aboutsummaryrefslogtreecommitdiff
path: root/src/syscall/asm_linux_mips64x.s
blob: d0b0e5a0a877adcb5084f56b67a9d1eafc3bbe6e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
// 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 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

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