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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
commit | 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch) | |
tree | a61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/syscall/asm_linux_mips64x.s | |
parent | Initial commit. (diff) | |
download | golang-1.18-47ab3d4a42e9ab51c465c4322d2ec233f6324e6b.tar.xz golang-1.18-47ab3d4a42e9ab51c465c4322d2ec233f6324e6b.zip |
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/syscall/asm_linux_mips64x.s')
-rw-r--r-- | src/syscall/asm_linux_mips64x.s | 135 |
1 files changed, 135 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..a75d0f7 --- /dev/null +++ b/src/syscall/asm_linux_mips64x.s @@ -0,0 +1,135 @@ +// 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 |