25 lines
644 B
ArmAsm
25 lines
644 B
ArmAsm
// Copyright 2017 Intel Corporation.
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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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#include "textflag.h"
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// func cpuid_low(arg1, arg2 uint32) (eax, ebx, ecx, edx uint32)
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TEXT ·cpuid_low(SB),NOSPLIT,$0-24
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MOVL arg1+0(FP), AX
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MOVL arg2+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_low(arg1 uint32) (eax, edx uint32)
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TEXT ·xgetbv_low(SB),NOSPLIT,$0-16
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MOVL arg1+0(FP), CX
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BYTE $0x0F
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BYTE $0x01
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BYTE $0xD0
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MOVL AX,eax+8(FP)
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MOVL DX,edx+12(FP)
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RET
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