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Remove files that removed on the vendor branch.

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This commit is contained in:
Jung-uk Kim 2007-03-22 17:47:41 +00:00
parent 73d8e290c6
commit 58bffa15c2
2 changed files with 0 additions and 1549 deletions
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sys/contrib/dev/acpica/aeexec.c
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@ -1,947 +0,0 @@
/******************************************************************************
*
* Module Name: aeexec - Support routines for AcpiExec utility
* $Revision: 1.88 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2005, 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 <contrib/dev/acpica/aecommon.h>
#define _COMPONENT ACPI_TOOLS
ACPI_MODULE_NAME ("aeexec")
ACPI_PARSE_OBJECT *AcpiGbl_ParsedNamespaceRoot;
ACPI_PARSE_OBJECT *root;
UINT8 *AmlStart;
UINT32 AmlLength;
UINT8 *DsdtPtr;
UINT32 AcpiDsdtLength;
DEBUG_REGIONS AeRegions;
RSDP_DESCRIPTOR LocalRsdp;
/*
* Misc ACPI tables to be installed
*/
unsigned char Ssdt1Code[] =
{
0x53,0x53,0x44,0x54,0x30,0x00,0x00,0x00, /* 00000000 "SSDT0..." */
0x01,0xB8,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
0x24,0x04,0x03,0x20,0x14,0x0B,0x5F,0x54, /* 00000020 "$.. .._T" */
0x39,0x38,0x00,0x70,0x0A,0x04,0x60,0xA4, /* 00000028 "98.p..`." */
};
unsigned char Ssdt2Code[] =
{
0x53,0x53,0x44,0x54,0x30,0x00,0x00,0x00, /* 00000000 "SSDT0..." */
0x01,0xB7,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 "..Intel." */
0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
0x24,0x04,0x03,0x20,0x14,0x0B,0x5F,0x54, /* 00000020 "$.. .._T" */
0x39,0x39,0x00,0x70,0x0A,0x04,0x60,0xA4, /* 00000028 "99.p..`." */
};
unsigned char Oem1Code[] =
{
0x4F,0x45,0x4D,0x31,0x38,0x00,0x00,0x00, /* 00000000 "OEM18..." */
0x01,0x4B,0x49,0x6E,0x74,0x65,0x6C,0x00, /* 00000008 ".KIntel." */
0x4D,0x61,0x6E,0x79,0x00,0x00,0x00,0x00, /* 00000010 "Many...." */
0x01,0x00,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
0x18,0x09,0x03,0x20,0x08,0x5F,0x58,0x54, /* 00000020 "... ._XT" */
0x32,0x0A,0x04,0x14,0x0C,0x5F,0x58,0x54, /* 00000028 "2...._XT" */
0x31,0x00,0x70,0x01,0x5F,0x58,0x54,0x32, /* 00000030 "1.p._XT2" */
};
/*
* We need a local FADT so that the hardware subcomponent will function,
* even though the underlying OSD HW access functions don't do
* anything.
*/
RSDP_DESCRIPTOR LocalRSDP;
FADT_DESCRIPTOR_REV1 LocalFADT;
FACS_DESCRIPTOR_REV1 LocalFACS;
ACPI_TABLE_HEADER LocalDSDT;
ACPI_TABLE_HEADER LocalTEST;
ACPI_TABLE_HEADER LocalBADTABLE;
RSDT_DESCRIPTOR_REV1 *LocalRSDT;
#define RSDT_TABLES 7
#define RSDT_SIZE (sizeof (RSDT_DESCRIPTOR_REV1) + ((RSDT_TABLES -1) * sizeof (UINT32)))
/******************************************************************************
*
* FUNCTION: AeCtrlCHandler
*
* PARAMETERS: Sig
*
* RETURN: none
*
* DESCRIPTION: Control-C handler. Abort running control method if any.
*
*****************************************************************************/
void
AeCtrlCHandler (
int Sig)
{
signal (SIGINT, SIG_IGN);
AcpiOsPrintf ("Caught a ctrl-c\n\n");
if (AcpiGbl_MethodExecuting)
{
AcpiGbl_AbortMethod = TRUE;
signal (SIGINT, AeCtrlCHandler);
}
else
{
exit (0);
}
}
/******************************************************************************
*
* FUNCTION: AeBuildLocalTables
*
* PARAMETERS:
*
* RETURN: Status
*
* DESCRIPTION:
*
*****************************************************************************/
ACPI_STATUS
AeBuildLocalTables (
ACPI_TABLE_HEADER *UserTable)
{
/* Build an RSDT */
LocalRSDT = AcpiOsAllocate (RSDT_SIZE);
if (!LocalRSDT)
{
return AE_NO_MEMORY;
}
ACPI_MEMSET (LocalRSDT, 0, RSDT_SIZE);
ACPI_STRNCPY (LocalRSDT->Signature, RSDT_SIG, 4);
LocalRSDT->Length = RSDT_SIZE;
LocalRSDT->TableOffsetEntry[0] = ACPI_PTR_TO_PHYSADDR (&LocalTEST);
LocalRSDT->TableOffsetEntry[1] = ACPI_PTR_TO_PHYSADDR (&LocalBADTABLE);
LocalRSDT->TableOffsetEntry[2] = ACPI_PTR_TO_PHYSADDR (&LocalFADT);
LocalRSDT->TableOffsetEntry[3] = ACPI_PTR_TO_PHYSADDR (&LocalTEST); /* Just a placeholder for a user SSDT */
/* Install two SSDTs to test multiple table support */
LocalRSDT->TableOffsetEntry[4] = ACPI_PTR_TO_PHYSADDR (&Ssdt1Code);
LocalRSDT->TableOffsetEntry[5] = ACPI_PTR_TO_PHYSADDR (&Ssdt2Code);
/* Install the OEM1 table to test LoadTable */
LocalRSDT->TableOffsetEntry[6] = ACPI_PTR_TO_PHYSADDR (&Oem1Code);
/* Build an RSDP */
ACPI_MEMSET (&LocalRSDP, 0, sizeof (RSDP_DESCRIPTOR));
ACPI_STRNCPY (LocalRSDP.Signature, RSDP_SIG, 8);
LocalRSDP.Revision = 1;
LocalRSDP.RsdtPhysicalAddress = ACPI_PTR_TO_PHYSADDR (LocalRSDT);
AcpiGbl_RSDP = &LocalRSDP;
/*
* Examine the incoming user table. At this point, it has been verified
* to be either a DSDT, SSDT, or a PSDT, but they must be handled differently
*/
if (!ACPI_STRNCMP ((char *) UserTable->Signature, DSDT_SIG, 4))
{
/* User DSDT is installed directly into the FADT */
AcpiGbl_DSDT = UserTable;
}
else
{
/* Build a local DSDT because incoming table is an SSDT or PSDT */
ACPI_MEMSET (&LocalDSDT, 0, sizeof (ACPI_TABLE_HEADER));
ACPI_STRNCPY (LocalDSDT.Signature, DSDT_SIG, 4);
LocalDSDT.Revision = 1;
LocalDSDT.Length = sizeof (ACPI_TABLE_HEADER);
LocalDSDT.Checksum = (UINT8) (0 - AcpiTbGenerateChecksum (&LocalDSDT, LocalDSDT.Length));
AcpiGbl_DSDT = &LocalDSDT;
/* Install incoming table (SSDT or PSDT) directly into the RSDT */
LocalRSDT->TableOffsetEntry[3] = ACPI_PTR_TO_PHYSADDR (UserTable);
}
/* Set checksums for both RSDT and RSDP */
LocalRSDT->Checksum = (UINT8) (0 - AcpiTbGenerateChecksum (LocalRSDT, LocalRSDT->Length));
LocalRSDP.Checksum = (UINT8) (0 - AcpiTbGenerateChecksum (&LocalRSDP, ACPI_RSDP_CHECKSUM_LENGTH));
/* Build a FADT so we can test the hardware/event init */
ACPI_MEMSET (&LocalFADT, 0, sizeof (FADT_DESCRIPTOR_REV1));
ACPI_STRNCPY (LocalFADT.Signature, FADT_SIG, 4);
LocalFADT.FirmwareCtrl = ACPI_PTR_TO_PHYSADDR (&LocalFACS);
LocalFADT.Dsdt = ACPI_PTR_TO_PHYSADDR (AcpiGbl_DSDT);
LocalFADT.Revision = 1;
LocalFADT.Length = sizeof (FADT_DESCRIPTOR_REV1);
LocalFADT.Gpe0BlkLen = 16;
LocalFADT.Gpe1BlkLen = 6;
LocalFADT.Gpe1Base = 96;
LocalFADT.Pm1EvtLen = 4;
LocalFADT.Pm1CntLen = 4;
LocalFADT.PmTmLen = 8;
LocalFADT.Gpe0Blk = 0x12340000;
LocalFADT.Gpe1Blk = 0x56780000;
LocalFADT.Pm1aEvtBlk = 0x1aaa0000;
LocalFADT.Pm1bEvtBlk = 0;
LocalFADT.PmTmrBlk = 0xA0;
LocalFADT.Pm1aCntBlk = 0xB0;
/* Complete the FADT with the checksum */
LocalFADT.Checksum = (UINT8) (0 - AcpiTbGenerateChecksum (&LocalFADT, LocalFADT.Length));
/* Build a FACS */
ACPI_MEMSET (&LocalFACS, 0, sizeof (FACS_DESCRIPTOR_REV1));
ACPI_STRNCPY (LocalFACS.Signature, FACS_SIG, 4);
LocalFACS.Length = sizeof (FACS_DESCRIPTOR_REV1);
LocalFACS.GlobalLock = 0x11AA0011;
/* Build a fake table so that we make sure that the CA core ignores it */
ACPI_MEMSET (&LocalTEST, 0, sizeof (ACPI_TABLE_HEADER));
ACPI_STRNCPY (LocalTEST.Signature, "TEST", 4);
LocalTEST.Revision = 1;
LocalTEST.Length = sizeof (ACPI_TABLE_HEADER);
/* Build a fake table with a bad signature so that we make sure that the CA core ignores it */
ACPI_MEMSET (&LocalBADTABLE, 0, sizeof (ACPI_TABLE_HEADER));
ACPI_STRNCPY (LocalBADTABLE.Signature, "BAD!", 4);
LocalBADTABLE.Revision = 1;
LocalBADTABLE.Length = sizeof (ACPI_TABLE_HEADER);
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AeInstallTables
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Install the various ACPI tables
*
*****************************************************************************/
ACPI_STATUS
AeInstallTables (void)
{
ACPI_STATUS Status;
Status = AcpiLoadTables ();
/* Test the code that ignores multiple loads of same SSDT */
(void) AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt1Code);
#if 0
Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) &LocalFADT);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not load local FADT, %s\n", AcpiFormatException (Status));
return (Status);
}
Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) &LocalFACS);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not load local FACS, %s\n", AcpiFormatException (Status));
return (Status);
}
#endif
return (Status);
}
/******************************************************************************
*
* FUNCTION: AeLocalGetRootPointer
*
* PARAMETERS: Flags - not used
* Address - Where the root pointer is returned
*
* RETURN: Status
*
* DESCRIPTION: Return a local RSDP, used to dynamically load tables via the
* standard ACPI mechanism.
*
*****************************************************************************/
ACPI_STATUS
AeLocalGetRootPointer (
UINT32 Flags,
ACPI_POINTER *Address)
{
Address->PointerType = ACPI_LOGICAL_POINTER;
Address->Pointer.Logical = &LocalRSDP;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AeRegionHandler
*
* PARAMETERS: Standard region handler parameters
*
* RETURN: Status
*
* DESCRIPTION: Test handler - Handles some dummy regions via memory that can
* be manipulated in Ring 3.
*
*****************************************************************************/
ACPI_STATUS
AeRegionHandler (
UINT32 Function,
ACPI_PHYSICAL_ADDRESS Address,
UINT32 BitWidth,
ACPI_INTEGER *Value,
void *HandlerContext,
void *RegionContext)
{
ACPI_OPERAND_OBJECT *RegionObject = (ACPI_OPERAND_OBJECT*) RegionContext;
ACPI_PHYSICAL_ADDRESS BaseAddress;
ACPI_SIZE Length;
BOOLEAN BufferExists;
REGION *RegionElement;
void *BufferValue;
UINT32 ByteWidth;
UINT32 i;
ACPI_FUNCTION_NAME ("AeRegionHandler");
/*
* If the object is not a region, simply return
*/
if (RegionObject->Region.Type != ACPI_TYPE_REGION)
{
return AE_OK;
}
/*
* Find the region's address space and length before searching
* the linked list.
*/
BaseAddress = RegionObject->Region.Address;
Length = (ACPI_SIZE) RegionObject->Region.Length;
ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, "Operation Region request on %s at 0x%X\n",
AcpiUtGetRegionName (RegionObject->Region.SpaceId),
(UINT32) Address));
if (RegionObject->Region.SpaceId == ACPI_ADR_SPACE_SMBUS)
{
Length = 0;
switch (Function & ACPI_IO_MASK)
{
case ACPI_READ:
switch (Function >> 16)
{
case AML_FIELD_ATTRIB_SMB_QUICK:
case AML_FIELD_ATTRIB_SMB_SEND_RCV:
case AML_FIELD_ATTRIB_SMB_BYTE:
Length = 1;
break;
case AML_FIELD_ATTRIB_SMB_WORD:
case AML_FIELD_ATTRIB_SMB_WORD_CALL:
Length = 2;
break;
case AML_FIELD_ATTRIB_SMB_BLOCK:
case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
Length = 32;
break;
default:
break;
}
break;
case ACPI_WRITE:
switch (Function >> 16)
{
case AML_FIELD_ATTRIB_SMB_QUICK:
case AML_FIELD_ATTRIB_SMB_SEND_RCV:
case AML_FIELD_ATTRIB_SMB_BYTE:
case AML_FIELD_ATTRIB_SMB_WORD:
case AML_FIELD_ATTRIB_SMB_BLOCK:
Length = 0;
break;
case AML_FIELD_ATTRIB_SMB_WORD_CALL:
Length = 2;
break;
case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
Length = 32;
break;
default:
break;
}
break;
default:
break;
}
for (i = 0; i < Length; i++)
{
((UINT8 *) Value)[i+2] = (UINT8) (0xA0 + i);
}
((UINT8 *) Value)[0] = 0x7A;
((UINT8 *) Value)[1] = (UINT8) Length;
return AE_OK;
}
/*
* Search through the linked list for this region's buffer
*/
BufferExists = FALSE;
RegionElement = AeRegions.RegionList;
if (AeRegions.NumberOfRegions)
{
while (!BufferExists && RegionElement)
{
if (RegionElement->Address == BaseAddress &&
RegionElement->Length == Length)
{
BufferExists = TRUE;
}
else
{
RegionElement = RegionElement->NextRegion;
}
}
}
/*
* If the Region buffer does not exist, create it now
*/
if (!BufferExists)
{
/*
* Do the memory allocations first
*/
RegionElement = AcpiOsAllocate (sizeof (REGION));
if (!RegionElement)
{
return AE_NO_MEMORY;
}
RegionElement->Buffer = AcpiOsAllocate (Length);
if (!RegionElement->Buffer)
{
AcpiOsFree (RegionElement);
return AE_NO_MEMORY;
}
ACPI_MEMSET (RegionElement->Buffer, 0, Length);
RegionElement->Address = BaseAddress;
RegionElement->Length = Length;
RegionElement->NextRegion = NULL;
/*
* Increment the number of regions and put this one
* at the head of the list as it will probably get accessed
* more often anyway.
*/
AeRegions.NumberOfRegions += 1;
if (NULL != AeRegions.RegionList)
{
RegionElement->NextRegion = AeRegions.RegionList->NextRegion;
}
AeRegions.RegionList = RegionElement;
}
/*
* Calculate the size of the memory copy
*/
ByteWidth = (BitWidth / 8);
if (BitWidth % 8)
{
ByteWidth += 1;
}
/*
* The buffer exists and is pointed to by RegionElement.
* We now need to verify the request is valid and perform the operation.
*
* NOTE: RegionElement->Length is in bytes, therefore it we compare against
* ByteWidth (see above)
*/
if (((ACPI_INTEGER) Address + ByteWidth) >
((ACPI_INTEGER)(RegionElement->Address) + RegionElement->Length))
{
ACPI_DEBUG_PRINT ((ACPI_DB_WARN,
"Request on [%4.4s] is beyond region limit Req-%X+%X, Base=%X, Len-%X\n",
(RegionObject->Region.Node)->Name.Ascii, (UINT32) Address,
ByteWidth, (UINT32)(RegionElement->Address),
RegionElement->Length));
return AE_AML_REGION_LIMIT;
}
/*
* Get BufferValue to point to the "address" in the buffer
*/
BufferValue = ((UINT8 *) RegionElement->Buffer +
((ACPI_INTEGER) Address - (ACPI_INTEGER) RegionElement->Address));
/*
* Perform a read or write to the buffer space
*/
switch (Function)
{
case ACPI_READ:
/*
* Set the pointer Value to whatever is in the buffer
*/
ACPI_MEMCPY (Value, BufferValue, ByteWidth);
break;
case ACPI_WRITE:
/*
* Write the contents of Value to the buffer
*/
ACPI_MEMCPY (BufferValue, Value, ByteWidth);
break;
default:
return AE_BAD_PARAMETER;
}
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AeRegionInit
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Opregion init function.
*
*****************************************************************************/
ACPI_STATUS
AeRegionInit (
ACPI_HANDLE RegionHandle,
UINT32 Function,
void *HandlerContext,
void **RegionContext)
{
/*
* Real simple, set the RegionContext to the RegionHandle
*/
*RegionContext = RegionHandle;
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AeNotifyHandler
*
* PARAMETERS: Standard notify handler parameters
*
* RETURN: Status
*
* DESCRIPTION: System notify handler for AcpiExec utility. Used by the ASL
* test suite(s) to communicate errors and other information to
* this utility via the Notify() operator.
*
*****************************************************************************/
void
AeNotifyHandler (
ACPI_HANDLE Device,
UINT32 Value,
void *Context)
{
switch (Value)
{
#if 0
case 0:
printf ("**** Method Error 0x%X: Results not equal\n", Value);
if (AcpiGbl_DebugFile)
{
AcpiOsPrintf ("**** Method Error: Results not equal\n");
}
break;
case 1:
printf ("**** Method Error: Incorrect numeric result\n");
if (AcpiGbl_DebugFile)
{
AcpiOsPrintf ("**** Method Error: Incorrect numeric result\n");
}
break;
case 2:
printf ("**** Method Error: An operand was overwritten\n");
if (AcpiGbl_DebugFile)
{
AcpiOsPrintf ("**** Method Error: An operand was overwritten\n");
}
break;
#endif
default:
printf ("**** Received a Notify on Device [%4.4s] %p value 0x%X\n",
AcpiUtGetNodeName (Device), Device, Value);
if (AcpiGbl_DebugFile)
{
AcpiOsPrintf ("**** Received a notify, value 0x%X\n", Value);
}
break;
}
}
/******************************************************************************
*
* FUNCTION: AeExceptionHandler
*
* PARAMETERS: Standard exception handler parameters
*
* RETURN: Status
*
* DESCRIPTION: System exception handler for AcpiExec utility.
*
*****************************************************************************/
ACPI_STATUS
AeExceptionHandler (
ACPI_STATUS AmlStatus,
ACPI_NAME Name,
UINT16 Opcode,
UINT32 AmlOffset,
void *Context)
{
ACPI_STATUS Status;
ACPI_BUFFER ReturnObj;
ACPI_OBJECT_LIST ArgList;
ACPI_OBJECT Arg[2];
const char *Exception;
Exception = AcpiFormatException (AmlStatus);
AcpiOsPrintf (
"**** AcpiExec Exception: %s during execution of method [%4.4s] Opcode [%s] @%X\n",
Exception, (char *) &Name, AcpiPsGetOpcodeName (Opcode), AmlOffset);
/*
* Invoke the _ERR method if present
*
* Setup parameter object
*/
ArgList.Count = 2;
ArgList.Pointer = Arg;
Arg[0].Type = ACPI_TYPE_INTEGER;
Arg[0].Integer.Value = AmlStatus;
Arg[1].Type = ACPI_TYPE_STRING;
Arg[1].String.Pointer = (char *) Exception;
Arg[1].String.Length = ACPI_STRLEN (Exception);
/* Setup return buffer */
ReturnObj.Pointer = NULL;
ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
Status = AcpiEvaluateObject (NULL, "\\_ERR", &ArgList, &ReturnObj);
if (ACPI_SUCCESS (Status) &&
ReturnObj.Pointer)
{
/* Override original status */
AmlStatus = (ACPI_STATUS)
((ACPI_OBJECT *) ReturnObj.Pointer)->Integer.Value;
AcpiOsFree (ReturnObj.Pointer);
}
return (AmlStatus);
}
/******************************************************************************
*
* FUNCTION: AeInstallHandlers
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Install handlers for the AcpiExec utility.
* NOTE: Currently only a system notify handler is installed.
*
*****************************************************************************/
ACPI_ADR_SPACE_TYPE SpaceId[] = {0, 1, 2, 3, 4, 0x80};
#define AEXEC_NUM_REGIONS 6
ACPI_STATUS
AeInstallHandlers (void)
{
ACPI_STATUS Status;
UINT32 i;
ACPI_HANDLE Handle;
ACPI_FUNCTION_NAME ("AeInstallHandlers");
Status = AcpiInstallExceptionHandler (AeExceptionHandler);
if (ACPI_FAILURE (Status))
{
printf ("Could not install exception handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY,
AeNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a global notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiGetHandle (NULL, "\\_SB_", &Handle);
if (ACPI_SUCCESS (Status))
{
Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
AeNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiRemoveNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
AeNotifyHandler);
if (ACPI_FAILURE (Status))
{
printf ("Could not remove a notify handler, %s\n",
AcpiFormatException (Status));
}
Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
AeNotifyHandler, NULL);
Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY,
AeNotifyHandler);
Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
AeNotifyHandler, NULL);
if (ACPI_FAILURE (Status))
{
printf ("Could not install a notify handler, %s\n",
AcpiFormatException (Status));
}
}
for (i = 0; i < AEXEC_NUM_REGIONS; i++)
{
if (i == 2)
{
continue;
}
Status = AcpiRemoveAddressSpaceHandler (AcpiGbl_RootNode,
SpaceId[i], AeRegionHandler);
/* Install handler at the root object.
* TBD: all default handlers should be installed here!
*/
Status = AcpiInstallAddressSpaceHandler (AcpiGbl_RootNode,
SpaceId[i], AeRegionHandler, AeRegionInit, NULL);
if (ACPI_FAILURE (Status))
{
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not install an OpRegion handler for %s space(%d), %s\n",
AcpiUtGetRegionName((UINT8) SpaceId[i]), SpaceId[i],
AcpiFormatException (Status)));
return (Status);
}
}
/*
* Initialize the global Region Handler space
* MCW 3/23/00
*/
AeRegions.NumberOfRegions = 0;
AeRegions.RegionList = NULL;
return Status;
}

602
sys/contrib/dev/acpica/tbget.c
View File

@ -1,602 +0,0 @@
/******************************************************************************
*
* Module Name: tbget - ACPI Table get* routines
* $Revision: 90 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2005, 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 __TBGET_C__
#include <contrib/dev/acpica/acpi.h>
#include <contrib/dev/acpica/actables.h>
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME ("tbget")
/* Local prototypes */
static ACPI_STATUS
AcpiTbGetThisTable (
ACPI_POINTER *Address,
ACPI_TABLE_HEADER *Header,
ACPI_TABLE_DESC *TableInfo);
static ACPI_STATUS
AcpiTbTableOverride (
ACPI_TABLE_HEADER *Header,
ACPI_TABLE_DESC *TableInfo);
/*******************************************************************************
*
* FUNCTION: AcpiTbGetTable
*
* PARAMETERS: Address - Address of table to retrieve. Can be
* Logical or Physical
* TableInfo - Where table info is returned
*
* RETURN: None
*
* DESCRIPTION: Get entire table of unknown size.
*
******************************************************************************/
ACPI_STATUS
AcpiTbGetTable (
ACPI_POINTER *Address,
ACPI_TABLE_DESC *TableInfo)
{
ACPI_STATUS Status;
ACPI_TABLE_HEADER Header;
ACPI_FUNCTION_TRACE ("TbGetTable");
/* Get the header in order to get signature and table size */
Status = AcpiTbGetTableHeader (Address, &Header);
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
/* Get the entire table */
Status = AcpiTbGetTableBody (Address, &Header, TableInfo);
if (ACPI_FAILURE (Status))
{
ACPI_REPORT_ERROR (("Could not get ACPI table (size %X), %s\n",
Header.Length, AcpiFormatException (Status)));
return_ACPI_STATUS (Status);
}
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiTbGetTableHeader
*
* PARAMETERS: Address - Address of table to retrieve. Can be
* Logical or Physical
* ReturnHeader - Where the table header is returned
*
* RETURN: Status
*
* DESCRIPTION: Get an ACPI table header. Works in both physical or virtual
* addressing mode. Works with both physical or logical pointers.
* Table is either copied or mapped, depending on the pointer
* type and mode of the processor.
*
******************************************************************************/
ACPI_STATUS
AcpiTbGetTableHeader (
ACPI_POINTER *Address,
ACPI_TABLE_HEADER *ReturnHeader)
{
ACPI_STATUS Status = AE_OK;
ACPI_TABLE_HEADER *Header = NULL;
ACPI_FUNCTION_TRACE ("TbGetTableHeader");
/*
* Flags contains the current processor mode (Virtual or Physical
* addressing) The PointerType is either Logical or Physical
*/
switch (Address->PointerType)
{
case ACPI_PHYSMODE_PHYSPTR:
case ACPI_LOGMODE_LOGPTR:
/* Pointer matches processor mode, copy the header */
ACPI_MEMCPY (ReturnHeader, Address->Pointer.Logical,
sizeof (ACPI_TABLE_HEADER));
break;
case ACPI_LOGMODE_PHYSPTR:
/* Create a logical address for the physical pointer*/
Status = AcpiOsMapMemory (Address->Pointer.Physical,
sizeof (ACPI_TABLE_HEADER), (void *) &Header);
if (ACPI_FAILURE (Status))
{
ACPI_REPORT_ERROR ((
"Could not map memory at %8.8X%8.8X for length %X\n",
ACPI_FORMAT_UINT64 (Address->Pointer.Physical),
sizeof (ACPI_TABLE_HEADER)));
return_ACPI_STATUS (Status);
}
/* Copy header and delete mapping */
ACPI_MEMCPY (ReturnHeader, Header, sizeof (ACPI_TABLE_HEADER));
AcpiOsUnmapMemory (Header, sizeof (ACPI_TABLE_HEADER));
break;
default:
ACPI_REPORT_ERROR (("Invalid address flags %X\n",
Address->PointerType));
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Table Signature: [%4.4s]\n",
ReturnHeader->Signature));
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiTbGetTableBody
*
* PARAMETERS: Address - Address of table to retrieve. Can be
* Logical or Physical
* Header - Header of the table to retrieve
* TableInfo - Where the table info is returned
*
* RETURN: Status
*
* DESCRIPTION: Get an entire ACPI table with support to allow the host OS to
* replace the table with a newer version (table override.)
* Works in both physical or virtual
* addressing mode. Works with both physical or logical pointers.
* Table is either copied or mapped, depending on the pointer
* type and mode of the processor.
*
******************************************************************************/
ACPI_STATUS
AcpiTbGetTableBody (
ACPI_POINTER *Address,
ACPI_TABLE_HEADER *Header,
ACPI_TABLE_DESC *TableInfo)
{
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE ("TbGetTableBody");
if (!TableInfo || !Address)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Attempt table override. */
Status = AcpiTbTableOverride (Header, TableInfo);
if (ACPI_SUCCESS (Status))
{
/* Table was overridden by the host OS */
return_ACPI_STATUS (Status);
}
/* No override, get the original table */
Status = AcpiTbGetThisTable (Address, Header, TableInfo);
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiTbTableOverride
*
* PARAMETERS: Header - Pointer to table header
* TableInfo - Return info if table is overridden
*
* RETURN: None
*
* DESCRIPTION: Attempts override of current table with a new one if provided
* by the host OS.
*
******************************************************************************/
static ACPI_STATUS
AcpiTbTableOverride (
ACPI_TABLE_HEADER *Header,
ACPI_TABLE_DESC *TableInfo)
{
ACPI_TABLE_HEADER *NewTable;
ACPI_STATUS Status;
ACPI_POINTER Address;
ACPI_FUNCTION_TRACE ("TbTableOverride");
/*
* The OSL will examine the header and decide whether to override this
* table. If it decides to override, a table will be returned in NewTable,
* which we will then copy.
*/
Status = AcpiOsTableOverride (Header, &NewTable);
if (ACPI_FAILURE (Status))
{
/* Some severe error from the OSL, but we basically ignore it */
ACPI_REPORT_ERROR (("Could not override ACPI table, %s\n",
AcpiFormatException (Status)));
return_ACPI_STATUS (Status);
}
if (!NewTable)
{
/* No table override */
return_ACPI_STATUS (AE_NO_ACPI_TABLES);
}
/*
* We have a new table to override the old one. Get a copy of
* the new one. We know that the new table has a logical pointer.
*/
Address.PointerType = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
Address.Pointer.Logical = NewTable;
Status = AcpiTbGetThisTable (&Address, NewTable, TableInfo);
if (ACPI_FAILURE (Status))
{
ACPI_REPORT_ERROR (("Could not copy override ACPI table, %s\n",
AcpiFormatException (Status)));
return_ACPI_STATUS (Status);
}
/* Copy the table info */
ACPI_REPORT_INFO (("Table [%4.4s] replaced by host OS\n",
TableInfo->Pointer->Signature));
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiTbGetThisTable
*
* PARAMETERS: Address - Address of table to retrieve. Can be
* Logical or Physical
* Header - Header of the table to retrieve
* TableInfo - Where the table info is returned
*
* RETURN: Status
*
* DESCRIPTION: Get an entire ACPI table. Works in both physical or virtual
* addressing mode. Works with both physical or logical pointers.
* Table is either copied or mapped, depending on the pointer
* type and mode of the processor.
*
******************************************************************************/
static ACPI_STATUS
AcpiTbGetThisTable (
ACPI_POINTER *Address,
ACPI_TABLE_HEADER *Header,
ACPI_TABLE_DESC *TableInfo)
{
ACPI_TABLE_HEADER *FullTable = NULL;
UINT8 Allocation;
ACPI_STATUS Status = AE_OK;
ACPI_FUNCTION_TRACE ("TbGetThisTable");
/*
* Flags contains the current processor mode (Virtual or Physical
* addressing) The PointerType is either Logical or Physical
*/
switch (Address->PointerType)
{
case ACPI_PHYSMODE_PHYSPTR:
case ACPI_LOGMODE_LOGPTR:
/* Pointer matches processor mode, copy the table to a new buffer */
FullTable = ACPI_MEM_ALLOCATE (Header->Length);
if (!FullTable)
{
ACPI_REPORT_ERROR ((
"Could not allocate table memory for [%4.4s] length %X\n",
Header->Signature, Header->Length));
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Copy the entire table (including header) to the local buffer */
ACPI_MEMCPY (FullTable, Address->Pointer.Logical, Header->Length);
/* Save allocation type */
Allocation = ACPI_MEM_ALLOCATED;
break;
case ACPI_LOGMODE_PHYSPTR:
/*
* Just map the table's physical memory
* into our address space.
*/
Status = AcpiOsMapMemory (Address->Pointer.Physical,
(ACPI_SIZE) Header->Length, (void *) &FullTable);
if (ACPI_FAILURE (Status))
{
ACPI_REPORT_ERROR ((
"Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n",
Header->Signature,
ACPI_FORMAT_UINT64 (Address->Pointer.Physical),
Header->Length));
return (Status);
}
/* Save allocation type */
Allocation = ACPI_MEM_MAPPED;
break;
default:
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid address flags %X\n",
Address->PointerType));
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/*
* Validate checksum for _most_ tables,
* even the ones whose signature we don't recognize
*/
if (TableInfo->Type != ACPI_TABLE_FACS)
{
Status = AcpiTbVerifyTableChecksum (FullTable);
#if (!ACPI_CHECKSUM_ABORT)
if (ACPI_FAILURE (Status))
{
/* Ignore the error if configuration says so */
Status = AE_OK;
}
#endif
}
/* Return values */
TableInfo->Pointer = FullTable;
TableInfo->Length = (ACPI_SIZE) Header->Length;
TableInfo->Allocation = Allocation;
ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
"Found table [%4.4s] at %8.8X%8.8X, mapped/copied to %p\n",
FullTable->Signature,
ACPI_FORMAT_UINT64 (Address->Pointer.Physical), FullTable));
return_ACPI_STATUS (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiTbGetTablePtr
*
* PARAMETERS: TableType - one of the defined table types
* Instance - Which table of this type
* TablePtrLoc - pointer to location to place the pointer for
* return
*
* RETURN: Status
*
* DESCRIPTION: This function is called to get the pointer to an ACPI table.
*
******************************************************************************/
ACPI_STATUS
AcpiTbGetTablePtr (
ACPI_TABLE_TYPE TableType,
UINT32 Instance,
ACPI_TABLE_HEADER **TablePtrLoc)
{
ACPI_TABLE_DESC *TableDesc;
UINT32 i;
ACPI_FUNCTION_TRACE ("TbGetTablePtr");
if (!AcpiGbl_DSDT)
{
return_ACPI_STATUS (AE_NO_ACPI_TABLES);
}
if (TableType > ACPI_TABLE_MAX)
{
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/*
* For all table types (Single/Multiple), the first
* instance is always in the list head.
*/
if (Instance == 1)
{
/* Get the first */
*TablePtrLoc = NULL;
if (AcpiGbl_TableLists[TableType].Next)
{
*TablePtrLoc = AcpiGbl_TableLists[TableType].Next->Pointer;
}
return_ACPI_STATUS (AE_OK);
}
/* Check for instance out of range */
if (Instance > AcpiGbl_TableLists[TableType].Count)
{
return_ACPI_STATUS (AE_NOT_EXIST);
}
/* Walk the list to get the desired table
* Since the if (Instance == 1) check above checked for the
* first table, setting TableDesc equal to the .Next member
* is actually pointing to the second table. Therefore, we
* need to walk from the 2nd table until we reach the Instance
* that the user is looking for and return its table pointer.
*/
TableDesc = AcpiGbl_TableLists[TableType].Next;
for (i = 2; i < Instance; i++)
{
TableDesc = TableDesc->Next;
}
/* We are now pointing to the requested table's descriptor */
*TablePtrLoc = TableDesc->Pointer;
return_ACPI_STATUS (AE_OK);
}