1/*-
2 * Copyright (c) 2014 Andrew Turner
3 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
4 * All rights reserved.
5 *
6 * Portions of this software were developed by SRI International and the
7 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
8 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
9 *
10 * Portions of this software were developed by the University of Cambridge
11 * Computer Laboratory as part of the CTSRD Project, with support from the
12 * UK Higher Education Innovation Fund (HEIF).
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 *    notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * $FreeBSD$
36 */
37
38#include <sys/syscall.h>
39#include <machine/asm.h>
40
41#define	_SYSCALL(name)						\
42	li	t0, SYS_ ## name;				\
43	ecall
44
45#define	SYSCALL(name)						\
46ENTRY(__sys_##name);						\
47	WEAK_REFERENCE(__sys_##name, name);			\
48	WEAK_REFERENCE(__sys_##name, _##name);			\
49	_SYSCALL(name);						\
50	ret;							\
51END(__sys_##name)
52
53#define	PSEUDO(name)						\
54ENTRY(__sys_##name);						\
55	WEAK_REFERENCE(__sys_##name, _##name);			\
56	_SYSCALL(name);						\
57	bnez	t0, cerror; 					\
58	ret;							\
59END(__sys_##name)
60
61#define	RSYSCALL(name)						\
62ENTRY(__sys_##name);						\
63	WEAK_REFERENCE(__sys_##name, name);			\
64	WEAK_REFERENCE(__sys_##name, _##name);			\
65	_SYSCALL(name);						\
66	bnez	t0, cerror; 					\
67	ret;							\
68END(__sys_##name)
69