Re: [PATCH v1] ArmPkg/Smbios: Fix max cache size 2 wrong issue


Rebecca Cran
 

Reviewed-by: Rebecca Cran <rebecca@nuviainc.com>

On 10/14/21 1:23 AM, Ming Huang wrote:
As SMBIOS spec, bit-31 of maximum cache size 2 should be 1
for 64K granularity.

Signed-off-by: Ming Huang <huangming@linux.alibaba.com>
---
ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
index fb484086a4..4b409ff745 100644
--- a/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
+++ b/ArmPkg/Universal/Smbios/ProcessorSubClassDxe/ProcessorSubClass.c
@@ -219,7 +219,7 @@ ConfigureCacheArchitectureInformation (
CacheSize32 = CacheSize16;
} else if ((CacheSize64 / 64) < MAX_INT16) {
CacheSize16 = (1 << 15) | (CacheSize64 / 64);
- CacheSize32 = CacheSize16;
+ CacheSize32 = (1 << 31) | (CacheSize64 / 64);
} else {
if ((CacheSize64 / 1024) <= 2047) {
CacheSize32 = CacheSize64;

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