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54 lines
1.7 KiB
ArmAsm
54 lines
1.7 KiB
ArmAsm
// The MIT License (MIT)
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//
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// Copyright (c) 2015 Klaus Post
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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// +build 386,!gccgo
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// func cpuid(op uint32) (eax, ebx, ecx, edx uint32)
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TEXT ·cpuid(SB), 7, $0
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XORL CX, CX
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MOVL op+0(FP), AX
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CPUID
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MOVL AX, eax+4(FP)
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MOVL BX, ebx+8(FP)
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MOVL CX, ecx+12(FP)
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MOVL DX, edx+16(FP)
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RET
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// func cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32)
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TEXT ·cpuidex(SB), 7, $0
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MOVL op+0(FP), AX
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MOVL op2+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(index uint32) (eax, edx uint32)
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TEXT ·xgetbv(SB), 7, $0
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MOVL index+0(FP), CX
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BYTE $0x0f; BYTE $0x01; BYTE $0xd0 // XGETBV
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MOVL AX, eax+4(FP)
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MOVL DX, edx+8(FP)
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RET
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