diff options
Diffstat (limited to 'Board/EM/FIT/Smm/FitHook.c')
| -rw-r--r-- | Board/EM/FIT/Smm/FitHook.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/Board/EM/FIT/Smm/FitHook.c b/Board/EM/FIT/Smm/FitHook.c new file mode 100644 index 0000000..303b640 --- /dev/null +++ b/Board/EM/FIT/Smm/FitHook.c @@ -0,0 +1,113 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//***************************************************************************** +// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/FIT/Smm/FitHook.c 1 7/03/13 10:06p Bensonlai $ +// +// $Revision: 1 $ +// +// $Date: 7/03/13 10:06p $ +//***************************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/FIT/Smm/FitHook.c $ +// +// 1 7/03/13 10:06p Bensonlai +// [TAG] EIP128151 +// [Category] Improvement +// [Description] Implement an option(/b) to flash FV_DATA region uisng +// AFU flash utility. +// [Files] FitHook.cif +// FitHook.c +// FitHook.sdl +// FitHook.mak +// +//***************************************************************************** +//<AMI_FHDR_START> +// +// Name: FitHook.c +// +// Description: SW SMI hook. +// +//<AMI_FHDR_END> +//***************************************************************************** + +#include <AmiDxeLib.h> +#include <Protocol/SmiFlash.h> +#include "token.h" + +#define FLASH_DEVICE_BASE_ADDRESS (0xFFFFFFFF-FLASH_SIZE+1) +#define FV_DATA_BLOCK_ADDRESS (FV_DATA_BASE-FLASH_DEVICE_BASE_ADDRESS) +#define FV_DATA_BLOCK_END (FV_DATA_BLOCK_ADDRESS+FV_DATA_SIZE) +#define FV_DATA_TABLE_OFFSET (0xFFFFFFFF-FV_DATA_BASE+1) + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: AppendFvDataToAFU_UpdateBlockTypeId +// +// Description: This function is SW SMI hook that sets Flash Block Description +// type for AMI AFU utility. (EIP#58139) +// +// Input: +// SwSmiNum - SW SMI value number +// Buffer - Flash descriptor address +// +// Output: VOID +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> + +VOID AppendFvDataToAFU_UpdateBlockTypeId ( + IN UINT8 SwSmiNum, + IN UINT64 Buffer ) +{ + BLOCK_DESC *BlockDesc; + UINTN i; + + // return if SW SMI value is not "Get Flash Info" + if (SwSmiNum != SMIFLASH_GET_FLASH_INFO) + return; + + BlockDesc = (BLOCK_DESC*)&((INFO_BLOCK*)Buffer)->Blocks; + + for (i = 0; i < ((INFO_BLOCK*)Buffer)->TotalBlocks; i++) { + + TRACE((TRACE_ALWAYS,"AppendFvDataToAFU_UpdateBlockTypeId: %08X(%08X), Block %08X\n", FV_DATA_BLOCK_ADDRESS, FV_DATA_BLOCK_END, BlockDesc[i].StartAddress)); + + if (BlockDesc[i].StartAddress < FV_DATA_BLOCK_ADDRESS) + continue; + + if (BlockDesc[i].StartAddress >= FV_DATA_BLOCK_END) + continue; + + TRACE((TRACE_ALWAYS,"AppendFvDataToAFU_UpdateBlockTypeId: Found Blocks %08X\n",BlockDesc[i].StartAddress)); + + BlockDesc[i].Type = BOOT_BLOCK; + } +} + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |