34 lines
860 B
ArmAsm
34 lines
860 B
ArmAsm
|
// Copyright (c) 2015 Klaus Post, released under MIT License. See LICENSE file.
|
||
|
|
|
||
|
|
// +build 386,!gccgo
|
||
|
|
|
||
|
|
// func cpuid(op uint32) (eax, ebx, ecx, edx uint32)
|
||
|
|
TEXT ·cpuid(SB), 7, $0
|
||
|
|
XORL CX, CX
|
||
|
|
MOVL op+0(FP), AX
|
||
|
|
CPUID
|
||
|
|
MOVL AX, eax+4(FP)
|
||
|
|
MOVL BX, ebx+8(FP)
|
||
|
|
MOVL CX, ecx+12(FP)
|
||
|
|
MOVL DX, edx+16(FP)
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32)
|
||
|
|
TEXT ·cpuidex(SB), 7, $0
|
||
|
|
MOVL op+0(FP), AX
|
||
|
|
MOVL op2+4(FP), CX
|
||
|
|
CPUID
|
||
|
|
MOVL AX, eax+8(FP)
|
||
|
|
MOVL BX, ebx+12(FP)
|
||
|
|
MOVL CX, ecx+16(FP)
|
||
|
|
MOVL DX, edx+20(FP)
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func xgetbv(index uint32) (eax, edx uint32)
|
||
|
|
TEXT ·xgetbv(SB), 7, $0
|
||
|
|
MOVL index+0(FP), CX
|
||
|
|
BYTE $0x0f; BYTE $0x01; BYTE $0xd0 // XGETBV
|
||
|
|
MOVL AX, eax+4(FP)
|
||
|
|
MOVL DX, edx+8(FP)
|
||
|
|
RET
|