diff options
Diffstat (limited to 'src/syscall/asm_linux_ppc64x.s')
| -rw-r--r-- | src/syscall/asm_linux_ppc64x.s | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/syscall/asm_linux_ppc64x.s b/src/syscall/asm_linux_ppc64x.s new file mode 100644 index 0000000..eac7272 --- /dev/null +++ b/src/syscall/asm_linux_ppc64x.s @@ -0,0 +1,137 @@ +// 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 && (ppc64 || ppc64le) +// +build linux +// +build ppc64 ppc64le + +#include "textflag.h" + +// +// System calls for ppc64, Linux +// + +// func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64); +TEXT ·Syscall(SB),NOSPLIT,$0-56 + BL runtime·entersyscall(SB) + MOVD a1+8(FP), R3 + MOVD a2+16(FP), R4 + MOVD a3+24(FP), R5 + MOVD R0, R6 + MOVD R0, R7 + MOVD R0, R8 + MOVD trap+0(FP), R9 // syscall entry + SYSCALL R9 + BVC ok + MOVD $-1, R4 + MOVD R4, r1+32(FP) // r1 + MOVD R0, r2+40(FP) // r2 + MOVD R3, err+48(FP) // errno + BL runtime·exitsyscall(SB) + RET +ok: + MOVD R3, r1+32(FP) // r1 + MOVD R4, r2+40(FP) // r2 + MOVD R0, err+48(FP) // errno + BL runtime·exitsyscall(SB) + RET + +TEXT ·Syscall6(SB),NOSPLIT,$0-80 + BL runtime·entersyscall(SB) + MOVD a1+8(FP), R3 + MOVD a2+16(FP), R4 + MOVD a3+24(FP), R5 + MOVD a4+32(FP), R6 + MOVD a5+40(FP), R7 + MOVD a6+48(FP), R8 + MOVD trap+0(FP), R9 // syscall entry + SYSCALL R9 + BVC ok6 + MOVD $-1, R4 + MOVD R4, r1+56(FP) // r1 + MOVD R0, r2+64(FP) // r2 + MOVD R3, err+72(FP) // errno + BL runtime·exitsyscall(SB) + RET +ok6: + MOVD R3, r1+56(FP) // r1 + MOVD R4, r2+64(FP) // r2 + MOVD R0, err+72(FP) // errno + BL runtime·exitsyscall(SB) + RET + +TEXT ·RawSyscall(SB),NOSPLIT,$0-56 + MOVD a1+8(FP), R3 + MOVD a2+16(FP), R4 + MOVD a3+24(FP), R5 + MOVD R0, R6 + MOVD R0, R7 + MOVD R0, R8 + MOVD trap+0(FP), R9 // syscall entry + SYSCALL R9 + BVC ok1 + MOVD $-1, R4 + MOVD R4, r1+32(FP) // r1 + MOVD R0, r2+40(FP) // r2 + MOVD R3, err+48(FP) // errno + RET +ok1: + MOVD R3, r1+32(FP) // r1 + MOVD R4, r2+40(FP) // r2 + MOVD R0, err+48(FP) // errno + RET + +TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 + MOVD a1+8(FP), R3 + MOVD a2+16(FP), R4 + MOVD a3+24(FP), R5 + MOVD a4+32(FP), R6 + MOVD a5+40(FP), R7 + MOVD a6+48(FP), R8 + MOVD trap+0(FP), R9 // syscall entry + SYSCALL R9 + BVC ok2 + MOVD $-1, R4 + MOVD R4, r1+56(FP) // r1 + MOVD R0, r2+64(FP) // r2 + MOVD R3, err+72(FP) // errno + RET +ok2: + MOVD R3, r1+56(FP) // r1 + MOVD R4, r2+64(FP) // r2 + MOVD R0, err+72(FP) // errno + RET + +// func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr) +TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-32 + MOVD a1+8(FP), R3 + MOVD R0, R4 + MOVD R0, R5 + MOVD R0, R6 + MOVD R0, R7 + MOVD R0, R8 + MOVD trap+0(FP), R9 // syscall entry + SYSCALL R9 + BVC ok + MOVD $-1, R4 + MOVD R4, r1+16(FP) // r1 + MOVD R3, err+24(FP) // errno + RET +ok: + MOVD R3, r1+16(FP) // r1 + MOVD R0, err+24(FP) // errno + RET + +TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48 + MOVD a1+8(FP), R3 + MOVD a2+16(FP), R4 + MOVD a3+24(FP), R5 + MOVD R0, R6 + MOVD R0, R7 + MOVD R0, R8 + MOVD trap+0(FP), R9 // syscall entry + SYSCALL R9 + MOVD R3, r1+32(FP) + MOVD R4, r2+40(FP) + RET |