QuarkSocPkg MtrrLib: Enhance get mtrr mask logic.

[mirror_edk2.git] / QuarkSocPkg / QuarkNorthCluster / Library / MtrrLib / MtrrLib.c

diff --git a/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c b/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c
index 58d8c0d4c4e6360d27cf0705801bd602e077737b..27604275546416c8186f79316b0f1a0d65aaa864 100644 (file)
--- a/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c
+++ b/QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c
@@ -1036,13 +1036,12 @@ MtrrLibInitializeMtrrMask (
     AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);\r
 \r
     PhysicalAddressBits = (UINT8) RegEax;\r
-\r
-    *MtrrValidBitsMask    = LShiftU64 (1, PhysicalAddressBits) - 1;\r
-    *MtrrValidAddressMask = *MtrrValidBitsMask & 0xfffffffffffff000ULL;\r
   } else {\r
-    *MtrrValidBitsMask    = MTRR_LIB_MSR_VALID_MASK;\r
-    *MtrrValidAddressMask = MTRR_LIB_CACHE_VALID_ADDRESS;\r
+    PhysicalAddressBits = 36;\r
   }\r
+\r
+  *MtrrValidBitsMask    = LShiftU64 (1, PhysicalAddressBits) - 1;\r
+  *MtrrValidAddressMask = *MtrrValidBitsMask & 0xfffffffffffff000ULL;\r
 }\r
 \r
 \r