From: Star Zeng <star.zeng@intel.com>
Date: Mon, 11 May 2015 05:16:02 +0000 (+0000)
Subject: MdePkg: Add memory more reliable definitions.
X-Git-Tag: edk2-stable201903~9856
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=e919c766d50b1e1f4c9890fb383640c7fd2a3ffe

MdePkg: Add memory more reliable definitions.

PiHob.h: EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE resource attribute.
PiDxeCis: EfiGcdMemoryTypeMoreReliable GCD memory type.
UefiSpec.h: EFI_MEMORY_MORE_RELIABLE memory attribute.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17399 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdePkg/Include/Pi/PiDxeCis.h b/MdePkg/Include/Pi/PiDxeCis.h
index bb5e6a2389..a2208dffc2 100644
--- a/MdePkg/Include/Pi/PiDxeCis.h
+++ b/MdePkg/Include/Pi/PiDxeCis.h
@@ -53,6 +53,11 @@ typedef enum {
   /// This memory supports byte-addressable non-volatility. 
   ///
   EfiGcdMemoryTypePersistentMemory,
+  ///
+  /// A memory region that provides higher reliability relative to other memory in the
+  /// system. If all memory has the same reliability, then this bit is not used.
+  ///
+  EfiGcdMemoryTypeMoreReliable,
   EfiGcdMemoryTypeMaximum
 } EFI_GCD_MEMORY_TYPE;
 
diff --git a/MdePkg/Include/Pi/PiHob.h b/MdePkg/Include/Pi/PiHob.h
index b24f95149b..8581d7c747 100644
--- a/MdePkg/Include/Pi/PiHob.h
+++ b/MdePkg/Include/Pi/PiHob.h
@@ -11,7 +11,7 @@ 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:
-  PI Version 1.0
+  PI Version 1.4
 
 **/
 
@@ -295,6 +295,14 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE;
 #define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED      0x00040000
 #define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE    0x00800000
 
+//
+// Physical memory relative reliability attribute. This
+// memory provides higher reliability relative to other
+// memory in the system. If all memory has the same
+// reliability, then this bit is not used.
+//
+#define EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE            0x02000000
+
 ///
 /// Describes the resource properties of all fixed,
 /// nonrelocatable resource ranges found on the processor
diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
index 243f33078a..d38a5571af 100644
--- a/MdePkg/Include/Uefi/UefiSpec.h
+++ b/MdePkg/Include/Uefi/UefiSpec.h
@@ -63,30 +63,35 @@ typedef enum {
 //
 // Memory cacheability attributes
 //
-#define EFI_MEMORY_UC   0x0000000000000001ULL
-#define EFI_MEMORY_WC   0x0000000000000002ULL
-#define EFI_MEMORY_WT   0x0000000000000004ULL
-#define EFI_MEMORY_WB   0x0000000000000008ULL
-#define EFI_MEMORY_UCE  0x0000000000000010ULL
+#define EFI_MEMORY_UC               0x0000000000000001ULL
+#define EFI_MEMORY_WC               0x0000000000000002ULL
+#define EFI_MEMORY_WT               0x0000000000000004ULL
+#define EFI_MEMORY_WB               0x0000000000000008ULL
+#define EFI_MEMORY_UCE              0x0000000000000010ULL
 //
 // Physical memory protection attributes
 //
 // Note: UEFI spec 2.5 and following: use EFI_MEMORY_RO as write-protected physical memory
 // protection attribute. Also, EFI_MEMORY_WP means cacheability attribute.
 //
-#define EFI_MEMORY_WP   0x0000000000001000ULL
-#define EFI_MEMORY_RP   0x0000000000002000ULL
-#define EFI_MEMORY_XP   0x0000000000004000ULL
-#define EFI_MEMORY_RO   0x0000000000020000ULL
+#define EFI_MEMORY_WP               0x0000000000001000ULL
+#define EFI_MEMORY_RP               0x0000000000002000ULL
+#define EFI_MEMORY_XP               0x0000000000004000ULL
+#define EFI_MEMORY_RO               0x0000000000020000ULL
 //
 // Physical memory persistence attribute. 
 // The memory region supports byte-addressable non-volatility.
 //
-#define EFI_MEMORY_NV   0x0000000000008000ULL
+#define EFI_MEMORY_NV               0x0000000000008000ULL
+//
+// The memory region provides higher reliability relative to other memory in the system.
+// If all memory has the same reliability, then this bit is not used.
+//
+#define EFI_MEMORY_MORE_RELIABLE    0x0000000000010000ULL
 //
 // Runtime memory attribute
 //
-#define EFI_MEMORY_RUNTIME  0x8000000000000000ULL
+#define EFI_MEMORY_RUNTIME          0x8000000000000000ULL
 
 ///
 /// Memory descriptor version number.