diff options
| author | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-06-17 06:13:38 +0000 |
|---|---|---|
| committer | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-06-17 06:13:38 +0000 |
| commit | b1a025efdbffea1ff4896a71b501aadc2771aedb (patch) | |
| tree | 320d8194eb50e4a05cd7a7c96cf11d952c8e2df5 /EdkCompatibilityPkg | |
| parent | 9161f07ce20cc5b2ddfb89e155ad4c66c741f080 (diff) | |
| download | edk2-platforms-b1a025efdbffea1ff4896a71b501aadc2771aedb.tar.xz | |
Add FvHobToFvInfoThunk.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5345 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkCompatibilityPkg')
| -rw-r--r-- | EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.c | 110 | ||||
| -rw-r--r-- | EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.inf | 62 |
2 files changed, 172 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.c b/EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.c new file mode 100644 index 0000000000..00e971f3e1 --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.c @@ -0,0 +1,110 @@ +/** @file
+ Module produces EFI_FIRMWARE_VOLUME_INFO_PPI based on each FV HOB if no such PPI exist for the FV.
+
+ UEFI PI Spec supersedes Intel's Framework Specs.
+ EFI_FIRMWARE_VOLUME_INFO_PPI defined in PI spec is required by PI PEI core to dispatch PEIMs or find DXE core
+ in the FV.
+ This module produces produces EFI_FIRMWARE_VOLUME_INFO_PPI based on each FV HOB if no such PPI exist for the FV.
+ This module is used on platform when both of these two conditions are true:
+ 1) Framework platform module produces FV HOB but does not build EFI_FIRMWARE_VOLUME_INFO_PPI.
+ 2) The platform has PI PEI core that cosumes EFI_FIRMWARE_VOLUME_INFO_PPI to dispatch PEIMs or DXE core
+ in FVs other than Boot Fimware Volume.
+
+Copyright (c) 2008 Intel Corporation. <BR>
+All rights reserved. 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.
+Module Name:
+
+**/
+
+#include <PiPei.h>
+#include <Ppi/FirmwareVolumeInfo.h>
+#include <Library/DebugLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeiPiLib.h>
+
+
+/**
+ Check if there is a matching EFI_PEI_FIRMWARE_VOLUME_INFO_PPI for the FV described by FvHob.
+
+ This function located all existing instance of EFI_PEI_FIRMWARE_VOLUME_INFO_PPI in the platform.
+ Then it compare the base address of the FVs found with that of FvHob. If a matching base address is
+ found, the function return TRUE. Otherwise, FALSE is returned.
+
+ If a matching base address of FV is found but the length of FV does not match, then ASSERT ().
+
+ @param FvHob The FV Hob.
+
+ @retval TRUE A instance of EFI_PEI_FIRMWARE_VOLUME_INFO_PPI is already installed.
+
+**/
+BOOLEAN
+FvInfoPpiInstalled (
+ EFI_HOB_FIRMWARE_VOLUME * FvHob
+ )
+{
+ EFI_STATUS Status;
+ UINTN Idx;
+ EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;
+
+ for (Idx = 0; ; Idx++) {
+ Status = PeiServicesLocatePpi (
+ &gEfiPeiFirmwareVolumeInfoPpiGuid,
+ Idx,
+ NULL,
+ (VOID **) &FvInfoPpi
+ );
+ if (!EFI_ERROR (Status)) {
+ if (FvHob->BaseAddress == (EFI_PHYSICAL_ADDRESS) (UINTN) FvInfoPpi->FvInfo) {
+ ASSERT (FvHob->Length == (UINT64) FvInfoPpi->FvInfoSize);
+ return TRUE;
+ }
+ } else {
+ break;
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ PEIM's standard entry point.
+
+ @param FfsHeader Image's header
+ @param PeiServices Pointer of EFI_PEI_SERVICES
+ @return EFI_SUCESS This entry point always return successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+FvHobtoFvInfoThunkEntry (
+ IN EFI_PEI_FILE_HANDLE FfsHeader,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ EFI_PEI_HOB_POINTERS HobPointer;
+
+ for (HobPointer.Raw = GetNextHob (EFI_HOB_TYPE_FV, GetHobList ());
+ HobPointer.Raw != NULL;
+ HobPointer.Raw = GetNextHob (EFI_HOB_TYPE_FV, GET_NEXT_HOB (HobPointer))) {
+ if (!FvInfoPpiInstalled (HobPointer.FirmwareVolume)) {
+ PiLibInstallFvInfoPpi (
+ &(((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) HobPointer.FirmwareVolume->BaseAddress)->FileSystemGuid),
+ (VOID *) (UINTN) HobPointer.FirmwareVolume->BaseAddress,
+ (UINT32) HobPointer.FirmwareVolume->Length,
+ NULL,
+ NULL
+ );
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
diff --git a/EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.inf b/EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.inf new file mode 100644 index 0000000000..2ab47abd29 --- /dev/null +++ b/EdkCompatibilityPkg/Compatibility/FvHobToFvInfoThunk/FvHobToFvInfoThunk.inf @@ -0,0 +1,62 @@ +#/** @file
+# Module produces EFI_FIRMWARE_VOLUME_INFO_PPI based on each FV HOB if no such PPI exist for the FV.
+#
+# UEFI PI Spec supersedes Intel's Framework Specs.
+# EFI_FIRMWARE_VOLUME_INFO_PPI defined in PI spec is required by PI PEI core to dispatch PEIMs or find DXE cores
+# in the FV.
+# This module produces produces EFI_FIRMWARE_VOLUME_INFO_PPI based on each FV HOB if no such PPI exist for the FV.
+# This module is used on platform when both of these two conditions are true:
+# 1) Framework platform module produces FV HOB but does not build EFI_FIRMWARE_VOLUME_INFO_PPI.
+# 2) The platform has PI PEI core that cosumes EFI_FIRMWARE_VOLUME_INFO_PPI to dispatch PEIMs in FVs other
+# than Boot Fimware Volume.
+#
+#
+# Copyright (c) 2007, Intel Corporation
+#
+# All rights reserved. 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.
+#
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FvHobToFvInfoThunk
+ FILE_GUID = 9E00A9F6-B88E-4ab5-A825-15970E12731A
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ EDK_RELEASE_VERSION = 0x00020000
+ EFI_SPECIFICATION_VERSION = 0x00020000
+
+ ENTRY_POINT = FvHobtoFvInfoThunkEntry
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+ FvHobtoFvInfoThunk.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+
+[LibraryClasses]
+ PeimEntryPoint
+ PeiServicesLib
+ PeiServicesTablePointerLib
+ DebugLib
+ HobLib
+ PeiPiLib
+
+[Ppis]
+ gEfiPeiFirmwareVolumeInfoPpiGuid
+
+[Depex]
+ gEfiPeiMemoryDiscoveredPpiGuid
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