diff options
Diffstat (limited to 'Core/EM/PeiRamBoot/PeiRamBootCacheRdy.c')
| -rw-r--r-- | Core/EM/PeiRamBoot/PeiRamBootCacheRdy.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/Core/EM/PeiRamBoot/PeiRamBootCacheRdy.c b/Core/EM/PeiRamBoot/PeiRamBootCacheRdy.c new file mode 100644 index 0000000..1f7c5bf --- /dev/null +++ b/Core/EM/PeiRamBoot/PeiRamBootCacheRdy.c @@ -0,0 +1,114 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/PEI Ram Boot/PeiRamBootCacheRdy.c 2 8/28/15 3:53a Tristinchou $ +// +// $Revision: 2 $ +// +// $Date: 8/28/15 3:53a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/PEI Ram Boot/PeiRamBootCacheRdy.c $ +// +// 2 8/28/15 3:53a Tristinchou +// [TAG] EIP235157 +// [Category] Improvement +// [Description] Security vulnerability - PeiRamBoot: Should leave cold +// boot optimization only +// +// 1 4/22/11 1:39a Calvinchen +// Added Token "SAVE_ENTIRE_FV_TO_MEM" for OEM measure FV if needed. +// +// +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: PeiRamBootCacheRdy.c +// +// Description: PEI RAM BOOT Pei driver. +// +//<AMI_FHDR_END> +//********************************************************************** +//---------------------------------------------------------------------------- +// Includes +// Statements that include other files +#include <PEI.h> +#include <AmiPeiLib.h> +#include <AmiCspLib.h> +#include <PeiRamBoot.h> +//---------------------------------------------------------------------------- +// Function Externs +//---------------------------------------------------------------------------- +// Local prototypes +EFI_GUID gRomCacheEnablePpiGuid = ROM_CACHE_ENABLE_PPI_GUID; + +// PPI to be installed +EFI_PEI_PPI_DESCRIPTOR RomCacheEnablePpiList[] = { + { + EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gRomCacheEnablePpiGuid, NULL + } +}; +//---------------------------------------------------------------------------- +// Local Variables + +//---------------------------------------------------------------------------- +// Function Definitions +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: PeiRamBootCacheRdyEntry +// +// Description: PEI Entry Point for PeiRamBootCacheRdy Driver. +// +// Input: EFI_FFS_FILE_HEADER* - FfsHeader +// EFI_PEI_SERVICES** - PeiServices +// +// Output: EFI_STATUS +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +PeiRamBootCacheRdyEntry ( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices +) +{ + EFI_STATUS Status; + EFI_BOOT_MODE BootMode; + + Status = (*PeiServices)->GetBootMode (PeiServices, &BootMode); + if (EFI_ERROR(Status)) return Status; + if ((BootMode == BOOT_ON_FLASH_UPDATE) || (BootMode == BOOT_ON_S3_RESUME) || \ + (BootMode == BOOT_IN_RECOVERY_MODE)) return Status; + Status = (*PeiServices)->InstallPpi (PeiServices, RomCacheEnablePpiList); + return Status; + +} +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//*************************************************************************
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