0,0 → 1,509 |
/******************************************************************************* |
* |
* Module Name: dmresrc.c - Resource Descriptor disassembly |
* |
******************************************************************************/ |
|
/****************************************************************************** |
* |
* 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. |
* |
*****************************************************************************/ |
|
|
#include "acpi.h" |
#include "accommon.h" |
#include "amlcode.h" |
#include "acdisasm.h" |
|
#ifdef ACPI_DISASSEMBLER |
|
#define _COMPONENT ACPI_CA_DEBUGGER |
ACPI_MODULE_NAME ("dbresrc") |
|
|
/* Dispatch tables for Resource disassembly functions */ |
|
typedef |
void (*ACPI_RESOURCE_HANDLER) ( |
AML_RESOURCE *Resource, |
UINT32 Length, |
UINT32 Level); |
|
static ACPI_RESOURCE_HANDLER AcpiGbl_DmResourceDispatch [] = |
{ |
/* Small descriptors */ |
|
NULL, /* 0x00, Reserved */ |
NULL, /* 0x01, Reserved */ |
NULL, /* 0x02, Reserved */ |
NULL, /* 0x03, Reserved */ |
AcpiDmIrqDescriptor, /* 0x04, ACPI_RESOURCE_NAME_IRQ_FORMAT */ |
AcpiDmDmaDescriptor, /* 0x05, ACPI_RESOURCE_NAME_DMA_FORMAT */ |
AcpiDmStartDependentDescriptor, /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */ |
AcpiDmEndDependentDescriptor, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */ |
AcpiDmIoDescriptor, /* 0x08, ACPI_RESOURCE_NAME_IO_PORT */ |
AcpiDmFixedIoDescriptor, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO_PORT */ |
NULL, /* 0x0A, Reserved */ |
NULL, /* 0x0B, Reserved */ |
NULL, /* 0x0C, Reserved */ |
NULL, /* 0x0D, Reserved */ |
AcpiDmVendorSmallDescriptor, /* 0x0E, ACPI_RESOURCE_NAME_SMALL_VENDOR */ |
NULL, /* 0x0F, ACPI_RESOURCE_NAME_END_TAG (not used) */ |
|
/* Large descriptors */ |
|
NULL, /* 0x00, Reserved */ |
AcpiDmMemory24Descriptor, /* 0x01, ACPI_RESOURCE_NAME_MEMORY_24 */ |
AcpiDmGenericRegisterDescriptor,/* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */ |
NULL, /* 0x03, Reserved */ |
AcpiDmVendorLargeDescriptor, /* 0x04, ACPI_RESOURCE_NAME_LARGE_VENDOR */ |
AcpiDmMemory32Descriptor, /* 0x05, ACPI_RESOURCE_NAME_MEMORY_32 */ |
AcpiDmFixedMemory32Descriptor, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY_32 */ |
AcpiDmDwordDescriptor, /* 0x07, ACPI_RESOURCE_NAME_DWORD_ADDRESS_SPACE */ |
AcpiDmWordDescriptor, /* 0x08, ACPI_RESOURCE_NAME_WORD_ADDRESS_SPACE */ |
AcpiDmInterruptDescriptor, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_XRUPT */ |
AcpiDmQwordDescriptor, /* 0x0A, ACPI_RESOURCE_NAME_QWORD_ADDRESS_SPACE */ |
AcpiDmExtendedDescriptor /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */ |
}; |
|
|
/* Only used for single-threaded applications */ |
/* TBD: remove when name is passed as parameter to the dump functions */ |
|
static UINT32 ResourceName; |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiDmDescriptorName |
* |
* PARAMETERS: None |
* |
* RETURN: None |
* |
* DESCRIPTION: Emit a name for the descriptor if one is present (indicated |
* by the name being changed from the default name.) A name is only |
* emitted if a reference to the descriptor has been made somewhere |
* in the original ASL code. |
* |
******************************************************************************/ |
|
void |
AcpiDmDescriptorName ( |
void) |
{ |
|
if (ResourceName == ACPI_DEFAULT_RESNAME) |
{ |
return; |
} |
|
AcpiOsPrintf ("%4.4s", (char *) &ResourceName); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiDmDumpInteger* |
* |
* PARAMETERS: Value - Value to emit |
* Name - Associated name (emitted as a comment) |
* |
* RETURN: None |
* |
* DESCRIPTION: Integer output helper functions |
* |
******************************************************************************/ |
|
void |
AcpiDmDumpInteger8 ( |
UINT8 Value, |
char *Name) |
{ |
AcpiOsPrintf ("0x%2.2X, // %s\n", Value, Name); |
} |
|
void |
AcpiDmDumpInteger16 ( |
UINT16 Value, |
char *Name) |
{ |
AcpiOsPrintf ("0x%4.4X, // %s\n", Value, Name); |
} |
|
void |
AcpiDmDumpInteger32 ( |
UINT32 Value, |
char *Name) |
{ |
AcpiOsPrintf ("0x%8.8X, // %s\n", Value, Name); |
} |
|
void |
AcpiDmDumpInteger64 ( |
UINT64 Value, |
char *Name) |
{ |
AcpiOsPrintf ("0x%8.8X%8.8X, // %s\n", ACPI_FORMAT_UINT64 (Value), Name); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiDmBitList |
* |
* PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt |
* or DMA values |
* |
* RETURN: None |
* |
* DESCRIPTION: Dump a bit mask as a list of individual interrupt/DMA levels. |
* |
******************************************************************************/ |
|
void |
AcpiDmBitList ( |
UINT16 Mask) |
{ |
UINT32 i; |
BOOLEAN Previous = FALSE; |
|
|
/* Open the initializer list */ |
|
AcpiOsPrintf ("{"); |
|
/* Examine each bit */ |
|
for (i = 0; i < 16; i++) |
{ |
/* Only interested in bits that are set to 1 */ |
|
if (Mask & 1) |
{ |
if (Previous) |
{ |
AcpiOsPrintf (","); |
} |
Previous = TRUE; |
AcpiOsPrintf ("%u", i); |
} |
|
Mask >>= 1; |
} |
|
/* Close list */ |
|
AcpiOsPrintf ("}\n"); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiDmResourceTemplate |
* |
* PARAMETERS: Info - Curent parse tree walk info |
* ByteData - Pointer to the byte list data |
* ByteCount - Length of the byte list |
* |
* RETURN: None |
* |
* DESCRIPTION: Dump the contents of a Resource Template containing a set of |
* Resource Descriptors. |
* |
******************************************************************************/ |
|
void |
AcpiDmResourceTemplate ( |
ACPI_OP_WALK_INFO *Info, |
ACPI_PARSE_OBJECT *Op, |
UINT8 *ByteData, |
UINT32 ByteCount) |
{ |
ACPI_STATUS Status; |
UINT32 CurrentByteOffset; |
UINT8 ResourceType; |
UINT32 ResourceLength; |
void *Aml; |
UINT32 Level; |
BOOLEAN DependentFns = FALSE; |
UINT8 ResourceIndex; |
ACPI_NAMESPACE_NODE *Node; |
|
|
Level = Info->Level; |
ResourceName = ACPI_DEFAULT_RESNAME; |
Node = Op->Common.Node; |
if (Node) |
{ |
Node = Node->Child; |
} |
|
for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount;) |
{ |
Aml = &ByteData[CurrentByteOffset]; |
|
/* Get the descriptor type and length */ |
|
ResourceType = AcpiUtGetResourceType (Aml); |
ResourceLength = AcpiUtGetResourceLength (Aml); |
|
/* Validate the Resource Type and Resource Length */ |
|
Status = AcpiUtValidateResource (Aml, &ResourceIndex); |
if (ACPI_FAILURE (Status)) |
{ |
AcpiOsPrintf ("/*** Could not validate Resource, type (%X) %s***/\n", |
ResourceType, AcpiFormatException (Status)); |
return; |
} |
|
/* Point to next descriptor */ |
|
CurrentByteOffset += AcpiUtGetDescriptorLength (Aml); |
|
/* Descriptor pre-processing */ |
|
switch (ResourceType) |
{ |
case ACPI_RESOURCE_NAME_START_DEPENDENT: |
|
/* Finish a previous StartDependentFns */ |
|
if (DependentFns) |
{ |
Level--; |
AcpiDmIndent (Level); |
AcpiOsPrintf ("}\n"); |
} |
break; |
|
case ACPI_RESOURCE_NAME_END_DEPENDENT: |
|
Level--; |
DependentFns = FALSE; |
break; |
|
case ACPI_RESOURCE_NAME_END_TAG: |
|
/* Normal exit, the resource list is finished */ |
|
if (DependentFns) |
{ |
/* |
* Close an open StartDependentDescriptor. This indicates a |
* missing EndDependentDescriptor. |
*/ |
Level--; |
DependentFns = FALSE; |
|
/* Go ahead and insert EndDependentFn() */ |
|
AcpiDmEndDependentDescriptor (Aml, ResourceLength, Level); |
|
AcpiDmIndent (Level); |
AcpiOsPrintf ( |
"/*** Disassembler: inserted missing EndDependentFn () ***/\n"); |
} |
return; |
|
default: |
break; |
} |
|
/* Disassemble the resource structure */ |
|
if (Node) |
{ |
ResourceName = Node->Name.Integer; |
Node = Node->Peer; |
} |
|
AcpiGbl_DmResourceDispatch [ResourceIndex] ( |
Aml, ResourceLength, Level); |
|
/* Descriptor post-processing */ |
|
if (ResourceType == ACPI_RESOURCE_NAME_START_DEPENDENT) |
{ |
DependentFns = TRUE; |
Level++; |
} |
} |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiDmIsResourceTemplate |
* |
* PARAMETERS: Op - Buffer Op to be examined |
* |
* RETURN: Status. AE_OK if valid template |
* |
* DESCRIPTION: Walk a byte list to determine if it consists of a valid set |
* of resource descriptors. Nothing is output. |
* |
******************************************************************************/ |
|
ACPI_STATUS |
AcpiDmIsResourceTemplate ( |
ACPI_PARSE_OBJECT *Op) |
{ |
ACPI_STATUS Status; |
ACPI_PARSE_OBJECT *NextOp; |
UINT8 *Aml; |
UINT8 *EndAml; |
ACPI_SIZE Length; |
|
|
/* This op must be a buffer */ |
|
if (Op->Common.AmlOpcode != AML_BUFFER_OP) |
{ |
return (AE_TYPE); |
} |
|
/* Get the ByteData list and length */ |
|
NextOp = Op->Common.Value.Arg; |
NextOp = NextOp->Common.Next; |
if (!NextOp) |
{ |
return (AE_TYPE); |
} |
|
Aml = NextOp->Named.Data; |
Length = (ACPI_SIZE) NextOp->Common.Value.Integer; |
|
/* Walk the byte list, abort on any invalid descriptor type or length */ |
|
Status = AcpiUtWalkAmlResources (Aml, Length, NULL, &EndAml); |
if (ACPI_FAILURE (Status)) |
{ |
return (AE_TYPE); |
} |
|
/* |
* For the resource template to be valid, one EndTag must appear |
* at the very end of the ByteList, not before. (For proper disassembly |
* of a ResourceTemplate, the buffer must not have any extra data after |
* the EndTag.) |
*/ |
if ((Aml + Length - sizeof (AML_RESOURCE_END_TAG)) != EndAml) |
{ |
return (AE_AML_NO_RESOURCE_END_TAG); |
} |
|
/* |
* All resource descriptors are valid, therefore this list appears |
* to be a valid resource template |
*/ |
return (AE_OK); |
} |
|
#endif |