diff options
Diffstat (limited to 'src/syscall/asm_linux_mips64x.s')
| -rw-r--r-- | src/syscall/asm_linux_mips64x.s | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_mips64x.s b/src/syscall/asm_linux_mips64x.s new file mode 100644 index 0000000..6c7a6bc --- /dev/null +++ b/src/syscall/asm_linux_mips64x.s @@ -0,0 +1,45 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build linux && (mips64 || mips64le) + +#include "textflag.h" + +// +// System calls for mips64, Linux +// + +// func rawVforkSyscall(trap, a1, a2 uintptr) (r1, err uintptr) +TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-40 + MOVV a1+8(FP), R4 + MOVV a2+16(FP), R5 + MOVV R0, R6 + MOVV R0, R7 + MOVV R0, R8 + MOVV R0, R9 + MOVV trap+0(FP), R2 // syscall entry + SYSCALL + BEQ R7, ok + MOVV $-1, R1 + MOVV R1, r1+24(FP) // r1 + MOVV R2, err+32(FP) // errno + RET +ok: + MOVV R2, r1+24(FP) // r1 + MOVV R0, err+32(FP) // errno + RET + +TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48 + MOVV a1+8(FP), R4 + MOVV a2+16(FP), R5 + MOVV a3+24(FP), R6 + MOVV R0, R7 + MOVV R0, R8 + MOVV R0, R9 + MOVV trap+0(FP), R2 // syscall entry + MOVV R0, R3 // reset R3 to zero as 1-ret SYSCALL keeps it + SYSCALL + MOVV R2, r1+32(FP) // r1 + MOVV R3, r2+40(FP) // r2 + RET |