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/*
* Copyright 2006-2007 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/**
Module Name:
Decoder.c
Abstract:
Commands Decoder
Revision History:
NEG:24.09.2002 Initiated.
--*/
//#include "AtomBios.h"
#include "Decoder.h"
#include "atombios.h"
#include "CD_binding.h"
#include "CD_Common_Types.h"
#ifndef DISABLE_EASF
#include "easf.h"
#endif
#define INDIRECT_IO_TABLE (((UINT16)(ULONG_PTR)&((ATOM_MASTER_LIST_OF_DATA_TABLES*)0)->IndirectIOAccess)/sizeof(TABLE_UNIT_TYPE) )
extern COMMANDS_PROPERTIES CallTable[];
UINT8 ProcessCommandProperties(PARSER_TEMP_DATA STACK_BASED * pParserTempData)
{
UINT8 opcode=((COMMAND_HEADER*)pParserTempData->pWorkingTableData->IP)->Opcode;
pParserTempData->pWorkingTableData->IP+=CallTable[opcode].headersize;
pParserTempData->ParametersType.Destination=CallTable[opcode].destination;
pParserTempData->ParametersType.Source = pParserTempData->pCmd->Header.Attribute.Source;
pParserTempData->CD_Mask.SrcAlignment=pParserTempData->pCmd->Header.Attribute.SourceAlignment;
pParserTempData->CD_Mask.DestAlignment=pParserTempData->pCmd->Header.Attribute.DestinationAlignment;
return opcode;
}
UINT16* GetCommandMasterTablePointer(DEVICE_DATA STACK_BASED* pDeviceData)
{
UINT16 *MasterTableOffset;
#ifndef DISABLE_EASF
if (pDeviceData->format == TABLE_FORMAT_EASF)
{
/*
make MasterTableOffset point to EASF_ASIC_SETUP_TABLE structure, including usSize.
*/
MasterTableOffset = (UINT16 *) (pDeviceData->pBIOS_Image+((EASF_ASIC_DESCRIPTOR*)pDeviceData->pBIOS_Image)->usAsicSetupTable_Offset);
} else
#endif
{
#ifndef UEFI_BUILD
MasterTableOffset = (UINT16 *)(*(UINT16 *)(pDeviceData->pBIOS_Image+OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER) + pDeviceData->pBIOS_Image);
MasterTableOffset = (UINT16 *)((ULONG)((ATOM_ROM_HEADER *)MasterTableOffset)->usMasterCommandTableOffset + pDeviceData->pBIOS_Image );
MasterTableOffset =(UINT16 *) &(((ATOM_MASTER_COMMAND_TABLE *)MasterTableOffset)->ListOfCommandTables);
#else
MasterTableOffset = (UINT16 *)(&(GetCommandMasterTable( )->ListOfCommandTables));
#endif
}
return MasterTableOffset;
}
UINT16* GetDataMasterTablePointer(DEVICE_DATA STACK_BASED* pDeviceData)
{
UINT16 *MasterTableOffset;
#ifndef UEFI_BUILD
MasterTableOffset = (UINT16 *)(*(UINT16 *)(pDeviceData->pBIOS_Image+OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER) + pDeviceData->pBIOS_Image);
MasterTableOffset = (UINT16 *)((ULONG)((ATOM_ROM_HEADER *)MasterTableOffset)->usMasterDataTableOffset + pDeviceData->pBIOS_Image );
MasterTableOffset =(UINT16 *) &(((ATOM_MASTER_DATA_TABLE *)MasterTableOffset)->ListOfDataTables);
#else
MasterTableOffset = (UINT16 *)(&(GetDataMasterTable( )->ListOfDataTables));
#endif
return MasterTableOffset;
}
UINT8 GetTrueIndexInMasterTable(PARSER_TEMP_DATA STACK_BASED * pParserTempData, UINT8 IndexInMasterTable)
{
#ifndef DISABLE_EASF
UINT16 i;
if ( pParserTempData->pDeviceData->format == TABLE_FORMAT_EASF)
{
/*
Consider EASF_ASIC_SETUP_TABLE structure pointed by pParserTempData->pCmd as UINT16[]
((UINT16*)pParserTempData->pCmd)[0] = EASF_ASIC_SETUP_TABLE.usSize;
((UINT16*)pParserTempData->pCmd)[1+n*4] = usFunctionID;
usFunctionID has to be shifted left by 2 before compare it to the value provided by caller.
*/
for (i=1; (i < ((UINT16*)pParserTempData->pCmd)[0] >> 1);i+=4)
if ((UINT8)(((UINT16*)pParserTempData->pCmd)[i] << 2)==(IndexInMasterTable & EASF_TABLE_INDEX_MASK)) return (i+1+(IndexInMasterTable & EASF_TABLE_ATTR_MASK));
return 1;
} else
#endif
{
return IndexInMasterTable;
}
}
CD_STATUS ParseTable(DEVICE_DATA STACK_BASED* pDeviceData, UINT8 IndexInMasterTable)
{
PARSER_TEMP_DATA ParserTempData;
WORKING_TABLE_DATA STACK_BASED* prevWorkingTableData;
ParserTempData.pDeviceData=(DEVICE_DATA*)pDeviceData;
#ifndef DISABLE_EASF
if (pDeviceData->format == TABLE_FORMAT_EASF)
{
ParserTempData.IndirectIOTablePointer = 0;
} else
#endif
{
ParserTempData.pCmd=(GENERIC_ATTRIBUTE_COMMAND*)GetDataMasterTablePointer(pDeviceData);
ParserTempData.IndirectIOTablePointer=(UINT8*)((ULONG)(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[INDIRECT_IO_TABLE]) + pDeviceData->pBIOS_Image);
ParserTempData.IndirectIOTablePointer+=sizeof(ATOM_COMMON_TABLE_HEADER);
}
ParserTempData.pCmd=(GENERIC_ATTRIBUTE_COMMAND*)GetCommandMasterTablePointer(pDeviceData);
IndexInMasterTable=GetTrueIndexInMasterTable((PARSER_TEMP_DATA STACK_BASED *)&ParserTempData,IndexInMasterTable);
if(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[IndexInMasterTable]!=0 ) // if the offset is not ZERO
{
ParserTempData.CommandSpecific.IndexInMasterTable=IndexInMasterTable;
ParserTempData.Multipurpose.CurrentPort=ATI_RegsPort;
ParserTempData.CurrentPortID=INDIRECT_IO_MM;
ParserTempData.CurrentRegBlock=0;
ParserTempData.CurrentFB_Window=0;
prevWorkingTableData=NULL;
ParserTempData.Status=CD_CALL_TABLE;
do{
if (ParserTempData.Status==CD_CALL_TABLE)
{
IndexInMasterTable=ParserTempData.CommandSpecific.IndexInMasterTable;
if(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[IndexInMasterTable]!=0) // if the offset is not ZERO
{
#ifndef UEFI_BUILD
ParserTempData.pWorkingTableData =(WORKING_TABLE_DATA STACK_BASED*) AllocateWorkSpace(pDeviceData,
((ATOM_COMMON_ROM_COMMAND_TABLE_HEADER*)(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[IndexInMasterTable]+pDeviceData->pBIOS_Image))->TableAttribute.WS_SizeInBytes+sizeof(WORKING_TABLE_DATA));
#else
ParserTempData.pWorkingTableData =(WORKING_TABLE_DATA STACK_BASED*) AllocateWorkSpace(pDeviceData,
((ATOM_COMMON_ROM_COMMAND_TABLE_HEADER*)(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[IndexInMasterTable]))->TableAttribute.WS_SizeInBytes+sizeof(WORKING_TABLE_DATA));
#endif
if (ParserTempData.pWorkingTableData!=NULL)
{
ParserTempData.pWorkingTableData->pWorkSpace=(WORKSPACE_POINTER STACK_BASED*)((UINT8*)ParserTempData.pWorkingTableData+sizeof(WORKING_TABLE_DATA));
#ifndef UEFI_BUILD
ParserTempData.pWorkingTableData->pTableHead = (UINT8 *)(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[IndexInMasterTable]+pDeviceData->pBIOS_Image);
#else
ParserTempData.pWorkingTableData->pTableHead = (UINT8 *)(((PTABLE_UNIT_TYPE)ParserTempData.pCmd)[IndexInMasterTable]);
#endif
ParserTempData.pWorkingTableData->IP=((UINT8*)ParserTempData.pWorkingTableData->pTableHead)+sizeof(ATOM_COMMON_ROM_COMMAND_TABLE_HEADER);
ParserTempData.pWorkingTableData->prevWorkingTableData=prevWorkingTableData;
prevWorkingTableData=ParserTempData.pWorkingTableData;
ParserTempData.Status = CD_SUCCESS;
} else ParserTempData.Status = CD_UNEXPECTED_BEHAVIOR;
} else ParserTempData.Status = CD_EXEC_TABLE_NOT_FOUND;
}
if (!CD_ERROR(ParserTempData.Status))
{
ParserTempData.Status = CD_SUCCESS;
while (!CD_ERROR_OR_COMPLETED(ParserTempData.Status))
{
if (IS_COMMAND_VALID(((COMMAND_HEADER*)ParserTempData.pWorkingTableData->IP)->Opcode))
{
ParserTempData.pCmd = (GENERIC_ATTRIBUTE_COMMAND*)ParserTempData.pWorkingTableData->IP;
if (IS_END_OF_TABLE(((COMMAND_HEADER*)ParserTempData.pWorkingTableData->IP)->Opcode))
{
ParserTempData.Status=CD_COMPLETED;
prevWorkingTableData=ParserTempData.pWorkingTableData->prevWorkingTableData;
FreeWorkSpace(pDeviceData, ParserTempData.pWorkingTableData);
ParserTempData.pWorkingTableData=prevWorkingTableData;
if (prevWorkingTableData!=NULL)
{
ParserTempData.pDeviceData->pParameterSpace-=
(((ATOM_COMMON_ROM_COMMAND_TABLE_HEADER*)ParserTempData.pWorkingTableData->
pTableHead)->TableAttribute.PS_SizeInBytes>>2);
}
// if there is a parent table where to return, then restore PS_pointer to the original state
}
else
{
IndexInMasterTable=ProcessCommandProperties((PARSER_TEMP_DATA STACK_BASED *)&ParserTempData);
(*CallTable[IndexInMasterTable].function)((PARSER_TEMP_DATA STACK_BASED *)&ParserTempData);
#if (PARSER_TYPE!=DRIVER_TYPE_PARSER)
BIOS_STACK_MODIFIER();
#endif
}
}
else
{
ParserTempData.Status=CD_INVALID_OPCODE;
break;
}
} // while
} // if
else
break;
} while (prevWorkingTableData!=NULL);
if (ParserTempData.Status == CD_COMPLETED) return CD_SUCCESS;
return ParserTempData.Status;
} else return CD_SUCCESS;
}
// EOF
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