Add check for gMaximumBasicFunction in CpuidVersionInfo () back.
Cc: Qiu Shumin <[email protected]>
Cc: Michael Kinney <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <[email protected]>
---
UefiCpuPkg/Application/Cpuid/Cpuid.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/UefiCpuPkg/Application/Cpuid/Cpuid.c
b/UefiCpuPkg/Application/Cpuid/Cpuid.c
index 371df66..f5268cd 100644
--- a/UefiCpuPkg/Application/Cpuid/Cpuid.c
+++ b/UefiCpuPkg/Application/Cpuid/Cpuid.c
@@ -213,6 +213,10 @@ CpuidVersionInfo (
UINT32 DisplayFamily;
UINT32 DisplayModel;
+ if (CPUID_VERSION_INFO > gMaximumBasicFunction) {
+ return;
+ }
+
AsmCpuid (CPUID_VERSION_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32,
&Edx.Uint32);
Print (L"CPUID_VERSION_INFO (Leaf %08x)\n", CPUID_VERSION_INFO);
--
1.9.5.msysgit.0
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