summaryrefslogtreecommitdiff
path: root/EDK/Foundation/Framework/Guid/SmramMemoryReserve
diff options
context:
space:
mode:
authorraywu <raywu0301@gmail.com>2018-06-15 00:00:50 +0800
committerraywu <raywu0301@gmail.com>2018-06-15 00:00:50 +0800
commitb7c51c9cf4864df6aabb99a1ae843becd577237c (patch)
treeeebe9b0d0ca03062955223097e57da84dd618b9a /EDK/Foundation/Framework/Guid/SmramMemoryReserve
downloadzprj-master.tar.xz
init. 1AQQW051HEADmaster
Diffstat (limited to 'EDK/Foundation/Framework/Guid/SmramMemoryReserve')
-rw-r--r--EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.c28
-rw-r--r--EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.h70
2 files changed, 98 insertions, 0 deletions
diff --git a/EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.c b/EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.c
new file mode 100644
index 0000000..221b1a8
--- /dev/null
+++ b/EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.c
@@ -0,0 +1,28 @@
+/*++
+
+Copyright (c) 1999 - 2002, 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.
+
+
+Module Name:
+
+ SmramMemoryReserve.c
+
+Abstract:
+
+ GUID for use in reserving SMRAM regions.
+
+--*/
+
+#include "Tiano.h"
+#include EFI_GUID_DEFINITION(SmramMemoryReserve)
+
+EFI_GUID gEfiSmmPeiSmramMemoryReserve = EFI_SMM_PEI_SMRAM_MEMORY_RESERVE;
+
+EFI_GUID_STRING(&gEfiSmmPeiSmramMemoryReserve, "SMRAM Memory Reserve", "SMRAM Memory Reserve");
diff --git a/EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.h b/EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.h
new file mode 100644
index 0000000..ff3351b
--- /dev/null
+++ b/EDK/Foundation/Framework/Guid/SmramMemoryReserve/SmramMemoryReserve.h
@@ -0,0 +1,70 @@
+/*++
+
+Copyright (c) 1999 - 2002, 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.
+
+
+Module Name:
+
+ SmramMemoryReserve.h
+
+Abstract:
+
+ GUID for use in reserving SMRAM regions.
+
+--*/
+
+#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 \
+ }
+
+//
+// *******************************************************
+// EFI_SMRAM_DESCRIPTOR
+// *******************************************************
+//
+typedef struct {
+ EFI_PHYSICAL_ADDRESS PhysicalStart; // Phsyical location in DRAM
+ EFI_PHYSICAL_ADDRESS CpuStart; // Address CPU uses to access the SMI handler
+ // May or may not match PhysicalStart
+ //
+ UINT64 PhysicalSize;
+ UINT64 RegionState;
+} EFI_SMRAM_DESCRIPTOR;
+
+//
+// *******************************************************
+// EFI_SMRAM_STATE
+// *******************************************************
+//
+#define EFI_SMRAM_OPEN 0x00000001
+#define EFI_SMRAM_CLOSED 0x00000002
+#define EFI_SMRAM_LOCKED 0x00000004
+#define EFI_CACHEABLE 0x00000008
+#define EFI_ALLOCATED 0x00000010
+#define EFI_NEEDS_TESTING 0x00000020
+#define EFI_NEEDS_ECC_INITIALIZATION 0x00000040
+
+//
+// *******************************************************
+// EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
+// *******************************************************
+//
+typedef struct {
+ UINT32 NumberOfSmmReservedRegions;
+ EFI_SMRAM_DESCRIPTOR Descriptor[1];
+} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
+
+extern EFI_GUID gEfiSmmPeiSmramMemoryReserve;
+
+#endif