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Diffstat (limited to 'Core/EM/FastBoot/FastBootPei.c')
| -rw-r--r-- | Core/EM/FastBoot/FastBootPei.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/Core/EM/FastBoot/FastBootPei.c b/Core/EM/FastBoot/FastBootPei.c new file mode 100644 index 0000000..5082095 --- /dev/null +++ b/Core/EM/FastBoot/FastBootPei.c @@ -0,0 +1,180 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//************************************************************************* +// $Header: /Alaska/SOURCE/Modules/PTT/FastBootPei.c 2 11/09/10 8:43a Bibbyyeh $ +// +// $Revision: 2 $ +// +// $Date: 11/09/10 8:43a $ +//************************************************************************* +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/PTT/FastBootPei.c $ +// +// 2 11/09/10 8:43a Bibbyyeh +// [TAG] EIP47280 +// [Category] New Feature +// [Description] Currently, BIOS will copy FV_MAIN or FV_BB into memory +// in DXE phase. If BIOS copy rom before CPU disable flash cache in PEI +// phase. Some data are in cache already, don't need to read from physical +// ROM. It can help to save some time. +// [Files] FastBootPei.c +// +// 1 11/02/10 1:47a Bibbyyeh +// [TAG] EIP47280 +// [Category] New Feature +// [Description] Currently, BIOS will copy FV_MAIN or FV_BB into memory +// in DXE phase. +// If BIOS copy rom before CPU disable flash cache in PEI phase. +// Some data are in cache already, don't need to read from physical ROM. +// It can help to save some time. +// [Files] FastBootPei.cif +// FastBootPei.mak +// FastBootPei.c +// FastBootPei.dxs +// +// +//************************************************************************* +//<AMI_FHDR_START> +// +// Name: FastBootPei.c +// +// Description: +// Fast Boot Pei Driver +// +//<AMI_FHDR_END> +//************************************************************************* + +//============================================================================ +// Includes +//============================================================================ + +#include <AmiPeiLib.h> +#include <Pei.h> +#include <Token.h> + +//============================================================================ +// Glocal Variable Declaration +//============================================================================ +EFI_GUID gEfiPeiEndOfPeiPhasePpiGuid = EFI_PEI_END_OF_PEI_PHASE_PPI_GUID; + +EFI_STATUS NotifyAtPeiEnd ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *Ppi +); + +EFI_PEI_NOTIFY_DESCRIPTOR FastBootNotifyDescs = { + EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gEfiPeiEndOfPeiPhasePpiGuid, + NotifyAtPeiEnd +}; + + +//============================================================================ +// Procedure +//============================================================================ + +VOID CopyRomImageToRam(EFI_PEI_SERVICES **PeiServices) +{ + EFI_STATUS Status; + VOID *p; + EFI_HOB_FIRMWARE_VOLUME *FvHob; + EFI_PHYSICAL_ADDRESS MemoryBuffer; + EFI_PHYSICAL_ADDRESS FvHobAddress; + UINT64 FvHobLength; + + for( (*PeiServices)->GetHobList(PeiServices,&p) + ; !EFI_ERROR(FindNextHobByType(EFI_HOB_TYPE_FV,&p)) + ; + ) + { + FvHob = (EFI_HOB_FIRMWARE_VOLUME*)p; + FvHobAddress = FvHob->BaseAddress; + FvHobLength = FvHob->Length; + + if ( FvHobAddress == FV_MAIN_BASE || FvHobAddress == FV_BB_BASE) { + + // Allocate Memory + Status = (*PeiServices)->AllocatePages ( + PeiServices, + EfiBootServicesData, + EFI_SIZE_TO_PAGES ((UINT32)FvHobLength), + &MemoryBuffer + ); + ASSERT_PEI_ERROR (PeiServices, Status); + + // Copy FV HOB from ROM to RAM + (*PeiServices)->CopyMem ( + (VOID*)MemoryBuffer, + (VOID*)FvHobAddress, + (UINTN)FvHobLength + ); + + // Update FV HOB (BaseAddress) + FvHob->BaseAddress = MemoryBuffer; + } // end for + } // end if +} + + +EFI_STATUS NotifyAtPeiEnd ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *Ppi +) +{ + EFI_BOOT_MODE BootMode; + EFI_STATUS Status; + + Status = (*PeiServices)->GetBootMode(PeiServices, &BootMode); + ASSERT_PEI_ERROR(PeiServices, Status); + + + if ( (BootMode != BOOT_ON_S3_RESUME) && (BootMode != BOOT_IN_RECOVERY_MODE) ) { + CopyRomImageToRam(PeiServices); + } + return EFI_SUCCESS; +} + + +EFI_STATUS +FastBootPeiEntry ( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices + ) +{ + (*PeiServices)->NotifyPpi( + PeiServices, + &FastBootNotifyDescs + ); + + + return EFI_SUCCESS; +} + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |