO, /* 0x74 116. 't' */
_ACPI_LO, /* 0x75 117. 'u' */
_ACPI_LO, /* 0x76 118. 'v' */
_ACPI_LO, /* 0x77 119. 'w' */
_ACPI_LO, /* 0x78 120. 'x' */
_ACPI_LO, /* 0x79 121. 'y' */
_ACPI_LO, /* 0x7A 122. 'z' */
_ACPI_PU, /* 0x7B 123. '{' */
_ACPI_PU, /* 0x7C 124. '|' */
_ACPI_PU, /* 0x7D 125. '}' */
_ACPI_PU, /* 0x7E 126. '~' */
_ACPI_CN, /* 0x7F 127. */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x80 to 0x8F */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x90 to 0x9F */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xA0 to 0xAF */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xB0 to 0xBF */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xC0 to 0xCF */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xD0 to 0xDF */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xE0 to 0xEF */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 /* 0xF0 to 0x100 */
};
#endif /* ACPI_USE_SYSTEM_CLIBRARY */

/drivers/devman/acpica/utilities/utcopy.c
0,0 → 1,1150
/******************************************************************************
*
* Module Name: utcopy - Internal to external object translation utilities
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTCOPY_C__
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utcopy")
/* Local prototypes */
static ACPI_STATUS
AcpiUtCopyIsimpleToEsimple (
ACPI_OPERAND_OBJECT *InternalObject,
ACPI_OBJECT *ExternalObject,
UINT8 *DataSpace,
ACPI_SIZE *BufferSpaceUsed);
static ACPI_STATUS
AcpiUtCopyIelementToIelement (
UINT8 ObjectType,
ACPI_OPERAND_OBJECT *SourceObject,
ACPI_GENERIC_STATE *State,
void *Context);
static ACPI_STATUS
AcpiUtCopyIpackageToEpackage (
ACPI_OPERAND_OBJECT *InternalObject,
UINT8 *Buffer,
ACPI_SIZE *SpaceUsed);
static ACPI_STATUS
AcpiUtCopyEsimpleToIsimple(
ACPI_OBJECT *UserObj,
ACPI_OPERAND_OBJECT **ReturnObj);
static ACPI_STATUS
AcpiUtCopyEpackageToIpackage (
ACPI_OBJECT *ExternalObject,
ACPI_OPERAND_OBJECT **InternalObject);
static ACPI_STATUS
AcpiUtCopySimpleObject (
ACPI_OPERAND_OBJECT *SourceDesc,
ACPI_OPERAND_OBJECT *DestDesc);
static ACPI_STATUS
AcpiUtCopyIelementToEelement (
UINT8 ObjectType,
ACPI_OPERAND_OBJECT *SourceObject,
ACPI_GENERIC_STATE *State,
void *Context);
static ACPI_STATUS
AcpiUtCopyIpackageToIpackage (
ACPI_OPERAND_OBJECT *SourceObj,
ACPI_OPERAND_OBJECT *DestObj,
ACPI_WALK_STATE *WalkState);
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIsimpleToEsimple
*
* PARAMETERS: InternalObject - Source object to be copied
* ExternalObject - Where to return the copied object
* DataSpace - Where object data is returned (such as
* buffer and string data)
* BufferSpaceUsed - Length of DataSpace that was used
*
* RETURN: Status
*
* DESCRIPTION: This function is called to copy a simple internal object to
* an external object.
*
* The DataSpace buffer is assumed to have sufficient space for
* the object.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyIsimpleToEsimple (
ACPI_OPERAND_OBJECT *InternalObject,
ACPI_OBJECT *ExternalObject,
UINT8 *DataSpace,
ACPI_SIZE *BufferSpaceUsed)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (UtCopyIsimpleToEsimple);
*BufferSpaceUsed = 0;
/*
* Check for NULL object case (could be an uninitialized
* package element)
*/
if (!InternalObject)
{
return_ACPI_STATUS (AE_OK);
}
/* Always clear the external object */
ACPI_MEMSET (ExternalObject, 0, sizeof (ACPI_OBJECT));
/*
* In general, the external object will be the same type as
* the internal object
*/
ExternalObject->Type = InternalObject->Common.Type;
/* However, only a limited number of external types are supported */
switch (InternalObject->Common.Type)
{
case ACPI_TYPE_STRING:
ExternalObject->String.Pointer = (char *) DataSpace;
ExternalObject->String.Length = InternalObject->String.Length;
*BufferSpaceUsed = ACPI_ROUND_UP_TO_NATIVE_WORD (
(ACPI_SIZE) InternalObject->String.Length + 1);
ACPI_MEMCPY ((void *) DataSpace,
(void *) InternalObject->String.Pointer,
(ACPI_SIZE) InternalObject->String.Length + 1);
break;
case ACPI_TYPE_BUFFER:
ExternalObject->Buffer.Pointer = DataSpace;
ExternalObject->Buffer.Length = InternalObject->Buffer.Length;
*BufferSpaceUsed = ACPI_ROUND_UP_TO_NATIVE_WORD (
InternalObject->String.Length);
ACPI_MEMCPY ((void *) DataSpace,
(void *) InternalObject->Buffer.Pointer,
InternalObject->Buffer.Length);
break;
case ACPI_TYPE_INTEGER:
ExternalObject->Integer.Value = InternalObject->Integer.Value;
break;
case ACPI_TYPE_LOCAL_REFERENCE:
/* This is an object reference. */
switch (InternalObject->Reference.Class)
{
case ACPI_REFCLASS_NAME:
/*
* For namepath, return the object handle ("reference")
* We are referring to the namespace node
*/
ExternalObject->Reference.Handle =
InternalObject->Reference.Node;
ExternalObject->Reference.ActualType =
AcpiNsGetType (InternalObject->Reference.Node);
break;
default:
/* All other reference types are unsupported */
return_ACPI_STATUS (AE_TYPE);
}
break;
case ACPI_TYPE_PROCESSOR:
ExternalObject->Processor.ProcId =
InternalObject->Processor.ProcId;
ExternalObject->Processor.PblkAddress =
InternalObject->Processor.Address;
ExternalObject->Processor.PblkLength =
InternalObject->Processor.Length;
break;
case ACPI_TYPE_POWER:
ExternalObject->PowerResource.SystemLevel =
InternalObject->PowerResource.SystemLevel;
ExternalObject->PowerResource.ResourceOrder =
InternalObject->PowerResource.ResourceOrder;
break;
default:
/*
* There is no corresponding external object type
*/
ACPI_ERROR ((AE_INFO,
"Unsupported object type, cannot convert to external object: %s",
AcpiUtGetTypeName (InternalObject->Common.Type)));
return_ACPI_STATUS (AE_SUPPORT);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIelementToEelement
*
* PARAMETERS: ACPI_PKG_CALLBACK
*
* RETURN: Status
*
* DESCRIPTION: Copy one package element to another package element
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyIelementToEelement (
UINT8 ObjectType,
ACPI_OPERAND_OBJECT *SourceObject,
ACPI_GENERIC_STATE *State,
void *Context)
{
ACPI_STATUS Status = AE_OK;
ACPI_PKG_INFO *Info = (ACPI_PKG_INFO *) Context;
ACPI_SIZE ObjectSpace;
UINT32 ThisIndex;
ACPI_OBJECT *TargetObject;
ACPI_FUNCTION_ENTRY ();
ThisIndex = State->Pkg.Index;
TargetObject = (ACPI_OBJECT *)
&((ACPI_OBJECT *)(State->Pkg.DestObject))->Package.Elements[ThisIndex];
switch (ObjectType)
{
case ACPI_COPY_TYPE_SIMPLE:
/*
* This is a simple or null object
*/
Status = AcpiUtCopyIsimpleToEsimple (SourceObject,
TargetObject, Info->FreeSpace, &ObjectSpace);
if (ACPI_FAILURE (Status))
{
return (Status);
}
break;
case ACPI_COPY_TYPE_PACKAGE:
/*
* Build the package object
*/
TargetObject->Type = ACPI_TYPE_PACKAGE;
TargetObject->Package.Count = SourceObject->Package.Count;
TargetObject->Package.Elements =
ACPI_CAST_PTR (ACPI_OBJECT, Info->FreeSpace);
/*
* Pass the new package object back to the package walk routine
*/
State->Pkg.ThisTargetObj = TargetObject;
/*
* Save space for the array of objects (Package elements)
* update the buffer length counter
*/
ObjectSpace = ACPI_ROUND_UP_TO_NATIVE_WORD (
(ACPI_SIZE) TargetObject->Package.Count *
sizeof (ACPI_OBJECT));
break;
default:
return (AE_BAD_PARAMETER);
}
Info->FreeSpace += ObjectSpace;
Info->Length += ObjectSpace;
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIpackageToEpackage
*
* PARAMETERS: InternalObject - Pointer to the object we are returning
* Buffer - Where the object is returned
* SpaceUsed - Where the object length is returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to place a package object in a user
* buffer. A package object by definition contains other objects.
*
* The buffer is assumed to have sufficient space for the object.
* The caller must have verified the buffer length needed using
* the AcpiUtGetObjectSize function before calling this function.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyIpackageToEpackage (
ACPI_OPERAND_OBJECT *InternalObject,
UINT8 *Buffer,
ACPI_SIZE *SpaceUsed)
{
ACPI_OBJECT *ExternalObject;
ACPI_STATUS Status;
ACPI_PKG_INFO Info;
ACPI_FUNCTION_TRACE (UtCopyIpackageToEpackage);
/*
* First package at head of the buffer
*/
ExternalObject = ACPI_CAST_PTR (ACPI_OBJECT, Buffer);
/*
* Free space begins right after the first package
*/
Info.Length = ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
Info.FreeSpace = Buffer + ACPI_ROUND_UP_TO_NATIVE_WORD (
sizeof (ACPI_OBJECT));
Info.ObjectSpace = 0;
Info.NumPackages = 1;
ExternalObject->Type = InternalObject->Common.Type;
ExternalObject->Package.Count = InternalObject->Package.Count;
ExternalObject->Package.Elements = ACPI_CAST_PTR (ACPI_OBJECT,
Info.FreeSpace);
/*
* Leave room for an array of ACPI_OBJECTS in the buffer
* and move the free space past it
*/
Info.Length += (ACPI_SIZE) ExternalObject->Package.Count *
ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
Info.FreeSpace += ExternalObject->Package.Count *
ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT));
Status = AcpiUtWalkPackageTree (InternalObject, ExternalObject,
AcpiUtCopyIelementToEelement, &Info);
*SpaceUsed = Info.Length;
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIobjectToEobject
*
* PARAMETERS: InternalObject - The internal object to be converted
* RetBuffer - Where the object is returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to build an API object to be returned
* to the caller.
*
******************************************************************************/
ACPI_STATUS
AcpiUtCopyIobjectToEobject (
ACPI_OPERAND_OBJECT *InternalObject,
ACPI_BUFFER *RetBuffer)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtCopyIobjectToEobject);
if (InternalObject->Common.Type == ACPI_TYPE_PACKAGE)
{
/*
* Package object: Copy all subobjects (including
* nested packages)
*/
Status = AcpiUtCopyIpackageToEpackage (InternalObject,
RetBuffer->Pointer, &RetBuffer->Length);
}
else
{
/*
* Build a simple object (no nested objects)
*/
Status = AcpiUtCopyIsimpleToEsimple (InternalObject,
ACPI_CAST_PTR (ACPI_OBJECT, RetBuffer->Pointer),
ACPI_ADD_PTR (UINT8, RetBuffer->Pointer,
ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT))),
&RetBuffer->Length);
/*
* build simple does not include the object size in the length
* so we add it in here
*/
RetBuffer->Length += sizeof (ACPI_OBJECT);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyEsimpleToIsimple
*
* PARAMETERS: ExternalObject - The external object to be converted
* RetInternalObject - Where the internal object is returned
*
* RETURN: Status
*
* DESCRIPTION: This function copies an external object to an internal one.
* NOTE: Pointers can be copied, we don't need to copy data.
* (The pointers have to be valid in our address space no matter
* what we do with them!)
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyEsimpleToIsimple (
ACPI_OBJECT *ExternalObject,
ACPI_OPERAND_OBJECT **RetInternalObject)
{
ACPI_OPERAND_OBJECT *InternalObject;
ACPI_FUNCTION_TRACE (UtCopyEsimpleToIsimple);
/*
* Simple types supported are: String, Buffer, Integer
*/
switch (ExternalObject->Type)
{
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_LOCAL_REFERENCE:
InternalObject = AcpiUtCreateInternalObject (
(UINT8) ExternalObject->Type);
if (!InternalObject)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
break;
case ACPI_TYPE_ANY: /* This is the case for a NULL object */
*RetInternalObject = NULL;
return_ACPI_STATUS (AE_OK);
default:
/* All other types are not supported */
ACPI_ERROR ((AE_INFO,
"Unsupported object type, cannot convert to internal object: %s",
AcpiUtGetTypeName (ExternalObject->Type)));
return_ACPI_STATUS (AE_SUPPORT);
}
/* Must COPY string and buffer contents */
switch (ExternalObject->Type)
{
case ACPI_TYPE_STRING:
InternalObject->String.Pointer =
ACPI_ALLOCATE_ZEROED ((ACPI_SIZE)
ExternalObject->String.Length + 1);
if (!InternalObject->String.Pointer)
{
goto ErrorExit;
}
ACPI_MEMCPY (InternalObject->String.Pointer,
ExternalObject->String.Pointer,
ExternalObject->String.Length);
InternalObject->String.Length = ExternalObject->String.Length;
break;
case ACPI_TYPE_BUFFER:
InternalObject->Buffer.Pointer =
ACPI_ALLOCATE_ZEROED (ExternalObject->Buffer.Length);
if (!InternalObject->Buffer.Pointer)
{
goto ErrorExit;
}
ACPI_MEMCPY (InternalObject->Buffer.Pointer,
ExternalObject->Buffer.Pointer,
ExternalObject->Buffer.Length);
InternalObject->Buffer.Length = ExternalObject->Buffer.Length;
/* Mark buffer data valid */
InternalObject->Buffer.Flags |= AOPOBJ_DATA_VALID;
break;
case ACPI_TYPE_INTEGER:
InternalObject->Integer.Value = ExternalObject->Integer.Value;
break;
case ACPI_TYPE_LOCAL_REFERENCE:
/* TBD: should validate incoming handle */
InternalObject->Reference.Class = ACPI_REFCLASS_NAME;
InternalObject->Reference.Node = ExternalObject->Reference.Handle;
break;
default:
/* Other types can't get here */
break;
}
*RetInternalObject = InternalObject;
return_ACPI_STATUS (AE_OK);
ErrorExit:
AcpiUtRemoveReference (InternalObject);
return_ACPI_STATUS (AE_NO_MEMORY);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyEpackageToIpackage
*
* PARAMETERS: ExternalObject - The external object to be converted
* InternalObject - Where the internal object is returned
*
* RETURN: Status
*
* DESCRIPTION: Copy an external package object to an internal package.
* Handles nested packages.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyEpackageToIpackage (
ACPI_OBJECT *ExternalObject,
ACPI_OPERAND_OBJECT **InternalObject)
{
ACPI_STATUS Status = AE_OK;
ACPI_OPERAND_OBJECT *PackageObject;
ACPI_OPERAND_OBJECT **PackageElements;
UINT32 i;
ACPI_FUNCTION_TRACE (UtCopyEpackageToIpackage);
/* Create the package object */
PackageObject = AcpiUtCreatePackageObject (ExternalObject->Package.Count);
if (!PackageObject)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
PackageElements = PackageObject->Package.Elements;
/*
* Recursive implementation. Probably ok, since nested external packages
* as parameters should be very rare.
*/
for (i = 0; i < ExternalObject->Package.Count; i++)
{
Status = AcpiUtCopyEobjectToIobject (
&ExternalObject->Package.Elements[i],
&PackageElements[i]);
if (ACPI_FAILURE (Status))
{
/* Truncate package and delete it */
PackageObject->Package.Count = i;
PackageElements[i] = NULL;
AcpiUtRemoveReference (PackageObject);
return_ACPI_STATUS (Status);
}
}
/* Mark package data valid */
PackageObject->Package.Flags |= AOPOBJ_DATA_VALID;
*InternalObject = PackageObject;
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyEobjectToIobject
*
* PARAMETERS: ExternalObject - The external object to be converted
* InternalObject - Where the internal object is returned
*
* RETURN: Status
*
* DESCRIPTION: Converts an external object to an internal object.
*
******************************************************************************/
ACPI_STATUS
AcpiUtCopyEobjectToIobject (
ACPI_OBJECT *ExternalObject,
ACPI_OPERAND_OBJECT **InternalObject)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtCopyEobjectToIobject);
if (ExternalObject->Type == ACPI_TYPE_PACKAGE)
{
Status = AcpiUtCopyEpackageToIpackage (ExternalObject, InternalObject);
}
else
{
/*
* Build a simple object (no nested objects)
*/
Status = AcpiUtCopyEsimpleToIsimple (ExternalObject, InternalObject);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopySimpleObject
*
* PARAMETERS: SourceDesc - The internal object to be copied
* DestDesc - New target object
*
* RETURN: Status
*
* DESCRIPTION: Simple copy of one internal object to another. Reference count
* of the destination object is preserved.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopySimpleObject (
ACPI_OPERAND_OBJECT *SourceDesc,
ACPI_OPERAND_OBJECT *DestDesc)
{
UINT16 ReferenceCount;
ACPI_OPERAND_OBJECT *NextObject;
ACPI_STATUS Status;
ACPI_SIZE CopySize;
/* Save fields from destination that we don't want to overwrite */
ReferenceCount = DestDesc->Common.ReferenceCount;
NextObject = DestDesc->Common.NextObject;
/*
* Copy the entire source object over the destination object.
* Note: Source can be either an operand object or namespace node.
*/
CopySize = sizeof (ACPI_OPERAND_OBJECT);
if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_NAMED)
{
CopySize = sizeof (ACPI_NAMESPACE_NODE);
}
ACPI_MEMCPY (ACPI_CAST_PTR (char, DestDesc),
ACPI_CAST_PTR (char, SourceDesc), CopySize);
/* Restore the saved fields */
DestDesc->Common.ReferenceCount = ReferenceCount;
DestDesc->Common.NextObject = NextObject;
/* New object is not static, regardless of source */
DestDesc->Common.Flags &= ~AOPOBJ_STATIC_POINTER;
/* Handle the objects with extra data */
switch (DestDesc->Common.Type)
{
case ACPI_TYPE_BUFFER:
/*
* Allocate and copy the actual buffer if and only if:
* 1) There is a valid buffer pointer
* 2) The buffer has a length > 0
*/
if ((SourceDesc->Buffer.Pointer) &&
(SourceDesc->Buffer.Length))
{
DestDesc->Buffer.Pointer =
ACPI_ALLOCATE (SourceDesc->Buffer.Length);
if (!DestDesc->Buffer.Pointer)
{
return (AE_NO_MEMORY);
}
/* Copy the actual buffer data */
ACPI_MEMCPY (DestDesc->Buffer.Pointer,
SourceDesc->Buffer.Pointer, SourceDesc->Buffer.Length);
}
break;
case ACPI_TYPE_STRING:
/*
* Allocate and copy the actual string if and only if:
* 1) There is a valid string pointer
* (Pointer to a NULL string is allowed)
*/
if (SourceDesc->String.Pointer)
{
DestDesc->String.Pointer =
ACPI_ALLOCATE ((ACPI_SIZE) SourceDesc->String.Length + 1);
if (!DestDesc->String.Pointer)
{
return (AE_NO_MEMORY);
}
/* Copy the actual string data */
ACPI_MEMCPY (DestDesc->String.Pointer, SourceDesc->String.Pointer,
(ACPI_SIZE) SourceDesc->String.Length + 1);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
/*
* We copied the reference object, so we now must add a reference
* to the object pointed to by the reference
*
* DDBHandle reference (from Load/LoadTable) is a special reference,
* it does not have a Reference.Object, so does not need to
* increase the reference count
*/
if (SourceDesc->Reference.Class == ACPI_REFCLASS_TABLE)
{
break;
}
AcpiUtAddReference (SourceDesc->Reference.Object);
break;
case ACPI_TYPE_REGION:
/*
* We copied the Region Handler, so we now must add a reference
*/
if (DestDesc->Region.Handler)
{
AcpiUtAddReference (DestDesc->Region.Handler);
}
break;
/*
* For Mutex and Event objects, we cannot simply copy the underlying
* OS object. We must create a new one.
*/
case ACPI_TYPE_MUTEX:
Status = AcpiOsCreateMutex (&DestDesc->Mutex.OsMutex);
if (ACPI_FAILURE (Status))
{
return (Status);
}
break;
case ACPI_TYPE_EVENT:
Status = AcpiOsCreateSemaphore (ACPI_NO_UNIT_LIMIT, 0,
&DestDesc->Event.OsSemaphore);
if (ACPI_FAILURE (Status))
{
return (Status);
}
break;
default:
/* Nothing to do for other simple objects */
break;
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIelementToIelement
*
* PARAMETERS: ACPI_PKG_CALLBACK
*
* RETURN: Status
*
* DESCRIPTION: Copy one package element to another package element
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyIelementToIelement (
UINT8 ObjectType,
ACPI_OPERAND_OBJECT *SourceObject,
ACPI_GENERIC_STATE *State,
void *Context)
{
ACPI_STATUS Status = AE_OK;
UINT32 ThisIndex;
ACPI_OPERAND_OBJECT **ThisTargetPtr;
ACPI_OPERAND_OBJECT *TargetObject;
ACPI_FUNCTION_ENTRY ();
ThisIndex = State->Pkg.Index;
ThisTargetPtr = (ACPI_OPERAND_OBJECT **)
&State->Pkg.DestObject->Package.Elements[ThisIndex];
switch (ObjectType)
{
case ACPI_COPY_TYPE_SIMPLE:
/* A null source object indicates a (legal) null package element */
if (SourceObject)
{
/*
* This is a simple object, just copy it
*/
TargetObject = AcpiUtCreateInternalObject (
SourceObject->Common.Type);
if (!TargetObject)
{
return (AE_NO_MEMORY);
}
Status = AcpiUtCopySimpleObject (SourceObject, TargetObject);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
*ThisTargetPtr = TargetObject;
}
else
{
/* Pass through a null element */
*ThisTargetPtr = NULL;
}
break;
case ACPI_COPY_TYPE_PACKAGE:
/*
* This object is a package - go down another nesting level
* Create and build the package object
*/
TargetObject = AcpiUtCreatePackageObject (SourceObject->Package.Count);
if (!TargetObject)
{
return (AE_NO_MEMORY);
}
TargetObject->Common.Flags = SourceObject->Common.Flags;
/* Pass the new package object back to the package walk routine */
State->Pkg.ThisTargetObj = TargetObject;
/* Store the object pointer in the parent package object */
*ThisTargetPtr = TargetObject;
break;
default:
return (AE_BAD_PARAMETER);
}
return (Status);
ErrorExit:
AcpiUtRemoveReference (TargetObject);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIpackageToIpackage
*
* PARAMETERS: SourceObj - Pointer to the source package object
* DestObj - Where the internal object is returned
* WalkState - Current Walk state descriptor
*
* RETURN: Status
*
* DESCRIPTION: This function is called to copy an internal package object
* into another internal package object.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCopyIpackageToIpackage (
ACPI_OPERAND_OBJECT *SourceObj,
ACPI_OPERAND_OBJECT *DestObj,
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (UtCopyIpackageToIpackage);
DestObj->Common.Type = SourceObj->Common.Type;
DestObj->Common.Flags = SourceObj->Common.Flags;
DestObj->Package.Count = SourceObj->Package.Count;
/*
* Create the object array and walk the source package tree
*/
DestObj->Package.Elements = ACPI_ALLOCATE_ZEROED (
((ACPI_SIZE) SourceObj->Package.Count + 1) *
sizeof (void *));
if (!DestObj->Package.Elements)
{
ACPI_ERROR ((AE_INFO, "Package allocation failure"));
return_ACPI_STATUS (AE_NO_MEMORY);
}
/*
* Copy the package element-by-element by walking the package "tree".
* This handles nested packages of arbitrary depth.
*/
Status = AcpiUtWalkPackageTree (SourceObj, DestObj,
AcpiUtCopyIelementToIelement, WalkState);
if (ACPI_FAILURE (Status))
{
/* On failure, delete the destination package object */
AcpiUtRemoveReference (DestObj);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIobjectToIobject
*
* PARAMETERS: SourceDesc - The internal object to be copied
* DestDesc - Where the copied object is returned
* WalkState - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Copy an internal object to a new internal object
*
******************************************************************************/
ACPI_STATUS
AcpiUtCopyIobjectToIobject (
ACPI_OPERAND_OBJECT *SourceDesc,
ACPI_OPERAND_OBJECT **DestDesc,
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (UtCopyIobjectToIobject);
/* Create the top level object */
*DestDesc = AcpiUtCreateInternalObject (SourceDesc->Common.Type);
if (!*DestDesc)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Copy the object and possible subobjects */
if (SourceDesc->Common.Type == ACPI_TYPE_PACKAGE)
{
Status = AcpiUtCopyIpackageToIpackage (SourceDesc, *DestDesc,
WalkState);
}
else
{
Status = AcpiUtCopySimpleObject (SourceDesc, *DestDesc);
}
return_ACPI_STATUS (Status);
}

/drivers/devman/acpica/utilities/utdebug.c
0,0 → 1,814
/******************************************************************************
*
* Module Name: utdebug - Debug print routines
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTDEBUG_C__
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utdebug")
#ifdef ACPI_DEBUG_OUTPUT
static ACPI_THREAD_ID AcpiGbl_PrevThreadId = (ACPI_THREAD_ID) 0xFFFFFFFF;
static char *AcpiGbl_FnEntryStr = "----Entry";
static char *AcpiGbl_FnExitStr = "----Exit-";
/* Local prototypes */
static const char *
AcpiUtTrimFunctionName (
const char *FunctionName);
/*******************************************************************************
*
* FUNCTION: AcpiUtInitStackPtrTrace
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Save the current CPU stack pointer at subsystem startup
*
******************************************************************************/
void
AcpiUtInitStackPtrTrace (
void)
{
ACPI_SIZE CurrentSp;
AcpiGbl_EntryStackPointer = &CurrentSp;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtTrackStackPtr
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Save the current CPU stack pointer
*
******************************************************************************/
void
AcpiUtTrackStackPtr (
void)
{
ACPI_SIZE CurrentSp;
if (&CurrentSp < AcpiGbl_LowestStackPointer)
{
AcpiGbl_LowestStackPointer = &CurrentSp;
}
if (AcpiGbl_NestingLevel > AcpiGbl_DeepestNesting)
{
AcpiGbl_DeepestNesting = AcpiGbl_NestingLevel;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtTrimFunctionName
*
* PARAMETERS: FunctionName - Ascii string containing a procedure name
*
* RETURN: Updated pointer to the function name
*
* DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
* This allows compiler macros such as __FUNCTION__ to be used
* with no change to the debug output.
*
******************************************************************************/
static const char *
AcpiUtTrimFunctionName (
const char *FunctionName)
{
/* All Function names are longer than 4 chars, check is safe */
if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_MIXED)
{
/* This is the case where the original source has not been modified */
return (FunctionName + 4);
}
if (*(ACPI_CAST_PTR (UINT32, FunctionName)) == ACPI_PREFIX_LOWER)
{
/* This is the case where the source has been 'linuxized' */
return (FunctionName + 5);
}
return (FunctionName);
}
/*******************************************************************************
*
* FUNCTION: AcpiDebugPrint
*
* PARAMETERS: RequestedDebugLevel - Requested debug print level
* LineNumber - Caller's line number (for error output)
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Format - Printf format field
* ... - Optional printf arguments
*
* RETURN: None
*
* DESCRIPTION: Print error message with prefix consisting of the module name,
* line number, and component ID.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiDebugPrint (
UINT32 RequestedDebugLevel,
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
const char *Format,
...)
{
ACPI_THREAD_ID ThreadId;
va_list args;
/*
* Stay silent if the debug level or component ID is disabled
*/
if (!(RequestedDebugLevel & AcpiDbgLevel) ||
!(ComponentId & AcpiDbgLayer))
{
return;
}
/*
* Thread tracking and context switch notification
*/
ThreadId = AcpiOsGetThreadId ();
if (ThreadId != AcpiGbl_PrevThreadId)
{
if (ACPI_LV_THREADS & AcpiDbgLevel)
{
AcpiOsPrintf (
"\n**** Context Switch from TID %p to TID %p ****\n\n",
ACPI_CAST_PTR (void, AcpiGbl_PrevThreadId),
ACPI_CAST_PTR (void, ThreadId));
}
AcpiGbl_PrevThreadId = ThreadId;
}
/*
* Display the module name, current line number, thread ID (if requested),
* current procedure nesting level, and the current procedure name
*/
AcpiOsPrintf ("%8s-%04ld ", ModuleName, LineNumber);
if (ACPI_LV_THREADS & AcpiDbgLevel)
{
AcpiOsPrintf ("[%p] ", ACPI_CAST_PTR (void, ThreadId));
}
AcpiOsPrintf ("[%02ld] %-22.22s: ",
AcpiGbl_NestingLevel, AcpiUtTrimFunctionName (FunctionName));
va_start (args, Format);
AcpiOsVprintf (Format, args);
va_end (args);
}
ACPI_EXPORT_SYMBOL (AcpiDebugPrint)
/*******************************************************************************
*
* FUNCTION: AcpiDebugPrintRaw
*
* PARAMETERS: RequestedDebugLevel - Requested debug print level
* LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Format - Printf format field
* ... - Optional printf arguments
*
* RETURN: None
*
* DESCRIPTION: Print message with no headers. Has same interface as
* DebugPrint so that the same macros can be used.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiDebugPrintRaw (
UINT32 RequestedDebugLevel,
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
const char *Format,
...)
{
va_list args;
if (!(RequestedDebugLevel & AcpiDbgLevel) ||
!(ComponentId & AcpiDbgLayer))
{
return;
}
va_start (args, Format);
AcpiOsVprintf (Format, args);
va_end (args);
}
ACPI_EXPORT_SYMBOL (AcpiDebugPrintRaw)
/*******************************************************************************
*
* FUNCTION: AcpiUtTrace
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel
*
******************************************************************************/
void
AcpiUtTrace (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId)
{
AcpiGbl_NestingLevel++;
AcpiUtTrackStackPtr ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s\n", AcpiGbl_FnEntryStr);
}
ACPI_EXPORT_SYMBOL (AcpiUtTrace)
/*******************************************************************************
*
* FUNCTION: AcpiUtTracePtr
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Pointer - Pointer to display
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel
*
******************************************************************************/
void
AcpiUtTracePtr (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
void *Pointer)
{
AcpiGbl_NestingLevel++;
AcpiUtTrackStackPtr ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %p\n", AcpiGbl_FnEntryStr, Pointer);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtTraceStr
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* String - Additional string to display
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel
*
******************************************************************************/
void
AcpiUtTraceStr (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
char *String)
{
AcpiGbl_NestingLevel++;
AcpiUtTrackStackPtr ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %s\n", AcpiGbl_FnEntryStr, String);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtTraceU32
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Integer - Integer to display
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel
*
******************************************************************************/
void
AcpiUtTraceU32 (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
UINT32 Integer)
{
AcpiGbl_NestingLevel++;
AcpiUtTrackStackPtr ();
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %08X\n", AcpiGbl_FnEntryStr, Integer);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtExit
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel
*
******************************************************************************/
void
AcpiUtExit (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId)
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s\n", AcpiGbl_FnExitStr);
AcpiGbl_NestingLevel--;
}
ACPI_EXPORT_SYMBOL (AcpiUtExit)
/*******************************************************************************
*
* FUNCTION: AcpiUtStatusExit
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Status - Exit status code
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel. Prints exit status also.
*
******************************************************************************/
void
AcpiUtStatusExit (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
ACPI_STATUS Status)
{
if (ACPI_SUCCESS (Status))
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %s\n", AcpiGbl_FnExitStr,
AcpiFormatException (Status));
}
else
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s ****Exception****: %s\n", AcpiGbl_FnExitStr,
AcpiFormatException (Status));
}
AcpiGbl_NestingLevel--;
}
ACPI_EXPORT_SYMBOL (AcpiUtStatusExit)
/*******************************************************************************
*
* FUNCTION: AcpiUtValueExit
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Value - Value to be printed with exit msg
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel. Prints exit value also.
*
******************************************************************************/
void
AcpiUtValueExit (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
UINT64 Value)
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %8.8X%8.8X\n", AcpiGbl_FnExitStr,
ACPI_FORMAT_UINT64 (Value));
AcpiGbl_NestingLevel--;
}
ACPI_EXPORT_SYMBOL (AcpiUtValueExit)
/*******************************************************************************
*
* FUNCTION: AcpiUtPtrExit
*
* PARAMETERS: LineNumber - Caller's line number
* FunctionName - Caller's procedure name
* ModuleName - Caller's module name
* ComponentId - Caller's component ID
* Ptr - Pointer to display
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in DebugLevel. Prints exit value also.
*
******************************************************************************/
void
AcpiUtPtrExit (
UINT32 LineNumber,
const char *FunctionName,
const char *ModuleName,
UINT32 ComponentId,
UINT8 *Ptr)
{
AcpiDebugPrint (ACPI_LV_FUNCTIONS,
LineNumber, FunctionName, ModuleName, ComponentId,
"%s %p\n", AcpiGbl_FnExitStr, Ptr);
AcpiGbl_NestingLevel--;
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiUtDumpBuffer
*
* PARAMETERS: Buffer - Buffer to dump
* Count - Amount to dump, in bytes
* Display - BYTE, WORD, DWORD, or QWORD display
* ComponentID - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Generic dump buffer in both hex and ascii.
*
******************************************************************************/
void
AcpiUtDumpBuffer2 (
UINT8 *Buffer,
UINT32 Count,
UINT32 Display)
{
UINT32 i = 0;
UINT32 j;
UINT32 Temp32;
UINT8 BufChar;
if (!Buffer)
{
AcpiOsPrintf ("Null Buffer Pointer in DumpBuffer!\n");
return;
}
if ((Count < 4) || (Count & 0x01))
{
Display = DB_BYTE_DISPLAY;
}
/* Nasty little dump buffer routine! */
while (i < Count)
{
/* Print current offset */
AcpiOsPrintf ("%6.4X: ", i);
/* Print 16 hex chars */
for (j = 0; j < 16;)
{
if (i + j >= Count)
{
/* Dump fill spaces */
AcpiOsPrintf ("%*s", ((Display * 2) + 1), " ");
j += Display;
continue;
}
switch (Display)
{
case DB_BYTE_DISPLAY:
default: /* Default is BYTE display */
AcpiOsPrintf ("%02X ", Buffer[(ACPI_SIZE) i + j]);
break;
case DB_WORD_DISPLAY:
ACPI_MOVE_16_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
AcpiOsPrintf ("%04X ", Temp32);
break;
case DB_DWORD_DISPLAY:
ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
AcpiOsPrintf ("%08X ", Temp32);
break;
case DB_QWORD_DISPLAY:
ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j]);
AcpiOsPrintf ("%08X", Temp32);
ACPI_MOVE_32_TO_32 (&Temp32, &Buffer[(ACPI_SIZE) i + j + 4]);
AcpiOsPrintf ("%08X ", Temp32);
break;
}
j += Display;
}
/*
* Print the ASCII equivalent characters but watch out for the bad
* unprintable ones (printable chars are 0x20 through 0x7E)
*/
AcpiOsPrintf (" ");
for (j = 0; j < 16; j++)
{
if (i + j >= Count)
{
AcpiOsPrintf ("\n");
return;
}
BufChar = Buffer[(ACPI_SIZE) i + j];
if (ACPI_IS_PRINT (BufChar))
{
AcpiOsPrintf ("%c", BufChar);
}
else
{
AcpiOsPrintf (".");
}
}
/* Done with that line. */
AcpiOsPrintf ("\n");
i += 16;
}
return;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDumpBuffer
*
* PARAMETERS: Buffer - Buffer to dump
* Count - Amount to dump, in bytes
* Display - BYTE, WORD, DWORD, or QWORD display
* ComponentID - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Generic dump buffer in both hex and ascii.
*
******************************************************************************/
void
AcpiUtDumpBuffer (
UINT8 *Buffer,
UINT32 Count,
UINT32 Display,
UINT32 ComponentId)
{
/* Only dump the buffer if tracing is enabled */
if (!((ACPI_LV_TABLES & AcpiDbgLevel) &&
(ComponentId & AcpiDbgLayer)))
{
return;
}
AcpiUtDumpBuffer2 (Buffer, Count, Display);
}

/drivers/devman/acpica/utilities/utdelete.c
0,0 → 1,828
/*******************************************************************************
*
* Module Name: utdelete - object deletion and reference count utilities
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTDELETE_C__
#include "acpi.h"
#include "accommon.h"
#include "acinterp.h"
#include "acnamesp.h"
#include "acevents.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utdelete")
/* Local prototypes */
static void
AcpiUtDeleteInternalObj (
ACPI_OPERAND_OBJECT *Object);
static void
AcpiUtUpdateRefCount (
ACPI_OPERAND_OBJECT *Object,
UINT32 Action);
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteInternalObj
*
* PARAMETERS: Object - Object to be deleted
*
* RETURN: None
*
* DESCRIPTION: Low level object deletion, after reference counts have been
* updated (All reference counts, including sub-objects!)
*
******************************************************************************/
static void
AcpiUtDeleteInternalObj (
ACPI_OPERAND_OBJECT *Object)
{
void *ObjPointer = NULL;
ACPI_OPERAND_OBJECT *HandlerDesc;
ACPI_OPERAND_OBJECT *SecondDesc;
ACPI_OPERAND_OBJECT *NextDesc;
ACPI_OPERAND_OBJECT **LastObjPtr;
ACPI_FUNCTION_TRACE_PTR (UtDeleteInternalObj, Object);
if (!Object)
{
return_VOID;
}
/*
* Must delete or free any pointers within the object that are not
* actual ACPI objects (for example, a raw buffer pointer).
*/
switch (Object->Common.Type)
{
case ACPI_TYPE_STRING:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n",
Object, Object->String.Pointer));
/* Free the actual string buffer */
if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
{
/* But only if it is NOT a pointer into an ACPI table */
ObjPointer = Object->String.Pointer;
}
break;
case ACPI_TYPE_BUFFER:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n",
Object, Object->Buffer.Pointer));
/* Free the actual buffer */
if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER))
{
/* But only if it is NOT a pointer into an ACPI table */
ObjPointer = Object->Buffer.Pointer;
}
break;
case ACPI_TYPE_PACKAGE:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n",
Object->Package.Count));
/*
* Elements of the package are not handled here, they are deleted
* separately
*/
/* Free the (variable length) element pointer array */
ObjPointer = Object->Package.Elements;
break;
/*
* These objects have a possible list of notify handlers.
* Device object also may have a GPE block.
*/
case ACPI_TYPE_DEVICE:
if (Object->Device.GpeBlock)
{
(void) AcpiEvDeleteGpeBlock (Object->Device.GpeBlock);
}
/*lint -fallthrough */
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_THERMAL:
/* Walk the notify handler list for this object */
HandlerDesc = Object->CommonNotify.Handler;
while (HandlerDesc)
{
NextDesc = HandlerDesc->AddressSpace.Next;
AcpiUtRemoveReference (HandlerDesc);
HandlerDesc = NextDesc;
}
break;
case ACPI_TYPE_MUTEX:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"***** Mutex %p, OS Mutex %p\n",
Object, Object->Mutex.OsMutex));
if (Object == AcpiGbl_GlobalLockMutex)
{
/* Global Lock has extra semaphore */
(void) AcpiOsDeleteSemaphore (AcpiGbl_GlobalLockSemaphore);
AcpiGbl_GlobalLockSemaphore = NULL;
AcpiOsDeleteMutex (Object->Mutex.OsMutex);
AcpiGbl_GlobalLockMutex = NULL;
}
else
{
AcpiExUnlinkMutex (Object);
AcpiOsDeleteMutex (Object->Mutex.OsMutex);
}
break;
case ACPI_TYPE_EVENT:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"***** Event %p, OS Semaphore %p\n",
Object, Object->Event.OsSemaphore));
(void) AcpiOsDeleteSemaphore (Object->Event.OsSemaphore);
Object->Event.OsSemaphore = NULL;
break;
case ACPI_TYPE_METHOD:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"***** Method %p\n", Object));
/* Delete the method mutex if it exists */
if (Object->Method.Mutex)
{
AcpiOsDeleteMutex (Object->Method.Mutex->Mutex.OsMutex);
AcpiUtDeleteObjectDesc (Object->Method.Mutex);
Object->Method.Mutex = NULL;
}
break;
case ACPI_TYPE_REGION:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"***** Region %p\n", Object));
SecondDesc = AcpiNsGetSecondaryObject (Object);
if (SecondDesc)
{
/*
* Free the RegionContext if and only if the handler is one of the
* default handlers -- and therefore, we created the context object
* locally, it was not created by an external caller.
*/
HandlerDesc = Object->Region.Handler;
if (HandlerDesc)
{
NextDesc = HandlerDesc->AddressSpace.RegionList;
LastObjPtr = &HandlerDesc->AddressSpace.RegionList;
/* Remove the region object from the handler's list */
while (NextDesc)
{
if (NextDesc == Object)
{
*LastObjPtr = NextDesc->Region.Next;
break;
}
/* Walk the linked list of handler */
LastObjPtr = &NextDesc->Region.Next;
NextDesc = NextDesc->Region.Next;
}
if (HandlerDesc->AddressSpace.HandlerFlags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
{
/* Deactivate region and free region context */
if (HandlerDesc->AddressSpace.Setup)
{
(void) HandlerDesc->AddressSpace.Setup (Object,
ACPI_REGION_DEACTIVATE,
HandlerDesc->AddressSpace.Context,
&SecondDesc->Extra.RegionContext);
}
}
AcpiUtRemoveReference (HandlerDesc);
}
/* Now we can free the Extra object */
AcpiUtDeleteObjectDesc (SecondDesc);
}
break;
case ACPI_TYPE_BUFFER_FIELD:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"***** Buffer Field %p\n", Object));
SecondDesc = AcpiNsGetSecondaryObject (Object);
if (SecondDesc)
{
AcpiUtDeleteObjectDesc (SecondDesc);
}
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"***** Bank Field %p\n", Object));
SecondDesc = AcpiNsGetSecondaryObject (Object);
if (SecondDesc)
{
AcpiUtDeleteObjectDesc (SecondDesc);
}
break;
default:
break;
}
/* Free any allocated memory (pointer within the object) found above */
if (ObjPointer)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n",
ObjPointer));
ACPI_FREE (ObjPointer);
}
/* Now the object can be safely deleted */
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",
Object, AcpiUtGetObjectTypeName (Object)));
AcpiUtDeleteObjectDesc (Object);
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteInternalObjectList
*
* PARAMETERS: ObjList - Pointer to the list to be deleted
*
* RETURN: None
*
* DESCRIPTION: This function deletes an internal object list, including both
* simple objects and package objects
*
******************************************************************************/
void
AcpiUtDeleteInternalObjectList (
ACPI_OPERAND_OBJECT **ObjList)
{
ACPI_OPERAND_OBJECT **InternalObj;
ACPI_FUNCTION_TRACE (UtDeleteInternalObjectList);
/* Walk the null-terminated internal list */
for (InternalObj = ObjList; *InternalObj; InternalObj++)
{
AcpiUtRemoveReference (*InternalObj);
}
/* Free the combined parameter pointer list and object array */
ACPI_FREE (ObjList);
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtUpdateRefCount
*
* PARAMETERS: Object - Object whose ref count is to be updated
* Action - What to do
*
* RETURN: New ref count
*
* DESCRIPTION: Modify the ref count and return it.
*
******************************************************************************/
static void
AcpiUtUpdateRefCount (
ACPI_OPERAND_OBJECT *Object,
UINT32 Action)
{
UINT16 Count;
UINT16 NewCount;
ACPI_FUNCTION_NAME (UtUpdateRefCount);
if (!Object)
{
return;
}
Count = Object->Common.ReferenceCount;
NewCount = Count;
/*
* Perform the reference count action (increment, decrement, force delete)
*/
switch (Action)
{
case REF_INCREMENT:
NewCount++;
Object->Common.ReferenceCount = NewCount;
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Obj %p Refs=%X, [Incremented]\n",
Object, NewCount));
break;
case REF_DECREMENT:
if (Count < 1)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Obj %p Refs=%X, can't decrement! (Set to 0)\n",
Object, NewCount));
NewCount = 0;
}
else
{
NewCount--;
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Obj %p Refs=%X, [Decremented]\n",
Object, NewCount));
}
if (Object->Common.Type == ACPI_TYPE_METHOD)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Method Obj %p Refs=%X, [Decremented]\n", Object, NewCount));
}
Object->Common.ReferenceCount = NewCount;
if (NewCount == 0)
{
AcpiUtDeleteInternalObj (Object);
}
break;
case REF_FORCE_DELETE:
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Obj %p Refs=%X, Force delete! (Set to 0)\n", Object, Count));
NewCount = 0;
Object->Common.ReferenceCount = NewCount;
AcpiUtDeleteInternalObj (Object);
break;
default:
ACPI_ERROR ((AE_INFO, "Unknown action (0x%X)", Action));
break;
}
/*
* Sanity check the reference count, for debug purposes only.
* (A deleted object will have a huge reference count)
*/
if (Count > ACPI_MAX_REFERENCE_COUNT)
{
ACPI_WARNING ((AE_INFO,
"Large Reference Count (0x%X) in object %p", Count, Object));
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtUpdateObjectReference
*
* PARAMETERS: Object - Increment ref count for this object
* and all sub-objects
* Action - Either REF_INCREMENT or REF_DECREMENT or
* REF_FORCE_DELETE
*
* RETURN: Status
*
* DESCRIPTION: Increment the object reference count
*
* Object references are incremented when:
* 1) An object is attached to a Node (namespace object)
* 2) An object is copied (all subobjects must be incremented)
*
* Object references are decremented when:
* 1) An object is detached from an Node
*
******************************************************************************/
ACPI_STATUS
AcpiUtUpdateObjectReference (
ACPI_OPERAND_OBJECT *Object,
UINT16 Action)
{
ACPI_STATUS Status = AE_OK;
ACPI_GENERIC_STATE *StateList = NULL;
ACPI_OPERAND_OBJECT *NextObject = NULL;
ACPI_GENERIC_STATE *State;
UINT32 i;
ACPI_FUNCTION_TRACE_PTR (UtUpdateObjectReference, Object);
while (Object)
{
/* Make sure that this isn't a namespace handle */
if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED)
{
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Object %p is NS handle\n", Object));
return_ACPI_STATUS (AE_OK);
}
/*
* All sub-objects must have their reference count incremented also.
* Different object types have different subobjects.
*/
switch (Object->Common.Type)
{
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_POWER:
case ACPI_TYPE_THERMAL:
/* Update the notify objects for these types (if present) */
AcpiUtUpdateRefCount (Object->CommonNotify.SystemNotify, Action);
AcpiUtUpdateRefCount (Object->CommonNotify.DeviceNotify, Action);
break;
case ACPI_TYPE_PACKAGE:
/*
* We must update all the sub-objects of the package,
* each of whom may have their own sub-objects.
*/
for (i = 0; i < Object->Package.Count; i++)
{
/*
* Push each element onto the stack for later processing.
* Note: There can be null elements within the package,
* these are simply ignored
*/
Status = AcpiUtCreateUpdateStateAndPush (
Object->Package.Elements[i], Action, &StateList);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
}
break;
case ACPI_TYPE_BUFFER_FIELD:
NextObject = Object->BufferField.BufferObj;
break;
case ACPI_TYPE_LOCAL_REGION_FIELD:
NextObject = Object->Field.RegionObj;
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
NextObject = Object->BankField.BankObj;
Status = AcpiUtCreateUpdateStateAndPush (
Object->BankField.RegionObj, Action, &StateList);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
break;
case ACPI_TYPE_LOCAL_INDEX_FIELD:
NextObject = Object->IndexField.IndexObj;
Status = AcpiUtCreateUpdateStateAndPush (
Object->IndexField.DataObj, Action, &StateList);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
/*
* The target of an Index (a package, string, or buffer) or a named
* reference must track changes to the ref count of the index or
* target object.
*/
if ((Object->Reference.Class == ACPI_REFCLASS_INDEX) ||
(Object->Reference.Class== ACPI_REFCLASS_NAME))
{
NextObject = Object->Reference.Object;
}
break;
case ACPI_TYPE_REGION:
default:
break; /* No subobjects for all other types */
}
/*
* Now we can update the count in the main object. This can only
* happen after we update the sub-objects in case this causes the
* main object to be deleted.
*/
AcpiUtUpdateRefCount (Object, Action);
Object = NULL;
/* Move on to the next object to be updated */
if (NextObject)
{
Object = NextObject;
NextObject = NULL;
}
else if (StateList)
{
State = AcpiUtPopGenericState (&StateList);
Object = State->Update.Object;
AcpiUtDeleteGenericState (State);
}
}
return_ACPI_STATUS (AE_OK);
ErrorExit:
ACPI_EXCEPTION ((AE_INFO, Status,
"Could not update object reference count"));
/* Free any stacked Update State objects */
while (StateList)
{
State = AcpiUtPopGenericState (&StateList);
AcpiUtDeleteGenericState (State);
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAddReference
*
* PARAMETERS: Object - Object whose reference count is to be
* incremented
*
* RETURN: None
*
* DESCRIPTION: Add one reference to an ACPI object
*
******************************************************************************/
void
AcpiUtAddReference (
ACPI_OPERAND_OBJECT *Object)
{
ACPI_FUNCTION_TRACE_PTR (UtAddReference, Object);
/* Ensure that we have a valid object */
if (!AcpiUtValidInternalObject (Object))
{
return_VOID;
}
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Obj %p Current Refs=%X [To Be Incremented]\n",
Object, Object->Common.ReferenceCount));
/* Increment the reference count */
(void) AcpiUtUpdateObjectReference (Object, REF_INCREMENT);
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtRemoveReference
*
* PARAMETERS: Object - Object whose ref count will be decremented
*
* RETURN: None
*
* DESCRIPTION: Decrement the reference count of an ACPI internal object
*
******************************************************************************/
void
AcpiUtRemoveReference (
ACPI_OPERAND_OBJECT *Object)
{
ACPI_FUNCTION_TRACE_PTR (UtRemoveReference, Object);
/*
* Allow a NULL pointer to be passed in, just ignore it. This saves
* each caller from having to check. Also, ignore NS nodes.
*
*/
if (!Object ||
(ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED))
{
return_VOID;
}
/* Ensure that we have a valid object */
if (!AcpiUtValidInternalObject (Object))
{
return_VOID;
}
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
"Obj %p Current Refs=%X [To Be Decremented]\n",
Object, Object->Common.ReferenceCount));
/*
* Decrement the reference count, and only actually delete the object
* if the reference count becomes 0. (Must also decrement the ref count
* of all subobjects!)
*/
(void) AcpiUtUpdateObjectReference (Object, REF_DECREMENT);
return_VOID;
}

/drivers/devman/acpica/utilities/uteval.c
0,0 → 1,575
/******************************************************************************
*
* Module Name: uteval - Object evaluation
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTEVAL_C__
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("uteval")
/*
* Strings supported by the _OSI predefined (internal) method.
*
* March 2009: Removed "Linux" as this host no longer wants to respond true
* for this string. Basically, the only safe OS strings are windows-related
* and in many or most cases represent the only test path within the
* BIOS-provided ASL code.
*
* The second element of each entry is used to track the newest version of
* Windows that the BIOS has requested.
*/
static const ACPI_INTERFACE_INFO AcpiInterfacesSupported[] =
{
/* Operating System Vendor Strings */
{"Windows 2000", ACPI_OSI_WIN_2000}, /* Windows 2000 */
{"Windows 2001", ACPI_OSI_WIN_XP}, /* Windows XP */
{"Windows 2001 SP1", ACPI_OSI_WIN_XP_SP1}, /* Windows XP SP1 */
{"Windows 2001.1", ACPI_OSI_WINSRV_2003}, /* Windows Server 2003 */
{"Windows 2001 SP2", ACPI_OSI_WIN_XP_SP2}, /* Windows XP SP2 */
{"Windows 2001.1 SP1", ACPI_OSI_WINSRV_2003_SP1}, /* Windows Server 2003 SP1 - Added 03/2006 */
{"Windows 2006", ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */
{"Windows 2006.1", ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */
{"Windows 2006 SP1", ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */
{"Windows 2009", ACPI_OSI_WIN_7}, /* Windows 7 and Server 2008 R2 - Added 09/2009 */
/* Feature Group Strings */
{"Extended Address Space Descriptor", 0}
/*
* All "optional" feature group strings (features that are implemented
* by the host) should be implemented in the host version of
* AcpiOsValidateInterface and should not be added here.
*/
};
/*******************************************************************************
*
* FUNCTION: AcpiUtOsiImplementation
*
* PARAMETERS: WalkState - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Implementation of the _OSI predefined control method
*
******************************************************************************/
ACPI_STATUS
AcpiUtOsiImplementation (
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT *StringDesc;
ACPI_OPERAND_OBJECT *ReturnDesc;
UINT32 ReturnValue;
UINT32 i;
ACPI_FUNCTION_TRACE (UtOsiImplementation);
/* Validate the string input argument */
StringDesc = WalkState->Arguments[0].Object;
if (!StringDesc || (StringDesc->Common.Type != ACPI_TYPE_STRING))
{
return_ACPI_STATUS (AE_TYPE);
}
/* Create a return object */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Default return value is 0, NOT SUPPORTED */
ReturnValue = 0;
/* Compare input string to static table of supported interfaces */
for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiInterfacesSupported); i++)
{
if (!ACPI_STRCMP (StringDesc->String.Pointer,
AcpiInterfacesSupported[i].Name))
{
/*
* The interface is supported.
* Update the OsiData if necessary. We keep track of the latest
* version of Windows that has been requested by the BIOS.
*/
if (AcpiInterfacesSupported[i].Value > AcpiGbl_OsiData)
{
AcpiGbl_OsiData = AcpiInterfacesSupported[i].Value;
}
ReturnValue = ACPI_UINT32_MAX;
goto Exit;
}
}
/*
* Did not match the string in the static table, call the host OSL to
* check for a match with one of the optional strings (such as
* "Module Device", "3.0 Thermal Model", etc.)
*/
Status = AcpiOsValidateInterface (StringDesc->String.Pointer);
if (ACPI_SUCCESS (Status))
{
/* The interface is supported */
ReturnValue = ACPI_UINT32_MAX;
}
Exit:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO,
"ACPI: BIOS _OSI(%s) is %ssupported\n",
StringDesc->String.Pointer, ReturnValue == 0 ? "not " : ""));
/* Complete the return value */
ReturnDesc->Integer.Value = ReturnValue;
WalkState->ReturnDesc = ReturnDesc;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtEvaluateObject
*
* PARAMETERS: PrefixNode - Starting node
* Path - Path to object from starting node
* ExpectedReturnTypes - Bitmap of allowed return types
* ReturnDesc - Where a return value is stored
*
* RETURN: Status
*
* DESCRIPTION: Evaluates a namespace object and verifies the type of the
* return object. Common code that simplifies accessing objects
* that have required return objects of fixed types.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
ACPI_STATUS
AcpiUtEvaluateObject (
ACPI_NAMESPACE_NODE *PrefixNode,
char *Path,
UINT32 ExpectedReturnBtypes,
ACPI_OPERAND_OBJECT **ReturnDesc)
{
ACPI_EVALUATE_INFO *Info;
ACPI_STATUS Status;
UINT32 ReturnBtype;
ACPI_FUNCTION_TRACE (UtEvaluateObject);
/* Allocate the evaluation information block */
Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO));
if (!Info)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
Info->PrefixNode = PrefixNode;
Info->Pathname = Path;
/* Evaluate the object/method */
Status = AcpiNsEvaluate (Info);
if (ACPI_FAILURE (Status))
{
if (Status == AE_NOT_FOUND)
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s.%s] was not found\n",
AcpiUtGetNodeName (PrefixNode), Path));
}
else
{
ACPI_ERROR_METHOD ("Method execution failed",
PrefixNode, Path, Status);
}
goto Cleanup;
}
/* Did we get a return object? */
if (!Info->ReturnObject)
{
if (ExpectedReturnBtypes)
{
ACPI_ERROR_METHOD ("No object was returned from",
PrefixNode, Path, AE_NOT_EXIST);
Status = AE_NOT_EXIST;
}
goto Cleanup;
}
/* Map the return object type to the bitmapped type */
switch ((Info->ReturnObject)->Common.Type)
{
case ACPI_TYPE_INTEGER:
ReturnBtype = ACPI_BTYPE_INTEGER;
break;
case ACPI_TYPE_BUFFER:
ReturnBtype = ACPI_BTYPE_BUFFER;
break;
case ACPI_TYPE_STRING:
ReturnBtype = ACPI_BTYPE_STRING;
break;
case ACPI_TYPE_PACKAGE:
ReturnBtype = ACPI_BTYPE_PACKAGE;
break;
default:
ReturnBtype = 0;
break;
}
if ((AcpiGbl_EnableInterpreterSlack) &&
(!ExpectedReturnBtypes))
{
/*
* We received a return object, but one was not expected. This can
* happen frequently if the "implicit return" feature is enabled.
* Just delete the return object and return AE_OK.
*/
AcpiUtRemoveReference (Info->ReturnObject);
goto Cleanup;
}
/* Is the return object one of the expected types? */
if (!(ExpectedReturnBtypes & ReturnBtype))
{
ACPI_ERROR_METHOD ("Return object type is incorrect",
PrefixNode, Path, AE_TYPE);
ACPI_ERROR ((AE_INFO,
"Type returned from %s was incorrect: %s, expected Btypes: 0x%X",
Path, AcpiUtGetObjectTypeName (Info->ReturnObject),
ExpectedReturnBtypes));
/* On error exit, we must delete the return object */
AcpiUtRemoveReference (Info->ReturnObject);
Status = AE_TYPE;
goto Cleanup;
}
/* Object type is OK, return it */
*ReturnDesc = Info->ReturnObject;
Cleanup:
ACPI_FREE (Info);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtEvaluateNumericObject
*
* PARAMETERS: ObjectName - Object name to be evaluated
* DeviceNode - Node for the device
* Value - Where the value is returned
*
* RETURN: Status
*
* DESCRIPTION: Evaluates a numeric namespace object for a selected device
* and stores result in *Value.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
ACPI_STATUS
AcpiUtEvaluateNumericObject (
char *ObjectName,
ACPI_NAMESPACE_NODE *DeviceNode,
UINT64 *Value)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtEvaluateNumericObject);
Status = AcpiUtEvaluateObject (DeviceNode, ObjectName,
ACPI_BTYPE_INTEGER, &ObjDesc);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the returned Integer */
*Value = ObjDesc->Integer.Value;
/* On exit, we must delete the return object */
AcpiUtRemoveReference (ObjDesc);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtExecute_STA
*
* PARAMETERS: DeviceNode - Node for the device
* Flags - Where the status flags are returned
*
* RETURN: Status
*
* DESCRIPTION: Executes _STA for selected device and stores results in
* *Flags.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
ACPI_STATUS
AcpiUtExecute_STA (
ACPI_NAMESPACE_NODE *DeviceNode,
UINT32 *Flags)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtExecute_STA);
Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__STA,
ACPI_BTYPE_INTEGER, &ObjDesc);
if (ACPI_FAILURE (Status))
{
if (AE_NOT_FOUND == Status)
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"_STA on %4.4s was not found, assuming device is present\n",
AcpiUtGetNodeName (DeviceNode)));
*Flags = ACPI_UINT32_MAX;
Status = AE_OK;
}
return_ACPI_STATUS (Status);
}
/* Extract the status flags */
*Flags = (UINT32) ObjDesc->Integer.Value;
/* On exit, we must delete the return object */
AcpiUtRemoveReference (ObjDesc);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtExecutePowerMethods
*
* PARAMETERS: DeviceNode - Node for the device
* MethodNames - Array of power method names
* MethodCount - Number of methods to execute
* OutValues - Where the power method values are returned
*
* RETURN: Status, OutValues
*
* DESCRIPTION: Executes the specified power methods for the device and returns
* the result(s).
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
ACPI_STATUS
AcpiUtExecutePowerMethods (
ACPI_NAMESPACE_NODE *DeviceNode,
const char **MethodNames,
UINT8 MethodCount,
UINT8 *OutValues)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_STATUS Status;
ACPI_STATUS FinalStatus = AE_NOT_FOUND;
UINT32 i;
ACPI_FUNCTION_TRACE (UtExecutePowerMethods);
for (i = 0; i < MethodCount; i++)
{
/*
* Execute the power method (_SxD or _SxW). The only allowable
* return type is an Integer.
*/
Status = AcpiUtEvaluateObject (DeviceNode,
ACPI_CAST_PTR (char, MethodNames[i]),
ACPI_BTYPE_INTEGER, &ObjDesc);
if (ACPI_SUCCESS (Status))
{
OutValues[i] = (UINT8) ObjDesc->Integer.Value;
/* Delete the return object */
AcpiUtRemoveReference (ObjDesc);
FinalStatus = AE_OK; /* At least one value is valid */
continue;
}
OutValues[i] = ACPI_UINT8_MAX;
if (Status == AE_NOT_FOUND)
{
continue; /* Ignore if not found */
}
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Failed %s on Device %4.4s, %s\n",
ACPI_CAST_PTR (char, MethodNames[i]),
AcpiUtGetNodeName (DeviceNode), AcpiFormatException (Status)));
}
return_ACPI_STATUS (FinalStatus);
}

/drivers/devman/acpica/utilities/utglobal.c
0,0 → 1,977
/******************************************************************************
*
* Module Name: utglobal - Global variables for the ACPI subsystem
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTGLOBAL_C__
#define DEFINE_ACPI_GLOBALS
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utglobal")
/*******************************************************************************
*
* Static global variable initialization.
*
******************************************************************************/
/*
* We want the debug switches statically initialized so they
* are already set when the debugger is entered.
*/
/* Debug switch - level and trace mask */
#ifdef ACPI_DEBUG_OUTPUT
UINT32 AcpiDbgLevel = ACPI_DEBUG_DEFAULT;
#else
UINT32 AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
#endif
/* Debug switch - layer (component) mask */
UINT32 AcpiDbgLayer = ACPI_COMPONENT_DEFAULT;
UINT32 AcpiGbl_NestingLevel = 0;
/* Debugger globals */
BOOLEAN AcpiGbl_DbTerminateThreads = FALSE;
BOOLEAN AcpiGbl_AbortMethod = FALSE;
BOOLEAN AcpiGbl_MethodExecuting = FALSE;
/* System flags */
UINT32 AcpiGbl_StartupFlags = 0;
/* System starts uninitialized */
BOOLEAN AcpiGbl_Shutdown = TRUE;
const char *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
{
"\\_S0_",
"\\_S1_",
"\\_S2_",
"\\_S3_",
"\\_S4_",
"\\_S5_"
};
const char *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
{
"_S0W",
"_S1W",
"_S2W",
"_S3W",
"_S4W"
};
const char *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
{
"_S1D",
"_S2D",
"_S3D",
"_S4D"
};
/*******************************************************************************
*
* FUNCTION: AcpiFormatException
*
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
*
* RETURN: A string containing the exception text. A valid pointer is
* always returned.
*
* DESCRIPTION: This function translates an ACPI exception into an ASCII string
* It is here instead of utxface.c so it is always present.
*
******************************************************************************/
const char *
AcpiFormatException (
ACPI_STATUS Status)
{
const char *Exception = NULL;
ACPI_FUNCTION_ENTRY ();
Exception = AcpiUtValidateException (Status);
if (!Exception)
{
/* Exception code was not recognized */
ACPI_ERROR ((AE_INFO,
"Unknown exception code: 0x%8.8X", Status));
Exception = "UNKNOWN_STATUS_CODE";
}
return (ACPI_CAST_PTR (const char, Exception));
}
ACPI_EXPORT_SYMBOL (AcpiFormatException)
/*******************************************************************************
*
* Namespace globals
*
******************************************************************************/
/*
* Predefined ACPI Names (Built-in to the Interpreter)
*
* NOTES:
* 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
* during the initialization sequence.
* 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
* perform a Notify() operation on it.
*/
const ACPI_PREDEFINED_NAMES AcpiGbl_PreDefinedNames[] =
{
{"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_SB_", ACPI_TYPE_DEVICE, NULL},
{"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
{"_TZ_", ACPI_TYPE_THERMAL, NULL},
{"_REV", ACPI_TYPE_INTEGER, (char *) ACPI_CA_SUPPORT_LEVEL},
{"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
{"_GL_", ACPI_TYPE_MUTEX, (char *) 1},
#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
{"_OSI", ACPI_TYPE_METHOD, (char *) 1},
#endif
/* Table terminator */
{NULL, ACPI_TYPE_ANY, NULL}
};
/*
* Properties of the ACPI Object Types, both internal and external.
* The table is indexed by values of ACPI_OBJECT_TYPE
*/
const UINT8 AcpiGbl_NsProperties[ACPI_NUM_NS_TYPES] =
{
ACPI_NS_NORMAL, /* 00 Any */
ACPI_NS_NORMAL, /* 01 Number */
ACPI_NS_NORMAL, /* 02 String */
ACPI_NS_NORMAL, /* 03 Buffer */
ACPI_NS_NORMAL, /* 04 Package */
ACPI_NS_NORMAL, /* 05 FieldUnit */
ACPI_NS_NEWSCOPE, /* 06 Device */
ACPI_NS_NORMAL, /* 07 Event */
ACPI_NS_NEWSCOPE, /* 08 Method */
ACPI_NS_NORMAL, /* 09 Mutex */
ACPI_NS_NORMAL, /* 10 Region */
ACPI_NS_NEWSCOPE, /* 11 Power */
ACPI_NS_NEWSCOPE, /* 12 Processor */
ACPI_NS_NEWSCOPE, /* 13 Thermal */
ACPI_NS_NORMAL, /* 14 BufferField */
ACPI_NS_NORMAL, /* 15 DdbHandle */
ACPI_NS_NORMAL, /* 16 Debug Object */
ACPI_NS_NORMAL, /* 17 DefField */
ACPI_NS_NORMAL, /* 18 BankField */
ACPI_NS_NORMAL, /* 19 IndexField */
ACPI_NS_NORMAL, /* 20 Reference */
ACPI_NS_NORMAL, /* 21 Alias */
ACPI_NS_NORMAL, /* 22 MethodAlias */
ACPI_NS_NORMAL, /* 23 Notify */
ACPI_NS_NORMAL, /* 24 Address Handler */
ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */
ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */
ACPI_NS_NEWSCOPE, /* 27 Scope */
ACPI_NS_NORMAL, /* 28 Extra */
ACPI_NS_NORMAL, /* 29 Data */
ACPI_NS_NORMAL /* 30 Invalid */
};
/* Hex to ASCII conversion table */
static const char AcpiGbl_HexToAscii[] =
{
'0','1','2','3','4','5','6','7',
'8','9','A','B','C','D','E','F'
};
/*******************************************************************************
*
* FUNCTION: AcpiUtHexToAsciiChar
*
* PARAMETERS: Integer - Contains the hex digit
* Position - bit position of the digit within the
* integer (multiple of 4)
*
* RETURN: The converted Ascii character
*
* DESCRIPTION: Convert a hex digit to an Ascii character
*
******************************************************************************/
char
AcpiUtHexToAsciiChar (
UINT64 Integer,
UINT32 Position)
{
return (AcpiGbl_HexToAscii[(Integer >> Position) & 0xF]);
}
/******************************************************************************
*
* Event and Hardware globals
*
******************************************************************************/
ACPI_BIT_REGISTER_INFO AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
{
/* Name Parent Register Register Bit Position Register Bit Mask */
/* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_TIMER_STATUS, ACPI_BITMASK_TIMER_STATUS},
/* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_BUS_MASTER_STATUS, ACPI_BITMASK_BUS_MASTER_STATUS},
/* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_STATUS},
/* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_STATUS},
/* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_STATUS},
/* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_STATUS},
/* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_WAKE_STATUS, ACPI_BITMASK_WAKE_STATUS},
/* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, ACPI_BITMASK_PCIEXP_WAKE_STATUS},
/* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_TIMER_ENABLE, ACPI_BITMASK_TIMER_ENABLE},
/* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
/* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_ENABLE},
/* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
/* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_ENABLE},
/* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
/* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SCI_ENABLE, ACPI_BITMASK_SCI_ENABLE},
/* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_BUS_MASTER_RLD, ACPI_BITMASK_BUS_MASTER_RLD},
/* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
/* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_TYPE, ACPI_BITMASK_SLEEP_TYPE},
/* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, ACPI_BITPOSITION_SLEEP_ENABLE, ACPI_BITMASK_SLEEP_ENABLE},
/* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, ACPI_BITPOSITION_ARB_DISABLE, ACPI_BITMASK_ARB_DISABLE}
};
ACPI_FIXED_EVENT_INFO AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
{
/* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, ACPI_BITREG_TIMER_ENABLE, ACPI_BITMASK_TIMER_STATUS, ACPI_BITMASK_TIMER_ENABLE},
/* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, ACPI_BITREG_GLOBAL_LOCK_ENABLE, ACPI_BITMASK_GLOBAL_LOCK_STATUS, ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
/* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS, ACPI_BITMASK_POWER_BUTTON_ENABLE},
/* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS, ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
/* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, ACPI_BITREG_RT_CLOCK_ENABLE, ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE},
};
/*******************************************************************************
*
* FUNCTION: AcpiUtGetRegionName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a Space ID into a name string (Debug only)
*
******************************************************************************/
/* Region type decoding */
const char *AcpiGbl_RegionTypes[ACPI_NUM_PREDEFINED_REGIONS] =
{
"SystemMemory",
"SystemIO",
"PCI_Config",
"EmbeddedControl",
"SMBus",
"SystemCMOS",
"PCIBARTarget",
"IPMI",
"DataTable"
};
char *
AcpiUtGetRegionName (
UINT8 SpaceId)
{
if (SpaceId >= ACPI_USER_REGION_BEGIN)
{
return ("UserDefinedRegion");
}
else if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
{
return ("InvalidSpaceId");
}
return (ACPI_CAST_PTR (char, AcpiGbl_RegionTypes[SpaceId]));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetEventName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a Event ID into a name string (Debug only)
*
******************************************************************************/
/* Event type decoding */
static const char *AcpiGbl_EventTypes[ACPI_NUM_FIXED_EVENTS] =
{
"PM_Timer",
"GlobalLock",
"PowerButton",
"SleepButton",
"RealTimeClock",
};
char *
AcpiUtGetEventName (
UINT32 EventId)
{
if (EventId > ACPI_EVENT_MAX)
{
return ("InvalidEventID");
}
return (ACPI_CAST_PTR (char, AcpiGbl_EventTypes[EventId]));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetTypeName
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Translate a Type ID into a name string (Debug only)
*
******************************************************************************/
/*
* Elements of AcpiGbl_NsTypeNames below must match
* one-to-one with values of ACPI_OBJECT_TYPE
*
* The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching;
* when stored in a table it really means that we have thus far seen no
* evidence to indicate what type is actually going to be stored for this entry.
*/
static const char AcpiGbl_BadType[] = "UNDEFINED";
/* Printable names of the ACPI object types */
static const char *AcpiGbl_NsTypeNames[] =
{
/* 00 */ "Untyped",
/* 01 */ "Integer",
/* 02 */ "String",
/* 03 */ "Buffer",
/* 04 */ "Package",
/* 05 */ "FieldUnit",
/* 06 */ "Device",
/* 07 */ "Event",
/* 08 */ "Method",
/* 09 */ "Mutex",
/* 10 */ "Region",
/* 11 */ "Power",
/* 12 */ "Processor",
/* 13 */ "Thermal",
/* 14 */ "BufferField",
/* 15 */ "DdbHandle",
/* 16 */ "DebugObject",
/* 17 */ "RegionField",
/* 18 */ "BankField",
/* 19 */ "IndexField",
/* 20 */ "Reference",
/* 21 */ "Alias",
/* 22 */ "MethodAlias",
/* 23 */ "Notify",
/* 24 */ "AddrHandler",
/* 25 */ "ResourceDesc",
/* 26 */ "ResourceFld",
/* 27 */ "Scope",
/* 28 */ "Extra",
/* 29 */ "Data",
/* 30 */ "Invalid"
};
char *
AcpiUtGetTypeName (
ACPI_OBJECT_TYPE Type)
{
if (Type > ACPI_TYPE_INVALID)
{
return (ACPI_CAST_PTR (char, AcpiGbl_BadType));
}
return (ACPI_CAST_PTR (char, AcpiGbl_NsTypeNames[Type]));
}
char *
AcpiUtGetObjectTypeName (
ACPI_OPERAND_OBJECT *ObjDesc)
{
if (!ObjDesc)
{
return ("[NULL Object Descriptor]");
}
return (AcpiUtGetTypeName (ObjDesc->Common.Type));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetNodeName
*
* PARAMETERS: Object - A namespace node
*
* RETURN: Pointer to a string
*
* DESCRIPTION: Validate the node and return the node's ACPI name.
*
******************************************************************************/
char *
AcpiUtGetNodeName (
void *Object)
{
ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) Object;
/* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */
if (!Object)
{
return ("NULL");
}
/* Check for Root node */
if ((Object == ACPI_ROOT_OBJECT) ||
(Object == AcpiGbl_RootNode))
{
return ("\"\\\" ");
}
/* Descriptor must be a namespace node */
if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
{
return ("####");
}
/*
* Ensure name is valid. The name was validated/repaired when the node
* was created, but make sure it has not been corrupted.
*/
AcpiUtRepairName (Node->Name.Ascii);
/* Return the name */
return (Node->Name.Ascii);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetDescriptorName
*
* PARAMETERS: Object - An ACPI object
*
* RETURN: Pointer to a string
*
* DESCRIPTION: Validate object and return the descriptor type
*
******************************************************************************/
/* Printable names of object descriptor types */
static const char *AcpiGbl_DescTypeNames[] =
{
/* 00 */ "Not a Descriptor",
/* 01 */ "Cached",
/* 02 */ "State-Generic",
/* 03 */ "State-Update",
/* 04 */ "State-Package",
/* 05 */ "State-Control",
/* 06 */ "State-RootParseScope",
/* 07 */ "State-ParseScope",
/* 08 */ "State-WalkScope",
/* 09 */ "State-Result",
/* 10 */ "State-Notify",
/* 11 */ "State-Thread",
/* 12 */ "Walk",
/* 13 */ "Parser",
/* 14 */ "Operand",
/* 15 */ "Node"
};
char *
AcpiUtGetDescriptorName (
void *Object)
{
if (!Object)
{
return ("NULL OBJECT");
}
if (ACPI_GET_DESCRIPTOR_TYPE (Object) > ACPI_DESC_TYPE_MAX)
{
return ("Not a Descriptor");
}
return (ACPI_CAST_PTR (char,
AcpiGbl_DescTypeNames[ACPI_GET_DESCRIPTOR_TYPE (Object)]));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetReferenceName
*
* PARAMETERS: Object - An ACPI reference object
*
* RETURN: Pointer to a string
*
* DESCRIPTION: Decode a reference object sub-type to a string.
*
******************************************************************************/
/* Printable names of reference object sub-types */
static const char *AcpiGbl_RefClassNames[] =
{
/* 00 */ "Local",
/* 01 */ "Argument",
/* 02 */ "RefOf",
/* 03 */ "Index",
/* 04 */ "DdbHandle",
/* 05 */ "Named Object",
/* 06 */ "Debug"
};
const char *
AcpiUtGetReferenceName (
ACPI_OPERAND_OBJECT *Object)
{
if (!Object)
{
return ("NULL Object");
}
if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
{
return ("Not an Operand object");
}
if (Object->Common.Type != ACPI_TYPE_LOCAL_REFERENCE)
{
return ("Not a Reference object");
}
if (Object->Reference.Class > ACPI_REFCLASS_MAX)
{
return ("Unknown Reference class");
}
return (AcpiGbl_RefClassNames[Object->Reference.Class]);
}
#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
/*
* Strings and procedures used for debug only
*/
/*******************************************************************************
*
* FUNCTION: AcpiUtGetMutexName
*
* PARAMETERS: MutexId - The predefined ID for this mutex.
*
* RETURN: String containing the name of the mutex. Always returns a valid
* pointer.
*
* DESCRIPTION: Translate a mutex ID into a name string (Debug only)
*
******************************************************************************/
char *
AcpiUtGetMutexName (
UINT32 MutexId)
{
if (MutexId > ACPI_MAX_MUTEX)
{
return ("Invalid Mutex ID");
}
return (AcpiGbl_MutexNames[MutexId]);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetNotifyName
*
* PARAMETERS: NotifyValue - Value from the Notify() request
*
* RETURN: String corresponding to the Notify Value.
*
* DESCRIPTION: Translate a Notify Value to a notify namestring.
*
******************************************************************************/
/* Names for Notify() values, used for debug output */
static const char *AcpiGbl_NotifyValueNames[] =
{
"Bus Check",
"Device Check",
"Device Wake",
"Eject Request",
"Device Check Light",
"Frequency Mismatch",
"Bus Mode Mismatch",
"Power Fault",
"Capabilities Check",
"Device PLD Check",
"Reserved",
"System Locality Update"
};
const char *
AcpiUtGetNotifyName (
UINT32 NotifyValue)
{
if (NotifyValue <= ACPI_NOTIFY_MAX)
{
return (AcpiGbl_NotifyValueNames[NotifyValue]);
}
else if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
{
return ("Reserved");
}
else /* Greater or equal to 0x80 */
{
return ("**Device Specific**");
}
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiUtValidObjectType
*
* PARAMETERS: Type - Object type to be validated
*
* RETURN: TRUE if valid object type, FALSE otherwise
*
* DESCRIPTION: Validate an object type
*
******************************************************************************/
BOOLEAN
AcpiUtValidObjectType (
ACPI_OBJECT_TYPE Type)
{
if (Type > ACPI_TYPE_LOCAL_MAX)
{
/* Note: Assumes all TYPEs are contiguous (external/local) */
return (FALSE);
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtInitGlobals
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Init library globals. All globals that require specific
* initialization should be initialized here!
*
******************************************************************************/
ACPI_STATUS
AcpiUtInitGlobals (
void)
{
ACPI_STATUS Status;
UINT32 i;
ACPI_FUNCTION_TRACE (UtInitGlobals);
/* Create all memory caches */
Status = AcpiUtCreateCaches ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Mutex locked flags */
for (i = 0; i < ACPI_NUM_MUTEX; i++)
{
AcpiGbl_MutexInfo[i].Mutex = NULL;
AcpiGbl_MutexInfo[i].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
AcpiGbl_MutexInfo[i].UseCount = 0;
}
for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++)
{
AcpiGbl_OwnerIdMask[i] = 0;
}
/* Last OwnerID is never valid */
AcpiGbl_OwnerIdMask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000;
/* Event counters */
AcpiMethodCount = 0;
AcpiSciCount = 0;
AcpiGpeCount = 0;
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
{
AcpiFixedEventCount[i] = 0;
}
/* GPE support */
AcpiGbl_GpeXruptListHead = NULL;
AcpiGbl_GpeFadtBlocks[0] = NULL;
AcpiGbl_GpeFadtBlocks[1] = NULL;
AcpiCurrentGpeCount = 0;
/* Global handlers */
AcpiGbl_SystemNotify.Handler = NULL;
AcpiGbl_DeviceNotify.Handler = NULL;
AcpiGbl_ExceptionHandler = NULL;
AcpiGbl_InitHandler = NULL;
AcpiGbl_TableHandler = NULL;
/* Global Lock support */
AcpiGbl_GlobalLockSemaphore = NULL;
AcpiGbl_GlobalLockMutex = NULL;
AcpiGbl_GlobalLockAcquired = FALSE;
AcpiGbl_GlobalLockHandle = 0;
AcpiGbl_GlobalLockPresent = FALSE;
/* Miscellaneous variables */
AcpiGbl_DSDT = NULL;
AcpiGbl_CmSingleStep = FALSE;
AcpiGbl_DbTerminateThreads = FALSE;
AcpiGbl_Shutdown = FALSE;
AcpiGbl_NsLookupCount = 0;
AcpiGbl_PsFindCount = 0;
AcpiGbl_AcpiHardwarePresent = TRUE;
AcpiGbl_LastOwnerIdIndex = 0;
AcpiGbl_NextOwnerIdOffset = 0;
AcpiGbl_TraceMethodName = 0;
AcpiGbl_TraceDbgLevel = 0;
AcpiGbl_TraceDbgLayer = 0;
AcpiGbl_DebuggerConfiguration = DEBUGGER_THREADING;
AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
AcpiGbl_OsiData = 0;
/* Hardware oriented */
AcpiGbl_EventsInitialized = FALSE;
AcpiGbl_SystemAwakeAndRunning = TRUE;
/* Namespace */
AcpiGbl_ModuleCodeList = NULL;
AcpiGbl_RootNode = NULL;
AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
AcpiGbl_RootNodeStruct.Parent = NULL;
AcpiGbl_RootNodeStruct.Child = NULL;
AcpiGbl_RootNodeStruct.Peer = NULL;
AcpiGbl_RootNodeStruct.Object = NULL;
#ifdef ACPI_DISASSEMBLER
AcpiGbl_ExternalList = NULL;
#endif
#ifdef ACPI_DEBUG_OUTPUT
AcpiGbl_LowestStackPointer = ACPI_CAST_PTR (ACPI_SIZE, ACPI_SIZE_MAX);
#endif
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
AcpiGbl_DisplayFinalMemStats = FALSE;
AcpiGbl_DisableMemTracking = FALSE;
#endif
return_ACPI_STATUS (AE_OK);
}
/* Public globals */
ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
ACPI_EXPORT_SYMBOL (AcpiGpeCount)
ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)

/drivers/devman/acpica/utilities/utids.c
0,0 → 1,497
/******************************************************************************
*
* Module Name: utids - support for device IDs - HID, UID, CID
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTIDS_C__
#include "acpi.h"
#include "accommon.h"
#include "acinterp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utids")
/* Local prototypes */
static void
AcpiUtCopyIdString (
char *Destination,
char *Source);
/*******************************************************************************
*
* FUNCTION: AcpiUtCopyIdString
*
* PARAMETERS: Destination - Where to copy the string
* Source - Source string
*
* RETURN: None
*
* DESCRIPTION: Copies an ID string for the _HID, _CID, and _UID methods.
* Performs removal of a leading asterisk if present -- workaround
* for a known issue on a bunch of machines.
*
******************************************************************************/
static void
AcpiUtCopyIdString (
char *Destination,
char *Source)
{
/*
* Workaround for ID strings that have a leading asterisk. This construct
* is not allowed by the ACPI specification (ID strings must be
* alphanumeric), but enough existing machines have this embedded in their
* ID strings that the following code is useful.
*/
if (*Source == '*')
{
Source++;
}
/* Do the actual copy */
ACPI_STRCPY (Destination, Source);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtExecute_HID
*
* PARAMETERS: DeviceNode - Node for the device
* ReturnId - Where the string HID is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _HID control method that returns the hardware
* ID of the device. The HID is either an 32-bit encoded EISAID
* Integer or a String. A string is always returned. An EISAID
* is converted to a string.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
ACPI_STATUS
AcpiUtExecute_HID (
ACPI_NAMESPACE_NODE *DeviceNode,
ACPI_DEVICE_ID **ReturnId)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_DEVICE_ID *Hid;
UINT32 Length;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtExecute_HID);
Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__HID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the size of the String to be returned, includes null terminator */
if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
{
Length = ACPI_EISAID_STRING_SIZE;
}
else
{
Length = ObjDesc->String.Length + 1;
}
/* Allocate a buffer for the HID */
Hid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DEVICE_ID) + (ACPI_SIZE) Length);
if (!Hid)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Area for the string starts after DEVICE_ID struct */
Hid->String = ACPI_ADD_PTR (char, Hid, sizeof (ACPI_DEVICE_ID));
/* Convert EISAID to a string or simply copy existing string */
if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
{
AcpiExEisaIdToString (Hid->String, ObjDesc->Integer.Value);
}
else
{
AcpiUtCopyIdString (Hid->String, ObjDesc->String.Pointer);
}
Hid->Length = Length;
*ReturnId = Hid;
Cleanup:
/* On exit, we must delete the return object */
AcpiUtRemoveReference (ObjDesc);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtExecute_UID
*
* PARAMETERS: DeviceNode - Node for the device
* ReturnId - Where the string UID is returned
*
* RETURN: Status
*
* DESCRIPTION: Executes the _UID control method that returns the unique
* ID of the device. The UID is either a 64-bit Integer (NOT an
* EISAID) or a string. Always returns a string. A 64-bit integer
* is converted to a decimal string.
*
* NOTE: Internal function, no parameter validation
*
******************************************************************************/
ACPI_STATUS
AcpiUtExecute_UID (
ACPI_NAMESPACE_NODE *DeviceNode,
ACPI_DEVICE_ID **ReturnId)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_DEVICE_ID *Uid;
UINT32 Length;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtExecute_UID);
Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__UID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the size of the String to be returned, includes null terminator */
if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
{
Length = ACPI_MAX64_DECIMAL_DIGITS + 1;
}
else
{
Length = ObjDesc->String.Length + 1;
}
/* Allocate a buffer for the UID */
Uid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DEVICE_ID) + (ACPI_SIZE) Length);
if (!Uid)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Area for the string starts after DEVICE_ID struct */
Uid->String = ACPI_ADD_PTR (char, Uid, sizeof (ACPI_DEVICE_ID));
/* Convert an Integer to string, or just copy an existing string */
if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
{
AcpiExIntegerToString (Uid->String, ObjDesc->Integer.Value);
}
else
{
AcpiUtCopyIdString (Uid->String, ObjDesc->String.Pointer);
}
Uid->Length = Length;
*ReturnId = Uid;
Cleanup:
/* On exit, we must delete the return object */
AcpiUtRemoveReference (ObjDesc);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtExecute_CID
*
* PARAMETERS: DeviceNode - Node for the device
* ReturnCidList - Where the CID list is returned
*
* RETURN: Status, list of CID strings
*
* DESCRIPTION: Executes the _CID control method that returns one or more
* compatible hardware IDs for the device.
*
* NOTE: Internal function, no parameter validation
*
* A _CID method can return either a single compatible ID or a package of
* compatible IDs. Each compatible ID can be one of the following:
* 1) Integer (32 bit compressed EISA ID) or
* 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
*
* The Integer CIDs are converted to string format by this function.
*
******************************************************************************/
ACPI_STATUS
AcpiUtExecute_CID (
ACPI_NAMESPACE_NODE *DeviceNode,
ACPI_DEVICE_ID_LIST **ReturnCidList)
{
ACPI_OPERAND_OBJECT **CidObjects;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_DEVICE_ID_LIST *CidList;
char *NextIdString;
UINT32 StringAreaSize;
UINT32 Length;
UINT32 CidListSize;
ACPI_STATUS Status;
UINT32 Count;
UINT32 i;
ACPI_FUNCTION_TRACE (UtExecute_CID);
/* Evaluate the _CID method for this device */
Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CID,
ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE,
&ObjDesc);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Get the count and size of the returned _CIDs. _CID can return either
* a Package of Integers/Strings or a single Integer or String.
* Note: This section also validates that all CID elements are of the
* correct type (Integer or String).
*/
if (ObjDesc->Common.Type == ACPI_TYPE_PACKAGE)
{
Count = ObjDesc->Package.Count;
CidObjects = ObjDesc->Package.Elements;
}
else /* Single Integer or String CID */
{
Count = 1;
CidObjects = &ObjDesc;
}
StringAreaSize = 0;
for (i = 0; i < Count; i++)
{
/* String lengths include null terminator */
switch (CidObjects[i]->Common.Type)
{
case ACPI_TYPE_INTEGER:
StringAreaSize += ACPI_EISAID_STRING_SIZE;
break;
case ACPI_TYPE_STRING:
StringAreaSize += CidObjects[i]->String.Length + 1;
break;
default:
Status = AE_TYPE;
goto Cleanup;
}
}
/*
* Now that we know the length of the CIDs, allocate return buffer:
* 1) Size of the base structure +
* 2) Size of the CID DEVICE_ID array +
* 3) Size of the actual CID strings
*/
CidListSize = sizeof (ACPI_DEVICE_ID_LIST) +
((Count - 1) * sizeof (ACPI_DEVICE_ID)) +
StringAreaSize;
CidList = ACPI_ALLOCATE_ZEROED (CidListSize);
if (!CidList)
{
Status = AE_NO_MEMORY;
goto Cleanup;
}
/* Area for CID strings starts after the CID DEVICE_ID array */
NextIdString = ACPI_CAST_PTR (char, CidList->Ids) +
((ACPI_SIZE) Count * sizeof (ACPI_DEVICE_ID));
/* Copy/convert the CIDs to the return buffer */
for (i = 0; i < Count; i++)
{
if (CidObjects[i]->Common.Type == ACPI_TYPE_INTEGER)
{
/* Convert the Integer (EISAID) CID to a string */
AcpiExEisaIdToString (NextIdString, CidObjects[i]->Integer.Value);
Length = ACPI_EISAID_STRING_SIZE;
}
else /* ACPI_TYPE_STRING */
{
/* Copy the String CID from the returned object */
AcpiUtCopyIdString (NextIdString, CidObjects[i]->String.Pointer);
Length = CidObjects[i]->String.Length + 1;
}
CidList->Ids[i].String = NextIdString;
CidList->Ids[i].Length = Length;
NextIdString += Length;
}
/* Finish the CID list */
CidList->Count = Count;
CidList->ListSize = CidListSize;
*ReturnCidList = CidList;
Cleanup:
/* On exit, we must delete the _CID return object */
AcpiUtRemoveReference (ObjDesc);
return_ACPI_STATUS (Status);
}

/drivers/devman/acpica/utilities/utinit.c
0,0 → 1,228
/******************************************************************************
*
* Module Name: utinit - Common ACPI subsystem initialization
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTINIT_C__
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
#include "acevents.h"
#include "actables.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utinit")
/* Local prototypes */
static void AcpiUtTerminate (
void);
/******************************************************************************
*
* FUNCTION: AcpiUtTerminate
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Free global memory
*
******************************************************************************/
static void
AcpiUtTerminate (
void)
{
ACPI_GPE_BLOCK_INFO *GpeBlock;
ACPI_GPE_BLOCK_INFO *NextGpeBlock;
ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
ACPI_GPE_XRUPT_INFO *NextGpeXruptInfo;
ACPI_FUNCTION_TRACE (UtTerminate);
/* Free global GPE blocks and related info structures */
GpeXruptInfo = AcpiGbl_GpeXruptListHead;
while (GpeXruptInfo)
{
GpeBlock = GpeXruptInfo->GpeBlockListHead;
while (GpeBlock)
{
NextGpeBlock = GpeBlock->Next;
ACPI_FREE (GpeBlock->EventInfo);
ACPI_FREE (GpeBlock->RegisterInfo);
ACPI_FREE (GpeBlock);
GpeBlock = NextGpeBlock;
}
NextGpeXruptInfo = GpeXruptInfo->Next;
ACPI_FREE (GpeXruptInfo);
GpeXruptInfo = NextGpeXruptInfo;
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtSubsystemShutdown
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Shutdown the various components. Do not delete the mutex
* objects here, because the AML debugger may be still running.
*
******************************************************************************/
void
AcpiUtSubsystemShutdown (
void)
{
ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
#ifndef ACPI_ASL_COMPILER
/* Close the AcpiEvent Handling */
AcpiEvTerminate ();
#endif
/* Close the Namespace */
AcpiNsTerminate ();
/* Delete the ACPI tables */
AcpiTbTerminate ();
/* Close the globals */
AcpiUtTerminate ();
/* Purge the local caches */
(void) AcpiUtDeleteCaches ();
return_VOID;
}

/drivers/devman/acpica/utilities/utlock.c
0,0 → 1,277
/******************************************************************************
*
* Module Name: utlock - Reader/Writer lock interfaces
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTLOCK_C__
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utlock")
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateRwLock
* AcpiUtDeleteRwLock
*
* PARAMETERS: Lock - Pointer to a valid RW lock
*
* RETURN: Status
*
* DESCRIPTION: Reader/writer lock creation and deletion interfaces.
*
******************************************************************************/
ACPI_STATUS
AcpiUtCreateRwLock (
ACPI_RW_LOCK *Lock)
{
ACPI_STATUS Status;
Lock->NumReaders = 0;
Status = AcpiOsCreateMutex (&Lock->ReaderMutex);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiOsCreateMutex (&Lock->WriterMutex);
return (Status);
}
void
AcpiUtDeleteRwLock (
ACPI_RW_LOCK *Lock)
{
AcpiOsDeleteMutex (Lock->ReaderMutex);
AcpiOsDeleteMutex (Lock->WriterMutex);
Lock->NumReaders = 0;
Lock->ReaderMutex = NULL;
Lock->WriterMutex = NULL;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAcquireReadLock
* AcpiUtReleaseReadLock
*
* PARAMETERS: Lock - Pointer to a valid RW lock
*
* RETURN: Status
*
* DESCRIPTION: Reader interfaces for reader/writer locks. On acquisition,
* only the first reader acquires the write mutex. On release,
* only the last reader releases the write mutex. Although this
* algorithm can in theory starve writers, this should not be a
* problem with ACPICA since the subsystem is infrequently used
* in comparison to (for example) an I/O system.
*
******************************************************************************/
ACPI_STATUS
AcpiUtAcquireReadLock (
ACPI_RW_LOCK *Lock)
{
ACPI_STATUS Status;
Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Acquire the write lock only for the first reader */
Lock->NumReaders++;
if (Lock->NumReaders == 1)
{
Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
}
AcpiOsReleaseMutex (Lock->ReaderMutex);
return (Status);
}
ACPI_STATUS
AcpiUtReleaseReadLock (
ACPI_RW_LOCK *Lock)
{
ACPI_STATUS Status;
Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Release the write lock only for the very last reader */
Lock->NumReaders--;
if (Lock->NumReaders == 0)
{
AcpiOsReleaseMutex (Lock->WriterMutex);
}
AcpiOsReleaseMutex (Lock->ReaderMutex);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAcquireWriteLock
* AcpiUtReleaseWriteLock
*
* PARAMETERS: Lock - Pointer to a valid RW lock
*
* RETURN: Status
*
* DESCRIPTION: Writer interfaces for reader/writer locks. Simply acquire or
* release the writer mutex associated with the lock. Acquisition
* of the lock is fully exclusive and will block all readers and
* writers until it is released.
*
******************************************************************************/
ACPI_STATUS
AcpiUtAcquireWriteLock (
ACPI_RW_LOCK *Lock)
{
ACPI_STATUS Status;
Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
return (Status);
}
void
AcpiUtReleaseWriteLock (
ACPI_RW_LOCK *Lock)
{
AcpiOsReleaseMutex (Lock->WriterMutex);
}

/drivers/devman/acpica/utilities/utmath.c
0,0 → 1,431
/*******************************************************************************
*
* Module Name: utmath - Integer math support routines
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTMATH_C__
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utmath")
/*
* Support for double-precision integer divide. This code is included here
* in order to support kernel environments where the double-precision math
* library is not available.
*/
#ifndef ACPI_USE_NATIVE_DIVIDE
/*******************************************************************************
*
* FUNCTION: AcpiUtShortDivide
*
* PARAMETERS: Dividend - 64-bit dividend
* Divisor - 32-bit divisor
* OutQuotient - Pointer to where the quotient is returned
* OutRemainder - Pointer to where the remainder is returned
*
* RETURN: Status (Checks for divide-by-zero)
*
* DESCRIPTION: Perform a short (maximum 64 bits divided by 32 bits)
* divide and modulo. The result is a 64-bit quotient and a
* 32-bit remainder.
*
******************************************************************************/
ACPI_STATUS
AcpiUtShortDivide (
UINT64 Dividend,
UINT32 Divisor,
UINT64 *OutQuotient,
UINT32 *OutRemainder)
{
UINT64_OVERLAY DividendOvl;
UINT64_OVERLAY Quotient;
UINT32 Remainder32;
ACPI_FUNCTION_TRACE (UtShortDivide);
/* Always check for a zero divisor */
if (Divisor == 0)
{
ACPI_ERROR ((AE_INFO, "Divide by zero"));
return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
}
DividendOvl.Full = Dividend;
/*
* The quotient is 64 bits, the remainder is always 32 bits,
* and is generated by the second divide.
*/
ACPI_DIV_64_BY_32 (0, DividendOvl.Part.Hi, Divisor,
Quotient.Part.Hi, Remainder32);
ACPI_DIV_64_BY_32 (Remainder32, DividendOvl.Part.Lo, Divisor,
Quotient.Part.Lo, Remainder32);
/* Return only what was requested */
if (OutQuotient)
{
*OutQuotient = Quotient.Full;
}
if (OutRemainder)
{
*OutRemainder = Remainder32;
}
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDivide
*
* PARAMETERS: InDividend - Dividend
* InDivisor - Divisor
* OutQuotient - Pointer to where the quotient is returned
* OutRemainder - Pointer to where the remainder is returned
*
* RETURN: Status (Checks for divide-by-zero)
*
* DESCRIPTION: Perform a divide and modulo.
*
******************************************************************************/
ACPI_STATUS
AcpiUtDivide (
UINT64 InDividend,
UINT64 InDivisor,
UINT64 *OutQuotient,
UINT64 *OutRemainder)
{
UINT64_OVERLAY Dividend;
UINT64_OVERLAY Divisor;
UINT64_OVERLAY Quotient;
UINT64_OVERLAY Remainder;
UINT64_OVERLAY NormalizedDividend;
UINT64_OVERLAY NormalizedDivisor;
UINT32 Partial1;
UINT64_OVERLAY Partial2;
UINT64_OVERLAY Partial3;
ACPI_FUNCTION_TRACE (UtDivide);
/* Always check for a zero divisor */
if (InDivisor == 0)
{
ACPI_ERROR ((AE_INFO, "Divide by zero"));
return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
}
Divisor.Full = InDivisor;
Dividend.Full = InDividend;
if (Divisor.Part.Hi == 0)
{
/*
* 1) Simplest case is where the divisor is 32 bits, we can
* just do two divides
*/
Remainder.Part.Hi = 0;
/*
* The quotient is 64 bits, the remainder is always 32 bits,
* and is generated by the second divide.
*/
ACPI_DIV_64_BY_32 (0, Dividend.Part.Hi, Divisor.Part.Lo,
Quotient.Part.Hi, Partial1);
ACPI_DIV_64_BY_32 (Partial1, Dividend.Part.Lo, Divisor.Part.Lo,
Quotient.Part.Lo, Remainder.Part.Lo);
}
else
{
/*
* 2) The general case where the divisor is a full 64 bits
* is more difficult
*/
Quotient.Part.Hi = 0;
NormalizedDividend = Dividend;
NormalizedDivisor = Divisor;
/* Normalize the operands (shift until the divisor is < 32 bits) */
do
{
ACPI_SHIFT_RIGHT_64 (NormalizedDivisor.Part.Hi,
NormalizedDivisor.Part.Lo);
ACPI_SHIFT_RIGHT_64 (NormalizedDividend.Part.Hi,
NormalizedDividend.Part.Lo);
} while (NormalizedDivisor.Part.Hi != 0);
/* Partial divide */
ACPI_DIV_64_BY_32 (NormalizedDividend.Part.Hi,
NormalizedDividend.Part.Lo,
NormalizedDivisor.Part.Lo,
Quotient.Part.Lo, Partial1);
/*
* The quotient is always 32 bits, and simply requires adjustment.
* The 64-bit remainder must be generated.
*/
Partial1 = Quotient.Part.Lo * Divisor.Part.Hi;
Partial2.Full = (UINT64) Quotient.Part.Lo * Divisor.Part.Lo;
Partial3.Full = (UINT64) Partial2.Part.Hi + Partial1;
Remainder.Part.Hi = Partial3.Part.Lo;
Remainder.Part.Lo = Partial2.Part.Lo;
if (Partial3.Part.Hi == 0)
{
if (Partial3.Part.Lo >= Dividend.Part.Hi)
{
if (Partial3.Part.Lo == Dividend.Part.Hi)
{
if (Partial2.Part.Lo > Dividend.Part.Lo)
{
Quotient.Part.Lo--;
Remainder.Full -= Divisor.Full;
}
}
else
{
Quotient.Part.Lo--;
Remainder.Full -= Divisor.Full;
}
}
Remainder.Full = Remainder.Full - Dividend.Full;
Remainder.Part.Hi = (UINT32) -((INT32) Remainder.Part.Hi);
Remainder.Part.Lo = (UINT32) -((INT32) Remainder.Part.Lo);
if (Remainder.Part.Lo)
{
Remainder.Part.Hi--;
}
}
}
/* Return only what was requested */
if (OutQuotient)
{
*OutQuotient = Quotient.Full;
}
if (OutRemainder)
{
*OutRemainder = Remainder.Full;
}
return_ACPI_STATUS (AE_OK);
}
#else
/*******************************************************************************
*
* FUNCTION: AcpiUtShortDivide, AcpiUtDivide
*
* PARAMETERS: See function headers above
*
* DESCRIPTION: Native versions of the UtDivide functions. Use these if either
* 1) The target is a 64-bit platform and therefore 64-bit
* integer math is supported directly by the machine.
* 2) The target is a 32-bit or 16-bit platform, and the
* double-precision integer math library is available to
* perform the divide.
*
******************************************************************************/
ACPI_STATUS
AcpiUtShortDivide (
UINT64 InDividend,
UINT32 Divisor,
UINT64 *OutQuotient,
UINT32 *OutRemainder)
{
ACPI_FUNCTION_TRACE (UtShortDivide);
/* Always check for a zero divisor */
if (Divisor == 0)
{
ACPI_ERROR ((AE_INFO, "Divide by zero"));
return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
}
/* Return only what was requested */
if (OutQuotient)
{
*OutQuotient = InDividend / Divisor;
}
if (OutRemainder)
{
*OutRemainder = (UINT32) (InDividend % Divisor);
}
return_ACPI_STATUS (AE_OK);
}
ACPI_STATUS
AcpiUtDivide (
UINT64 InDividend,
UINT64 InDivisor,
UINT64 *OutQuotient,
UINT64 *OutRemainder)
{
ACPI_FUNCTION_TRACE (UtDivide);
/* Always check for a zero divisor */
if (InDivisor == 0)
{
ACPI_ERROR ((AE_INFO, "Divide by zero"));
return_ACPI_STATUS (AE_AML_DIVIDE_BY_ZERO);
}
/* Return only what was requested */
if (OutQuotient)
{
*OutQuotient = InDividend / InDivisor;
}
if (OutRemainder)
{
*OutRemainder = InDividend % InDivisor;
}
return_ACPI_STATUS (AE_OK);
}
#endif

/drivers/devman/acpica/utilities/utmisc.c
0,0 → 1,1485
/*******************************************************************************
*
* Module Name: utmisc - common utility procedures
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTMISC_C__
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utmisc")
/*
* Common suffix for messages
*/
#define ACPI_COMMON_MSG_SUFFIX \
AcpiOsPrintf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, ModuleName, LineNumber)
/*******************************************************************************
*
* FUNCTION: AcpiUtValidateException
*
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
*
* RETURN: A string containing the exception text. NULL if exception is
* not valid.
*
* DESCRIPTION: This function validates and translates an ACPI exception into
* an ASCII string.
*
******************************************************************************/
const char *
AcpiUtValidateException (
ACPI_STATUS Status)
{
UINT32 SubStatus;
const char *Exception = NULL;
ACPI_FUNCTION_ENTRY ();
/*
* Status is composed of two parts, a "type" and an actual code
*/
SubStatus = (Status & ~AE_CODE_MASK);
switch (Status & AE_CODE_MASK)
{
case AE_CODE_ENVIRONMENTAL:
if (SubStatus <= AE_CODE_ENV_MAX)
{
Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
}
break;
case AE_CODE_PROGRAMMER:
if (SubStatus <= AE_CODE_PGM_MAX)
{
Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus];
}
break;
case AE_CODE_ACPI_TABLES:
if (SubStatus <= AE_CODE_TBL_MAX)
{
Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus];
}
break;
case AE_CODE_AML:
if (SubStatus <= AE_CODE_AML_MAX)
{
Exception = AcpiGbl_ExceptionNames_Aml [SubStatus];
}
break;
case AE_CODE_CONTROL:
if (SubStatus <= AE_CODE_CTRL_MAX)
{
Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus];
}
break;
default:
break;
}
return (ACPI_CAST_PTR (const char, Exception));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtIsPciRootBridge
*
* PARAMETERS: Id - The HID/CID in string format
*
* RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
*
* DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
*
******************************************************************************/
BOOLEAN
AcpiUtIsPciRootBridge (
char *Id)
{
/*
* Check if this is a PCI root bridge.
* ACPI 3.0+: check for a PCI Express root also.
*/
if (!(ACPI_STRCMP (Id,
PCI_ROOT_HID_STRING)) ||
!(ACPI_STRCMP (Id,
PCI_EXPRESS_ROOT_HID_STRING)))
{
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtIsAmlTable
*
* PARAMETERS: Table - An ACPI table
*
* RETURN: TRUE if table contains executable AML; FALSE otherwise
*
* DESCRIPTION: Check ACPI Signature for a table that contains AML code.
* Currently, these are DSDT,SSDT,PSDT. All other table types are
* data tables that do not contain AML code.
*
******************************************************************************/
BOOLEAN
AcpiUtIsAmlTable (
ACPI_TABLE_HEADER *Table)
{
/* These are the only tables that contain executable AML */
if (ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT) ||
ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_PSDT) ||
ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_SSDT))
{
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAllocateOwnerId
*
* PARAMETERS: OwnerId - Where the new owner ID is returned
*
* RETURN: Status
*
* DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
* track objects created by the table or method, to be deleted
* when the method exits or the table is unloaded.
*
******************************************************************************/
ACPI_STATUS
AcpiUtAllocateOwnerId (
ACPI_OWNER_ID *OwnerId)
{
UINT32 i;
UINT32 j;
UINT32 k;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtAllocateOwnerId);
/* Guard against multiple allocations of ID to the same location */
if (*OwnerId)
{
ACPI_ERROR ((AE_INFO, "Owner ID [0x%2.2X] already exists", *OwnerId));
return_ACPI_STATUS (AE_ALREADY_EXISTS);
}
/* Mutex for the global ID mask */
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Find a free owner ID, cycle through all possible IDs on repeated
* allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have
* to be scanned twice.
*/
for (i = 0, j = AcpiGbl_LastOwnerIdIndex;
i < (ACPI_NUM_OWNERID_MASKS + 1);
i++, j++)
{
if (j >= ACPI_NUM_OWNERID_MASKS)
{
j = 0; /* Wraparound to start of mask array */
}
for (k = AcpiGbl_NextOwnerIdOffset; k < 32; k++)
{
if (AcpiGbl_OwnerIdMask[j] == ACPI_UINT32_MAX)
{
/* There are no free IDs in this mask */
break;
}
if (!(AcpiGbl_OwnerIdMask[j] & (1 << k)))
{
/*
* Found a free ID. The actual ID is the bit index plus one,
* making zero an invalid Owner ID. Save this as the last ID
* allocated and update the global ID mask.
*/
AcpiGbl_OwnerIdMask[j] |= (1 << k);
AcpiGbl_LastOwnerIdIndex = (UINT8) j;
AcpiGbl_NextOwnerIdOffset = (UINT8) (k + 1);
/*
* Construct encoded ID from the index and bit position
*
* Note: Last [j].k (bit 255) is never used and is marked
* permanently allocated (prevents +1 overflow)
*/
*OwnerId = (ACPI_OWNER_ID) ((k + 1) + ACPI_MUL_32 (j));
ACPI_DEBUG_PRINT ((ACPI_DB_VALUES,
"Allocated OwnerId: %2.2X\n", (unsigned int) *OwnerId));
goto Exit;
}
}
AcpiGbl_NextOwnerIdOffset = 0;
}
/*
* All OwnerIds have been allocated. This typically should
* not happen since the IDs are reused after deallocation. The IDs are
* allocated upon table load (one per table) and method execution, and
* they are released when a table is unloaded or a method completes
* execution.
*
* If this error happens, there may be very deep nesting of invoked control
* methods, or there may be a bug where the IDs are not released.
*/
Status = AE_OWNER_ID_LIMIT;
ACPI_ERROR ((AE_INFO,
"Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
Exit:
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtReleaseOwnerId
*
* PARAMETERS: OwnerIdPtr - Pointer to a previously allocated OwnerID
*
* RETURN: None. No error is returned because we are either exiting a
* control method or unloading a table. Either way, we would
* ignore any error anyway.
*
* DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255
*
******************************************************************************/
void
AcpiUtReleaseOwnerId (
ACPI_OWNER_ID *OwnerIdPtr)
{
ACPI_OWNER_ID OwnerId = *OwnerIdPtr;
ACPI_STATUS Status;
UINT32 Index;
UINT32 Bit;
ACPI_FUNCTION_TRACE_U32 (UtReleaseOwnerId, OwnerId);
/* Always clear the input OwnerId (zero is an invalid ID) */
*OwnerIdPtr = 0;
/* Zero is not a valid OwnerID */
if (OwnerId == 0)
{
ACPI_ERROR ((AE_INFO, "Invalid OwnerId: 0x%2.2X", OwnerId));
return_VOID;
}
/* Mutex for the global ID mask */
Status = AcpiUtAcquireMutex (ACPI_MTX_CACHES);
if (ACPI_FAILURE (Status))
{
return_VOID;
}
/* Normalize the ID to zero */
OwnerId--;
/* Decode ID to index/offset pair */
Index = ACPI_DIV_32 (OwnerId);
Bit = 1 << ACPI_MOD_32 (OwnerId);
/* Free the owner ID only if it is valid */
if (AcpiGbl_OwnerIdMask[Index] & Bit)
{
AcpiGbl_OwnerIdMask[Index] ^= Bit;
}
else
{
ACPI_ERROR ((AE_INFO,
"Release of non-allocated OwnerId: 0x%2.2X", OwnerId + 1));
}
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrupr (strupr)
*
* PARAMETERS: SrcString - The source string to convert
*
* RETURN: None
*
* DESCRIPTION: Convert string to uppercase
*
* NOTE: This is not a POSIX function, so it appears here, not in utclib.c
*
******************************************************************************/
void
AcpiUtStrupr (
char *SrcString)
{
char *String;
ACPI_FUNCTION_ENTRY ();
if (!SrcString)
{
return;
}
/* Walk entire string, uppercasing the letters */
for (String = SrcString; *String; String++)
{
*String = (char) ACPI_TOUPPER (*String);
}
return;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtPrintString
*
* PARAMETERS: String - Null terminated ASCII string
* MaxLength - Maximum output length
*
* RETURN: None
*
* DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
* sequences.
*
******************************************************************************/
void
AcpiUtPrintString (
char *String,
UINT8 MaxLength)
{
UINT32 i;
if (!String)
{
AcpiOsPrintf ("<\"NULL STRING PTR\">");
return;
}
AcpiOsPrintf ("\"");
for (i = 0; String[i] && (i < MaxLength); i++)
{
/* Escape sequences */
switch (String[i])
{
case 0x07:
AcpiOsPrintf ("\\a"); /* BELL */
break;
case 0x08:
AcpiOsPrintf ("\\b"); /* BACKSPACE */
break;
case 0x0C:
AcpiOsPrintf ("\\f"); /* FORMFEED */
break;
case 0x0A:
AcpiOsPrintf ("\\n"); /* LINEFEED */
break;
case 0x0D:
AcpiOsPrintf ("\\r"); /* CARRIAGE RETURN*/
break;
case 0x09:
AcpiOsPrintf ("\\t"); /* HORIZONTAL TAB */
break;
case 0x0B:
AcpiOsPrintf ("\\v"); /* VERTICAL TAB */
break;
case '\'': /* Single Quote */
case '\"': /* Double Quote */
case '\\': /* Backslash */
AcpiOsPrintf ("\\%c", (int) String[i]);
break;
default:
/* Check for printable character or hex escape */
if (ACPI_IS_PRINT (String[i]))
{
/* This is a normal character */
AcpiOsPrintf ("%c", (int) String[i]);
}
else
{
/* All others will be Hex escapes */
AcpiOsPrintf ("\\x%2.2X", (INT32) String[i]);
}
break;
}
}
AcpiOsPrintf ("\"");
if (i == MaxLength && String[i])
{
AcpiOsPrintf ("...");
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDwordByteSwap
*
* PARAMETERS: Value - Value to be converted
*
* RETURN: UINT32 integer with bytes swapped
*
* DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
*
******************************************************************************/
UINT32
AcpiUtDwordByteSwap (
UINT32 Value)
{
union
{
UINT32 Value;
UINT8 Bytes[4];
} Out;
union
{
UINT32 Value;
UINT8 Bytes[4];
} In;
ACPI_FUNCTION_ENTRY ();
In.Value = Value;
Out.Bytes[0] = In.Bytes[3];
Out.Bytes[1] = In.Bytes[2];
Out.Bytes[2] = In.Bytes[1];
Out.Bytes[3] = In.Bytes[0];
return (Out.Value);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtSetIntegerWidth
*
* PARAMETERS: Revision From DSDT header
*
* RETURN: None
*
* DESCRIPTION: Set the global integer bit width based upon the revision
* of the DSDT. For Revision 1 and 0, Integers are 32 bits.
* For Revision 2 and above, Integers are 64 bits. Yes, this
* makes a difference.
*
******************************************************************************/
void
AcpiUtSetIntegerWidth (
UINT8 Revision)
{
if (Revision < 2)
{
/* 32-bit case */
AcpiGbl_IntegerBitWidth = 32;
AcpiGbl_IntegerNybbleWidth = 8;
AcpiGbl_IntegerByteWidth = 4;
}
else
{
/* 64-bit case (ACPI 2.0+) */
AcpiGbl_IntegerBitWidth = 64;
AcpiGbl_IntegerNybbleWidth = 16;
AcpiGbl_IntegerByteWidth = 8;
}
}
#ifdef ACPI_DEBUG_OUTPUT
/*******************************************************************************
*
* FUNCTION: AcpiUtDisplayInitPathname
*
* PARAMETERS: Type - Object type of the node
* ObjHandle - Handle whose pathname will be displayed
* Path - Additional path string to be appended.
* (NULL if no extra path)
*
* RETURN: ACPI_STATUS
*
* DESCRIPTION: Display full pathname of an object, DEBUG ONLY
*
******************************************************************************/
void
AcpiUtDisplayInitPathname (
UINT8 Type,
ACPI_NAMESPACE_NODE *ObjHandle,
char *Path)
{
ACPI_STATUS Status;
ACPI_BUFFER Buffer;
ACPI_FUNCTION_ENTRY ();
/* Only print the path if the appropriate debug level is enabled */
if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
{
return;
}
/* Get the full pathname to the node */
Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
if (ACPI_FAILURE (Status))
{
return;
}
/* Print what we're doing */
switch (Type)
{
case ACPI_TYPE_METHOD:
AcpiOsPrintf ("Executing ");
break;
default:
AcpiOsPrintf ("Initializing ");
break;
}
/* Print the object type and pathname */
AcpiOsPrintf ("%-12s %s",
AcpiUtGetTypeName (Type), (char *) Buffer.Pointer);
/* Extra path is used to append names like _STA, _INI, etc. */
if (Path)
{
AcpiOsPrintf (".%s", Path);
}
AcpiOsPrintf ("\n");
ACPI_FREE (Buffer.Pointer);
}
#endif
/*******************************************************************************
*
* FUNCTION: AcpiUtValidAcpiChar
*
* PARAMETERS: Char - The character to be examined
* Position - Byte position (0-3)
*
* RETURN: TRUE if the character is valid, FALSE otherwise
*
* DESCRIPTION: Check for a valid ACPI character. Must be one of:
* 1) Upper case alpha
* 2) numeric
* 3) underscore
*
* We allow a '!' as the last character because of the ASF! table
*
******************************************************************************/
BOOLEAN
AcpiUtValidAcpiChar (
char Character,
UINT32 Position)
{
if (!((Character >= 'A' && Character <= 'Z') ||
(Character >= '0' && Character <= '9') ||
(Character == '_')))
{
/* Allow a '!' in the last position */
if (Character == '!' && Position == 3)
{
return (TRUE);
}
return (FALSE);
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtValidAcpiName
*
* PARAMETERS: Name - The name to be examined
*
* RETURN: TRUE if the name is valid, FALSE otherwise
*
* DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
* 1) Upper case alpha
* 2) numeric
* 3) underscore
*
******************************************************************************/
BOOLEAN
AcpiUtValidAcpiName (
UINT32 Name)
{
UINT32 i;
ACPI_FUNCTION_ENTRY ();
for (i = 0; i < ACPI_NAME_SIZE; i++)
{
if (!AcpiUtValidAcpiChar ((ACPI_CAST_PTR (char, &Name))[i], i))
{
return (FALSE);
}
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtRepairName
*
* PARAMETERS: Name - The ACPI name to be repaired
*
* RETURN: Repaired version of the name
*
* DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
* return the new name. NOTE: the Name parameter must reside in
* read/write memory, cannot be a const.
*
* An ACPI Name must consist of valid ACPI characters. We will repair the name
* if necessary because we don't want to abort because of this, but we want
* all namespace names to be printable. A warning message is appropriate.
*
* This issue came up because there are in fact machines that exhibit
* this problem, and we want to be able to enable ACPI support for them,
* even though there are a few bad names.
*
******************************************************************************/
void
AcpiUtRepairName (
char *Name)
{
UINT32 i;
BOOLEAN FoundBadChar = FALSE;
ACPI_FUNCTION_NAME (UtRepairName);
/* Check each character in the name */
for (i = 0; i < ACPI_NAME_SIZE; i++)
{
if (AcpiUtValidAcpiChar (Name[i], i))
{
continue;
}
/*
* Replace a bad character with something printable, yet technically
* still invalid. This prevents any collisions with existing "good"
* names in the namespace.
*/
Name[i] = '*';
FoundBadChar = TRUE;
}
if (FoundBadChar)
{
/* Report warning only if in strict mode or debug mode */
if (!AcpiGbl_EnableInterpreterSlack)
{
ACPI_WARNING ((AE_INFO,
"Found bad character(s) in name, repaired: [%4.4s]\n", Name));
}
else
{
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Found bad character(s) in name, repaired: [%4.4s]\n", Name));
}
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtStrtoul64
*
* PARAMETERS: String - Null terminated string
* Base - Radix of the string: 16 or ACPI_ANY_BASE;
* ACPI_ANY_BASE means 'in behalf of ToInteger'
* RetInteger - Where the converted integer is returned
*
* RETURN: Status and Converted value
*
* DESCRIPTION: Convert a string into an unsigned value. Performs either a
* 32-bit or 64-bit conversion, depending on the current mode
* of the interpreter.
* NOTE: Does not support Octal strings, not needed.
*
******************************************************************************/
ACPI_STATUS
AcpiUtStrtoul64 (
char *String,
UINT32 Base,
UINT64 *RetInteger)
{
UINT32 ThisDigit = 0;
UINT64 ReturnValue = 0;
UINT64 Quotient;
UINT64 Dividend;
UINT32 ToIntegerOp = (Base == ACPI_ANY_BASE);
UINT32 Mode32 = (AcpiGbl_IntegerByteWidth == 4);
UINT8 ValidDigits = 0;
UINT8 SignOf0x = 0;
UINT8 Term = 0;
ACPI_FUNCTION_TRACE_STR (UtStroul64, String);
switch (Base)
{
case ACPI_ANY_BASE:
case 16:
break;
default:
/* Invalid Base */
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
if (!String)
{
goto ErrorExit;
}
/* Skip over any white space in the buffer */
while ((*String) && (ACPI_IS_SPACE (*String) || *String == '\t'))
{
String++;
}
if (ToIntegerOp)
{
/*
* Base equal to ACPI_ANY_BASE means 'ToInteger operation case'.
* We need to determine if it is decimal or hexadecimal.
*/
if ((*String == '0') && (ACPI_TOLOWER (*(String + 1)) == 'x'))
{
SignOf0x = 1;
Base = 16;
/* Skip over the leading '0x' */
String += 2;
}
else
{
Base = 10;
}
}
/* Any string left? Check that '0x' is not followed by white space. */
if (!(*String) || ACPI_IS_SPACE (*String) || *String == '\t')
{
if (ToIntegerOp)
{
goto ErrorExit;
}
else
{
goto AllDone;
}
}
/*
* Perform a 32-bit or 64-bit conversion, depending upon the current
* execution mode of the interpreter
*/
Dividend = (Mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
/* Main loop: convert the string to a 32- or 64-bit integer */
while (*String)
{
if (ACPI_IS_DIGIT (*String))
{
/* Convert ASCII 0-9 to Decimal value */
ThisDigit = ((UINT8) *String) - '0';
}
else if (Base == 10)
{
/* Digit is out of range; possible in ToInteger case only */
Term = 1;
}
else
{
ThisDigit = (UINT8) ACPI_TOUPPER (*String);
if (ACPI_IS_XDIGIT ((char) ThisDigit))
{
/* Convert ASCII Hex char to value */
ThisDigit = ThisDigit - 'A' + 10;
}
else
{
Term = 1;
}
}
if (Term)
{
if (ToIntegerOp)
{
goto ErrorExit;
}
else
{
break;
}
}
else if ((ValidDigits == 0) && (ThisDigit == 0) && !SignOf0x)
{
/* Skip zeros */
String++;
continue;
}
ValidDigits++;
if (SignOf0x && ((ValidDigits > 16) || ((ValidDigits > 8) && Mode32)))
{
/*
* This is ToInteger operation case.
* No any restrictions for string-to-integer conversion,
* see ACPI spec.
*/
goto ErrorExit;
}
/* Divide the digit into the correct position */
(void) AcpiUtShortDivide ((Dividend - (UINT64) ThisDigit),
Base, &Quotient, NULL);
if (ReturnValue > Quotient)
{
if (ToIntegerOp)
{
goto ErrorExit;
}
else
{
break;
}
}
ReturnValue *= Base;
ReturnValue += ThisDigit;
String++;
}
/* All done, normal exit */
AllDone:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
ACPI_FORMAT_UINT64 (ReturnValue)));
*RetInteger = ReturnValue;
return_ACPI_STATUS (AE_OK);
ErrorExit:
/* Base was set/validated above */
if (Base == 10)
{
return_ACPI_STATUS (AE_BAD_DECIMAL_CONSTANT);
}
else
{
return_ACPI_STATUS (AE_BAD_HEX_CONSTANT);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateUpdateStateAndPush
*
* PARAMETERS: Object - Object to be added to the new state
* Action - Increment/Decrement
* StateList - List the state will be added to
*
* RETURN: Status
*
* DESCRIPTION: Create a new state and push it
*
******************************************************************************/
ACPI_STATUS
AcpiUtCreateUpdateStateAndPush (
ACPI_OPERAND_OBJECT *Object,
UINT16 Action,
ACPI_GENERIC_STATE **StateList)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_ENTRY ();
/* Ignore null objects; these are expected */
if (!Object)
{
return (AE_OK);
}
State = AcpiUtCreateUpdateState (Object, Action);
if (!State)
{
return (AE_NO_MEMORY);
}
AcpiUtPushGenericState (StateList, State);
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtWalkPackageTree
*
* PARAMETERS: SourceObject - The package to walk
* TargetObject - Target object (if package is being copied)
* WalkCallback - Called once for each package element
* Context - Passed to the callback function
*
* RETURN: Status
*
* DESCRIPTION: Walk through a package
*
******************************************************************************/
ACPI_STATUS
AcpiUtWalkPackageTree (
ACPI_OPERAND_OBJECT *SourceObject,
void *TargetObject,
ACPI_PKG_CALLBACK WalkCallback,
void *Context)
{
ACPI_STATUS Status = AE_OK;
ACPI_GENERIC_STATE *StateList = NULL;
ACPI_GENERIC_STATE *State;
UINT32 ThisIndex;
ACPI_OPERAND_OBJECT *ThisSourceObj;
ACPI_FUNCTION_TRACE (UtWalkPackageTree);
State = AcpiUtCreatePkgState (SourceObject, TargetObject, 0);
if (!State)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
while (State)
{
/* Get one element of the package */
ThisIndex = State->Pkg.Index;
ThisSourceObj = (ACPI_OPERAND_OBJECT *)
State->Pkg.SourceObject->Package.Elements[ThisIndex];
/*
* Check for:
* 1) An uninitialized package element. It is completely
* legal to declare a package and leave it uninitialized
* 2) Not an internal object - can be a namespace node instead
* 3) Any type other than a package. Packages are handled in else
* case below.
*/
if ((!ThisSourceObj) ||
(ACPI_GET_DESCRIPTOR_TYPE (ThisSourceObj) != ACPI_DESC_TYPE_OPERAND) ||
(ThisSourceObj->Common.Type != ACPI_TYPE_PACKAGE))
{
Status = WalkCallback (ACPI_COPY_TYPE_SIMPLE, ThisSourceObj,
State, Context);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
State->Pkg.Index++;
while (State->Pkg.Index >= State->Pkg.SourceObject->Package.Count)
{
/*
* We've handled all of the objects at this level, This means
* that we have just completed a package. That package may
* have contained one or more packages itself.
*
* Delete this state and pop the previous state (package).
*/
AcpiUtDeleteGenericState (State);
State = AcpiUtPopGenericState (&StateList);
/* Finished when there are no more states */
if (!State)
{
/*
* We have handled all of the objects in the top level
* package just add the length of the package objects
* and exit
*/
return_ACPI_STATUS (AE_OK);
}
/*
* Go back up a level and move the index past the just
* completed package object.
*/
State->Pkg.Index++;
}
}
else
{
/* This is a subobject of type package */
Status = WalkCallback (ACPI_COPY_TYPE_PACKAGE, ThisSourceObj,
State, Context);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Push the current state and create a new one
* The callback above returned a new target package object.
*/
AcpiUtPushGenericState (&StateList, State);
State = AcpiUtCreatePkgState (ThisSourceObj,
State->Pkg.ThisTargetObj, 0);
if (!State)
{
/* Free any stacked Update State objects */
while (StateList)
{
State = AcpiUtPopGenericState (&StateList);
AcpiUtDeleteGenericState (State);
}
return_ACPI_STATUS (AE_NO_MEMORY);
}
}
}
/* We should never get here */
return_ACPI_STATUS (AE_AML_INTERNAL);
}
/*******************************************************************************
*
* FUNCTION: AcpiError, AcpiException, AcpiWarning, AcpiInfo
*
* PARAMETERS: ModuleName - Caller's module name (for error output)
* LineNumber - Caller's line number (for error output)
* Format - Printf format string + additional args
*
* RETURN: None
*
* DESCRIPTION: Print message with module/line/version info
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiError (
const char *ModuleName,
UINT32 LineNumber,
const char *Format,
...)
{
va_list args;
AcpiOsPrintf ("ACPI Error: ");
va_start (args, Format);
AcpiOsVprintf (Format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end (args);
}
void ACPI_INTERNAL_VAR_XFACE
AcpiException (
const char *ModuleName,
UINT32 LineNumber,
ACPI_STATUS Status,
const char *Format,
...)
{
va_list args;
AcpiOsPrintf ("ACPI Exception: %s, ", AcpiFormatException (Status));
va_start (args, Format);
AcpiOsVprintf (Format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end (args);
}
void ACPI_INTERNAL_VAR_XFACE
AcpiWarning (
const char *ModuleName,
UINT32 LineNumber,
const char *Format,
...)
{
va_list args;
AcpiOsPrintf ("ACPI Warning: ");
va_start (args, Format);
AcpiOsVprintf (Format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end (args);
}
void ACPI_INTERNAL_VAR_XFACE
AcpiInfo (
const char *ModuleName,
UINT32 LineNumber,
const char *Format,
...)
{
va_list args;
AcpiOsPrintf ("ACPI: ");
va_start (args, Format);
AcpiOsVprintf (Format, args);
AcpiOsPrintf ("\n");
va_end (args);
}
ACPI_EXPORT_SYMBOL (AcpiError)
ACPI_EXPORT_SYMBOL (AcpiException)
ACPI_EXPORT_SYMBOL (AcpiWarning)
ACPI_EXPORT_SYMBOL (AcpiInfo)
/*******************************************************************************
*
* FUNCTION: AcpiUtPredefinedWarning
*
* PARAMETERS: ModuleName - Caller's module name (for error output)
* LineNumber - Caller's line number (for error output)
* Pathname - Full pathname to the node
* NodeFlags - From Namespace node for the method/object
* Format - Printf format string + additional args
*
* RETURN: None
*
* DESCRIPTION: Warnings for the predefined validation module. Messages are
* only emitted the first time a problem with a particular
* method/object is detected. This prevents a flood of error
* messages for methods that are repeatedly evaluated.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiUtPredefinedWarning (
const char *ModuleName,
UINT32 LineNumber,
char *Pathname,
UINT8 NodeFlags,
const char *Format,
...)
{
va_list args;
/*
* Warning messages for this method/object will be disabled after the
* first time a validation fails or an object is successfully repaired.
*/
if (NodeFlags & ANOBJ_EVALUATED)
{
return;
}
AcpiOsPrintf ("ACPI Warning for %s: ", Pathname);
va_start (args, Format);
AcpiOsVprintf (Format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end (args);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtPredefinedInfo
*
* PARAMETERS: ModuleName - Caller's module name (for error output)
* LineNumber - Caller's line number (for error output)
* Pathname - Full pathname to the node
* NodeFlags - From Namespace node for the method/object
* Format - Printf format string + additional args
*
* RETURN: None
*
* DESCRIPTION: Info messages for the predefined validation module. Messages
* are only emitted the first time a problem with a particular
* method/object is detected. This prevents a flood of
* messages for methods that are repeatedly evaluated.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiUtPredefinedInfo (
const char *ModuleName,
UINT32 LineNumber,
char *Pathname,
UINT8 NodeFlags,
const char *Format,
...)
{
va_list args;
/*
* Warning messages for this method/object will be disabled after the
* first time a validation fails or an object is successfully repaired.
*/
if (NodeFlags & ANOBJ_EVALUATED)
{
return;
}
AcpiOsPrintf ("ACPI Info for %s: ", Pathname);
va_start (args, Format);
AcpiOsVprintf (Format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end (args);
}

/drivers/devman/acpica/utilities/utmutex.c
0,0 → 1,465
/*******************************************************************************
*
* Module Name: utmutex - local mutex support
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTMUTEX_C__
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utmutex")
/* Local prototypes */
static ACPI_STATUS
AcpiUtCreateMutex (
ACPI_MUTEX_HANDLE MutexId);
static void
AcpiUtDeleteMutex (
ACPI_MUTEX_HANDLE MutexId);
/*******************************************************************************
*
* FUNCTION: AcpiUtMutexInitialize
*
* PARAMETERS: None.
*
* RETURN: Status
*
* DESCRIPTION: Create the system mutex objects. This includes mutexes,
* spin locks, and reader/writer locks.
*
******************************************************************************/
ACPI_STATUS
AcpiUtMutexInitialize (
void)
{
UINT32 i;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtMutexInitialize);
/* Create each of the predefined mutex objects */
for (i = 0; i < ACPI_NUM_MUTEX; i++)
{
Status = AcpiUtCreateMutex (i);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/* Create the spinlocks for use at interrupt level */
Status = AcpiOsCreateLock (&AcpiGbl_GpeLock);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
Status = AcpiOsCreateLock (&AcpiGbl_HardwareLock);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Create the reader/writer lock for namespace access */
Status = AcpiUtCreateRwLock (&AcpiGbl_NamespaceRwLock);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtMutexTerminate
*
* PARAMETERS: None.
*
* RETURN: None.
*
* DESCRIPTION: Delete all of the system mutex objects. This includes mutexes,
* spin locks, and reader/writer locks.
*
******************************************************************************/
void
AcpiUtMutexTerminate (
void)
{
UINT32 i;
ACPI_FUNCTION_TRACE (UtMutexTerminate);
/* Delete each predefined mutex object */
for (i = 0; i < ACPI_NUM_MUTEX; i++)
{
AcpiUtDeleteMutex (i);
}
/* Delete the spinlocks */
AcpiOsDeleteLock (AcpiGbl_GpeLock);
AcpiOsDeleteLock (AcpiGbl_HardwareLock);
/* Delete the reader/writer lock */
AcpiUtDeleteRwLock (&AcpiGbl_NamespaceRwLock);
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateMutex
*
* PARAMETERS: MutexID - ID of the mutex to be created
*
* RETURN: Status
*
* DESCRIPTION: Create a mutex object.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtCreateMutex (
ACPI_MUTEX_HANDLE MutexId)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE_U32 (UtCreateMutex, MutexId);
if (!AcpiGbl_MutexInfo[MutexId].Mutex)
{
Status = AcpiOsCreateMutex (&AcpiGbl_MutexInfo[MutexId].Mutex);
AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
AcpiGbl_MutexInfo[MutexId].UseCount = 0;
}
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteMutex
*
* PARAMETERS: MutexID - ID of the mutex to be deleted
*
* RETURN: Status
*
* DESCRIPTION: Delete a mutex object.
*
******************************************************************************/
static void
AcpiUtDeleteMutex (
ACPI_MUTEX_HANDLE MutexId)
{
ACPI_FUNCTION_TRACE_U32 (UtDeleteMutex, MutexId);
AcpiOsDeleteMutex (AcpiGbl_MutexInfo[MutexId].Mutex);
AcpiGbl_MutexInfo[MutexId].Mutex = NULL;
AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAcquireMutex
*
* PARAMETERS: MutexID - ID of the mutex to be acquired
*
* RETURN: Status
*
* DESCRIPTION: Acquire a mutex object.
*
******************************************************************************/
ACPI_STATUS
AcpiUtAcquireMutex (
ACPI_MUTEX_HANDLE MutexId)
{
ACPI_STATUS Status;
ACPI_THREAD_ID ThisThreadId;
ACPI_FUNCTION_NAME (UtAcquireMutex);
if (MutexId > ACPI_MAX_MUTEX)
{
return (AE_BAD_PARAMETER);
}
ThisThreadId = AcpiOsGetThreadId ();
#ifdef ACPI_MUTEX_DEBUG
{
UINT32 i;
/*
* Mutex debug code, for internal debugging only.
*
* Deadlock prevention. Check if this thread owns any mutexes of value
* greater than or equal to this one. If so, the thread has violated
* the mutex ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
for (i = MutexId; i < ACPI_NUM_MUTEX; i++)
{
if (AcpiGbl_MutexInfo[i].ThreadId == ThisThreadId)
{
if (i == MutexId)
{
ACPI_ERROR ((AE_INFO,
"Mutex [%s] already acquired by this thread [%p]",
AcpiUtGetMutexName (MutexId),
ACPI_CAST_PTR (void, ThisThreadId)));
return (AE_ALREADY_ACQUIRED);
}
ACPI_ERROR ((AE_INFO,
"Invalid acquire order: Thread %p owns [%s], wants [%s]",
ACPI_CAST_PTR (void, ThisThreadId), AcpiUtGetMutexName (i),
AcpiUtGetMutexName (MutexId)));
return (AE_ACQUIRE_DEADLOCK);
}
}
}
#endif
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
"Thread %p attempting to acquire Mutex [%s]\n",
ACPI_CAST_PTR (void, ThisThreadId), AcpiUtGetMutexName (MutexId)));
Status = AcpiOsAcquireMutex (AcpiGbl_MutexInfo[MutexId].Mutex,
ACPI_WAIT_FOREVER);
if (ACPI_SUCCESS (Status))
{
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %p acquired Mutex [%s]\n",
ACPI_CAST_PTR (void, ThisThreadId), AcpiUtGetMutexName (MutexId)));
AcpiGbl_MutexInfo[MutexId].UseCount++;
AcpiGbl_MutexInfo[MutexId].ThreadId = ThisThreadId;
}
else
{
ACPI_EXCEPTION ((AE_INFO, Status,
"Thread %p could not acquire Mutex [0x%X]",
ACPI_CAST_PTR (void, ThisThreadId), MutexId));
}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtReleaseMutex
*
* PARAMETERS: MutexID - ID of the mutex to be released
*
* RETURN: Status
*
* DESCRIPTION: Release a mutex object.
*
******************************************************************************/
ACPI_STATUS
AcpiUtReleaseMutex (
ACPI_MUTEX_HANDLE MutexId)
{
ACPI_THREAD_ID ThisThreadId;
ACPI_FUNCTION_NAME (UtReleaseMutex);
ThisThreadId = AcpiOsGetThreadId ();
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %p releasing Mutex [%s]\n",
ACPI_CAST_PTR (void, ThisThreadId), AcpiUtGetMutexName (MutexId)));
if (MutexId > ACPI_MAX_MUTEX)
{
return (AE_BAD_PARAMETER);
}
/*
* Mutex must be acquired in order to release it!
*/
if (AcpiGbl_MutexInfo[MutexId].ThreadId == ACPI_MUTEX_NOT_ACQUIRED)
{
ACPI_ERROR ((AE_INFO,
"Mutex [0x%X] is not acquired, cannot release", MutexId));
return (AE_NOT_ACQUIRED);
}
#ifdef ACPI_MUTEX_DEBUG
{
UINT32 i;
/*
* Mutex debug code, for internal debugging only.
*
* Deadlock prevention. Check if this thread owns any mutexes of value
* greater than this one. If so, the thread has violated the mutex
* ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
for (i = MutexId; i < ACPI_NUM_MUTEX; i++)
{
if (AcpiGbl_MutexInfo[i].ThreadId == ThisThreadId)
{
if (i == MutexId)
{
continue;
}
ACPI_ERROR ((AE_INFO,
"Invalid release order: owns [%s], releasing [%s]",
AcpiUtGetMutexName (i), AcpiUtGetMutexName (MutexId)));
return (AE_RELEASE_DEADLOCK);
}
}
}
#endif
/* Mark unlocked FIRST */
AcpiGbl_MutexInfo[MutexId].ThreadId = ACPI_MUTEX_NOT_ACQUIRED;
AcpiOsReleaseMutex (AcpiGbl_MutexInfo[MutexId].Mutex);
return (AE_OK);
}

/drivers/devman/acpica/utilities/utobject.c
0,0 → 1,859
/******************************************************************************
*
* Module Name: utobject - ACPI object create/delete/size/cache routines
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTOBJECT_C__
#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utobject")
/* Local prototypes */
static ACPI_STATUS
AcpiUtGetSimpleObjectSize (
ACPI_OPERAND_OBJECT *Obj,
ACPI_SIZE *ObjLength);
static ACPI_STATUS
AcpiUtGetPackageObjectSize (
ACPI_OPERAND_OBJECT *Obj,
ACPI_SIZE *ObjLength);
static ACPI_STATUS
AcpiUtGetElementLength (
UINT8 ObjectType,
ACPI_OPERAND_OBJECT *SourceObject,
ACPI_GENERIC_STATE *State,
void *Context);
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateInternalObjectDbg
*
* PARAMETERS: ModuleName - Source file name of caller
* LineNumber - Line number of caller
* ComponentId - Component type of caller
* Type - ACPI Type of the new object
*
* RETURN: A new internal object, null on failure
*
* DESCRIPTION: Create and initialize a new internal object.
*
* NOTE: We always allocate the worst-case object descriptor because
* these objects are cached, and we want them to be
* one-size-satisifies-any-request. This in itself may not be
* the most memory efficient, but the efficiency of the object
* cache should more than make up for this!
*
******************************************************************************/
ACPI_OPERAND_OBJECT *
AcpiUtCreateInternalObjectDbg (
const char *ModuleName,
UINT32 LineNumber,
UINT32 ComponentId,
ACPI_OBJECT_TYPE Type)
{
ACPI_OPERAND_OBJECT *Object;
ACPI_OPERAND_OBJECT *SecondObject;
ACPI_FUNCTION_TRACE_STR (UtCreateInternalObjectDbg,
AcpiUtGetTypeName (Type));
/* Allocate the raw object descriptor */
Object = AcpiUtAllocateObjectDescDbg (ModuleName, LineNumber, ComponentId);
if (!Object)
{
return_PTR (NULL);
}
switch (Type)
{
case ACPI_TYPE_REGION:
case ACPI_TYPE_BUFFER_FIELD:
case ACPI_TYPE_LOCAL_BANK_FIELD:
/* These types require a secondary object */
SecondObject = AcpiUtAllocateObjectDescDbg (ModuleName,
LineNumber, ComponentId);
if (!SecondObject)
{
AcpiUtDeleteObjectDesc (Object);
return_PTR (NULL);
}
SecondObject->Common.Type = ACPI_TYPE_LOCAL_EXTRA;
SecondObject->Common.ReferenceCount = 1;
/* Link the second object to the first */
Object->Common.NextObject = SecondObject;
break;
default:
/* All others have no secondary object */
break;
}
/* Save the object type in the object descriptor */
Object->Common.Type = (UINT8) Type;
/* Init the reference count */
Object->Common.ReferenceCount = 1;
/* Any per-type initialization should go here */
return_PTR (Object);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreatePackageObject
*
* PARAMETERS: Count - Number of package elements
*
* RETURN: Pointer to a new Package object, null on failure
*
* DESCRIPTION: Create a fully initialized package object
*
******************************************************************************/
ACPI_OPERAND_OBJECT *
AcpiUtCreatePackageObject (
UINT32 Count)
{
ACPI_OPERAND_OBJECT *PackageDesc;
ACPI_OPERAND_OBJECT **PackageElements;
ACPI_FUNCTION_TRACE_U32 (UtCreatePackageObject, Count);
/* Create a new Package object */
PackageDesc = AcpiUtCreateInternalObject (ACPI_TYPE_PACKAGE);
if (!PackageDesc)
{
return_PTR (NULL);
}
/*
* Create the element array. Count+1 allows the array to be null
* terminated.
*/
PackageElements = ACPI_ALLOCATE_ZEROED (
((ACPI_SIZE) Count + 1) * sizeof (void *));
if (!PackageElements)
{
ACPI_FREE (PackageDesc);
return_PTR (NULL);
}
PackageDesc->Package.Count = Count;
PackageDesc->Package.Elements = PackageElements;
return_PTR (PackageDesc);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateIntegerObject
*
* PARAMETERS: InitialValue - Initial value for the integer
*
* RETURN: Pointer to a new Integer object, null on failure
*
* DESCRIPTION: Create an initialized integer object
*
******************************************************************************/
ACPI_OPERAND_OBJECT *
AcpiUtCreateIntegerObject (
UINT64 InitialValue)
{
ACPI_OPERAND_OBJECT *IntegerDesc;
ACPI_FUNCTION_TRACE (UtCreateIntegerObject);
/* Create and initialize a new integer object */
IntegerDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!IntegerDesc)
{
return_PTR (NULL);
}
IntegerDesc->Integer.Value = InitialValue;
return_PTR (IntegerDesc);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateBufferObject
*
* PARAMETERS: BufferSize - Size of buffer to be created
*
* RETURN: Pointer to a new Buffer object, null on failure
*
* DESCRIPTION: Create a fully initialized buffer object
*
******************************************************************************/
ACPI_OPERAND_OBJECT *
AcpiUtCreateBufferObject (
ACPI_SIZE BufferSize)
{
ACPI_OPERAND_OBJECT *BufferDesc;
UINT8 *Buffer = NULL;
ACPI_FUNCTION_TRACE_U32 (UtCreateBufferObject, BufferSize);
/* Create a new Buffer object */
BufferDesc = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER);
if (!BufferDesc)
{
return_PTR (NULL);
}
/* Create an actual buffer only if size > 0 */
if (BufferSize > 0)
{
/* Allocate the actual buffer */
Buffer = ACPI_ALLOCATE_ZEROED (BufferSize);
if (!Buffer)
{
ACPI_ERROR ((AE_INFO, "Could not allocate size %u",
(UINT32) BufferSize));
AcpiUtRemoveReference (BufferDesc);
return_PTR (NULL);
}
}
/* Complete buffer object initialization */
BufferDesc->Buffer.Flags |= AOPOBJ_DATA_VALID;
BufferDesc->Buffer.Pointer = Buffer;
BufferDesc->Buffer.Length = (UINT32) BufferSize;
/* Return the new buffer descriptor */
return_PTR (BufferDesc);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateStringObject
*
* PARAMETERS: StringSize - Size of string to be created. Does not
* include NULL terminator, this is added
* automatically.
*
* RETURN: Pointer to a new String object
*
* DESCRIPTION: Create a fully initialized string object
*
******************************************************************************/
ACPI_OPERAND_OBJECT *
AcpiUtCreateStringObject (
ACPI_SIZE StringSize)
{
ACPI_OPERAND_OBJECT *StringDesc;
char *String;
ACPI_FUNCTION_TRACE_U32 (UtCreateStringObject, StringSize);
/* Create a new String object */
StringDesc = AcpiUtCreateInternalObject (ACPI_TYPE_STRING);
if (!StringDesc)
{
return_PTR (NULL);
}
/*
* Allocate the actual string buffer -- (Size + 1) for NULL terminator.
* NOTE: Zero-length strings are NULL terminated
*/
String = ACPI_ALLOCATE_ZEROED (StringSize + 1);
if (!String)
{
ACPI_ERROR ((AE_INFO, "Could not allocate size %u",
(UINT32) StringSize));
AcpiUtRemoveReference (StringDesc);
return_PTR (NULL);
}
/* Complete string object initialization */
StringDesc->String.Pointer = String;
StringDesc->String.Length = (UINT32) StringSize;
/* Return the new string descriptor */
return_PTR (StringDesc);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtValidInternalObject
*
* PARAMETERS: Object - Object to be validated
*
* RETURN: TRUE if object is valid, FALSE otherwise
*
* DESCRIPTION: Validate a pointer to be an ACPI_OPERAND_OBJECT
*
******************************************************************************/
BOOLEAN
AcpiUtValidInternalObject (
void *Object)
{
ACPI_FUNCTION_NAME (UtValidInternalObject);
/* Check for a null pointer */
if (!Object)
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "**** Null Object Ptr\n"));
return (FALSE);
}
/* Check the descriptor type field */
switch (ACPI_GET_DESCRIPTOR_TYPE (Object))
{
case ACPI_DESC_TYPE_OPERAND:
/* The object appears to be a valid ACPI_OPERAND_OBJECT */
return (TRUE);
default:
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"%p is not not an ACPI operand obj [%s]\n",
Object, AcpiUtGetDescriptorName (Object)));
break;
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAllocateObjectDescDbg
*
* PARAMETERS: ModuleName - Caller's module name (for error output)
* LineNumber - Caller's line number (for error output)
* ComponentId - Caller's component ID (for error output)
*
* RETURN: Pointer to newly allocated object descriptor. Null on error
*
* DESCRIPTION: Allocate a new object descriptor. Gracefully handle
* error conditions.
*
******************************************************************************/
void *
AcpiUtAllocateObjectDescDbg (
const char *ModuleName,
UINT32 LineNumber,
UINT32 ComponentId)
{
ACPI_OPERAND_OBJECT *Object;
ACPI_FUNCTION_TRACE (UtAllocateObjectDescDbg);
Object = AcpiOsAcquireObject (AcpiGbl_OperandCache);
if (!Object)
{
ACPI_ERROR ((ModuleName, LineNumber,
"Could not allocate an object descriptor"));
return_PTR (NULL);
}
/* Mark the descriptor type */
ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_OPERAND);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
Object, (UINT32) sizeof (ACPI_OPERAND_OBJECT)));
return_PTR (Object);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteObjectDesc
*
* PARAMETERS: Object - An Acpi internal object to be deleted
*
* RETURN: None.
*
* DESCRIPTION: Free an ACPI object descriptor or add it to the object cache
*
******************************************************************************/
void
AcpiUtDeleteObjectDesc (
ACPI_OPERAND_OBJECT *Object)
{
ACPI_FUNCTION_TRACE_PTR (UtDeleteObjectDesc, Object);
/* Object must be an ACPI_OPERAND_OBJECT */
if (ACPI_GET_DESCRIPTOR_TYPE (Object) != ACPI_DESC_TYPE_OPERAND)
{
ACPI_ERROR ((AE_INFO,
"%p is not an ACPI Operand object [%s]", Object,
AcpiUtGetDescriptorName (Object)));
return_VOID;
}
(void) AcpiOsReleaseObject (AcpiGbl_OperandCache, Object);
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetSimpleObjectSize
*
* PARAMETERS: InternalObject - An ACPI operand object
* ObjLength - Where the length is returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to determine the space required to
* contain a simple object for return to an external user.
*
* The length includes the object structure plus any additional
* needed space.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtGetSimpleObjectSize (
ACPI_OPERAND_OBJECT *InternalObject,
ACPI_SIZE *ObjLength)
{
ACPI_SIZE Length;
ACPI_SIZE Size;
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE_PTR (UtGetSimpleObjectSize, InternalObject);
/* Start with the length of the (external) Acpi object */
Length = sizeof (ACPI_OBJECT);
/* A NULL object is allowed, can be a legal uninitialized package element */
if (!InternalObject)
{
/*
* Object is NULL, just return the length of ACPI_OBJECT
* (A NULL ACPI_OBJECT is an object of all zeroes.)
*/
*ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
return_ACPI_STATUS (AE_OK);
}
/* A Namespace Node should never appear here */
if (ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_NAMED)
{
/* A namespace node should never get here */
return_ACPI_STATUS (AE_AML_INTERNAL);
}
/*
* The final length depends on the object type
* Strings and Buffers are packed right up against the parent object and
* must be accessed bytewise or there may be alignment problems on
* certain processors
*/
switch (InternalObject->Common.Type)
{
case ACPI_TYPE_STRING:
Length += (ACPI_SIZE) InternalObject->String.Length + 1;
break;
case ACPI_TYPE_BUFFER:
Length += (ACPI_SIZE) InternalObject->Buffer.Length;
break;
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_POWER:
/* No extra data for these types */
break;
case ACPI_TYPE_LOCAL_REFERENCE:
switch (InternalObject->Reference.Class)
{
case ACPI_REFCLASS_NAME:
/*
* Get the actual length of the full pathname to this object.
* The reference will be converted to the pathname to the object
*/
Size = AcpiNsGetPathnameLength (InternalObject->Reference.Node);
if (!Size)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
Length += ACPI_ROUND_UP_TO_NATIVE_WORD (Size);
break;
default:
/*
* No other reference opcodes are supported.
* Notably, Locals and Args are not supported, but this may be
* required eventually.
*/
ACPI_ERROR ((AE_INFO, "Cannot convert to external object - "
"unsupported Reference Class [%s] 0x%X in object %p",
AcpiUtGetReferenceName (InternalObject),
InternalObject->Reference.Class, InternalObject));
Status = AE_TYPE;
break;
}
break;
default:
ACPI_ERROR ((AE_INFO, "Cannot convert to external object - "
"unsupported type [%s] 0x%X in object %p",
AcpiUtGetObjectTypeName (InternalObject),
InternalObject->Common.Type, InternalObject));
Status = AE_TYPE;
break;
}
/*
* Account for the space required by the object rounded up to the next
* multiple of the machine word size. This keeps each object aligned
* on a machine word boundary. (preventing alignment faults on some
* machines.)
*/
*ObjLength = ACPI_ROUND_UP_TO_NATIVE_WORD (Length);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetElementLength
*
* PARAMETERS: ACPI_PKG_CALLBACK
*
* RETURN: Status
*
* DESCRIPTION: Get the length of one package element.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtGetElementLength (
UINT8 ObjectType,
ACPI_OPERAND_OBJECT *SourceObject,
ACPI_GENERIC_STATE *State,
void *Context)
{
ACPI_STATUS Status = AE_OK;
ACPI_PKG_INFO *Info = (ACPI_PKG_INFO *) Context;
ACPI_SIZE ObjectSpace;
switch (ObjectType)
{
case ACPI_COPY_TYPE_SIMPLE:
/*
* Simple object - just get the size (Null object/entry is handled
* here also) and sum it into the running package length
*/
Status = AcpiUtGetSimpleObjectSize (SourceObject, &ObjectSpace);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Info->Length += ObjectSpace;
break;
case ACPI_COPY_TYPE_PACKAGE:
/* Package object - nothing much to do here, let the walk handle it */
Info->NumPackages++;
State->Pkg.ThisTargetObj = NULL;
break;
default:
/* No other types allowed */
return (AE_BAD_PARAMETER);
}
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetPackageObjectSize
*
* PARAMETERS: InternalObject - An ACPI internal object
* ObjLength - Where the length is returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to determine the space required to
* contain a package object for return to an external user.
*
* This is moderately complex since a package contains other
* objects including packages.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtGetPackageObjectSize (
ACPI_OPERAND_OBJECT *InternalObject,
ACPI_SIZE *ObjLength)
{
ACPI_STATUS Status;
ACPI_PKG_INFO Info;
ACPI_FUNCTION_TRACE_PTR (UtGetPackageObjectSize, InternalObject);
Info.Length = 0;
Info.ObjectSpace = 0;
Info.NumPackages = 1;
Status = AcpiUtWalkPackageTree (InternalObject, NULL,
AcpiUtGetElementLength, &Info);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* We have handled all of the objects in all levels of the package.
* just add the length of the package objects themselves.
* Round up to the next machine word.
*/
Info.Length += ACPI_ROUND_UP_TO_NATIVE_WORD (sizeof (ACPI_OBJECT)) *
(ACPI_SIZE) Info.NumPackages;
/* Return the total package length */
*ObjLength = Info.Length;
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetObjectSize
*
* PARAMETERS: InternalObject - An ACPI internal object
* ObjLength - Where the length will be returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to determine the space required to
* contain an object for return to an API user.
*
******************************************************************************/
ACPI_STATUS
AcpiUtGetObjectSize (
ACPI_OPERAND_OBJECT *InternalObject,
ACPI_SIZE *ObjLength)
{
ACPI_STATUS Status;
ACPI_FUNCTION_ENTRY ();
if ((ACPI_GET_DESCRIPTOR_TYPE (InternalObject) == ACPI_DESC_TYPE_OPERAND) &&
(InternalObject->Common.Type == ACPI_TYPE_PACKAGE))
{
Status = AcpiUtGetPackageObjectSize (InternalObject, ObjLength);
}
else
{
Status = AcpiUtGetSimpleObjectSize (InternalObject, ObjLength);
}
return (Status);
}

/drivers/devman/acpica/utilities/utresrc.c
0,0 → 1,772
/*******************************************************************************
*
* Module Name: utresrc - Resource managment utilities
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTRESRC_C__
#include "acpi.h"
#include "accommon.h"
#include "amlresrc.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utresrc")
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
/*
* Strings used to decode resource descriptors.
* Used by both the disasssembler and the debugger resource dump routines
*/
const char *AcpiGbl_BmDecode[] =
{
"NotBusMaster",
"BusMaster"
};
const char *AcpiGbl_ConfigDecode[] =
{
"0 - Good Configuration",
"1 - Acceptable Configuration",
"2 - Suboptimal Configuration",
"3 - ***Invalid Configuration***",
};
const char *AcpiGbl_ConsumeDecode[] =
{
"ResourceProducer",
"ResourceConsumer"
};
const char *AcpiGbl_DecDecode[] =
{
"PosDecode",
"SubDecode"
};
const char *AcpiGbl_HeDecode[] =
{
"Level",
"Edge"
};
const char *AcpiGbl_IoDecode[] =
{
"Decode10",
"Decode16"
};
const char *AcpiGbl_LlDecode[] =
{
"ActiveHigh",
"ActiveLow"
};
const char *AcpiGbl_MaxDecode[] =
{
"MaxNotFixed",
"MaxFixed"
};
const char *AcpiGbl_MemDecode[] =
{
"NonCacheable",
"Cacheable",
"WriteCombining",
"Prefetchable"
};
const char *AcpiGbl_MinDecode[] =
{
"MinNotFixed",
"MinFixed"
};
const char *AcpiGbl_MtpDecode[] =
{
"AddressRangeMemory",
"AddressRangeReserved",
"AddressRangeACPI",
"AddressRangeNVS"
};
const char *AcpiGbl_RngDecode[] =
{
"InvalidRanges",
"NonISAOnlyRanges",
"ISAOnlyRanges",
"EntireRange"
};
const char *AcpiGbl_RwDecode[] =
{
"ReadOnly",
"ReadWrite"
};
const char *AcpiGbl_ShrDecode[] =
{
"Exclusive",
"Shared"
};
const char *AcpiGbl_SizDecode[] =
{
"Transfer8",
"Transfer8_16",
"Transfer16",
"InvalidSize"
};
const char *AcpiGbl_TrsDecode[] =
{
"DenseTranslation",
"SparseTranslation"
};
const char *AcpiGbl_TtpDecode[] =
{
"TypeStatic",
"TypeTranslation"
};
const char *AcpiGbl_TypDecode[] =
{
"Compatibility",
"TypeA",
"TypeB",
"TypeF"
};
#endif
/*
* Base sizes of the raw AML resource descriptors, indexed by resource type.
* Zero indicates a reserved (and therefore invalid) resource type.
*/
const UINT8 AcpiGbl_ResourceAmlSizes[] =
{
/* Small descriptors */
0,
0,
0,
0,
ACPI_AML_SIZE_SMALL (AML_RESOURCE_IRQ),
ACPI_AML_SIZE_SMALL (AML_RESOURCE_DMA),
ACPI_AML_SIZE_SMALL (AML_RESOURCE_START_DEPENDENT),
ACPI_AML_SIZE_SMALL (AML_RESOURCE_END_DEPENDENT),
ACPI_AML_SIZE_SMALL (AML_RESOURCE_IO),
ACPI_AML_SIZE_SMALL (AML_RESOURCE_FIXED_IO),
0,
0,
0,
0,
ACPI_AML_SIZE_SMALL (AML_RESOURCE_VENDOR_SMALL),
ACPI_AML_SIZE_SMALL (AML_RESOURCE_END_TAG),
/* Large descriptors */
0,
ACPI_AML_SIZE_LARGE (AML_RESOURCE_MEMORY24),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_GENERIC_REGISTER),
0,
ACPI_AML_SIZE_LARGE (AML_RESOURCE_VENDOR_LARGE),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_MEMORY32),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_FIXED_MEMORY32),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS32),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS16),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_IRQ),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_ADDRESS64),
ACPI_AML_SIZE_LARGE (AML_RESOURCE_EXTENDED_ADDRESS64)
};
/*
* Resource types, used to validate the resource length field.
* The length of fixed-length types must match exactly, variable
* lengths must meet the minimum required length, etc.
* Zero indicates a reserved (and therefore invalid) resource type.
*/
static const UINT8 AcpiGbl_ResourceTypes[] =
{
/* Small descriptors */
0,
0,
0,
0,
ACPI_SMALL_VARIABLE_LENGTH,
ACPI_FIXED_LENGTH,
ACPI_SMALL_VARIABLE_LENGTH,
ACPI_FIXED_LENGTH,
ACPI_FIXED_LENGTH,
ACPI_FIXED_LENGTH,
0,
0,
0,
0,
ACPI_VARIABLE_LENGTH,
ACPI_FIXED_LENGTH,
/* Large descriptors */
0,
ACPI_FIXED_LENGTH,
ACPI_FIXED_LENGTH,
0,
ACPI_VARIABLE_LENGTH,
ACPI_FIXED_LENGTH,
ACPI_FIXED_LENGTH,
ACPI_VARIABLE_LENGTH,
ACPI_VARIABLE_LENGTH,
ACPI_VARIABLE_LENGTH,
ACPI_VARIABLE_LENGTH,
ACPI_FIXED_LENGTH
};
/*******************************************************************************
*
* FUNCTION: AcpiUtWalkAmlResources
*
* PARAMETERS: Aml - Pointer to the raw AML resource template
* AmlLength - Length of the entire template
* UserFunction - Called once for each descriptor found. If
* NULL, a pointer to the EndTag is returned
* Context - Passed to UserFunction
*
* RETURN: Status
*
* DESCRIPTION: Walk a raw AML resource list(buffer). User function called
* once for each resource found.
*
******************************************************************************/
ACPI_STATUS
AcpiUtWalkAmlResources (
UINT8 *Aml,
ACPI_SIZE AmlLength,
ACPI_WALK_AML_CALLBACK UserFunction,
void *Context)
{
ACPI_STATUS Status;
UINT8 *EndAml;
UINT8 ResourceIndex;
UINT32 Length;
UINT32 Offset = 0;
ACPI_FUNCTION_TRACE (UtWalkAmlResources);
/* The absolute minimum resource template is one EndTag descriptor */
if (AmlLength < sizeof (AML_RESOURCE_END_TAG))
{
return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
}
/* Point to the end of the resource template buffer */
EndAml = Aml + AmlLength;
/* Walk the byte list, abort on any invalid descriptor type or length */
while (Aml < EndAml)
{
/* Validate the Resource Type and Resource Length */
Status = AcpiUtValidateResource (Aml, &ResourceIndex);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the length of this descriptor */
Length = AcpiUtGetDescriptorLength (Aml);
/* Invoke the user function */
if (UserFunction)
{
Status = UserFunction (Aml, Length, Offset, ResourceIndex, Context);
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
/* An EndTag descriptor terminates this resource template */
if (AcpiUtGetResourceType (Aml) == ACPI_RESOURCE_NAME_END_TAG)
{
/*
* There must be at least one more byte in the buffer for
* the 2nd byte of the EndTag
*/
if ((Aml + 1) >= EndAml)
{
return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG);
}
/* Return the pointer to the EndTag if requested */
if (!UserFunction)
{
*(void **) Context = Aml;
}
/* Normal exit */
return_ACPI_STATUS (AE_OK);
}
Aml += Length;
Offset += Length;
}
/* Did not find an EndTag descriptor */
return (AE_AML_NO_RESOURCE_END_TAG);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtValidateResource
*
* PARAMETERS: Aml - Pointer to the raw AML resource descriptor
* ReturnIndex - Where the resource index is returned. NULL
* if the index is not required.
*
* RETURN: Status, and optionally the Index into the global resource tables
*
* DESCRIPTION: Validate an AML resource descriptor by checking the Resource
* Type and Resource Length. Returns an index into the global
* resource information/dispatch tables for later use.
*
******************************************************************************/
ACPI_STATUS
AcpiUtValidateResource (
void *Aml,
UINT8 *ReturnIndex)
{
UINT8 ResourceType;
UINT8 ResourceIndex;
ACPI_RS_LENGTH ResourceLength;
ACPI_RS_LENGTH MinimumResourceLength;
ACPI_FUNCTION_ENTRY ();
/*
* 1) Validate the ResourceType field (Byte 0)
*/
ResourceType = ACPI_GET8 (Aml);
/*
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
if (ResourceType & ACPI_RESOURCE_NAME_LARGE)
{
/* Verify the large resource type (name) against the max */
if (ResourceType > ACPI_RESOURCE_NAME_LARGE_MAX)
{
return (AE_AML_INVALID_RESOURCE_TYPE);
}
/*
* Large Resource Type -- bits 6:0 contain the name
* Translate range 0x80-0x8B to index range 0x10-0x1B
*/
ResourceIndex = (UINT8) (ResourceType - 0x70);
}
else
{
/*
* Small Resource Type -- bits 6:3 contain the name
* Shift range to index range 0x00-0x0F
*/
ResourceIndex = (UINT8)
((ResourceType & ACPI_RESOURCE_NAME_SMALL_MASK) >> 3);
}
/* Check validity of the resource type, zero indicates name is invalid */
if (!AcpiGbl_ResourceTypes[ResourceIndex])
{
return (AE_AML_INVALID_RESOURCE_TYPE);
}
/*
* 2) Validate the ResourceLength field. This ensures that the length
* is at least reasonable, and guarantees that it is non-zero.
*/
ResourceLength = AcpiUtGetResourceLength (Aml);
MinimumResourceLength = AcpiGbl_ResourceAmlSizes[ResourceIndex];
/* Validate based upon the type of resource - fixed length or variable */
switch (AcpiGbl_ResourceTypes[ResourceIndex])
{
case ACPI_FIXED_LENGTH:
/* Fixed length resource, length must match exactly */
if (ResourceLength != MinimumResourceLength)
{
return (AE_AML_BAD_RESOURCE_LENGTH);
}
break;
case ACPI_VARIABLE_LENGTH:
/* Variable length resource, length must be at least the minimum */
if (ResourceLength < MinimumResourceLength)
{
return (AE_AML_BAD_RESOURCE_LENGTH);
}
break;
case ACPI_SMALL_VARIABLE_LENGTH:
/* Small variable length resource, length can be (Min) or (Min-1) */
if ((ResourceLength > MinimumResourceLength) ||
(ResourceLength < (MinimumResourceLength - 1)))
{
return (AE_AML_BAD_RESOURCE_LENGTH);
}
break;
default:
/* Shouldn't happen (because of validation earlier), but be sure */
return (AE_AML_INVALID_RESOURCE_TYPE);
}
/* Optionally return the resource table index */
if (ReturnIndex)
{
*ReturnIndex = ResourceIndex;
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetResourceType
*
* PARAMETERS: Aml - Pointer to the raw AML resource descriptor
*
* RETURN: The Resource Type with no extraneous bits (except the
* Large/Small descriptor bit -- this is left alone)
*
* DESCRIPTION: Extract the Resource Type/Name from the first byte of
* a resource descriptor.
*
******************************************************************************/
UINT8
AcpiUtGetResourceType (
void *Aml)
{
ACPI_FUNCTION_ENTRY ();
/*
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
if (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_LARGE)
{
/* Large Resource Type -- bits 6:0 contain the name */
return (ACPI_GET8 (Aml));
}
else
{
/* Small Resource Type -- bits 6:3 contain the name */
return ((UINT8) (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetResourceLength
*
* PARAMETERS: Aml - Pointer to the raw AML resource descriptor
*
* RETURN: Byte Length
*
* DESCRIPTION: Get the "Resource Length" of a raw AML descriptor. By
* definition, this does not include the size of the descriptor
* header or the length field itself.
*
******************************************************************************/
UINT16
AcpiUtGetResourceLength (
void *Aml)
{
ACPI_RS_LENGTH ResourceLength;
ACPI_FUNCTION_ENTRY ();
/*
* Byte 0 contains the descriptor name (Resource Type)
* Examine the large/small bit in the resource header
*/
if (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_LARGE)
{
/* Large Resource type -- bytes 1-2 contain the 16-bit length */
ACPI_MOVE_16_TO_16 (&ResourceLength, ACPI_ADD_PTR (UINT8, Aml, 1));
}
else
{
/* Small Resource type -- bits 2:0 of byte 0 contain the length */
ResourceLength = (UINT16) (ACPI_GET8 (Aml) &
ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
}
return (ResourceLength);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetResourceHeaderLength
*
* PARAMETERS: Aml - Pointer to the raw AML resource descriptor
*
* RETURN: Length of the AML header (depends on large/small descriptor)
*
* DESCRIPTION: Get the length of the header for this resource.
*
******************************************************************************/
UINT8
AcpiUtGetResourceHeaderLength (
void *Aml)
{
ACPI_FUNCTION_ENTRY ();
/* Examine the large/small bit in the resource header */
if (ACPI_GET8 (Aml) & ACPI_RESOURCE_NAME_LARGE)
{
return (sizeof (AML_RESOURCE_LARGE_HEADER));
}
else
{
return (sizeof (AML_RESOURCE_SMALL_HEADER));
}
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetDescriptorLength
*
* PARAMETERS: Aml - Pointer to the raw AML resource descriptor
*
* RETURN: Byte length
*
* DESCRIPTION: Get the total byte length of a raw AML descriptor, including the
* length of the descriptor header and the length field itself.
* Used to walk descriptor lists.
*
******************************************************************************/
UINT32
AcpiUtGetDescriptorLength (
void *Aml)
{
ACPI_FUNCTION_ENTRY ();
/*
* Get the Resource Length (does not include header length) and add
* the header length (depends on if this is a small or large resource)
*/
return (AcpiUtGetResourceLength (Aml) +
AcpiUtGetResourceHeaderLength (Aml));
}
/*******************************************************************************
*
* FUNCTION: AcpiUtGetResourceEndTag
*
* PARAMETERS: ObjDesc - The resource template buffer object
* EndTag - Where the pointer to the EndTag is returned
*
* RETURN: Status, pointer to the end tag
*
* DESCRIPTION: Find the EndTag resource descriptor in an AML resource template
* Note: allows a buffer length of zero.
*
******************************************************************************/
ACPI_STATUS
AcpiUtGetResourceEndTag (
ACPI_OPERAND_OBJECT *ObjDesc,
UINT8 **EndTag)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtGetResourceEndTag);
/* Allow a buffer length of zero */
if (!ObjDesc->Buffer.Length)
{
*EndTag = ObjDesc->Buffer.Pointer;
return_ACPI_STATUS (AE_OK);
}
/* Validate the template and get a pointer to the EndTag */
Status = AcpiUtWalkAmlResources (ObjDesc->Buffer.Pointer,
ObjDesc->Buffer.Length, NULL, EndTag);
return_ACPI_STATUS (Status);
}

/drivers/devman/acpica/utilities/utstate.c
0,0 → 1,470
/*******************************************************************************
*
* Module Name: utstate - state object support procedures
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTSTATE_C__
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utstate")
/*******************************************************************************
*
* FUNCTION: AcpiUtCreatePkgStateAndPush
*
* PARAMETERS: Object - Object to be added to the new state
* Action - Increment/Decrement
* StateList - List the state will be added to
*
* RETURN: Status
*
* DESCRIPTION: Create a new state and push it
*
******************************************************************************/
ACPI_STATUS
AcpiUtCreatePkgStateAndPush (
void *InternalObject,
void *ExternalObject,
UINT16 Index,
ACPI_GENERIC_STATE **StateList)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_ENTRY ();
State = AcpiUtCreatePkgState (InternalObject, ExternalObject, Index);
if (!State)
{
return (AE_NO_MEMORY);
}
AcpiUtPushGenericState (StateList, State);
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtPushGenericState
*
* PARAMETERS: ListHead - Head of the state stack
* State - State object to push
*
* RETURN: None
*
* DESCRIPTION: Push a state object onto a state stack
*
******************************************************************************/
void
AcpiUtPushGenericState (
ACPI_GENERIC_STATE **ListHead,
ACPI_GENERIC_STATE *State)
{
ACPI_FUNCTION_TRACE (UtPushGenericState);
/* Push the state object onto the front of the list (stack) */
State->Common.Next = *ListHead;
*ListHead = State;
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtPopGenericState
*
* PARAMETERS: ListHead - Head of the state stack
*
* RETURN: The popped state object
*
* DESCRIPTION: Pop a state object from a state stack
*
******************************************************************************/
ACPI_GENERIC_STATE *
AcpiUtPopGenericState (
ACPI_GENERIC_STATE **ListHead)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_TRACE (UtPopGenericState);
/* Remove the state object at the head of the list (stack) */
State = *ListHead;
if (State)
{
/* Update the list head */
*ListHead = State->Common.Next;
}
return_PTR (State);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateGenericState
*
* PARAMETERS: None
*
* RETURN: The new state object. NULL on failure.
*
* DESCRIPTION: Create a generic state object. Attempt to obtain one from
* the global state cache; If none available, create a new one.
*
******************************************************************************/
ACPI_GENERIC_STATE *
AcpiUtCreateGenericState (
void)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_ENTRY ();
State = AcpiOsAcquireObject (AcpiGbl_StateCache);
if (State)
{
/* Initialize */
State->Common.DescriptorType = ACPI_DESC_TYPE_STATE;
}
return (State);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateThreadState
*
* PARAMETERS: None
*
* RETURN: New Thread State. NULL on failure
*
* DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
* to track per-thread info during method execution
*
******************************************************************************/
ACPI_THREAD_STATE *
AcpiUtCreateThreadState (
void)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_TRACE (UtCreateThreadState);
/* Create the generic state object */
State = AcpiUtCreateGenericState ();
if (!State)
{
return_PTR (NULL);
}
/* Init fields specific to the update struct */
State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD;
State->Thread.ThreadId = AcpiOsGetThreadId ();
/* Check for invalid thread ID - zero is very bad, it will break things */
if (!State->Thread.ThreadId)
{
ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
State->Thread.ThreadId = (ACPI_THREAD_ID) 1;
}
return_PTR ((ACPI_THREAD_STATE *) State);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateUpdateState
*
* PARAMETERS: Object - Initial Object to be installed in the state
* Action - Update action to be performed
*
* RETURN: New state object, null on failure
*
* DESCRIPTION: Create an "Update State" - a flavor of the generic state used
* to update reference counts and delete complex objects such
* as packages.
*
******************************************************************************/
ACPI_GENERIC_STATE *
AcpiUtCreateUpdateState (
ACPI_OPERAND_OBJECT *Object,
UINT16 Action)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_TRACE_PTR (UtCreateUpdateState, Object);
/* Create the generic state object */
State = AcpiUtCreateGenericState ();
if (!State)
{
return_PTR (NULL);
}
/* Init fields specific to the update struct */
State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE;
State->Update.Object = Object;
State->Update.Value = Action;
return_PTR (State);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreatePkgState
*
* PARAMETERS: Object - Initial Object to be installed in the state
* Action - Update action to be performed
*
* RETURN: New state object, null on failure
*
* DESCRIPTION: Create a "Package State"
*
******************************************************************************/
ACPI_GENERIC_STATE *
AcpiUtCreatePkgState (
void *InternalObject,
void *ExternalObject,
UINT16 Index)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_TRACE_PTR (UtCreatePkgState, InternalObject);
/* Create the generic state object */
State = AcpiUtCreateGenericState ();
if (!State)
{
return_PTR (NULL);
}
/* Init fields specific to the update struct */
State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE;
State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
State->Pkg.DestObject = ExternalObject;
State->Pkg.Index= Index;
State->Pkg.NumPackages = 1;
return_PTR (State);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateControlState
*
* PARAMETERS: None
*
* RETURN: New state object, null on failure
*
* DESCRIPTION: Create a "Control State" - a flavor of the generic state used
* to support nested IF/WHILE constructs in the AML.
*
******************************************************************************/
ACPI_GENERIC_STATE *
AcpiUtCreateControlState (
void)
{
ACPI_GENERIC_STATE *State;
ACPI_FUNCTION_TRACE (UtCreateControlState);
/* Create the generic state object */
State = AcpiUtCreateGenericState ();
if (!State)
{
return_PTR (NULL);
}
/* Init fields specific to the control struct */
State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL;
State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING;
return_PTR (State);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDeleteGenericState
*
* PARAMETERS: State - The state object to be deleted
*
* RETURN: None
*
* DESCRIPTION: Release a state object to the state cache. NULL state objects
* are ignored.
*
******************************************************************************/
void
AcpiUtDeleteGenericState (
ACPI_GENERIC_STATE *State)
{
ACPI_FUNCTION_TRACE (UtDeleteGenericState);
/* Ignore null state */
if (State)
{
(void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
}
return_VOID;
}

/drivers/devman/acpica/utilities/uttrack.c
0,0 → 1,783
/******************************************************************************
*
* Module Name: uttrack - Memory allocation tracking routines (debug only)
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
/*
* These procedures are used for tracking memory leaks in the subsystem, and
* they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
*
* Each memory allocation is tracked via a doubly linked list. Each
* element contains the caller's component, module name, function name, and
* line number. AcpiUtAllocate and AcpiUtAllocateZeroed call
* AcpiUtTrackAllocation to add an element to the list; deletion
* occurs in the body of AcpiUtFree.
*/
#define __UTTRACK_C__
#include "acpi.h"
#include "accommon.h"
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("uttrack")
/* Local prototypes */
static ACPI_DEBUG_MEM_BLOCK *
AcpiUtFindAllocation (
void *Allocation);
static ACPI_STATUS
AcpiUtTrackAllocation (
ACPI_DEBUG_MEM_BLOCK *Address,
ACPI_SIZE Size,
UINT8 AllocType,
UINT32 Component,
const char *Module,
UINT32 Line);
static ACPI_STATUS
AcpiUtRemoveAllocation (
ACPI_DEBUG_MEM_BLOCK *Address,
UINT32 Component,
const char *Module,
UINT32 Line);
/*******************************************************************************
*
* FUNCTION: AcpiUtCreateList
*
* PARAMETERS: CacheName - Ascii name for the cache
* ObjectSize - Size of each cached object
* ReturnCache - Where the new cache object is returned
*
* RETURN: Status
*
* DESCRIPTION: Create a local memory list for tracking purposed
*
******************************************************************************/
ACPI_STATUS
AcpiUtCreateList (
char *ListName,
UINT16 ObjectSize,
ACPI_MEMORY_LIST **ReturnCache)
{
ACPI_MEMORY_LIST *Cache;
Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
if (!Cache)
{
return (AE_NO_MEMORY);
}
ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));
Cache->ListName = ListName;
Cache->ObjectSize = ObjectSize;
*ReturnCache = Cache;
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAllocateAndTrack
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: The subsystem's equivalent of malloc.
*
******************************************************************************/
void *
AcpiUtAllocateAndTrack (
ACPI_SIZE Size,
UINT32 Component,
const char *Module,
UINT32 Line)
{
ACPI_DEBUG_MEM_BLOCK *Allocation;
ACPI_STATUS Status;
Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
Component, Module, Line);
if (!Allocation)
{
return (NULL);
}
Status = AcpiUtTrackAllocation (Allocation, Size,
ACPI_MEM_MALLOC, Component, Module, Line);
if (ACPI_FAILURE (Status))
{
AcpiOsFree (Allocation);
return (NULL);
}
AcpiGbl_GlobalList->TotalAllocated++;
AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
{
AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
}
return ((void *) &Allocation->UserSpace);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtAllocateZeroedAndTrack
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: Subsystem equivalent of calloc.
*
******************************************************************************/
void *
AcpiUtAllocateZeroedAndTrack (
ACPI_SIZE Size,
UINT32 Component,
const char *Module,
UINT32 Line)
{
ACPI_DEBUG_MEM_BLOCK *Allocation;
ACPI_STATUS Status;
Allocation = AcpiUtAllocateZeroed (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
Component, Module, Line);
if (!Allocation)
{
/* Report allocation error */
ACPI_ERROR ((Module, Line,
"Could not allocate size %u", (UINT32) Size));
return (NULL);
}
Status = AcpiUtTrackAllocation (Allocation, Size,
ACPI_MEM_CALLOC, Component, Module, Line);
if (ACPI_FAILURE (Status))
{
AcpiOsFree (Allocation);
return (NULL);
}
AcpiGbl_GlobalList->TotalAllocated++;
AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
{
AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
}
return ((void *) &Allocation->UserSpace);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtFreeAndTrack
*
* PARAMETERS: Allocation - Address of the memory to deallocate
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: None
*
* DESCRIPTION: Frees the memory at Allocation
*
******************************************************************************/
void
AcpiUtFreeAndTrack (
void *Allocation,
UINT32 Component,
const char *Module,
UINT32 Line)
{
ACPI_DEBUG_MEM_BLOCK *DebugBlock;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation);
if (NULL == Allocation)
{
ACPI_ERROR ((Module, Line,
"Attempt to delete a NULL address"));
return_VOID;
}
DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK,
(((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER)));
AcpiGbl_GlobalList->TotalFreed++;
AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size;
Status = AcpiUtRemoveAllocation (DebugBlock,
Component, Module, Line);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory"));
}
AcpiOsFree (DebugBlock);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Allocation));
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtFindAllocation
*
* PARAMETERS: Allocation - Address of allocated memory
*
* RETURN: A list element if found; NULL otherwise.
*
* DESCRIPTION: Searches for an element in the global allocation tracking list.
*
******************************************************************************/
static ACPI_DEBUG_MEM_BLOCK *
AcpiUtFindAllocation (
void *Allocation)
{
ACPI_DEBUG_MEM_BLOCK *Element;
ACPI_FUNCTION_ENTRY ();
Element = AcpiGbl_GlobalList->ListHead;
/* Search for the address. */
while (Element)
{
if (Element == Allocation)
{
return (Element);
}
Element = Element->Next;
}
return (NULL);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtTrackAllocation
*
* PARAMETERS: Allocation - Address of allocated memory
* Size - Size of the allocation
* AllocType - MEM_MALLOC or MEM_CALLOC
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: None.
*
* DESCRIPTION: Inserts an element into the global allocation tracking list.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtTrackAllocation (
ACPI_DEBUG_MEM_BLOCK *Allocation,
ACPI_SIZE Size,
UINT8 AllocType,
UINT32 Component,
const char *Module,
UINT32 Line)
{
ACPI_MEMORY_LIST *MemList;
ACPI_DEBUG_MEM_BLOCK *Element;
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation);
if (AcpiGbl_DisableMemTracking)
{
return_ACPI_STATUS (AE_OK);
}
MemList = AcpiGbl_GlobalList;
Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Search list for this address to make sure it is not already on the list.
* This will catch several kinds of problems.
*/
Element = AcpiUtFindAllocation (Allocation);
if (Element)
{
ACPI_ERROR ((AE_INFO,
"UtTrackAllocation: Allocation already present in list! (%p)",
Allocation));
ACPI_ERROR ((AE_INFO, "Element %p Address %p",
Element, Allocation));
goto UnlockAndExit;
}
/* Fill in the instance data. */
Allocation->Size = (UINT32) Size;
Allocation->AllocType = AllocType;
Allocation->Component = Component;
Allocation->Line = Line;
ACPI_STRNCPY (Allocation->Module, Module, ACPI_MAX_MODULE_NAME);
Allocation->Module[ACPI_MAX_MODULE_NAME-1] = 0;
/* Insert at list head */
if (MemList->ListHead)
{
((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Allocation;
}
Allocation->Next = MemList->ListHead;
Allocation->Previous = NULL;
MemList->ListHead = Allocation;
UnlockAndExit:
Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtRemoveAllocation
*
* PARAMETERS: Allocation - Address of allocated memory
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN:
*
* DESCRIPTION: Deletes an element from the global allocation tracking list.
*
******************************************************************************/
static ACPI_STATUS
AcpiUtRemoveAllocation (
ACPI_DEBUG_MEM_BLOCK *Allocation,
UINT32 Component,
const char *Module,
UINT32 Line)
{
ACPI_MEMORY_LIST *MemList;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (UtRemoveAllocation);
if (AcpiGbl_DisableMemTracking)
{
return_ACPI_STATUS (AE_OK);
}
MemList = AcpiGbl_GlobalList;
if (NULL == MemList->ListHead)
{
/* No allocations! */
ACPI_ERROR ((Module, Line,
"Empty allocation list, nothing to free!"));
return_ACPI_STATUS (AE_OK);
}
Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Unlink */
if (Allocation->Previous)
{
(Allocation->Previous)->Next = Allocation->Next;
}
else
{
MemList->ListHead = Allocation->Next;
}
if (Allocation->Next)
{
(Allocation->Next)->Previous = Allocation->Previous;
}
/* Mark the segment as deleted */
ACPI_MEMSET (&Allocation->UserSpace, 0xEA, Allocation->Size);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
Allocation->Size));
Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDumpAllocationInfo
*
* PARAMETERS:
*
* RETURN: None
*
* DESCRIPTION: Print some info about the outstanding allocations.
*
******************************************************************************/
void
AcpiUtDumpAllocationInfo (
void)
{
/*
ACPI_MEMORY_LIST *MemList;
*/
ACPI_FUNCTION_TRACE (UtDumpAllocationInfo);
/*
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Current allocations",
MemList->CurrentCount,
ROUND_UP_TO_1K (MemList->CurrentSize)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
MemList->MaxConcurrentCount,
ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
RunningObjectCount,
ROUND_UP_TO_1K (RunningObjectSize)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
RunningAllocCount,
ROUND_UP_TO_1K (RunningAllocSize)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Current Nodes",
AcpiGbl_CurrentNodeCount,
ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Max Nodes",
AcpiGbl_MaxConcurrentNodeCount,
ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount *
sizeof (ACPI_NAMESPACE_NODE)))));
*/
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: AcpiUtDumpAllocations
*
* PARAMETERS: Component - Component(s) to dump info for.
* Module - Module to dump info for. NULL means all.
*
* RETURN: None
*
* DESCRIPTION: Print a list of all outstanding allocations.
*
******************************************************************************/
void
AcpiUtDumpAllocations (
UINT32 Component,
const char *Module)
{
ACPI_DEBUG_MEM_BLOCK *Element;
ACPI_DESCRIPTOR *Descriptor;
UINT32 NumOutstanding = 0;
UINT8 DescriptorType;
ACPI_FUNCTION_TRACE (UtDumpAllocations);
if (AcpiGbl_DisableMemTracking)
{
return;
}
/*
* Walk the allocation list.
*/
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY)))
{
return;
}
Element = AcpiGbl_GlobalList->ListHead;
while (Element)
{
if ((Element->Component & Component) &&
((Module == NULL) || (0 == ACPI_STRCMP (Module, Element->Module))))
{
Descriptor = ACPI_CAST_PTR (ACPI_DESCRIPTOR, &Element->UserSpace);
if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR))
{
AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u "
"[Not a Descriptor - too small]\n",
Descriptor, Element->Size, Element->Module,
Element->Line);
}
else
{
/* Ignore allocated objects that are in a cache */
if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != ACPI_DESC_TYPE_CACHED)
{
AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u [%s] ",
Descriptor, Element->Size, Element->Module,
Element->Line, AcpiUtGetDescriptorName (Descriptor));
/* Validate the descriptor type using Type field and length */
DescriptorType = 0; /* Not a valid descriptor type */
switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
{
case ACPI_DESC_TYPE_OPERAND:
if (Element->Size == sizeof (ACPI_DESC_TYPE_OPERAND))
{
DescriptorType = ACPI_DESC_TYPE_OPERAND;
}
break;
case ACPI_DESC_TYPE_PARSER:
if (Element->Size == sizeof (ACPI_DESC_TYPE_PARSER))
{
DescriptorType = ACPI_DESC_TYPE_PARSER;
}
break;
case ACPI_DESC_TYPE_NAMED:
if (Element->Size == sizeof (ACPI_DESC_TYPE_NAMED))
{
DescriptorType = ACPI_DESC_TYPE_NAMED;
}
break;
default:
break;
}
/* Display additional info for the major descriptor types */
switch (DescriptorType)
{
case ACPI_DESC_TYPE_OPERAND:
AcpiOsPrintf ("%12.12s RefCount 0x%04X\n",
AcpiUtGetTypeName (Descriptor->Object.Common.Type),
Descriptor->Object.Common.ReferenceCount);
break;
case ACPI_DESC_TYPE_PARSER:
AcpiOsPrintf ("AmlOpcode 0x%04hX\n",
Descriptor->Op.Asl.AmlOpcode);
break;
case ACPI_DESC_TYPE_NAMED:
AcpiOsPrintf ("%4.4s\n",
AcpiUtGetNodeName (&Descriptor->Node));
break;
default:
AcpiOsPrintf ( "\n");
break;
}
}
}
NumOutstanding++;
}
Element = Element->Next;
}
(void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
/* Print summary */
if (!NumOutstanding)
{
ACPI_INFO ((AE_INFO, "No outstanding allocations"));
}
else
{
ACPI_ERROR ((AE_INFO, "%u(0x%X) Outstanding allocations",
NumOutstanding, NumOutstanding));
}
return_VOID;
}
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */

/drivers/devman/acpica/utilities/utxface.c
0,0 → 1,734
/******************************************************************************
*
* Module Name: utxface - External interfaces for "global" ACPI functions
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#define __UTXFACE_C__
#include "acpi.h"
#include "accommon.h"
#include "acevents.h"
#include "acnamesp.h"
#include "acdebug.h"
#include "actables.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utxface")
#ifndef ACPI_ASL_COMPILER
/*******************************************************************************
*
* FUNCTION: AcpiInitializeSubsystem
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initializes all global variables. This is the first function
* called, so any early initialization belongs here.
*
******************************************************************************/
ACPI_STATUS
AcpiInitializeSubsystem (
void)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem);
AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE;
ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ());
/* Initialize the OS-Dependent layer */
Status = AcpiOsInitialize ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization"));
return_ACPI_STATUS (Status);
}
/* Initialize all globals used by the subsystem */
Status = AcpiUtInitGlobals ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals"));
return_ACPI_STATUS (Status);
}
/* Create the default mutex objects */
Status = AcpiUtMutexInitialize ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation"));
return_ACPI_STATUS (Status);
}
/*
* Initialize the namespace manager and
* the root of the namespace tree
*/
Status = AcpiNsRootInitialize ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization"));
return_ACPI_STATUS (Status);
}
/* If configured, initialize the AML debugger */
ACPI_DEBUGGER_EXEC (Status = AcpiDbInitialize ());
return_ACPI_STATUS (Status);
}
ACPI_EXPORT_SYMBOL (AcpiInitializeSubsystem)
/*******************************************************************************
*
* FUNCTION: AcpiEnableSubsystem
*
* PARAMETERS: Flags - Init/enable Options
*
* RETURN: Status
*
* DESCRIPTION: Completes the subsystem initialization including hardware.
* Puts system into ACPI mode if it isn't already.
*
******************************************************************************/
ACPI_STATUS
AcpiEnableSubsystem (
UINT32 Flags)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (AcpiEnableSubsystem);
/* Enable ACPI mode */
if (!(Flags & ACPI_NO_ACPI_ENABLE))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
AcpiGbl_OriginalMode = AcpiHwGetMode();
Status = AcpiEnable ();
if (ACPI_FAILURE (Status))
{
ACPI_WARNING ((AE_INFO, "AcpiEnable failed"));
return_ACPI_STATUS (Status);
}
}
/*
* Obtain a permanent mapping for the FACS. This is required for the
* Global Lock and the Firmware Waking Vector
*/
Status = AcpiTbInitializeFacs ();
if (ACPI_FAILURE (Status))
{
ACPI_WARNING ((AE_INFO, "Could not map the FACS table"));
return_ACPI_STATUS (Status);
}
/*
* Install the default OpRegion handlers. These are installed unless
* other handlers have already been installed via the
* InstallAddressSpaceHandler interface.
*/
if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Installing default address space handlers\n"));
Status = AcpiEvInstallRegionHandlers ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Initialize ACPI Event handling (Fixed and General Purpose)
*
* Note1: We must have the hardware and events initialized before we can
* execute any control methods safely. Any control method can require
* ACPI hardware support, so the hardware must be fully initialized before
* any method execution!
*
* Note2: Fixed events are initialized and enabled here. GPEs are
* initialized, but cannot be enabled until after the hardware is
* completely initialized (SCI and GlobalLock activated) and the various
* initialization control methods are run (_REG, _STA, _INI) on the
* entire namespace.
*/
if (!(Flags & ACPI_NO_EVENT_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Initializing ACPI events\n"));
Status = AcpiEvInitializeEvents ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Install the SCI handler and Global Lock handler. This completes the
* hardware initialization.
*/
if (!(Flags & ACPI_NO_HANDLER_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Installing SCI/GL handlers\n"));
Status = AcpiEvInstallXruptHandlers ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
return_ACPI_STATUS (Status);
}
ACPI_EXPORT_SYMBOL (AcpiEnableSubsystem)
/*******************************************************************************
*
* FUNCTION: AcpiInitializeObjects
*
* PARAMETERS: Flags - Init/enable Options
*
* RETURN: Status
*
* DESCRIPTION: Completes namespace initialization by initializing device
* objects and executing AML code for Regions, buffers, etc.
*
******************************************************************************/
ACPI_STATUS
AcpiInitializeObjects (
UINT32 Flags)
{
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
/*
* Run all _REG methods
*
* Note: Any objects accessed by the _REG methods will be automatically
* initialized, even if they contain executable AML (see the call to
* AcpiNsInitializeObjects below).
*/
if (!(Flags & ACPI_NO_ADDRESS_SPACE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Executing _REG OpRegion methods\n"));
Status = AcpiEvInitializeOpRegions ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Execute any module-level code that was detected during the table load
* phase. Although illegal since ACPI 2.0, there are many machines that
* contain this type of code. Each block of detected executable AML code
* outside of any control method is wrapped with a temporary control
* method object and placed on a global list. The methods on this list
* are executed below.
*/
AcpiNsExecModuleCodeList ();
/*
* Initialize the objects that remain uninitialized. This runs the
* executable AML that may be part of the declaration of these objects:
* OperationRegions, BufferFields, Buffers, and Packages.
*/
if (!(Flags & ACPI_NO_OBJECT_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Completing Initialization of ACPI Objects\n"));
Status = AcpiNsInitializeObjects ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Initialize all device objects in the namespace. This runs the device
* _STA and _INI methods.
*/
if (!(Flags & ACPI_NO_DEVICE_INIT))
{
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"[Init] Initializing ACPI Devices\n"));
Status = AcpiNsInitializeDevices ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
}
/*
* Initialize the GPE blocks defined in the FADT (GPE block 0 and 1).
* The runtime GPEs are enabled here.
*
* This is where the _PRW methods are executed for the GPEs. These
* methods can only be executed after the SCI and Global Lock handlers are
* installed and initialized.
*
* GPEs can only be enabled after the _REG, _STA, and _INI methods have
* been run. This ensures that all Operation Regions and all Devices have
* been initialized and are ready.
*/
if (!(Flags & ACPI_NO_EVENT_INIT))
{
Status = AcpiEvInstallFadtGpes ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
}
/*
* Empty the caches (delete the cached objects) on the assumption that
* the table load filled them up more than they will be at runtime --
* thus wasting non-paged memory.
*/
Status = AcpiPurgeCachedObjects ();
AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
return_ACPI_STATUS (Status);
}
ACPI_EXPORT_SYMBOL (AcpiInitializeObjects)
#endif
/*******************************************************************************
*
* FUNCTION: AcpiTerminate
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Shutdown the ACPICA subsystem and release all resources.
*
******************************************************************************/
ACPI_STATUS
AcpiTerminate (
void)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (AcpiTerminate);
/* Just exit if subsystem is already shutdown */
if (AcpiGbl_Shutdown)
{
ACPI_ERROR ((AE_INFO, "ACPI Subsystem is already terminated"));
return_ACPI_STATUS (AE_OK);
}
/* Subsystem appears active, go ahead and shut it down */
AcpiGbl_Shutdown = TRUE;
AcpiGbl_StartupFlags = 0;
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
/* Terminate the AML Debugger if present */
ACPI_DEBUGGER_EXEC (AcpiGbl_DbTerminateThreads = TRUE);
/* Shutdown and free all resources */
AcpiUtSubsystemShutdown ();
/* Free the mutex objects */
AcpiUtMutexTerminate ();
#ifdef ACPI_DEBUGGER
/* Shut down the debugger */
AcpiDbTerminate ();
#endif
/* Now we can shutdown the OS-dependent layer */
Status = AcpiOsTerminate ();
return_ACPI_STATUS (Status);
}
ACPI_EXPORT_SYMBOL (AcpiTerminate)
#ifndef ACPI_ASL_COMPILER
/*******************************************************************************
*
* FUNCTION: AcpiSubsystemStatus
*
* PARAMETERS: None
*
* RETURN: Status of the ACPI subsystem
*
* DESCRIPTION: Other drivers that use the ACPI subsystem should call this
* before making any other calls, to ensure the subsystem
* initialized successfully.
*
******************************************************************************/
ACPI_STATUS
AcpiSubsystemStatus (
void)
{
if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK)
{
return (AE_OK);
}
else
{
return (AE_ERROR);
}
}
ACPI_EXPORT_SYMBOL (AcpiSubsystemStatus)
/*******************************************************************************
*
* FUNCTION: AcpiGetSystemInfo
*
* PARAMETERS: OutBuffer - A buffer to receive the resources for the
* device
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: This function is called to get information about the current
* state of the ACPI subsystem. It will return system information
* in the OutBuffer.
*
* If the function fails an appropriate status will be returned
* and the value of OutBuffer is undefined.
*
******************************************************************************/
ACPI_STATUS
AcpiGetSystemInfo (
ACPI_BUFFER *OutBuffer)
{
ACPI_SYSTEM_INFO *InfoPtr;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE (AcpiGetSystemInfo);
/* Parameter validation */
Status = AcpiUtValidateBuffer (OutBuffer);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Validate/Allocate/Clear caller buffer */
Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO));
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/*
* Populate the return buffer
*/
InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer;
InfoPtr->AcpiCaVersion = ACPI_CA_VERSION;
/* System flags (ACPI capabilities) */
InfoPtr->Flags = ACPI_SYS_MODE_ACPI;
/* Timer resolution - 24 or 32 bits */
if (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER)
{
InfoPtr->TimerResolution = 24;
}
else
{
InfoPtr->TimerResolution = 32;
}
/* Clear the reserved fields */
InfoPtr->Reserved1 = 0;
InfoPtr->Reserved2 = 0;
/* Current debug levels */
InfoPtr->DebugLayer = AcpiDbgLayer;
InfoPtr->DebugLevel = AcpiDbgLevel;
return_ACPI_STATUS (AE_OK);
}
ACPI_EXPORT_SYMBOL (AcpiGetSystemInfo)
/*******************************************************************************
*
* FUNCTION: AcpiGetStatistics
*
* PARAMETERS: Stats - Where the statistics are returned
*
* RETURN: Status - the status of the call
*
* DESCRIPTION: Get the contents of the various system counters
*
******************************************************************************/
ACPI_STATUS
AcpiGetStatistics (
ACPI_STATISTICS *Stats)
{
ACPI_FUNCTION_TRACE (AcpiGetStatistics);
/* Parameter validation */
if (!Stats)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Various interrupt-based event counters */
Stats->SciCount = AcpiSciCount;
Stats->GpeCount = AcpiGpeCount;
ACPI_MEMCPY (Stats->FixedEventCount, AcpiFixedEventCount,
sizeof (AcpiFixedEventCount));
/* Other counters */
Stats->MethodCount = AcpiMethodCount;
return_ACPI_STATUS (AE_OK);
}
ACPI_EXPORT_SYMBOL (AcpiGetStatistics)
/*****************************************************************************
*
* FUNCTION: AcpiInstallInitializationHandler
*
* PARAMETERS: Handler - Callback procedure
* Function - Not (currently) used, see below
*
* RETURN: Status
*
* DESCRIPTION: Install an initialization handler
*
* TBD: When a second function is added, must save the Function also.
*
****************************************************************************/
ACPI_STATUS
AcpiInstallInitializationHandler (
ACPI_INIT_HANDLER Handler,
UINT32 Function)
{
if (!Handler)
{
return (AE_BAD_PARAMETER);
}
if (AcpiGbl_InitHandler)
{
return (AE_ALREADY_EXISTS);
}
AcpiGbl_InitHandler = Handler;
return AE_OK;
}
ACPI_EXPORT_SYMBOL (AcpiInstallInitializationHandler)
/*****************************************************************************
*
* FUNCTION: AcpiPurgeCachedObjects
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Empty all caches (delete the cached objects)
*
****************************************************************************/
ACPI_STATUS
AcpiPurgeCachedObjects (
void)
{
ACPI_FUNCTION_TRACE (AcpiPurgeCachedObjects);
(void) AcpiOsPurgeCache (AcpiGbl_StateCache);
(void) AcpiOsPurgeCache (AcpiGbl_OperandCache);
(void) AcpiOsPurgeCache (AcpiGbl_PsNodeCache);
(void) AcpiOsPurgeCache (AcpiGbl_PsNodeExtCache);
return_ACPI_STATUS (AE_OK);
}
ACPI_EXPORT_SYMBOL (AcpiPurgeCachedObjects)
#endif /* ACPI_ASL_COMPILER */