MdePkg/Library/BaseLib/Ipf/ReadCpuid.s File Reference
Detailed Description
IPF specific
AsmReadCpuid()function
Copyright (c) 2006, Intel Corporation. All rights reserved.
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Module Name: ReadCpuid.s
AsmReadCpuid
This routine is used to Reads the current value of Processor Identifier Register (CPUID).
Arguments :
On Entry : The 8-bit Processor Identifier Register index to read.
Return Value: The current value of Processor Identifier Register specified by Index.
.text
.type AsmReadCpuid,
.proc AsmReadCpuid
.regstk 1, 0, 0, 0
AsmReadCpuid::
mov r8 = cpuid[in0];;
br.ret.dpnt b0;;
.endp AsmReadCpuid