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28 lines
642 B
28 lines
642 B
// Copyright 2018 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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//go:build (386 || amd64 || amd64p32) && gc |
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// +build 386 amd64 amd64p32 |
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// +build gc |
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#include "textflag.h" |
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// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) |
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TEXT ·cpuid(SB), NOSPLIT, $0-24 |
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MOVL eaxArg+0(FP), AX |
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MOVL ecxArg+4(FP), CX |
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CPUID |
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MOVL AX, eax+8(FP) |
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MOVL BX, ebx+12(FP) |
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MOVL CX, ecx+16(FP) |
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MOVL DX, edx+20(FP) |
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RET |
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// func xgetbv() (eax, edx uint32) |
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TEXT ·xgetbv(SB),NOSPLIT,$0-8 |
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MOVL $0, CX |
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XGETBV |
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MOVL AX, eax+0(FP) |
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MOVL DX, edx+4(FP) |
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RET
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