sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Code Scrub for MdePkg.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5567 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
yshang1
2008-07-25 12:21:57 +00:00
parent 0f82bd5514
commit 42eedea958
176 changed files with 1437 additions and 253 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
MdePkg/Library/BaseLib/Ia32/CpuIdEx.c
View File

@@ -17,6 +17,38 @@
//
/**
Retrieves CPUID information using an extended leaf identifier.
Executes the CPUID instruction with EAX set to the value specified by Index
and ECX set to the value specified by SubIndex. This function always returns
Index. This function is only available on IA-32 and x64.
If Eax is not NULL, then the value of EAX after CPUID is returned in Eax.
If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx.
If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx.
If Edx is not NULL, then the value of EDX after CPUID is returned in Edx.
@param Index The 32-bit value to load into EAX prior to invoking the
CPUID instruction.
@param SubIndex The 32-bit value to load into ECX prior to invoking the
CPUID instruction.
@param Eax Pointer to the 32-bit EAX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
@param Ebx Pointer to the 32-bit EBX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
@param Ecx Pointer to the 32-bit ECX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
@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
**/
UINT32
EFIAPI
AsmCpuidEx (