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//*************************************************************************
//*************************************************************************
//** **
//** (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 **
//** **
//*************************************************************************
//*************************************************************************
|
