netbsd32_machdep.c revision 1.8 
1/*-
2 * Copyright (c) 2012 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Matt Thomas of 3am Software Foundry.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31
32__KERNEL_RCSID(1, "$NetBSD: netbsd32_machdep.c,v 1.8 2019/01/27 02:08:37 pgoyette Exp $");
33
34#ifdef _KERNEL_OPT
35#include "opt_compat_netbsd.h"
36#include "opt_compat_netbsd32.h"
37#include "opt_coredump.h"
38#endif
39
40#include <sys/param.h>
41#include <sys/core.h>
42#include <sys/exec.h>
43#include <sys/lwp.h>
44#include <sys/signalvar.h>
45#include <sys/syscallargs.h>
46
47#include <uvm/uvm_extern.h>
48
49#include <compat/netbsd32/netbsd32.h>
50#include <compat/netbsd32/netbsd32_exec.h>
51#include <compat/netbsd32/netbsd32_syscallargs.h>
52
53const char machine32[] = MACHINE;
54const char machine_arch32[] = MACHINE_ARCH;
55
56int
57cpu_coredump32(struct lwp *l, struct coredump_iostate *iocookie,
58    struct core32 *chdr)
59{
60	return cpu_coredump(l, iocookie, (struct core *)chdr);
61}
62
63void
64netbsd32_sendsig (const ksiginfo_t *ksi, const sigset_t *ss)
65{
66	sendsig(ksi, ss);
67}
68
69void
70startlwp32(void *arg)
71{
72	startlwp(arg);
73}
74
75int
76cpu_mcontext32_validate(struct lwp *l, const mcontext32_t *mcp)
77{
78	return cpu_mcontext_validate(l, mcp);
79}
80void
81cpu_getmcontext32(struct lwp *l, mcontext32_t *mcp, unsigned int *flagsp)
82{
83	cpu_getmcontext(l, mcp, flagsp);
84}
85
86int
87cpu_setmcontext32(struct lwp *l, const mcontext32_t *mcp, unsigned int flags)
88{
89	return cpu_setmcontext(l, mcp, flags);
90}
91
92int
93netbsd32_sysarch(struct lwp *l, const struct netbsd32_sysarch_args *uap,
94	register_t *retval)
95{
96	return sys_sysarch(l, (const struct sys_sysarch_args *)uap, retval);
97}
98
99vaddr_t
100netbsd32_vm_default_addr(struct proc *p, vaddr_t base, vsize_t sz,
101    int topdown)
102{
103	if (topdown)
104		return VM_DEFAULT_ADDRESS_TOPDOWN(base, sz);
105	else
106		return VM_DEFAULT_ADDRESS_BOTTOMUP(base, sz);
107}
108
109void
110netbsd32_machdep_md_init(void)
111{
112
113	/* nothing to do */
114}
115
116void
117netbsd32_machdep_md_fini(void)
118{
119
120	/* nothing to do */
121}
122
123