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....@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Cc: Laszlo Ersek <ler...@redhat.com>
Cc: Rahul Kumar <rahul1.ku...@intel.com>
---
UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
b/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
index ae81ea9ce2..d66f0300ce 100644
--- a/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
+++ b/UefiCpuPkg/Library/CpuCacheInfoLib/CpuCacheInfoLib.c
@@ -237,7 +237,7 @@ CpuCacheInfoCollectCoreAndCacheData (
CacheData[CacheParamLeafIndex].CacheType =
(UINT8)CacheParamEax.Bits.CacheType;
CacheData[CacheParamLeafIndex].CacheWays =
(UINT16)CacheParamEbx.Bits.Ways;
CacheData[CacheParamLeafIndex].FullyAssociativeCache =
(UINT8)CacheParamEax.Bits.FullyAssociativeCache;
- CacheData[CacheParamLeafIndex].DirectMappedCache =
(UINT8)CacheParamEdx.Bits.ComplexCacheIndexing;
+ CacheData[CacheParamLeafIndex].DirectMappedCache =
(UINT8)(!CacheParamEdx.Bits.ComplexCacheIndexing);
CacheData[CacheParamLeafIndex].CacheShareBits =
(UINT16)CacheParamEax.Bits.MaximumAddressableIdsForLogicalProcessors;
CacheData[CacheParamLeafIndex].CacheSizeinKB =
(CacheParamEbx.Bits.Ways + 1) *
(CacheParamEbx.Bits.LinePartitions + 1) * (CacheParamEbx.Bits.LineSize
+ 1) * (CacheParamEcx + 1) / SIZE_1KB;
--
2.28.0.windows.1
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