[edk2-devel] [PATCH v3 2/4] MdePkg/ArchitecturalMsr.h: add #defines for MTRR cache types

["Gerd Hoffmann" <kraxel@redhat.com>]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 MdePkg/Include/Register/Intel/ArchitecturalMsr.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/MdePkg/Include/Register/Intel/ArchitecturalMsr.h b/MdePkg/Include/Register/Intel/ArchitecturalMsr.h
index 756e7c86ec31..2b2e34b08c8b 100644
--- a/MdePkg/Include/Register/Intel/ArchitecturalMsr.h
+++ b/MdePkg/Include/Register/Intel/ArchitecturalMsr.h
@@ -2103,6 +2103,13 @@ typedef union {
 #define MSR_IA32_MTRR_PHYSBASE9  0x00000212
 /// @}
 
+#define MSR_IA32_MTRR_CACHE_UNCACHEABLE      0
+#define MSR_IA32_MTRR_CACHE_WRITE_COMBINING  1
+#define MSR_IA32_MTRR_CACHE_WRITE_THROUGH    4
+#define MSR_IA32_MTRR_CACHE_WRITE_PROTECTED  5
+#define MSR_IA32_MTRR_CACHE_WRITE_BACK       6
+#define MSR_IA32_MTRR_CACHE_INVALID_TYPE     7
+
 /**
   MSR information returned for MSR indexes #MSR_IA32_MTRR_PHYSBASE0 to
   #MSR_IA32_MTRR_PHYSBASE9
-- 
2.43.0



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