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/** @file
System Firmware descriptor producer.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <PiPei.h>
#include <Library/PcdLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/DebugLib.h>
#include <Protocol/FirmwareManagement.h>
#include <Guid/EdkiiSystemFmpCapsule.h>
/**
Entrypoint for SystemFirmwareDescriptor PEIM.
@param[in] FileHandle Handle of the file being invoked.
@param[in] PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS PPI successfully installed.
**/
EFI_STATUS
EFIAPI
SystemFirmwareDescriptorPeimEntry (
IN EFI_PEI_FILE_HANDLE PeiFileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR *Descriptor;
UINTN Size;
UINTN Index;
UINT32 AuthenticationStatus;
EFI_PEI_FV_HANDLE VolumeHandle;
EFI_PEI_FILE_HANDLE FileHandle;
Index = 0;
while (TRUE) {
Status = PeiServicesFfsFindNextVolume (Index++, &VolumeHandle);
if (EFI_ERROR (Status)) {
return Status;
}
Status = PeiServicesFfsFindFileByName (&gEdkiiSystemFirmwareImageDescriptorFileGuid, VolumeHandle, &FileHandle);
if (!EFI_ERROR (Status)) {
//
// Search RAW section.
//
Index = 0;
while (TRUE) {
Status = PeiServicesFfsFindSectionData3(EFI_SECTION_RAW, Index++, FileHandle, (VOID **)&Descriptor, &AuthenticationStatus);
if (EFI_ERROR(Status)) {
// Should not happen, must something wrong in FDF.
ASSERT(FALSE);
return EFI_NOT_FOUND;
}
if (Descriptor->Signature == EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE) {
break;
}
}
break;
}
}
DEBUG((DEBUG_INFO, "EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR size - 0x%x\n", Descriptor->Length));
Size = Descriptor->Length;
PcdSetPtrS (PcdEdkiiSystemFirmwareImageDescriptor, &Size, Descriptor);
return EFI_SUCCESS;
}
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