1/*	$NetBSD: netbsd32_machdep.h,v 1.7 2021/05/23 23:24:45 mrg Exp $	*/
2
3/*-
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matt Thomas <matt@3am-software.com>.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _MACHINE_NETBSD32_H_
33#define	_MACHINE_NETBSD32_H_
34
35#include <sys/types.h>
36
37/*
38 * On MIPS, pointers are signed.
39 */
40#define	NETBSD32_POINTER_TYPE			int32_t
41typedef struct { NETBSD32_POINTER_TYPE i32; }	netbsd32_pointer_t;
42
43#define	NETBSD32_INT64_ALIGN
44
45typedef netbsd32_pointer_t			netbsd32_sigcontextp_t;
46
47/* Support varying ABI names for netbsd32/ABI */
48extern const char machine_archo32[];
49#if defined(__mips_n64)
50extern const char machine_archn32[];
51#define	PROC_MACHINE_ARCH32(P)	((P)->p_md.md_abi == _MIPS_BSD_API_O32) ? \
52	__UNCONST(machine_archo32) : ((P)->p_md.md_abi == _MIPS_BSD_API_N32) ? \
53	__UNCONST(machine_archn32) : machine_arch
54#else
55#define	PROC_MACHINE_ARCH32(P)	((P)->p_md.md_abi == _MIPS_BSD_API_O32) ? \
56	__UNCONST(machine_archo32) : machine_arch
57#endif
58
59/*
60 * The sigcode is ABI neutral.
61 */
62#define	netbsd32_sigcode			sigcode
63#define	netbsd32_esigcode			esigcode
64
65/*
66 * Note: syscall_intern and setregs do not care about COMPAT_NETBSD32.
67 */
68#define	netbsd32_syscall_intern			syscall_intern
69#define	netbsd32_setregs			setregs
70
71/* <mips/sysarch.h> */
72struct mips_cacheflush_args32 {
73	netbsd32_intptr_t va;
74	netbsd32_size_t nbytes;
75	int whichcache;
76};
77
78struct mips_cachectl_args32 {
79	netbsd32_intptr_t va;
80	netbsd32_size_t nbytes;
81	int ctl;
82};
83
84#endif /* _MACHINE_NETBSD32_H_ */
85