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freebsd/sys/contrib/dev/acpica/rsaddr.c

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/*******************************************************************************
*
* Module Name: rsaddr - Address resource descriptors (16/32/64)
* $Revision: 35 $
*
******************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2004, 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 __RSADDR_C__
#include <contrib/dev/acpica/acpi.h>
#include <contrib/dev/acpica/acresrc.h>
#define _COMPONENT ACPI_RESOURCES
ACPI_MODULE_NAME ("rsaddr")
/*******************************************************************************
*
* FUNCTION: AcpiRsAddress16Resource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - Pointer to where the number of bytes
* consumed the ByteStreamBuffer is
* returned
* OutputBuffer - Pointer to the return data buffer
* StructureSize - Pointer to where the number of bytes
* in the return data struct is returned
*
* RETURN: Status
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsAddress16Resource (
UINT8 *ByteStreamBuffer,
ACPI_SIZE *BytesConsumed,
UINT8 **OutputBuffer,
ACPI_SIZE *StructureSize)
{
UINT8 *Buffer = ByteStreamBuffer;
ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer;
UINT8 *TempPtr;
ACPI_SIZE StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS16);
UINT32 Index;
UINT16 Temp16;
UINT8 Temp8;
ACPI_FUNCTION_TRACE ("RsAddress16Resource");
/*
* Point past the Descriptor to get the number of bytes consumed
*/
Buffer += 1;
ACPI_MOVE_16_TO_16 (&Temp16, Buffer);
/* Validate minimum descriptor length */
if (Temp16 < 13)
{
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
}
*BytesConsumed = Temp16 + 3;
OutputStruct->Id = ACPI_RSTYPE_ADDRESS16;
/*
* Get the Resource Type (Byte3)
*/
Buffer += 2;
Temp8 = *Buffer;
/* Values 0-2 are valid */
if (Temp8 > 2)
{
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
}
OutputStruct->Data.Address16.ResourceType = Temp8 & 0x03;
/*
* Get the General Flags (Byte4)
*/
Buffer += 1;
Temp8 = *Buffer;
/* Producer / Consumer */
OutputStruct->Data.Address16.ProducerConsumer = Temp8 & 0x01;
/* Decode */
OutputStruct->Data.Address16.Decode = (Temp8 >> 1) & 0x01;
/* Min Address Fixed */
OutputStruct->Data.Address16.MinAddressFixed = (Temp8 >> 2) & 0x01;
/* Max Address Fixed */
OutputStruct->Data.Address16.MaxAddressFixed = (Temp8 >> 3) & 0x01;
/*
* Get the Type Specific Flags (Byte5)
*/
Buffer += 1;
Temp8 = *Buffer;
if (ACPI_MEMORY_RANGE == OutputStruct->Data.Address16.ResourceType)
{
OutputStruct->Data.Address16.Attribute.Memory.ReadWriteAttribute =
(UINT16) (Temp8 & 0x01);
OutputStruct->Data.Address16.Attribute.Memory.CacheAttribute =
(UINT16) ((Temp8 >> 1) & 0x03);
}
else
{
if (ACPI_IO_RANGE == OutputStruct->Data.Address16.ResourceType)
{
OutputStruct->Data.Address16.Attribute.Io.RangeAttribute =
(UINT16) (Temp8 & 0x03);
OutputStruct->Data.Address16.Attribute.Io.TranslationAttribute =
(UINT16) ((Temp8 >> 4) & 0x03);
}
else
{
/* BUS_NUMBER_RANGE == Address16.Data->ResourceType */
/* Nothing needs to be filled in */
}
}
/*
* Get Granularity (Bytes 6-7)
*/
Buffer += 1;
ACPI_MOVE_16_TO_32 (&OutputStruct->Data.Address16.Granularity, Buffer);
/*
* Get MinAddressRange (Bytes 8-9)
*/
Buffer += 2;
ACPI_MOVE_16_TO_32 (&OutputStruct->Data.Address16.MinAddressRange, Buffer);
/*
* Get MaxAddressRange (Bytes 10-11)
*/
Buffer += 2;
ACPI_MOVE_16_TO_32 (&OutputStruct->Data.Address16.MaxAddressRange, Buffer);
/*
* Get AddressTranslationOffset (Bytes 12-13)
*/
Buffer += 2;
ACPI_MOVE_16_TO_32 (&OutputStruct->Data.Address16.AddressTranslationOffset, Buffer);
/*
* Get AddressLength (Bytes 14-15)
*/
Buffer += 2;
ACPI_MOVE_16_TO_32 (&OutputStruct->Data.Address16.AddressLength, Buffer);
/*
* Resource Source Index (if present)
*/
Buffer += 2;
/*
* This will leave us pointing to the Resource Source Index
* If it is present, then save it off and calculate the
* pointer to where the null terminated string goes:
* Each Interrupt takes 32-bits + the 5 bytes of the
* stream that are default.
*
* Note: Some resource descriptors will have an additional null, so
* we add 1 to the length.
*/
if (*BytesConsumed > (16 + 1))
{
/* Dereference the Index */
Temp8 = *Buffer;
OutputStruct->Data.Address16.ResourceSource.Index = (UINT32) Temp8;
/* Point to the String */
Buffer += 1;
/* Point the String pointer to the end of this structure */
OutputStruct->Data.Address16.ResourceSource.StringPtr =
(char *)((UINT8 * )OutputStruct + StructSize);
TempPtr = (UINT8 *) OutputStruct->Data.Address16.ResourceSource.StringPtr;
/* Copy the string into the buffer */
Index = 0;
while (0x00 != *Buffer)
{
*TempPtr = *Buffer;
TempPtr += 1;
Buffer += 1;
Index += 1;
}
/*
* Add the terminating null
*/
*TempPtr = 0x00;
OutputStruct->Data.Address16.ResourceSource.StringLength = Index + 1;
/*
* In order for the StructSize to fall on a 32-bit boundary,
* calculate the length of the string and expand the
* StructSize to the next 32-bit boundary.
*/
Temp8 = (UINT8) (Index + 1);
StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
}
else
{
OutputStruct->Data.Address16.ResourceSource.Index = 0x00;
OutputStruct->Data.Address16.ResourceSource.StringLength = 0;
OutputStruct->Data.Address16.ResourceSource.StringPtr = NULL;
}
/*
* Set the Length parameter
*/
OutputStruct->Length = (UINT32) StructSize;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsAddress16Stream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - Pointer to where the number of bytes
* used in the OutputBuffer is returned
*
* RETURN: Status
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsAddress16Stream (
ACPI_RESOURCE *LinkedList,
UINT8 **OutputBuffer,
ACPI_SIZE *BytesConsumed)
{
UINT8 *Buffer = *OutputBuffer;
UINT8 *LengthField;
UINT8 Temp8;
char *TempPointer = NULL;
ACPI_SIZE ActualBytes;
ACPI_FUNCTION_TRACE ("RsAddress16Stream");
/*
* The descriptor field is static
*/
*Buffer = 0x88;
Buffer += 1;
/*
* Save a pointer to the Length field - to be filled in later
*/
LengthField = Buffer;
Buffer += 2;
/*
* Set the Resource Type (Memory, Io, BusNumber)
*/
Temp8 = (UINT8) (LinkedList->Data.Address16.ResourceType & 0x03);
*Buffer = Temp8;
Buffer += 1;
/*
* Set the general flags
*/
Temp8 = (UINT8) (LinkedList->Data.Address16.ProducerConsumer & 0x01);
Temp8 |= (LinkedList->Data.Address16.Decode & 0x01) << 1;
Temp8 |= (LinkedList->Data.Address16.MinAddressFixed & 0x01) << 2;
Temp8 |= (LinkedList->Data.Address16.MaxAddressFixed & 0x01) << 3;
*Buffer = Temp8;
Buffer += 1;
/*
* Set the type specific flags
*/
Temp8 = 0;
if (ACPI_MEMORY_RANGE == LinkedList->Data.Address16.ResourceType)
{
Temp8 = (UINT8)
(LinkedList->Data.Address16.Attribute.Memory.ReadWriteAttribute &
0x01);
Temp8 |=
(LinkedList->Data.Address16.Attribute.Memory.CacheAttribute &
0x03) << 1;
}
else if (ACPI_IO_RANGE == LinkedList->Data.Address16.ResourceType)
{
Temp8 = (UINT8)
(LinkedList->Data.Address16.Attribute.Io.RangeAttribute &
0x03);
Temp8 |=
(LinkedList->Data.Address16.Attribute.Io.TranslationAttribute &
0x03) << 4;
}
*Buffer = Temp8;
Buffer += 1;
/*
* Set the address space granularity
*/
ACPI_MOVE_32_TO_16 (Buffer, &LinkedList->Data.Address16.Granularity);
Buffer += 2;
/*
* Set the address range minimum
*/
ACPI_MOVE_32_TO_16 (Buffer, &LinkedList->Data.Address16.MinAddressRange);
Buffer += 2;
/*
* Set the address range maximum
*/
ACPI_MOVE_32_TO_16 (Buffer, &LinkedList->Data.Address16.MaxAddressRange);
Buffer += 2;
/*
* Set the address translation offset
*/
ACPI_MOVE_32_TO_16 (Buffer, &LinkedList->Data.Address16.AddressTranslationOffset);
Buffer += 2;
/*
* Set the address length
*/
ACPI_MOVE_32_TO_16 (Buffer, &LinkedList->Data.Address16.AddressLength);
Buffer += 2;
/*
* Resource Source Index and Resource Source are optional
*/
if (0 != LinkedList->Data.Address16.ResourceSource.StringLength)
{
Temp8 = (UINT8) LinkedList->Data.Address16.ResourceSource.Index;
*Buffer = Temp8;
Buffer += 1;
TempPointer = (char *) Buffer;
/*
* Copy the string
*/
ACPI_STRCPY (TempPointer,
LinkedList->Data.Address16.ResourceSource.StringPtr);
/*
* Buffer needs to be set to the length of the sting + one for the
* terminating null
*/
Buffer += (ACPI_SIZE)(ACPI_STRLEN (LinkedList->Data.Address16.ResourceSource.StringPtr) + 1);
}
/*
* Return the number of bytes consumed in this operation
*/
ActualBytes = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
*BytesConsumed = ActualBytes;
/*
* Set the length field to the number of bytes consumed
* minus the header size (3 bytes)
*/
ActualBytes -= 3;
ACPI_MOVE_SIZE_TO_16 (LengthField, &ActualBytes);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsAddress32Resource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - Pointer to where the number of bytes
* consumed the ByteStreamBuffer is
* returned
* OutputBuffer - Pointer to the return data buffer
* StructureSize - Pointer to where the number of bytes
* in the return data struct is returned
*
* RETURN: Status
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsAddress32Resource (
UINT8 *ByteStreamBuffer,
ACPI_SIZE *BytesConsumed,
UINT8 **OutputBuffer,
ACPI_SIZE *StructureSize)
{
UINT8 *Buffer;
ACPI_RESOURCE *OutputStruct= (void *) *OutputBuffer;
UINT16 Temp16;
UINT8 Temp8;
UINT8 *TempPtr;
ACPI_SIZE StructSize;
UINT32 Index;
ACPI_FUNCTION_TRACE ("RsAddress32Resource");
Buffer = ByteStreamBuffer;
StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS32);
/*
* Point past the Descriptor to get the number of bytes consumed
*/
Buffer += 1;
ACPI_MOVE_16_TO_16 (&Temp16, Buffer);
/* Validate minimum descriptor length */
if (Temp16 < 23)
{
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
}
*BytesConsumed = Temp16 + 3;
OutputStruct->Id = ACPI_RSTYPE_ADDRESS32;
/*
* Get the Resource Type (Byte3)
*/
Buffer += 2;
Temp8 = *Buffer;
/* Values 0-2 are valid */
if(Temp8 > 2)
{
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
}
OutputStruct->Data.Address32.ResourceType = Temp8 & 0x03;
/*
* Get the General Flags (Byte4)
*/
Buffer += 1;
Temp8 = *Buffer;
/*
* Producer / Consumer
*/
OutputStruct->Data.Address32.ProducerConsumer = Temp8 & 0x01;
/*
* Decode
*/
OutputStruct->Data.Address32.Decode = (Temp8 >> 1) & 0x01;
/*
* Min Address Fixed
*/
OutputStruct->Data.Address32.MinAddressFixed = (Temp8 >> 2) & 0x01;
/*
* Max Address Fixed
*/
OutputStruct->Data.Address32.MaxAddressFixed = (Temp8 >> 3) & 0x01;
/*
* Get the Type Specific Flags (Byte5)
*/
Buffer += 1;
Temp8 = *Buffer;
if (ACPI_MEMORY_RANGE == OutputStruct->Data.Address32.ResourceType)
{
OutputStruct->Data.Address32.Attribute.Memory.ReadWriteAttribute =
(UINT16) (Temp8 & 0x01);
OutputStruct->Data.Address32.Attribute.Memory.CacheAttribute =
(UINT16) ((Temp8 >> 1) & 0x03);
}
else
{
if (ACPI_IO_RANGE == OutputStruct->Data.Address32.ResourceType)
{
OutputStruct->Data.Address32.Attribute.Io.RangeAttribute =
(UINT16) (Temp8 & 0x03);
OutputStruct->Data.Address32.Attribute.Io.TranslationAttribute =
(UINT16) ((Temp8 >> 4) & 0x03);
}
else
{
/* BUS_NUMBER_RANGE == OutputStruct->Data.Address32.ResourceType */
/* Nothing needs to be filled in */
}
}
/*
* Get Granularity (Bytes 6-9)
*/
Buffer += 1;
ACPI_MOVE_32_TO_32 (&OutputStruct->Data.Address32.Granularity, Buffer);
/*
* Get MinAddressRange (Bytes 10-13)
*/
Buffer += 4;
ACPI_MOVE_32_TO_32 (&OutputStruct->Data.Address32.MinAddressRange, Buffer);
/*
* Get MaxAddressRange (Bytes 14-17)
*/
Buffer += 4;
ACPI_MOVE_32_TO_32 (&OutputStruct->Data.Address32.MaxAddressRange, Buffer);
/*
* Get AddressTranslationOffset (Bytes 18-21)
*/
Buffer += 4;
ACPI_MOVE_32_TO_32 (&OutputStruct->Data.Address32.AddressTranslationOffset, Buffer);
/*
* Get AddressLength (Bytes 22-25)
*/
Buffer += 4;
ACPI_MOVE_32_TO_32 (&OutputStruct->Data.Address32.AddressLength, Buffer);
/*
* Resource Source Index (if present)
*/
Buffer += 4;
/*
* This will leave us pointing to the Resource Source Index
* If it is present, then save it off and calculate the
* pointer to where the null terminated string goes:
*
* Note: Some resource descriptors will have an additional null, so
* we add 1 to the length.
*/
if (*BytesConsumed > (26 + 1))
{
/* Dereference the Index */
Temp8 = *Buffer;
OutputStruct->Data.Address32.ResourceSource.Index =
(UINT32) Temp8;
/* Point to the String */
Buffer += 1;
/* Point the String pointer to the end of this structure */
OutputStruct->Data.Address32.ResourceSource.StringPtr =
(char *)((UINT8 *)OutputStruct + StructSize);
TempPtr = (UINT8 *) OutputStruct->Data.Address32.ResourceSource.StringPtr;
/* Copy the string into the buffer */
Index = 0;
while (0x00 != *Buffer)
{
*TempPtr = *Buffer;
TempPtr += 1;
Buffer += 1;
Index += 1;
}
/*
* Add the terminating null
*/
*TempPtr = 0x00;
OutputStruct->Data.Address32.ResourceSource.StringLength = Index + 1;
/*
* In order for the StructSize to fall on a 32-bit boundary,
* calculate the length of the string and expand the
* StructSize to the next 32-bit boundary.
*/
Temp8 = (UINT8) (Index + 1);
StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
}
else
{
OutputStruct->Data.Address32.ResourceSource.Index = 0x00;
OutputStruct->Data.Address32.ResourceSource.StringLength = 0;
OutputStruct->Data.Address32.ResourceSource.StringPtr = NULL;
}
/*
* Set the Length parameter
*/
OutputStruct->Length = (UINT32) StructSize;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsAddress32Stream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - Pointer to where the number of bytes
* used in the OutputBuffer is returned
*
* RETURN: Status
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsAddress32Stream (
ACPI_RESOURCE *LinkedList,
UINT8 **OutputBuffer,
ACPI_SIZE *BytesConsumed)
{
UINT8 *Buffer;
UINT16 *LengthField;
UINT8 Temp8;
char *TempPointer;
ACPI_FUNCTION_TRACE ("RsAddress32Stream");
Buffer = *OutputBuffer;
/*
* The descriptor field is static
*/
*Buffer = 0x87;
Buffer += 1;
/*
* Set a pointer to the Length field - to be filled in later
*/
LengthField = ACPI_CAST_PTR (UINT16, Buffer);
Buffer += 2;
/*
* Set the Resource Type (Memory, Io, BusNumber)
*/
Temp8 = (UINT8) (LinkedList->Data.Address32.ResourceType & 0x03);
*Buffer = Temp8;
Buffer += 1;
/*
* Set the general flags
*/
Temp8 = (UINT8) (LinkedList->Data.Address32.ProducerConsumer & 0x01);
Temp8 |= (LinkedList->Data.Address32.Decode & 0x01) << 1;
Temp8 |= (LinkedList->Data.Address32.MinAddressFixed & 0x01) << 2;
Temp8 |= (LinkedList->Data.Address32.MaxAddressFixed & 0x01) << 3;
*Buffer = Temp8;
Buffer += 1;
/*
* Set the type specific flags
*/
Temp8 = 0;
if (ACPI_MEMORY_RANGE == LinkedList->Data.Address32.ResourceType)
{
Temp8 = (UINT8)
(LinkedList->Data.Address32.Attribute.Memory.ReadWriteAttribute &
0x01);
Temp8 |=
(LinkedList->Data.Address32.Attribute.Memory.CacheAttribute &
0x03) << 1;
}
else if (ACPI_IO_RANGE == LinkedList->Data.Address32.ResourceType)
{
Temp8 = (UINT8)
(LinkedList->Data.Address32.Attribute.Io.RangeAttribute &
0x03);
Temp8 |=
(LinkedList->Data.Address32.Attribute.Io.TranslationAttribute &
0x03) << 4;
}
*Buffer = Temp8;
Buffer += 1;
/*
* Set the address space granularity
*/
ACPI_MOVE_32_TO_32 (Buffer, &LinkedList->Data.Address32.Granularity);
Buffer += 4;
/*
* Set the address range minimum
*/
ACPI_MOVE_32_TO_32 (Buffer, &LinkedList->Data.Address32.MinAddressRange);
Buffer += 4;
/*
* Set the address range maximum
*/
ACPI_MOVE_32_TO_32 (Buffer, &LinkedList->Data.Address32.MaxAddressRange);
Buffer += 4;
/*
* Set the address translation offset
*/
ACPI_MOVE_32_TO_32 (Buffer, &LinkedList->Data.Address32.AddressTranslationOffset);
Buffer += 4;
/*
* Set the address length
*/
ACPI_MOVE_32_TO_32 (Buffer, &LinkedList->Data.Address32.AddressLength);
Buffer += 4;
/*
* Resource Source Index and Resource Source are optional
*/
if (0 != LinkedList->Data.Address32.ResourceSource.StringLength)
{
Temp8 = (UINT8) LinkedList->Data.Address32.ResourceSource.Index;
*Buffer = Temp8;
Buffer += 1;
TempPointer = (char *) Buffer;
/*
* Copy the string
*/
ACPI_STRCPY (TempPointer,
LinkedList->Data.Address32.ResourceSource.StringPtr);
/*
* Buffer needs to be set to the length of the sting + one for the
* terminating null
*/
Buffer += (ACPI_SIZE)(ACPI_STRLEN (LinkedList->Data.Address32.ResourceSource.StringPtr) + 1);
}
/*
* Return the number of bytes consumed in this operation
*/
*BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
/*
* Set the length field to the number of bytes consumed
* minus the header size (3 bytes)
*/
*LengthField = (UINT16) (*BytesConsumed - 3);
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsAddress64Resource
*
* PARAMETERS: ByteStreamBuffer - Pointer to the resource input byte
* stream
* BytesConsumed - Pointer to where the number of bytes
* consumed the ByteStreamBuffer is
* returned
* OutputBuffer - Pointer to the return data buffer
* StructureSize - Pointer to where the number of bytes
* in the return data struct is returned
*
* RETURN: Status
*
* DESCRIPTION: Take the resource byte stream and fill out the appropriate
* structure pointed to by the OutputBuffer. Return the
* number of bytes consumed from the byte stream.
*
******************************************************************************/
ACPI_STATUS
AcpiRsAddress64Resource (
UINT8 *ByteStreamBuffer,
ACPI_SIZE *BytesConsumed,
UINT8 **OutputBuffer,
ACPI_SIZE *StructureSize)
{
UINT8 *Buffer;
ACPI_RESOURCE *OutputStruct = (void *) *OutputBuffer;
UINT16 Temp16;
UINT8 Temp8;
UINT8 *TempPtr;
ACPI_SIZE StructSize;
UINT32 Index;
ACPI_FUNCTION_TRACE ("RsAddress64Resource");
Buffer = ByteStreamBuffer;
StructSize = ACPI_SIZEOF_RESOURCE (ACPI_RESOURCE_ADDRESS64);
/*
* Point past the Descriptor to get the number of bytes consumed
*/
Buffer += 1;
ACPI_MOVE_16_TO_16 (&Temp16, Buffer);
/* Validate minimum descriptor length */
if (Temp16 < 43)
{
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
}
*BytesConsumed = Temp16 + 3;
OutputStruct->Id = ACPI_RSTYPE_ADDRESS64;
/*
* Get the Resource Type (Byte3)
*/
Buffer += 2;
Temp8 = *Buffer;
/* Values 0-2 are valid */
if(Temp8 > 2)
{
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
}
OutputStruct->Data.Address64.ResourceType = Temp8 & 0x03;
/*
* Get the General Flags (Byte4)
*/
Buffer += 1;
Temp8 = *Buffer;
/*
* Producer / Consumer
*/
OutputStruct->Data.Address64.ProducerConsumer = Temp8 & 0x01;
/*
* Decode
*/
OutputStruct->Data.Address64.Decode = (Temp8 >> 1) & 0x01;
/*
* Min Address Fixed
*/
OutputStruct->Data.Address64.MinAddressFixed = (Temp8 >> 2) & 0x01;
/*
* Max Address Fixed
*/
OutputStruct->Data.Address64.MaxAddressFixed = (Temp8 >> 3) & 0x01;
/*
* Get the Type Specific Flags (Byte5)
*/
Buffer += 1;
Temp8 = *Buffer;
if (ACPI_MEMORY_RANGE == OutputStruct->Data.Address64.ResourceType)
{
OutputStruct->Data.Address64.Attribute.Memory.ReadWriteAttribute =
(UINT16) (Temp8 & 0x01);
OutputStruct->Data.Address64.Attribute.Memory.CacheAttribute =
(UINT16) ((Temp8 >> 1) & 0x03);
}
else
{
if (ACPI_IO_RANGE == OutputStruct->Data.Address64.ResourceType)
{
OutputStruct->Data.Address64.Attribute.Io.RangeAttribute =
(UINT16) (Temp8 & 0x03);
OutputStruct->Data.Address64.Attribute.Io.TranslationAttribute =
(UINT16) ((Temp8 >> 4) & 0x03);
}
else
{
/* BUS_NUMBER_RANGE == OutputStruct->Data.Address64.ResourceType */
/* Nothing needs to be filled in */
}
}
/*
* Get Granularity (Bytes 6-13)
*/
Buffer += 1;
ACPI_MOVE_64_TO_64 (&OutputStruct->Data.Address64.Granularity, Buffer);
/*
* Get MinAddressRange (Bytes 14-21)
*/
Buffer += 8;
ACPI_MOVE_64_TO_64 (&OutputStruct->Data.Address64.MinAddressRange, Buffer);
/*
* Get MaxAddressRange (Bytes 22-29)
*/
Buffer += 8;
ACPI_MOVE_64_TO_64 (&OutputStruct->Data.Address64.MaxAddressRange, Buffer);
/*
* Get AddressTranslationOffset (Bytes 30-37)
*/
Buffer += 8;
ACPI_MOVE_64_TO_64 (&OutputStruct->Data.Address64.AddressTranslationOffset, Buffer);
/*
* Get AddressLength (Bytes 38-45)
*/
Buffer += 8;
ACPI_MOVE_64_TO_64 (&OutputStruct->Data.Address64.AddressLength, Buffer);
/*
* Resource Source Index (if present)
*/
Buffer += 8;
/*
* This will leave us pointing to the Resource Source Index
* If it is present, then save it off and calculate the
* pointer to where the null terminated string goes:
* Each Interrupt takes 32-bits + the 5 bytes of the
* stream that are default.
*
* Note: Some resource descriptors will have an additional null, so
* we add 1 to the length.
*/
if (*BytesConsumed > (46 + 1))
{
/* Dereference the Index */
Temp8 = *Buffer;
OutputStruct->Data.Address64.ResourceSource.Index =
(UINT32) Temp8;
/* Point to the String */
Buffer += 1;
/* Point the String pointer to the end of this structure */
OutputStruct->Data.Address64.ResourceSource.StringPtr =
(char *)((UINT8 *)OutputStruct + StructSize);
TempPtr = (UINT8 *) OutputStruct->Data.Address64.ResourceSource.StringPtr;
/* Copy the string into the buffer */
Index = 0;
while (0x00 != *Buffer)
{
*TempPtr = *Buffer;
TempPtr += 1;
Buffer += 1;
Index += 1;
}
/*
* Add the terminating null
*/
*TempPtr = 0x00;
OutputStruct->Data.Address64.ResourceSource.StringLength = Index + 1;
/*
* In order for the StructSize to fall on a 32-bit boundary,
* calculate the length of the string and expand the
* StructSize to the next 32-bit boundary.
*/
Temp8 = (UINT8) (Index + 1);
StructSize += ACPI_ROUND_UP_TO_32BITS (Temp8);
}
else
{
OutputStruct->Data.Address64.ResourceSource.Index = 0x00;
OutputStruct->Data.Address64.ResourceSource.StringLength = 0;
OutputStruct->Data.Address64.ResourceSource.StringPtr = NULL;
}
/*
* Set the Length parameter
*/
OutputStruct->Length = (UINT32) StructSize;
/*
* Return the final size of the structure
*/
*StructureSize = StructSize;
return_ACPI_STATUS (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiRsAddress64Stream
*
* PARAMETERS: LinkedList - Pointer to the resource linked list
* OutputBuffer - Pointer to the user's return buffer
* BytesConsumed - Pointer to where the number of bytes
* used in the OutputBuffer is returned
*
* RETURN: Status
*
* DESCRIPTION: Take the linked list resource structure and fills in the
* the appropriate bytes in a byte stream
*
******************************************************************************/
ACPI_STATUS
AcpiRsAddress64Stream (
ACPI_RESOURCE *LinkedList,
UINT8 **OutputBuffer,
ACPI_SIZE *BytesConsumed)
{
UINT8 *Buffer;
UINT16 *LengthField;
UINT8 Temp8;
char *TempPointer;
ACPI_FUNCTION_TRACE ("RsAddress64Stream");
Buffer = *OutputBuffer;
/*
* The descriptor field is static
*/
*Buffer = 0x8A;
Buffer += 1;
/*
* Set a pointer to the Length field - to be filled in later
*/
LengthField = ACPI_CAST_PTR (UINT16, Buffer);
Buffer += 2;
/*
* Set the Resource Type (Memory, Io, BusNumber)
*/
Temp8 = (UINT8) (LinkedList->Data.Address64.ResourceType & 0x03);
*Buffer = Temp8;
Buffer += 1;
/*
* Set the general flags
*/
Temp8 = (UINT8) (LinkedList->Data.Address64.ProducerConsumer & 0x01);
Temp8 |= (LinkedList->Data.Address64.Decode & 0x01) << 1;
Temp8 |= (LinkedList->Data.Address64.MinAddressFixed & 0x01) << 2;
Temp8 |= (LinkedList->Data.Address64.MaxAddressFixed & 0x01) << 3;
*Buffer = Temp8;
Buffer += 1;
/*
* Set the type specific flags
*/
Temp8 = 0;
if (ACPI_MEMORY_RANGE == LinkedList->Data.Address64.ResourceType)
{
Temp8 = (UINT8)
(LinkedList->Data.Address64.Attribute.Memory.ReadWriteAttribute &
0x01);
Temp8 |=
(LinkedList->Data.Address64.Attribute.Memory.CacheAttribute &
0x03) << 1;
}
else if (ACPI_IO_RANGE == LinkedList->Data.Address64.ResourceType)
{
Temp8 = (UINT8)
(LinkedList->Data.Address64.Attribute.Io.RangeAttribute &
0x03);
Temp8 |=
(LinkedList->Data.Address64.Attribute.Io.RangeAttribute &
0x03) << 4;
}
*Buffer = Temp8;
Buffer += 1;
/*
* Set the address space granularity
*/
ACPI_MOVE_64_TO_64 (Buffer, &LinkedList->Data.Address64.Granularity);
Buffer += 8;
/*
* Set the address range minimum
*/
ACPI_MOVE_64_TO_64 (Buffer, &LinkedList->Data.Address64.MinAddressRange);
Buffer += 8;
/*
* Set the address range maximum
*/
ACPI_MOVE_64_TO_64 (Buffer, &LinkedList->Data.Address64.MaxAddressRange);
Buffer += 8;
/*
* Set the address translation offset
*/
ACPI_MOVE_64_TO_64 (Buffer, &LinkedList->Data.Address64.AddressTranslationOffset);
Buffer += 8;
/*
* Set the address length
*/
ACPI_MOVE_64_TO_64 (Buffer, &LinkedList->Data.Address64.AddressLength);
Buffer += 8;
/*
* Resource Source Index and Resource Source are optional
*/
if (0 != LinkedList->Data.Address64.ResourceSource.StringLength)
{
Temp8 = (UINT8) LinkedList->Data.Address64.ResourceSource.Index;
*Buffer = Temp8;
Buffer += 1;
TempPointer = (char *) Buffer;
/*
* Copy the string
*/
ACPI_STRCPY (TempPointer, LinkedList->Data.Address64.ResourceSource.StringPtr);
/*
* Buffer needs to be set to the length of the sting + one for the
* terminating null
*/
Buffer += (ACPI_SIZE)(ACPI_STRLEN (LinkedList->Data.Address64.ResourceSource.StringPtr) + 1);
}
/*
* Return the number of bytes consumed in this operation
*/
*BytesConsumed = ACPI_PTR_DIFF (Buffer, *OutputBuffer);
/*
* Set the length field to the number of bytes consumed
* minus the header size (3 bytes)
*/
*LengthField = (UINT16) (*BytesConsumed - 3);
return_ACPI_STATUS (AE_OK);
}
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