]> git.proxmox.com Git - mirror_edk2.git/commitdiff
QuarkSocPkg MtrrLib: Enhance get mtrr mask logic.
authorEric Dong <eric.dong@intel.com>
Wed, 2 Aug 2017 10:26:43 +0000 (18:26 +0800)
committerEric Dong <eric.dong@intel.com>
Mon, 7 Aug 2017 07:28:12 +0000 (15:28 +0800)
In order to not use the deprecated macro, refine
get mtrr mask value logic.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
QuarkSocPkg/QuarkNorthCluster/Library/MtrrLib/MtrrLib.c

index 58d8c0d4c4e6360d27cf0705801bd602e077737b..27604275546416c8186f79316b0f1a0d65aaa864 100644 (file)
@@ -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