mirror of
https://github.com/go-gitea/gitea
synced 2024-12-22 04:34:02 +01:00
43 lines
967 B
ArmAsm
43 lines
967 B
ArmAsm
|
// Copyright (c) 2015 Klaus Post, released under MIT License. See LICENSE file.
|
||
|
|
|
||
|
|
//+build amd64,!gccgo,!noasm,!appengine
|
||
|
|
|
||
|
|
// func asmCpuid(op uint32) (eax, ebx, ecx, edx uint32)
|
||
|
|
TEXT ·asmCpuid(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 asmCpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32)
|
||
|
|
TEXT ·asmCpuidex(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 asmXgetbv(index uint32) (eax, edx uint32)
|
||
|
|
TEXT ·asmXgetbv(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
|
||
|
|
|
||
|
|
// func asmRdtscpAsm() (eax, ebx, ecx, edx uint32)
|
||
|
|
TEXT ·asmRdtscpAsm(SB), 7, $0
|
||
|
|
BYTE $0x0F; BYTE $0x01; BYTE $0xF9 // RDTSCP
|
||
|
|
MOVL AX, eax+0(FP)
|
||
|
|
MOVL BX, ebx+4(FP)
|
||
|
|
MOVL CX, ecx+8(FP)
|
||
|
|
MOVL DX, edx+12(FP)
|
||
|
|
RET
|