125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
|
/*++ @file
|
||
|
|
||
|
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
|
||
|
Portions copyright (c) 2011, Apple Inc. All rights reserved.
|
||
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
||
|
**/
|
||
|
|
||
|
#include "PiPei.h"
|
||
|
#include <Ppi/EmuThunk.h>
|
||
|
#include <Library/DebugLib.h>
|
||
|
#include <Library/PeimEntryPoint.h>
|
||
|
#include <Library/HobLib.h>
|
||
|
#include <Library/PeiServicesLib.h>
|
||
|
#include <Library/PeiServicesTablePointerLib.h>
|
||
|
#include <Library/PcdLib.h>
|
||
|
|
||
|
EFI_STATUS
|
||
|
EFIAPI
|
||
|
PeimInitializeFirmwareVolumePei (
|
||
|
IN EFI_PEI_FILE_HANDLE FileHandle,
|
||
|
IN CONST EFI_PEI_SERVICES **PeiServices
|
||
|
)
|
||
|
/*++
|
||
|
|
||
|
Routine Description:
|
||
|
Perform a call-back into the SEC simulator to get address of the Firmware Hub
|
||
|
|
||
|
Arguments:
|
||
|
FfsHeader - Ffs Header available to every PEIM
|
||
|
PeiServices - General purpose services available to every PEIM.
|
||
|
|
||
|
Returns:
|
||
|
None
|
||
|
|
||
|
**/
|
||
|
{
|
||
|
EFI_STATUS Status;
|
||
|
EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
|
||
|
EMU_THUNK_PPI *Thunk;
|
||
|
EFI_PHYSICAL_ADDRESS FdBase;
|
||
|
EFI_PHYSICAL_ADDRESS FdFixUp;
|
||
|
EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
|
||
|
UINT64 FdSize;
|
||
|
UINTN Index;
|
||
|
|
||
|
DEBUG ((EFI_D_ERROR, "Unix Firmware Volume PEIM Loaded\n"));
|
||
|
|
||
|
//
|
||
|
// Get the Fwh Information PPI
|
||
|
//
|
||
|
Status = PeiServicesLocatePpi (
|
||
|
&gEmuThunkPpiGuid, // GUID
|
||
|
0, // INSTANCE
|
||
|
&PpiDescriptor, // EFI_PEI_PPI_DESCRIPTOR
|
||
|
(VOID **)&Thunk // PPI
|
||
|
);
|
||
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
||
|
Index = 0;
|
||
|
do {
|
||
|
//
|
||
|
// Get information about all the FD's in the system
|
||
|
//
|
||
|
Status = Thunk->FirmwareDevices (Index, &FdBase, &FdSize, &FdFixUp);
|
||
|
if (!EFI_ERROR (Status)) {
|
||
|
//
|
||
|
// Assume the FD starts with an FV header
|
||
|
//
|
||
|
FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) FdBase;
|
||
|
|
||
|
//
|
||
|
// Make an FV Hob for the first FV in the FD
|
||
|
//
|
||
|
BuildFvHob (FdBase, FvHeader->FvLength);
|
||
|
|
||
|
if (Index == 0) {
|
||
|
//
|
||
|
// Assume the first FD was produced by the NT32.DSC
|
||
|
// All these strange offests are needed to keep in
|
||
|
// sync with the FlashMap and NT32.dsc file
|
||
|
//
|
||
|
BuildResourceDescriptorHob (
|
||
|
EFI_RESOURCE_FIRMWARE_DEVICE,
|
||
|
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
|
||
|
FdBase,
|
||
|
(
|
||
|
FvHeader->FvLength +
|
||
|
PcdGet32 (PcdFlashNvStorageVariableSize) +
|
||
|
PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +
|
||
|
PcdGet32 (PcdFlashNvStorageFtwSpareSize) +
|
||
|
PcdGet32 (PcdEmuFlashNvStorageEventLogSize)
|
||
|
)
|
||
|
);
|
||
|
|
||
|
//
|
||
|
// Hard code the address of the spare block and variable services.
|
||
|
// Assume it's a hard coded offset from FV0 in FD0.
|
||
|
//
|
||
|
FdSize =
|
||
|
PcdGet32 (PcdFlashNvStorageVariableSize) +
|
||
|
PcdGet32 (PcdFlashNvStorageFtwWorkingSize) +
|
||
|
PcdGet32 (PcdFlashNvStorageFtwSpareSize) +
|
||
|
PcdGet32 (PcdEmuFlashNvStorageEventLogSize);
|
||
|
|
||
|
BuildFvHob (FdFixUp + PcdGet64 (PcdEmuFlashNvStorageVariableBase), FdSize);
|
||
|
} else {
|
||
|
//
|
||
|
// For other FD's just map them in.
|
||
|
//
|
||
|
BuildResourceDescriptorHob (
|
||
|
EFI_RESOURCE_FIRMWARE_DEVICE,
|
||
|
(EFI_RESOURCE_ATTRIBUTE_PRESENT | EFI_RESOURCE_ATTRIBUTE_INITIALIZED | EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE),
|
||
|
FdBase,
|
||
|
FdSize
|
||
|
);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
Index++;
|
||
|
} while (!EFI_ERROR (Status));
|
||
|
|
||
|
return Status;
|
||
|
}
|