UefiCpuPkg/CpuCacheInfoLib: Correct logical for identifying cache type

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3265

Correct the logical for identifying "Direct mapped" cache type.

Signed-off-by: Jason Lou <yun.lou@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>

diff --git a/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c b/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
index ae81ea9ce24d9ef923021bd48d25f0122b83591d..c0077d677000443652d23c31db8d146b09229e5b 100644 (file)
--- a/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
+++ b/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
@@ -237,7 +237,7 @@ CpuCacheInfoCollectCoreAndCacheData (
     CacheData[CacheParamLeafIndex].CacheType             = (UINT8)CacheParamEax.Bits.CacheType;\r
     CacheData[CacheParamLeafIndex].CacheWays             = (UINT16)CacheParamEbx.Bits.Ways;\r
     CacheData[CacheParamLeafIndex].FullyAssociativeCache = (UINT8)CacheParamEax.Bits.FullyAssociativeCache;\r
-    CacheData[CacheParamLeafIndex].DirectMappedCache     = (UINT8)CacheParamEdx.Bits.ComplexCacheIndexing;\r
+    CacheData[CacheParamLeafIndex].DirectMappedCache     = (UINT8)(CacheParamEdx.Bits.ComplexCacheIndexing == 0);\r
     CacheData[CacheParamLeafIndex].CacheShareBits        = (UINT16)CacheParamEax.Bits.MaximumAddressableIdsForLogicalProcessors;\r
     CacheData[CacheParamLeafIndex].CacheSizeinKB         = (CacheParamEbx.Bits.Ways + 1) *\r
         (CacheParamEbx.Bits.LinePartitions + 1) * (CacheParamEbx.Bits.LineSize + 1) * (CacheParamEcx + 1) / SIZE_1KB;\r