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Sync function prototype of CpuId and CpuIdEx with MDE library specification. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6215 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24 2008-10-24 07:05:21 +00:00
parent 1fa524e97d
commit 610204a84c
2 changed files with 24 additions and 24 deletions
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24
MdePkg/Library/BaseLib/Ia32/CpuId.c
View File

@ -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:

24
MdePkg/Library/BaseLib/Ia32/CpuIdEx.c
View File

@ -28,16 +28,16 @@
CPUID instruction.
@param SubIndex The 32-bit value to load into ECX 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.
@ -49,10 +49,10 @@ EFIAPI
AsmCpuidEx (
IN UINT32 Index,
IN UINT32 SubIndex,
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 {
@ -60,20 +60,20 @@ AsmCpuidEx (
mov ecx, SubIndex
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: