0,0 → 1,683 |
/******************************************************************************* |
* |
* Module Name: rsmisc - Miscellaneous resource descriptors |
* |
******************************************************************************/ |
|
/****************************************************************************** |
* |
* 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 __RSMISC_C__ |
|
#include "acpi.h" |
#include "accommon.h" |
#include "acresrc.h" |
|
#define _COMPONENT ACPI_RESOURCES |
ACPI_MODULE_NAME ("rsmisc") |
|
|
#define INIT_RESOURCE_TYPE(i) i->ResourceOffset |
#define INIT_RESOURCE_LENGTH(i) i->AmlOffset |
#define INIT_TABLE_LENGTH(i) i->Value |
|
#define COMPARE_OPCODE(i) i->ResourceOffset |
#define COMPARE_TARGET(i) i->AmlOffset |
#define COMPARE_VALUE(i) i->Value |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiRsConvertAmlToResource |
* |
* PARAMETERS: Resource - Pointer to the resource descriptor |
* Aml - Where the AML descriptor is returned |
* Info - Pointer to appropriate conversion table |
* |
* RETURN: Status |
* |
* DESCRIPTION: Convert an external AML resource descriptor to the corresponding |
* internal resource descriptor |
* |
******************************************************************************/ |
|
ACPI_STATUS |
AcpiRsConvertAmlToResource ( |
ACPI_RESOURCE *Resource, |
AML_RESOURCE *Aml, |
ACPI_RSCONVERT_INFO *Info) |
{ |
ACPI_RS_LENGTH AmlResourceLength; |
void *Source; |
void *Destination; |
char *Target; |
UINT8 Count; |
UINT8 FlagsMode = FALSE; |
UINT16 ItemCount = 0; |
UINT16 Temp16 = 0; |
|
|
ACPI_FUNCTION_TRACE (RsConvertAmlToResource); |
|
|
if (((ACPI_SIZE) Resource) & 0x3) |
{ |
/* Each internal resource struct is expected to be 32-bit aligned */ |
|
ACPI_WARNING ((AE_INFO, |
"Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", |
Resource, Resource->Type, Resource->Length)); |
} |
|
/* Extract the resource Length field (does not include header length) */ |
|
AmlResourceLength = AcpiUtGetResourceLength (Aml); |
|
/* |
* First table entry must be ACPI_RSC_INITxxx and must contain the |
* table length (# of table entries) |
*/ |
Count = INIT_TABLE_LENGTH (Info); |
|
while (Count) |
{ |
/* |
* Source is the external AML byte stream buffer, |
* destination is the internal resource descriptor |
*/ |
Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); |
Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); |
|
switch (Info->Opcode) |
{ |
case ACPI_RSC_INITGET: |
/* |
* Get the resource type and the initial (minimum) length |
*/ |
ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info)); |
Resource->Type = INIT_RESOURCE_TYPE (Info); |
Resource->Length = INIT_RESOURCE_LENGTH (Info); |
break; |
|
|
case ACPI_RSC_INITSET: |
break; |
|
|
case ACPI_RSC_FLAGINIT: |
|
FlagsMode = TRUE; |
break; |
|
|
case ACPI_RSC_1BITFLAG: |
/* |
* Mask and shift the flag bit |
*/ |
ACPI_SET8 (Destination) = (UINT8) |
((ACPI_GET8 (Source) >> Info->Value) & 0x01); |
break; |
|
|
case ACPI_RSC_2BITFLAG: |
/* |
* Mask and shift the flag bits |
*/ |
ACPI_SET8 (Destination) = (UINT8) |
((ACPI_GET8 (Source) >> Info->Value) & 0x03); |
break; |
|
|
case ACPI_RSC_COUNT: |
|
ItemCount = ACPI_GET8 (Source); |
ACPI_SET8 (Destination) = (UINT8) ItemCount; |
|
Resource->Length = Resource->Length + |
(Info->Value * (ItemCount - 1)); |
break; |
|
|
case ACPI_RSC_COUNT16: |
|
ItemCount = AmlResourceLength; |
ACPI_SET16 (Destination) = ItemCount; |
|
Resource->Length = Resource->Length + |
(Info->Value * (ItemCount - 1)); |
break; |
|
|
case ACPI_RSC_LENGTH: |
|
Resource->Length = Resource->Length + Info->Value; |
break; |
|
|
case ACPI_RSC_MOVE8: |
case ACPI_RSC_MOVE16: |
case ACPI_RSC_MOVE32: |
case ACPI_RSC_MOVE64: |
/* |
* Raw data move. Use the Info value field unless ItemCount has |
* been previously initialized via a COUNT opcode |
*/ |
if (Info->Value) |
{ |
ItemCount = Info->Value; |
} |
AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); |
break; |
|
|
case ACPI_RSC_SET8: |
|
ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value); |
break; |
|
|
case ACPI_RSC_DATA8: |
|
Target = ACPI_ADD_PTR (char, Resource, Info->Value); |
ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target)); |
break; |
|
|
case ACPI_RSC_ADDRESS: |
/* |
* Common handler for address descriptor flags |
*/ |
if (!AcpiRsGetAddressCommon (Resource, Aml)) |
{ |
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); |
} |
break; |
|
|
case ACPI_RSC_SOURCE: |
/* |
* Optional ResourceSource (Index and String) |
*/ |
Resource->Length += |
AcpiRsGetResourceSource (AmlResourceLength, Info->Value, |
Destination, Aml, NULL); |
break; |
|
|
case ACPI_RSC_SOURCEX: |
/* |
* Optional ResourceSource (Index and String). This is the more |
* complicated case used by the Interrupt() macro |
*/ |
Target = ACPI_ADD_PTR (char, Resource, Info->AmlOffset + (ItemCount * 4)); |
|
Resource->Length += |
AcpiRsGetResourceSource (AmlResourceLength, |
(ACPI_RS_LENGTH) (((ItemCount - 1) * sizeof (UINT32)) + Info->Value), |
Destination, Aml, Target); |
break; |
|
|
case ACPI_RSC_BITMASK: |
/* |
* 8-bit encoded bitmask (DMA macro) |
*/ |
ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination); |
if (ItemCount) |
{ |
Resource->Length += (ItemCount - 1); |
} |
|
Target = ACPI_ADD_PTR (char, Resource, Info->Value); |
ACPI_SET8 (Target) = (UINT8) ItemCount; |
break; |
|
|
case ACPI_RSC_BITMASK16: |
/* |
* 16-bit encoded bitmask (IRQ macro) |
*/ |
ACPI_MOVE_16_TO_16 (&Temp16, Source); |
|
ItemCount = AcpiRsDecodeBitmask (Temp16, Destination); |
if (ItemCount) |
{ |
Resource->Length += (ItemCount - 1); |
} |
|
Target = ACPI_ADD_PTR (char, Resource, Info->Value); |
ACPI_SET8 (Target) = (UINT8) ItemCount; |
break; |
|
|
case ACPI_RSC_EXIT_NE: |
/* |
* Control - Exit conversion if not equal |
*/ |
switch (Info->ResourceOffset) |
{ |
case ACPI_RSC_COMPARE_AML_LENGTH: |
if (AmlResourceLength != Info->Value) |
{ |
goto Exit; |
} |
break; |
|
case ACPI_RSC_COMPARE_VALUE: |
if (ACPI_GET8 (Source) != Info->Value) |
{ |
goto Exit; |
} |
break; |
|
default: |
|
ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); |
return_ACPI_STATUS (AE_BAD_PARAMETER); |
} |
break; |
|
|
default: |
|
ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); |
return_ACPI_STATUS (AE_BAD_PARAMETER); |
} |
|
Count--; |
Info++; |
} |
|
Exit: |
if (!FlagsMode) |
{ |
/* Round the resource struct length up to the next boundary (32 or 64) */ |
|
Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length); |
} |
return_ACPI_STATUS (AE_OK); |
} |
|
|
/******************************************************************************* |
* |
* FUNCTION: AcpiRsConvertResourceToAml |
* |
* PARAMETERS: Resource - Pointer to the resource descriptor |
* Aml - Where the AML descriptor is returned |
* Info - Pointer to appropriate conversion table |
* |
* RETURN: Status |
* |
* DESCRIPTION: Convert an internal resource descriptor to the corresponding |
* external AML resource descriptor. |
* |
******************************************************************************/ |
|
ACPI_STATUS |
AcpiRsConvertResourceToAml ( |
ACPI_RESOURCE *Resource, |
AML_RESOURCE *Aml, |
ACPI_RSCONVERT_INFO *Info) |
{ |
void *Source = NULL; |
void *Destination; |
ACPI_RSDESC_SIZE AmlLength = 0; |
UINT8 Count; |
UINT16 Temp16 = 0; |
UINT16 ItemCount = 0; |
|
|
ACPI_FUNCTION_TRACE (RsConvertResourceToAml); |
|
|
/* |
* First table entry must be ACPI_RSC_INITxxx and must contain the |
* table length (# of table entries) |
*/ |
Count = INIT_TABLE_LENGTH (Info); |
|
while (Count) |
{ |
/* |
* Source is the internal resource descriptor, |
* destination is the external AML byte stream buffer |
*/ |
Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset); |
Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset); |
|
switch (Info->Opcode) |
{ |
case ACPI_RSC_INITSET: |
|
ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info)); |
AmlLength = INIT_RESOURCE_LENGTH (Info); |
AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml); |
break; |
|
|
case ACPI_RSC_INITGET: |
break; |
|
|
case ACPI_RSC_FLAGINIT: |
/* |
* Clear the flag byte |
*/ |
ACPI_SET8 (Destination) = 0; |
break; |
|
|
case ACPI_RSC_1BITFLAG: |
/* |
* Mask and shift the flag bit |
*/ |
ACPI_SET8 (Destination) |= (UINT8) |
((ACPI_GET8 (Source) & 0x01) << Info->Value); |
break; |
|
|
case ACPI_RSC_2BITFLAG: |
/* |
* Mask and shift the flag bits |
*/ |
ACPI_SET8 (Destination) |= (UINT8) |
((ACPI_GET8 (Source) & 0x03) << Info->Value); |
break; |
|
|
case ACPI_RSC_COUNT: |
|
ItemCount = ACPI_GET8 (Source); |
ACPI_SET8 (Destination) = (UINT8) ItemCount; |
|
AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1))); |
break; |
|
|
case ACPI_RSC_COUNT16: |
|
ItemCount = ACPI_GET16 (Source); |
AmlLength = (UINT16) (AmlLength + ItemCount); |
AcpiRsSetResourceLength (AmlLength, Aml); |
break; |
|
|
case ACPI_RSC_LENGTH: |
|
AcpiRsSetResourceLength (Info->Value, Aml); |
break; |
|
|
case ACPI_RSC_MOVE8: |
case ACPI_RSC_MOVE16: |
case ACPI_RSC_MOVE32: |
case ACPI_RSC_MOVE64: |
|
if (Info->Value) |
{ |
ItemCount = Info->Value; |
} |
AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode); |
break; |
|
|
case ACPI_RSC_ADDRESS: |
|
/* Set the Resource Type, General Flags, and Type-Specific Flags */ |
|
AcpiRsSetAddressCommon (Aml, Resource); |
break; |
|
|
case ACPI_RSC_SOURCEX: |
/* |
* Optional ResourceSource (Index and String) |
*/ |
AmlLength = AcpiRsSetResourceSource ( |
Aml, (ACPI_RS_LENGTH) AmlLength, Source); |
AcpiRsSetResourceLength (AmlLength, Aml); |
break; |
|
|
case ACPI_RSC_SOURCE: |
/* |
* Optional ResourceSource (Index and String). This is the more |
* complicated case used by the Interrupt() macro |
*/ |
AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source); |
AcpiRsSetResourceLength (AmlLength, Aml); |
break; |
|
|
case ACPI_RSC_BITMASK: |
/* |
* 8-bit encoded bitmask (DMA macro) |
*/ |
ACPI_SET8 (Destination) = (UINT8) |
AcpiRsEncodeBitmask (Source, |
*ACPI_ADD_PTR (UINT8, Resource, Info->Value)); |
break; |
|
|
case ACPI_RSC_BITMASK16: |
/* |
* 16-bit encoded bitmask (IRQ macro) |
*/ |
Temp16 = AcpiRsEncodeBitmask (Source, |
*ACPI_ADD_PTR (UINT8, Resource, Info->Value)); |
ACPI_MOVE_16_TO_16 (Destination, &Temp16); |
break; |
|
|
case ACPI_RSC_EXIT_LE: |
/* |
* Control - Exit conversion if less than or equal |
*/ |
if (ItemCount <= Info->Value) |
{ |
goto Exit; |
} |
break; |
|
|
case ACPI_RSC_EXIT_NE: |
/* |
* Control - Exit conversion if not equal |
*/ |
switch (COMPARE_OPCODE (Info)) |
{ |
case ACPI_RSC_COMPARE_VALUE: |
|
if (*ACPI_ADD_PTR (UINT8, Resource, |
COMPARE_TARGET (Info)) != COMPARE_VALUE (Info)) |
{ |
goto Exit; |
} |
break; |
|
default: |
|
ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode")); |
return_ACPI_STATUS (AE_BAD_PARAMETER); |
} |
break; |
|
|
case ACPI_RSC_EXIT_EQ: |
/* |
* Control - Exit conversion if equal |
*/ |
if (*ACPI_ADD_PTR (UINT8, Resource, |
COMPARE_TARGET (Info)) == COMPARE_VALUE (Info)) |
{ |
goto Exit; |
} |
break; |
|
|
default: |
|
ACPI_ERROR ((AE_INFO, "Invalid conversion opcode")); |
return_ACPI_STATUS (AE_BAD_PARAMETER); |
} |
|
Count--; |
Info++; |
} |
|
Exit: |
return_ACPI_STATUS (AE_OK); |
} |
|
|
#if 0 |
/* Previous resource validations */ |
|
if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) |
{ |
return_ACPI_STATUS (AE_SUPPORT); |
} |
|
if (Resource->Data.StartDpf.PerformanceRobustness >= 3) |
{ |
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE); |
} |
|
if (((Aml->Irq.Flags & 0x09) == 0x00) || |
((Aml->Irq.Flags & 0x09) == 0x09)) |
{ |
/* |
* Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive] |
* polarity/trigger interrupts are allowed (ACPI spec, section |
* "IRQ Format"), so 0x00 and 0x09 are illegal. |
*/ |
ACPI_ERROR ((AE_INFO, |
"Invalid interrupt polarity/trigger in resource list, 0x%X", |
Aml->Irq.Flags)); |
return_ACPI_STATUS (AE_BAD_DATA); |
} |
|
Resource->Data.ExtendedIrq.InterruptCount = Temp8; |
if (Temp8 < 1) |
{ |
/* Must have at least one IRQ */ |
|
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH); |
} |
|
if (Resource->Data.Dma.Transfer == 0x03) |
{ |
ACPI_ERROR ((AE_INFO, |
"Invalid DMA.Transfer preference (3)")); |
return_ACPI_STATUS (AE_BAD_DATA); |
} |
#endif |
|
|