diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/EmulatorPkg/FlashMapPei/FlashMapPei.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/EmulatorPkg/FlashMapPei/FlashMapPei.c')
| -rw-r--r-- | roms/edk2/EmulatorPkg/FlashMapPei/FlashMapPei.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/roms/edk2/EmulatorPkg/FlashMapPei/FlashMapPei.c b/roms/edk2/EmulatorPkg/FlashMapPei/FlashMapPei.c new file mode 100644 index 000000000..7744065dd --- /dev/null +++ b/roms/edk2/EmulatorPkg/FlashMapPei/FlashMapPei.c @@ -0,0 +1,77 @@ +/*++ @file
+ PEIM to build GUIDed HOBs for platform specific flash map
+
+Copyright (c) 2006 - 2019, 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 <Guid/SystemNvDataGuid.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/BaseMemoryLib.h>
+#include <Library/PcdLib.h>
+
+EFI_STATUS
+EFIAPI
+PeimInitializeFlashMap (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+/*++
+
+Routine Description:
+ Build GUIDed HOBs for platform specific flash map
+
+Arguments:
+ FfsHeader - A pointer to the EFI_FFS_FILE_HEADER structure.
+ PeiServices - General purpose services available to every PEIM.
+
+Returns:
+ EFI_STATUS
+
+**/
+{
+ EFI_STATUS Status;
+ EMU_THUNK_PPI *Thunk;
+ EFI_PEI_PPI_DESCRIPTOR *PpiDescriptor;
+ EFI_PHYSICAL_ADDRESS FdBase;
+ EFI_PHYSICAL_ADDRESS FdFixUp;
+ UINT64 FdSize;
+
+ DEBUG ((EFI_D_ERROR, "EmulatorPkg Flash Map 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);
+
+ //
+ // Assume that FD0 contains the Flash map.
+ //
+ Status = Thunk->FirmwareDevices (0, &FdBase, &FdSize, &FdFixUp);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ PcdSet64S (PcdFlashNvStorageVariableBase64, PcdGet64 (PcdEmuFlashNvStorageVariableBase) + FdFixUp);
+ PcdSet64S (PcdFlashNvStorageFtwWorkingBase64, PcdGet64 (PcdEmuFlashNvStorageFtwWorkingBase) + FdFixUp);
+ PcdSet64S (PcdFlashNvStorageFtwSpareBase64, PcdGet64 (PcdEmuFlashNvStorageFtwSpareBase) + FdFixUp);
+
+ return EFI_SUCCESS;
+}
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