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/FirmwareVolumePei | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/EmulatorPkg/FirmwareVolumePei')
| -rw-r--r-- | roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.c | 124 | ||||
| -rw-r--r-- | roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.inf | 55 |
2 files changed, 179 insertions, 0 deletions
diff --git a/roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.c b/roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.c new file mode 100644 index 000000000..417811109 --- /dev/null +++ b/roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.c @@ -0,0 +1,124 @@ +/*++ @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;
+}
diff --git a/roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.inf b/roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.inf new file mode 100644 index 000000000..c50061f60 --- /dev/null +++ b/roms/edk2/EmulatorPkg/FirmwareVolumePei/FirmwareVolumePei.inf @@ -0,0 +1,55 @@ +## @file
+# Component description file for EmuFwh module
+#
+# This PEIM will produce the HOB to describe Firmware Volume, Firmware Devices
+# on the Emu emulator.
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+# Portions copyright (c) 2011, Apple Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FirmwareVolumePei
+ FILE_GUID = 6DB075DE-449E-2644-96D0-CC5A1B4C3B2A
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ ENTRY_POINT = PeimInitializeFirmwareVolumePei
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 EBC
+#
+
+[Sources]
+ FirmwareVolumePei.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ EmulatorPkg/EmulatorPkg.dec
+
+[LibraryClasses]
+ PeiServicesTablePointerLib
+ PeiServicesLib
+ HobLib
+ PeimEntryPoint
+ DebugLib
+
+[Pcd]
+ gEmulatorPkgTokenSpaceGuid.PcdEmuFlashNvStorageEventLogSize
+ gEmulatorPkgTokenSpaceGuid.PcdEmuFlashNvStorageVariableBase
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
+
+[Ppis]
+ gEmuThunkPpiGuid # PPI ALWAYS_CONSUMED
+
+[Depex]
+ gEmuThunkPpiGuid AND gEfiPeiMemoryDiscoveredPpiGuid
+
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