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// 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.
// +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
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