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- // The MIT License (MIT)
- //
- // Copyright (c) 2015 Klaus Post
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy
- // of this software and associated documentation files (the "Software"), to deal
- // in the Software without restriction, including without limitation the rights
- // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- // copies of the Software, and to permit persons to whom the Software is
- // furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in all
- // copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- // SOFTWARE.
- // +build amd64,!gccgo
- // func cpuid(op uint32) (eax, ebx, ecx, edx uint32)
- TEXT ·cpuid(SB), 7, $0
- XORQ CX, CX
- MOVL op+0(FP), AX
- CPUID
- MOVL AX, eax+8(FP)
- MOVL BX, ebx+12(FP)
- MOVL CX, ecx+16(FP)
- MOVL DX, edx+20(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+8(FP)
- MOVL DX, edx+12(FP)
- RET
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