blob: a75d0f7a2a24b5764d7a8ef070a2a5ec80066bff [file] [log] [blame]
// 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 Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64);
TEXT ·Syscall(SB),NOSPLIT,$0-56
JAL runtime·entersyscall(SB)
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
SYSCALL
BEQ R7, ok
MOVV $-1, R1
MOVV R1, r1+32(FP) // r1
MOVV R0, r2+40(FP) // r2
MOVV R2, err+48(FP) // errno
JAL runtime·exitsyscall(SB)
RET
ok:
MOVV R2, r1+32(FP) // r1
MOVV R3, r2+40(FP) // r2
MOVV R0, err+48(FP) // errno
JAL runtime·exitsyscall(SB)
RET
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JAL runtime·entersyscall(SB)
MOVV a1+8(FP), R4
MOVV a2+16(FP), R5
MOVV a3+24(FP), R6
MOVV a4+32(FP), R7
MOVV a5+40(FP), R8
MOVV a6+48(FP), R9
MOVV trap+0(FP), R2 // syscall entry
SYSCALL
BEQ R7, ok6
MOVV $-1, R1
MOVV R1, r1+56(FP) // r1
MOVV R0, r2+64(FP) // r2
MOVV R2, err+72(FP) // errno
JAL runtime·exitsyscall(SB)
RET
ok6:
MOVV R2, r1+56(FP) // r1
MOVV R3, r2+64(FP) // r2
MOVV R0, err+72(FP) // errno
JAL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
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
SYSCALL
BEQ R7, ok1
MOVV $-1, R1
MOVV R1, r1+32(FP) // r1
MOVV R0, r2+40(FP) // r2
MOVV R2, err+48(FP) // errno
RET
ok1:
MOVV R2, r1+32(FP) // r1
MOVV R3, r2+40(FP) // r2
MOVV R0, err+48(FP) // errno
RET
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
MOVV a1+8(FP), R4
MOVV a2+16(FP), R5
MOVV a3+24(FP), R6
MOVV a4+32(FP), R7
MOVV a5+40(FP), R8
MOVV a6+48(FP), R9
MOVV trap+0(FP), R2 // syscall entry
SYSCALL
BEQ R7, ok2
MOVV $-1, R1
MOVV R1, r1+56(FP) // r1
MOVV R0, r2+64(FP) // r2
MOVV R2, err+72(FP) // errno
RET
ok2:
MOVV R2, r1+56(FP) // r1
MOVV R3, r2+64(FP) // r2
MOVV R0, err+72(FP) // errno
RET
// func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr)
TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-32
MOVV a1+8(FP), R4
MOVV R0, 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+16(FP) // r1
MOVV R2, err+24(FP) // errno
RET
ok:
MOVV R2, r1+16(FP) // r1
MOVV R0, err+24(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
SYSCALL
MOVV R2, r1+32(FP)
MOVV R3, r2+40(FP)
RET