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author | Kun Qin <kuqin@microsoft.com> | 2023-06-27 16:14:20 -0700 |
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committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-06-28 19:35:43 +0000 |
commit | 6607062e91f676db8764871e2a40ee8704e8a731 (patch) | |
tree | c474eae8908421555a9eda318d2257633adff76e /MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf | |
parent | 01ac3d8b69c6e232e569439d762fa269ada5d0b0 (diff) | |
download | edk2-6607062e91f676db8764871e2a40ee8704e8a731.tar.gz edk2-6607062e91f676db8764871e2a40ee8704e8a731.tar.bz2 edk2-6607062e91f676db8764871e2a40ee8704e8a731.zip |
MdeModulePkg: Variable: Introduce MM based variable read service in PEI
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4464
This change introduced the Standalone MM based variable read capability
in PEI phase for applicable platforms (such as ARM platforms).
Similar to the x86 counterpart, MM communicate PPI is used to request
variable information from Standalone MM environment.
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Jian J Wang <jian.j.wang@intel.com>
Co-authored-by: Ronny Hansen <hansen.ronny@microsoft.com>
Co-authored-by: Shriram Masanamuthu Chinnathurai <shriramma@microsoft.com>
Co-authored-by: Preshit Harlikar <pharlikar@microsoft.com>
Signed-off-by: Kun Qin <kuqin@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Diffstat (limited to 'MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf')
-rw-r--r-- | MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf b/MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf new file mode 100644 index 0000000000..13e80523f9 --- /dev/null +++ b/MdeModulePkg/Universal/Variable/MmVariablePei/MmVariablePei.inf @@ -0,0 +1,40 @@ +## @file -- MmVariablePei.inf
+# Provides interface for reading Secure System Variables during PEI.
+#
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = MmVariablePei
+ FILE_GUID = CD660A87-454B-4346-A35C-3D89BF8ECFAF
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+ ENTRY_POINT = PeiMmVariableInitialize
+
+[Sources]
+ MmVariablePei.c
+ MmVariablePei.h
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ PcdLib
+ PeiServicesLib
+ PeimEntryPoint
+ MemoryAllocationLib
+ HobLib
+
+[Protocols]
+ gEfiSmmVariableProtocolGuid ## CONSUMES
+
+[Ppis]
+ gEfiPeiReadOnlyVariable2PpiGuid ## PRODUCES
+ gEfiPeiMmCommunicationPpiGuid ## CONSUMES
+
+[Depex]
+ gEfiPeiMmCommunicationPpiGuid
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