MdePkg/ArchitecturalMsr.h: add #defines for MTRR cache types

Signed-off-by: Gerd Hoffmann <[email protected]>
ellyq · Jun 26, 2024 · 5bef25d · 5bef25d
1 parent ce4c76e
commit 5bef25d
Showing 1 changed file with 7 additions and 0 deletions.
diff --git 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