2020-02-12 19:19:23 +01:00
|
|
|
// Copyright 2018 The Go Authors. All rights reserved.
|
|
|
|
|
// Use of this source code is governed by a BSD-style
|
|
|
|
|
// license that can be found in the LICENSE file.
|
|
|
|
|
|
2021-11-17 00:18:03 +01:00
|
|
|
//go:build (386 || amd64 || amd64p32) && gc
|
2020-02-12 19:19:23 +01:00
|
|
|
|
|
|
|
|
#include "textflag.h"
|
|
|
|
|
|
|
|
|
|
// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
|
|
|
|
|
TEXT ·cpuid(SB), NOSPLIT, $0-24
|
|
|
|
|
MOVL eaxArg+0(FP), AX
|
|
|
|
|
MOVL ecxArg+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() (eax, edx uint32)
|
|
|
|
|
TEXT ·xgetbv(SB),NOSPLIT,$0-8
|
|
|
|
|
MOVL $0, CX
|
|
|
|
|
XGETBV
|
|
|
|
|
MOVL AX, eax+0(FP)
|
|
|
|
|
MOVL DX, edx+4(FP)
|
|
|
|
|
RET
|
