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| author | Jiewen Yao <jiewen.yao@intel.com> | 2017-05-20 15:42:12 +0800 |
|---|---|---|
| committer | Jiewen Yao <jiewen.yao@intel.com> | 2017-06-23 11:54:49 +0800 |
| commit | 1f003fafade69043b4fd587dd30fc63997df0d3e (patch) | |
| tree | 1cb078c51efe0c56ce1b0eb3598a121862c7376f /Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h | |
| parent | 012d883a848bf7af8b4859394bb32f8b2a45313f (diff) | |
| download | edk2-platforms-1f003fafade69043b4fd587dd30fc63997df0d3e.tar.xz | |
Add MinPlatform.
reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
reviewed-by: Michael A Kubacki <michael.a.kubacki@intel.com>
reviewed-by: Amy Chan <amy.chan@intel.com>
reviewed-by: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Diffstat (limited to 'Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h')
| -rw-r--r-- | Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h b/Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h new file mode 100644 index 0000000000..04589cf040 --- /dev/null +++ b/Platform/Intel/MinPlatformPkg/Include/Guid/SmramMemoryReserve.h @@ -0,0 +1,60 @@ +/** @file
+ Definition of GUIDed HOB for reserving SMRAM regions.
+
+ This file defines:
+ * the GUID used to identify the GUID HOB for reserving SMRAM regions.
+ * the data structure of SMRAM descriptor to describe SMRAM candidate regions
+ * values of state of SMRAM candidate regions
+ * the GUID specific data structure of HOB for reserving SMRAM regions.
+ This GUIDed HOB can be used to convey the existence of the T-SEG reservation and H-SEG usage
+
+Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+
+ @par Revision Reference:
+ GUIDs defined in SmmCis spec version 0.9.
+
+**/
+
+#ifndef _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
+#define _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
+
+#define EFI_SMM_PEI_SMRAM_MEMORY_RESERVE \
+ { \
+ 0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \
+ }
+
+/**
+* GUID specific data structure of HOB for reserving SMRAM regions.
+*
+* Inconsistent with specification here:
+* EFI_HOB_SMRAM_DESCRIPTOR_BLOCK has been changed to EFI_SMRAM_HOB_DESCRIPTOR_BLOCK.
+* This inconsistency is kept in code in order for backward compatibility.
+**/
+typedef struct {
+ ///
+ /// Designates the number of possible regions in the system
+ /// that can be usable for SMRAM.
+ ///
+ /// Inconsistent with specification here:
+ /// In Framework SMM CIS 0.91 specification, it defines the field type as UINTN.
+ /// However, HOBs are supposed to be CPU neutral, so UINT32 should be used instead.
+ ///
+ UINT32 NumberOfSmmReservedRegions;
+ ///
+ /// Used throughout this protocol to describe the candidate
+ /// regions for SMRAM that are supported by this platform.
+ ///
+ EFI_SMRAM_DESCRIPTOR Descriptor[1];
+} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
+
+extern EFI_GUID gEfiSmmPeiSmramMemoryReserveGuid;
+
+#endif
+
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