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| author | Jiewen Yao <jiewen.yao@intel.com> | 2016-10-23 23:09:16 +0800 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2016-11-17 10:43:38 +0100 |
| commit | 97d2760429d60d557941af051a8a7e51678d7f91 (patch) | |
| tree | cf9901df9a8a922506059879bdac0863544eb56d /MdeModulePkg/Include | |
| parent | a52aed37f34650787d8dedf9b37235ad0ea9a2f4 (diff) | |
| download | edk2-platforms-97d2760429d60d557941af051a8a7e51678d7f91.tar.xz | |
MdeModulePkg/Include: Add PiSmmMemoryAttributesTable.h
This table describes the SMM memory attributes.
The new GUID gEdkiiPiSmmMemoryAttributesTableGuid and its associated
structure are based on the EFI_MEMORY_ATTRIBUTES_TABLE and GUID from the
UEFI Specification.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
[lersek@redhat.com: update commit message as requested by Michael Kinney]
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'MdeModulePkg/Include')
| -rw-r--r-- | MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h b/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h new file mode 100644 index 0000000000..317eae10ce --- /dev/null +++ b/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h @@ -0,0 +1,51 @@ +/** @file
+ Define the GUID of the EDKII PI SMM memory attribute table, which
+ is published by PI SMM Core.
+
+Copyright (c) 2016, 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.
+
+**/
+
+#ifndef _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
+#define _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
+
+#define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_GUID {\
+ 0x6b9fd3f7, 0x16df, 0x45e8, {0xbd, 0x39, 0xb9, 0x4a, 0x66, 0x54, 0x1a, 0x5d} \
+}
+
+//
+// The PI SMM memory attribute table contains the SMM memory map for SMM image.
+//
+// This table is installed to SMST as SMM configuration table.
+//
+// This table is published at gEfiSmmEndOfDxeProtocolGuid notification, because
+// there should be no more SMM driver loaded after that. The EfiRuntimeServicesCode
+// region should not be changed any more.
+//
+// This table is published, if and only if all SMM PE/COFF have aligned section
+// as specified in UEFI specification Section 2.3. For example, IA32/X64 alignment is 4KiB.
+//
+// If this table is published, the EfiRuntimeServicesCode contains code only
+// and it is EFI_MEMORY_RO; the EfiRuntimeServicesData contains data only
+// and it is EFI_MEMORY_XP.
+//
+typedef struct {
+ UINT32 Version;
+ UINT32 NumberOfEntries;
+ UINT32 DescriptorSize;
+ UINT32 Reserved;
+//EFI_MEMORY_DESCRIPTOR Entry[1];
+} EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE;
+
+#define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_VERSION 0x00000001
+
+extern EFI_GUID gEdkiiPiSmmMemoryAttributesTableGuid;
+
+#endif
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