0065eb1222
keeps changing, so to reduce repository thrash everything has been moved into a single directory. (repo copy involved)
964 lines
30 KiB
C
964 lines
30 KiB
C
/*******************************************************************************
|
|
*
|
|
* Module Name: rscalc - Calculate stream and list lengths
|
|
* $Revision: 30 $
|
|
*
|
|
******************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 __RSCALC_C__
|
|
|
|
#include "acpi.h"
|
|
#include "acresrc.h"
|
|
#include "amlcode.h"
|
|
#include "acnamesp.h"
|
|
|
|
#define _COMPONENT ACPI_RESOURCES
|
|
MODULE_NAME ("rscalc")
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiRsCalculateByteStreamLength
|
|
*
|
|
* PARAMETERS: LinkedList - Pointer to the resource linked list
|
|
* SizeNeeded - UINT32 pointer of the size buffer needed
|
|
* to properly return the parsed data
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Takes the resource byte stream and parses it once, calculating
|
|
* the size buffer needed to hold the linked list that conveys
|
|
* the resource data.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiRsCalculateByteStreamLength (
|
|
ACPI_RESOURCE *LinkedList,
|
|
UINT32 *SizeNeeded)
|
|
{
|
|
UINT32 ByteStreamSizeNeeded = 0;
|
|
UINT32 SegmentSize;
|
|
ACPI_RESOURCE_EXT_IRQ *ExIrq = NULL;
|
|
BOOLEAN Done = FALSE;
|
|
|
|
|
|
FUNCTION_TRACE ("RsCalculateByteStreamLength");
|
|
|
|
|
|
while (!Done)
|
|
{
|
|
/*
|
|
* Init the variable that will hold the size to add to the total.
|
|
*/
|
|
SegmentSize = 0;
|
|
|
|
switch (LinkedList->Id)
|
|
{
|
|
case ACPI_RSTYPE_IRQ:
|
|
/*
|
|
* IRQ Resource
|
|
* For an IRQ Resource, Byte 3, although optional, will
|
|
* always be created - it holds IRQ information.
|
|
*/
|
|
SegmentSize = 4;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_DMA:
|
|
/*
|
|
* DMA Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 3;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_START_DPF:
|
|
/*
|
|
* Start Dependent Functions Resource
|
|
* For a StartDependentFunctions Resource, Byte 1,
|
|
* although optional, will always be created.
|
|
*/
|
|
SegmentSize = 2;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_END_DPF:
|
|
/*
|
|
* End Dependent Functions Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 1;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_IO:
|
|
/*
|
|
* IO Port Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 8;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_FIXED_IO:
|
|
/*
|
|
* Fixed IO Port Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 4;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_VENDOR:
|
|
/*
|
|
* Vendor Defined Resource
|
|
* For a Vendor Specific resource, if the Length is
|
|
* between 1 and 7 it will be created as a Small
|
|
* Resource data type, otherwise it is a Large
|
|
* Resource data type.
|
|
*/
|
|
if (LinkedList->Data.VendorSpecific.Length > 7)
|
|
{
|
|
SegmentSize = 3;
|
|
}
|
|
else
|
|
{
|
|
SegmentSize = 1;
|
|
}
|
|
SegmentSize += LinkedList->Data.VendorSpecific.Length;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_END_TAG:
|
|
/*
|
|
* End Tag
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 2;
|
|
Done = TRUE;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_MEM24:
|
|
/*
|
|
* 24-Bit Memory Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 12;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_MEM32:
|
|
/*
|
|
* 32-Bit Memory Range Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 20;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_FIXED_MEM32:
|
|
/*
|
|
* 32-Bit Fixed Memory Resource
|
|
* For this resource the size is static
|
|
*/
|
|
SegmentSize = 12;
|
|
break;
|
|
|
|
case ACPI_RSTYPE_ADDRESS16:
|
|
/*
|
|
* 16-Bit Address Resource
|
|
* The base size of this byte stream is 16. If a
|
|
* Resource Source string is not NULL, add 1 for
|
|
* the Index + the length of the null terminated
|
|
* string Resource Source + 1 for the null.
|
|
*/
|
|
SegmentSize = 16;
|
|
|
|
if (NULL != LinkedList->Data.Address16.ResourceSource.StringPtr)
|
|
{
|
|
SegmentSize += (1 +
|
|
LinkedList->Data.Address16.ResourceSource.StringLength);
|
|
}
|
|
break;
|
|
|
|
case ACPI_RSTYPE_ADDRESS32:
|
|
/*
|
|
* 32-Bit Address Resource
|
|
* The base size of this byte stream is 26. If a Resource
|
|
* Source string is not NULL, add 1 for the Index + the
|
|
* length of the null terminated string Resource Source +
|
|
* 1 for the null.
|
|
*/
|
|
SegmentSize = 26;
|
|
|
|
if (NULL != LinkedList->Data.Address32.ResourceSource.StringPtr)
|
|
{
|
|
SegmentSize += (1 +
|
|
LinkedList->Data.Address32.ResourceSource.StringLength);
|
|
}
|
|
break;
|
|
|
|
case ACPI_RSTYPE_ADDRESS64:
|
|
/*
|
|
* 64-Bit Address Resource
|
|
* The base size of this byte stream is 46. If a Resource
|
|
* Source string is not NULL, add 1 for the Index + the
|
|
* length of the null terminated string Resource Source +
|
|
* 1 for the null.
|
|
*/
|
|
SegmentSize = 46;
|
|
|
|
if (NULL != LinkedList->Data.Address64.ResourceSource.StringPtr)
|
|
{
|
|
SegmentSize += (1 +
|
|
LinkedList->Data.Address64.ResourceSource.StringLength);
|
|
}
|
|
break;
|
|
|
|
case ACPI_RSTYPE_EXT_IRQ:
|
|
/*
|
|
* Extended IRQ Resource
|
|
* The base size of this byte stream is 9. This is for an
|
|
* Interrupt table length of 1. For each additional
|
|
* interrupt, add 4.
|
|
* If a Resource Source string is not NULL, add 1 for the
|
|
* Index + the length of the null terminated string
|
|
* Resource Source + 1 for the null.
|
|
*/
|
|
SegmentSize = 9 +
|
|
((LinkedList->Data.ExtendedIrq.NumberOfInterrupts - 1) * 4);
|
|
|
|
if (NULL != ExIrq->ResourceSource.StringPtr)
|
|
{
|
|
SegmentSize += (1 +
|
|
LinkedList->Data.ExtendedIrq.ResourceSource.StringLength);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* If we get here, everything is out of sync,
|
|
* so exit with an error
|
|
*/
|
|
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
|
|
break;
|
|
|
|
} /* switch (LinkedList->Id) */
|
|
|
|
/*
|
|
* Update the total
|
|
*/
|
|
ByteStreamSizeNeeded += SegmentSize;
|
|
|
|
/*
|
|
* Point to the next object
|
|
*/
|
|
LinkedList = POINTER_ADD (ACPI_RESOURCE,
|
|
LinkedList, LinkedList->Length);
|
|
}
|
|
|
|
/*
|
|
* This is the data the caller needs
|
|
*/
|
|
*SizeNeeded = ByteStreamSizeNeeded;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiRsCalculateListLength
|
|
*
|
|
* PARAMETERS: ByteStreamBuffer - Pointer to the resource byte stream
|
|
* ByteStreamBufferLength - Size of ByteStreamBuffer
|
|
* SizeNeeded - UINT32 pointer of the size buffer
|
|
* needed to properly return the
|
|
* parsed data
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Takes the resource byte stream and parses it once, calculating
|
|
* the size buffer needed to hold the linked list that conveys
|
|
* the resource data.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiRsCalculateListLength (
|
|
UINT8 *ByteStreamBuffer,
|
|
UINT32 ByteStreamBufferLength,
|
|
UINT32 *SizeNeeded)
|
|
{
|
|
UINT32 BufferSize = 0;
|
|
UINT32 BytesParsed = 0;
|
|
UINT8 NumberOfInterrupts = 0;
|
|
UINT8 NumberOfChannels = 0;
|
|
UINT8 ResourceType;
|
|
UINT32 StructureSize;
|
|
UINT32 BytesConsumed;
|
|
UINT8 *Buffer;
|
|
UINT8 Temp8;
|
|
UINT16 Temp16;
|
|
UINT8 Index;
|
|
UINT8 AdditionalBytes;
|
|
|
|
|
|
FUNCTION_TRACE ("RsCalculateListLength");
|
|
|
|
|
|
while (BytesParsed < ByteStreamBufferLength)
|
|
{
|
|
/*
|
|
* The next byte in the stream is the resource type
|
|
*/
|
|
ResourceType = AcpiRsGetResourceType (*ByteStreamBuffer);
|
|
|
|
switch (ResourceType)
|
|
{
|
|
case RESOURCE_DESC_MEMORY_24:
|
|
/*
|
|
* 24-Bit Memory Resource
|
|
*/
|
|
BytesConsumed = 12;
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_MEM24);
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_LARGE_VENDOR:
|
|
/*
|
|
* Vendor Defined Resource
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
++Buffer;
|
|
|
|
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
|
|
BytesConsumed = Temp16 + 3;
|
|
|
|
/*
|
|
* Ensure a 32-bit boundary for the structure
|
|
*/
|
|
Temp16 = (UINT16) ROUND_UP_TO_32BITS (Temp16);
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR) +
|
|
(Temp16 * sizeof (UINT8));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_MEMORY_32:
|
|
/*
|
|
* 32-Bit Memory Range Resource
|
|
*/
|
|
|
|
BytesConsumed = 20;
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_MEM32);
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_FIXED_MEMORY_32:
|
|
/*
|
|
* 32-Bit Fixed Memory Resource
|
|
*/
|
|
BytesConsumed = 12;
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_MEM32);
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_QWORD_ADDRESS_SPACE:
|
|
/*
|
|
* 64-Bit Address Resource
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
|
|
++Buffer;
|
|
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
|
|
|
|
BytesConsumed = Temp16 + 3;
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are
|
|
* optional elements. Check the length of the
|
|
* Bytestream. If it is greater than 43, that
|
|
* means that an Index exists and is followed by
|
|
* a null termininated string. Therefore, set
|
|
* the temp variable to the length minus the minimum
|
|
* byte stream length plus the byte for the Index to
|
|
* determine the size of the NULL terminiated string.
|
|
*/
|
|
if (43 < Temp16)
|
|
{
|
|
Temp8 = (UINT8) (Temp16 - 44);
|
|
}
|
|
else
|
|
{
|
|
Temp8 = 0;
|
|
}
|
|
|
|
/*
|
|
* Ensure a 64-bit boundary for the structure
|
|
*/
|
|
Temp8 = (UINT8) ROUND_UP_TO_64BITS (Temp8);
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS64) +
|
|
(Temp8 * sizeof (UINT8));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_DWORD_ADDRESS_SPACE:
|
|
/*
|
|
* 32-Bit Address Resource
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
|
|
++Buffer;
|
|
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
|
|
|
|
BytesConsumed = Temp16 + 3;
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are
|
|
* optional elements. Check the length of the
|
|
* Bytestream. If it is greater than 23, that
|
|
* means that an Index exists and is followed by
|
|
* a null termininated string. Therefore, set
|
|
* the temp variable to the length minus the minimum
|
|
* byte stream length plus the byte for the Index to
|
|
* determine the size of the NULL terminiated string.
|
|
*/
|
|
if (23 < Temp16)
|
|
{
|
|
Temp8 = (UINT8) (Temp16 - 24);
|
|
}
|
|
else
|
|
{
|
|
Temp8 = 0;
|
|
}
|
|
|
|
/*
|
|
* Ensure a 32-bit boundary for the structure
|
|
*/
|
|
Temp8 = (UINT8) ROUND_UP_TO_32BITS (Temp8);
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS32) +
|
|
(Temp8 * sizeof (UINT8));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_WORD_ADDRESS_SPACE:
|
|
/*
|
|
* 16-Bit Address Resource
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
|
|
++Buffer;
|
|
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
|
|
|
|
BytesConsumed = Temp16 + 3;
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are
|
|
* optional elements. Check the length of the
|
|
* Bytestream. If it is greater than 13, that
|
|
* means that an Index exists and is followed by
|
|
* a null termininated string. Therefore, set
|
|
* the temp variable to the length minus the minimum
|
|
* byte stream length plus the byte for the Index to
|
|
* determine the size of the NULL terminiated string.
|
|
*/
|
|
if (13 < Temp16)
|
|
{
|
|
Temp8 = (UINT8) (Temp16 - 14);
|
|
}
|
|
else
|
|
{
|
|
Temp8 = 0;
|
|
}
|
|
|
|
/*
|
|
* Ensure a 32-bit boundary for the structure
|
|
*/
|
|
Temp8 = (UINT8) ROUND_UP_TO_32BITS (Temp8);
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS16) +
|
|
(Temp8 * sizeof (UINT8));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_EXTENDED_XRUPT:
|
|
/*
|
|
* Extended IRQ
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
|
|
++Buffer;
|
|
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
|
|
|
|
BytesConsumed = Temp16 + 3;
|
|
|
|
/*
|
|
* Point past the length field and the
|
|
* Interrupt vector flags to save off the
|
|
* Interrupt table length to the Temp8 variable.
|
|
*/
|
|
Buffer += 3;
|
|
Temp8 = *Buffer;
|
|
|
|
/*
|
|
* To compensate for multiple interrupt numbers, add 4 bytes for
|
|
* each additional interrupts greater than 1
|
|
*/
|
|
AdditionalBytes = (UINT8) ((Temp8 - 1) * 4);
|
|
|
|
/*
|
|
* Resource Source Index and Resource Source are
|
|
* optional elements. Check the length of the
|
|
* Bytestream. If it is greater than 9, that
|
|
* means that an Index exists and is followed by
|
|
* a null termininated string. Therefore, set
|
|
* the temp variable to the length minus the minimum
|
|
* byte stream length plus the byte for the Index to
|
|
* determine the size of the NULL terminiated string.
|
|
*/
|
|
if (9 + AdditionalBytes < Temp16)
|
|
{
|
|
Temp8 = (UINT8) (Temp16 - (9 + AdditionalBytes));
|
|
}
|
|
|
|
else
|
|
{
|
|
Temp8 = 0;
|
|
}
|
|
|
|
/*
|
|
* Ensure a 32-bit boundary for the structure
|
|
*/
|
|
Temp8 = (UINT8) ROUND_UP_TO_32BITS (Temp8);
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_EXT_IRQ) +
|
|
(AdditionalBytes * sizeof (UINT8)) +
|
|
(Temp8 * sizeof (UINT8));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_IRQ_FORMAT:
|
|
/*
|
|
* IRQ Resource.
|
|
* Determine if it there are two or three trailing bytes
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
Temp8 = *Buffer;
|
|
|
|
if(Temp8 & 0x01)
|
|
{
|
|
BytesConsumed = 4;
|
|
}
|
|
|
|
else
|
|
{
|
|
BytesConsumed = 3;
|
|
}
|
|
|
|
/*
|
|
* Point past the descriptor
|
|
*/
|
|
++Buffer;
|
|
|
|
/*
|
|
* Look at the number of bits set
|
|
*/
|
|
MOVE_UNALIGNED16_TO_16 (&Temp16, Buffer);
|
|
|
|
for (Index = 0; Index < 16; Index++)
|
|
{
|
|
if (Temp16 & 0x1)
|
|
{
|
|
++NumberOfInterrupts;
|
|
}
|
|
|
|
Temp16 >>= 1;
|
|
}
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_IO) +
|
|
(NumberOfInterrupts * sizeof (UINT32));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_DMA_FORMAT:
|
|
/*
|
|
* DMA Resource
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
BytesConsumed = 3;
|
|
|
|
/*
|
|
* Point past the descriptor
|
|
*/
|
|
++Buffer;
|
|
|
|
/*
|
|
* Look at the number of bits set
|
|
*/
|
|
Temp8 = *Buffer;
|
|
|
|
for(Index = 0; Index < 8; Index++)
|
|
{
|
|
if(Temp8 & 0x1)
|
|
{
|
|
++NumberOfChannels;
|
|
}
|
|
|
|
Temp8 >>= 1;
|
|
}
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_DMA) +
|
|
(NumberOfChannels * sizeof (UINT32));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_START_DEPENDENT:
|
|
/*
|
|
* Start Dependent Functions Resource
|
|
* Determine if it there are two or three trailing bytes
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
Temp8 = *Buffer;
|
|
|
|
if(Temp8 & 0x01)
|
|
{
|
|
BytesConsumed = 2;
|
|
}
|
|
else
|
|
{
|
|
BytesConsumed = 1;
|
|
}
|
|
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_START_DPF);
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_END_DEPENDENT:
|
|
/*
|
|
* End Dependent Functions Resource
|
|
*/
|
|
BytesConsumed = 1;
|
|
StructureSize = ACPI_RESOURCE_LENGTH;
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_IO_PORT:
|
|
/*
|
|
* IO Port Resource
|
|
*/
|
|
BytesConsumed = 8;
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_IO);
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_FIXED_IO_PORT:
|
|
/*
|
|
* Fixed IO Port Resource
|
|
*/
|
|
BytesConsumed = 4;
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_FIXED_IO);
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_SMALL_VENDOR:
|
|
/*
|
|
* Vendor Specific Resource
|
|
*/
|
|
Buffer = ByteStreamBuffer;
|
|
|
|
Temp8 = *Buffer;
|
|
Temp8 = (UINT8) (Temp8 & 0x7);
|
|
BytesConsumed = Temp8 + 1;
|
|
|
|
/*
|
|
* Ensure a 32-bit boundary for the structure
|
|
*/
|
|
Temp8 = (UINT8) ROUND_UP_TO_32BITS (Temp8);
|
|
StructureSize = SIZEOF_RESOURCE (ACPI_RESOURCE_VENDOR) +
|
|
(Temp8 * sizeof (UINT8));
|
|
break;
|
|
|
|
|
|
case RESOURCE_DESC_END_TAG:
|
|
/*
|
|
* End Tag
|
|
*/
|
|
BytesConsumed = 2;
|
|
StructureSize = ACPI_RESOURCE_LENGTH;
|
|
ByteStreamBufferLength = BytesParsed;
|
|
break;
|
|
|
|
|
|
default:
|
|
/*
|
|
* If we get here, everything is out of sync,
|
|
* so exit with an error
|
|
*/
|
|
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
|
|
break;
|
|
}
|
|
|
|
|
|
/*
|
|
* Update the return value and counter
|
|
*/
|
|
BufferSize += StructureSize;
|
|
BytesParsed += BytesConsumed;
|
|
|
|
/*
|
|
* Set the byte stream to point to the next resource
|
|
*/
|
|
ByteStreamBuffer += BytesConsumed;
|
|
}
|
|
|
|
|
|
/*
|
|
* This is the data the caller needs
|
|
*/
|
|
*SizeNeeded = BufferSize;
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiRsCalculatePciRoutingTableLength
|
|
*
|
|
* PARAMETERS: PackageObject - Pointer to the package object
|
|
* BufferSizeNeeded - UINT32 pointer of the size buffer
|
|
* needed to properly return the
|
|
* parsed data
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Given a package representing a PCI routing table, this
|
|
* calculates the size of the corresponding linked list of
|
|
* descriptions.
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiRsCalculatePciRoutingTableLength (
|
|
ACPI_OPERAND_OBJECT *PackageObject,
|
|
UINT32 *BufferSizeNeeded)
|
|
{
|
|
UINT32 NumberOfElements;
|
|
UINT32 TempSizeNeeded = 0;
|
|
ACPI_OPERAND_OBJECT **TopObjectList;
|
|
UINT32 Index;
|
|
ACPI_OPERAND_OBJECT *PackageElement;
|
|
ACPI_OPERAND_OBJECT **SubObjectList;
|
|
BOOLEAN NameFound;
|
|
UINT32 TableIndex;
|
|
|
|
|
|
FUNCTION_TRACE ("AcpiRsCalculatePciRoutingTableLength");
|
|
|
|
|
|
NumberOfElements = PackageObject->Package.Count;
|
|
|
|
/*
|
|
* Calculate the size of the return buffer.
|
|
* The base size is the number of elements * the sizes of the
|
|
* structures. Additional space for the strings is added below.
|
|
* The minus one is to subtract the size of the UINT8 Source[1]
|
|
* member because it is added below.
|
|
*
|
|
* But each PRT_ENTRY structure has a pointer to a string and
|
|
* the size of that string must be found.
|
|
*/
|
|
TopObjectList = PackageObject->Package.Elements;
|
|
|
|
for (Index = 0; Index < NumberOfElements; Index++)
|
|
{
|
|
/*
|
|
* Dereference the sub-package
|
|
*/
|
|
PackageElement = *TopObjectList;
|
|
|
|
/*
|
|
* The SubObjectList will now point to an array of the
|
|
* four IRQ elements: Address, Pin, Source and SourceIndex
|
|
*/
|
|
SubObjectList = PackageElement->Package.Elements;
|
|
|
|
/*
|
|
* Scan the IrqTableElements for the Source Name String
|
|
*/
|
|
NameFound = FALSE;
|
|
|
|
for (TableIndex = 0; TableIndex < 4 && !NameFound; TableIndex++)
|
|
{
|
|
if ((ACPI_TYPE_STRING == (*SubObjectList)->Common.Type) ||
|
|
((INTERNAL_TYPE_REFERENCE == (*SubObjectList)->Common.Type) &&
|
|
((*SubObjectList)->Reference.Opcode == AML_INT_NAMEPATH_OP)))
|
|
{
|
|
NameFound = TRUE;
|
|
}
|
|
|
|
else
|
|
{
|
|
/*
|
|
* Look at the next element
|
|
*/
|
|
SubObjectList++;
|
|
}
|
|
}
|
|
|
|
TempSizeNeeded += (sizeof (PCI_ROUTING_TABLE) - 4);
|
|
|
|
/*
|
|
* Was a String type found?
|
|
*/
|
|
if (TRUE == NameFound)
|
|
{
|
|
if (ACPI_TYPE_STRING == (*SubObjectList)->Common.Type)
|
|
{
|
|
/*
|
|
* The length String.Length field includes the
|
|
* terminating NULL
|
|
*/
|
|
TempSizeNeeded += (*SubObjectList)->String.Length;
|
|
}
|
|
|
|
else
|
|
{
|
|
TempSizeNeeded += AcpiNsGetPathnameLength (
|
|
(*SubObjectList)->Reference.Node);
|
|
}
|
|
}
|
|
|
|
else
|
|
{
|
|
/*
|
|
* If no name was found, then this is a NULL, which is
|
|
* translated as a UINT32 zero.
|
|
*/
|
|
TempSizeNeeded += sizeof (UINT32);
|
|
}
|
|
|
|
/* Round up the size since each element must be aligned */
|
|
|
|
TempSizeNeeded = ROUND_UP_TO_64BITS (TempSizeNeeded);
|
|
|
|
/*
|
|
* Point to the next ACPI_OPERAND_OBJECT
|
|
*/
|
|
TopObjectList++;
|
|
}
|
|
|
|
|
|
/*
|
|
* Adding an extra element to the end of the list, essentially a NULL terminator
|
|
*/
|
|
*BufferSizeNeeded = TempSizeNeeded + sizeof (PCI_ROUTING_TABLE);
|
|
return_ACPI_STATUS (AE_OK);
|
|
}
|