mirror of https://github.com/acidanthera/audk.git
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/** @file
|
|
Build FV related hobs for platform.
|
|
|
|
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include "PiPei.h"
|
|
#include "Platform.h"
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/HobLib.h>
|
|
#include <Library/PcdLib.h>
|
|
#include <Library/PeiServicesLib.h>
|
|
|
|
|
|
/**
|
|
Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
|
|
and DXE know about them.
|
|
|
|
@retval EFI_SUCCESS Platform PEI FVs were initialized successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PeiFvInitialization (
|
|
VOID
|
|
)
|
|
{
|
|
BOOLEAN SecureS3Needed;
|
|
|
|
DEBUG ((DEBUG_INFO, "Platform PEI Firmware Volume Initialization\n"));
|
|
|
|
//
|
|
// Create a memory allocation HOB for the PEI FV.
|
|
//
|
|
// Allocate as ACPI NVS is S3 is supported
|
|
//
|
|
BuildMemoryAllocationHob (
|
|
PcdGet32 (PcdOvmfPeiMemFvBase),
|
|
PcdGet32 (PcdOvmfPeiMemFvSize),
|
|
mS3Supported ? EfiACPIMemoryNVS : EfiBootServicesData
|
|
);
|
|
|
|
//
|
|
// Let DXE know about the DXE FV
|
|
//
|
|
BuildFvHob (PcdGet32 (PcdOvmfDxeMemFvBase), PcdGet32 (PcdOvmfDxeMemFvSize));
|
|
|
|
SecureS3Needed = mS3Supported && FeaturePcdGet (PcdSmmSmramRequire);
|
|
|
|
//
|
|
// Create a memory allocation HOB for the DXE FV.
|
|
//
|
|
// If "secure" S3 is needed, then SEC will decompress both PEI and DXE
|
|
// firmware volumes at S3 resume too, hence we need to keep away the OS from
|
|
// DXEFV as well. Otherwise we only need to keep away DXE itself from the
|
|
// DXEFV area.
|
|
//
|
|
BuildMemoryAllocationHob (
|
|
PcdGet32 (PcdOvmfDxeMemFvBase),
|
|
PcdGet32 (PcdOvmfDxeMemFvSize),
|
|
SecureS3Needed ? EfiACPIMemoryNVS : EfiBootServicesData
|
|
);
|
|
|
|
//
|
|
// Additionally, said decompression will use temporary memory above the end
|
|
// of DXEFV, so let's keep away the OS from there too.
|
|
//
|
|
if (SecureS3Needed) {
|
|
UINT32 DxeMemFvEnd;
|
|
|
|
DxeMemFvEnd = PcdGet32 (PcdOvmfDxeMemFvBase) +
|
|
PcdGet32 (PcdOvmfDxeMemFvSize);
|
|
BuildMemoryAllocationHob (
|
|
DxeMemFvEnd,
|
|
PcdGet32 (PcdOvmfDecompressionScratchEnd) - DxeMemFvEnd,
|
|
EfiACPIMemoryNVS
|
|
);
|
|
}
|
|
|
|
//
|
|
// Let PEI know about the DXE FV so it can find the DXE Core
|
|
//
|
|
PeiServicesInstallFvInfoPpi (
|
|
NULL,
|
|
(VOID *)(UINTN) PcdGet32 (PcdOvmfDxeMemFvBase),
|
|
PcdGet32 (PcdOvmfDxeMemFvSize),
|
|
NULL,
|
|
NULL
|
|
);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|