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| author | Star Zeng <star.zeng@intel.com> | 2015-05-11 03:32:48 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@Edk2> | 2015-05-11 03:32:48 +0000 |
| commit | ecde59b2ddef1c0f262d69d533b24f2c2325fd69 (patch) | |
| tree | a8a444576b8f15de5bf0b340e60c22001339c75d /MdePkg/Include/Pi | |
| parent | 34363594e3373601d41a5a5fcefefe64283a88f9 (diff) | |
| download | edk2-platforms-ecde59b2ddef1c0f262d69d533b24f2c2325fd69.tar.xz | |
MdePkg: Add RO memory and resource HOB attribute definitions.
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@17396 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Pi')
| -rw-r--r-- | MdePkg/Include/Pi/PiHob.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/MdePkg/Include/Pi/PiHob.h b/MdePkg/Include/Pi/PiHob.h index fc523e1e8b..b24f95149b 100644 --- a/MdePkg/Include/Pi/PiHob.h +++ b/MdePkg/Include/Pi/PiHob.h @@ -255,6 +255,13 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE; #define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002
#define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004
#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080
+//
+// This is typically used as memory cacheability attribute today.
+// NOTE: Since PI spec 1.4, please use EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED
+// as Physical write protected attribute, and EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED
+// means Memory cacheability attribute: The memory supports being programmed with
+// a writeprotected cacheable attribute.
+//
#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100
#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200
#define EFI_RESOURCE_ATTRIBUTE_PERSISTENT 0x00800000
@@ -274,10 +281,20 @@ typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE; #define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000
#define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000
#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE 0x00100000
+//
+// This is typically used as memory cacheability attribute today.
+// NOTE: Since PI spec 1.4, please use EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE
+// as Memory capability attribute: The memory supports being protected from processor
+// writes, and EFI_RESOURCE_ATTRIBUTE_WRITE_PROTEC TABLE means Memory cacheability attribute:
+// The memory supports being programmed with a writeprotected cacheable attribute.
+//
#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE 0x00200000
#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE 0x00400000
#define EFI_RESOURCE_ATTRIBUTE_PERSISTABLE 0x01000000
+#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED 0x00040000
+#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE 0x00800000
+
///
/// Describes the resource properties of all fixed,
/// nonrelocatable resource ranges found on the processor
|