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UefiCpuPkg/Application/Cpuid: Add check for gMaximumBasicFunction 

Add check for gMaximumBasicFunction in CpuidVersionInfo () back.

Cc: Qiu Shumin <shumin.qiu@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
This commit is contained in:
Jeff Fan 2016-03-09 10:05:30 +08:00
parent 231ad7d866
commit 321ef72c92
1 changed files with 4 additions and 0 deletions
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4
UefiCpuPkg/Application/Cpuid/Cpuid.c
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@ -213,6 +213,10 @@ CpuidVersionInfo (
UINT32 DisplayFamily; UINT32 DisplayFamily;
UINT32 DisplayModel; UINT32 DisplayModel;
if (CPUID_VERSION_INFO > gMaximumBasicFunction) {
return;
}
AsmCpuid (CPUID_VERSION_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); AsmCpuid (CPUID_VERSION_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
Print (L"CPUID_VERSION_INFO (Leaf %08x)\n", CPUID_VERSION_INFO); Print (L"CPUID_VERSION_INFO (Leaf %08x)\n", CPUID_VERSION_INFO);