diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/CpuId.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/CpuId.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/CpuId.c b/MdePkg/Library/BaseLib/Ia32/CpuId.c index 9745ae21d4..cbd0b9a57b 100644 --- a/MdePkg/Library/BaseLib/Ia32/CpuId.c +++ b/MdePkg/Library/BaseLib/Ia32/CpuId.c @@ -25,13 +25,13 @@ @param Index The 32-bit value to load into EAX prior to invoking the CPUID
instruction.
- @param RegisterEax Pointer to the 32-bit EAX value returned by the CPUID
+ @param Eax Pointer to the 32-bit EAX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
- @param RegisterEbx Pointer to the 32-bit EBX value returned by the CPUID
+ @param Ebx Pointer to the 32-bit EBX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
- @param RegisterEcx Pointer to the 32-bit ECX value returned by the CPUID
+ @param Ecx Pointer to the 32-bit ECX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
- @param RegisterEdx Pointer to the 32-bit EDX value returned by the CPUID
+ @param Edx Pointer to the 32-bit EDX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
@return Index
@@ -41,30 +41,30 @@ UINT32 EFIAPI
AsmCpuid (
IN UINT32 Index,
- OUT UINT32 *RegisterEax, OPTIONAL
- OUT UINT32 *RegisterEbx, OPTIONAL
- OUT UINT32 *RegisterEcx, OPTIONAL
- OUT UINT32 *RegisterEdx OPTIONAL
+ OUT UINT32 *Eax, OPTIONAL
+ OUT UINT32 *Ebx, OPTIONAL
+ OUT UINT32 *Ecx, OPTIONAL
+ OUT UINT32 *Edx OPTIONAL
)
{
_asm {
mov eax, Index
cpuid
push ecx
- mov ecx, RegisterEax
+ mov ecx, Eax
jecxz SkipEax
mov [ecx], eax
SkipEax:
- mov ecx, RegisterEbx
+ mov ecx, Ebx
jecxz SkipEbx
mov [ecx], ebx
SkipEbx:
pop eax
- mov ecx, RegisterEcx
+ mov ecx, Ecx
jecxz SkipEcx
mov [ecx], eax
SkipEcx:
- mov ecx, RegisterEdx
+ mov ecx, Edx
jecxz SkipEdx
mov [ecx], edx
SkipEdx:
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