[edk2-devel] [PATCH] UefiCpuPkg/SmmCpuFeaturesLib: Add Tiger Lake support

Guo Dong guo.dong at intel.com
Wed Dec 2 21:45:43 UTC 2020


Add Tiger Lake ModelId support in the SMM CPU feature lib.

Signed-off-by: Guo Dong <guo.dong at intel.com>
---
 UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c
index a00786a8eb..8fed18cf0e 100644
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c
+++ b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c
@@ -292,7 +292,8 @@ SmmCpuFeaturesInitializeProcessor (
   if (FamilyId == 0x06) {
     if (ModelId == 0x3C || ModelId == 0x45 || ModelId == 0x46 ||
         ModelId == 0x3D || ModelId == 0x47 || ModelId == 0x4E || ModelId == 0x4F ||
-        ModelId == 0x3F || ModelId == 0x56 || ModelId == 0x57 || ModelId == 0x5C) {
+        ModelId == 0x3F || ModelId == 0x56 || ModelId == 0x57 || ModelId == 0x5C ||
+        ModelId == 0x8C) {
       //
       // Check to see if the CPU supports the SMM Code Access Check feature
       // Do not access this MSR unless the CPU supports the SmmRegFeatureControl
-- 
2.16.2.windows.1



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