netbsd32_machdep.c revision 1.10 
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 1.10 2020/06/20 07:01:16 skrll Exp $");
33
34#ifdef _KERNEL_OPT
35#include "opt_compat_netbsd.h"
36#include "opt_compat_netbsd32.h"
37#endif
38
39#include <sys/param.h>
40#include <sys/core.h>
41#include <sys/exec.h>
42#include <sys/lwp.h>
43#include <sys/signalvar.h>
44#include <sys/syscallargs.h>
45
46#include <uvm/uvm_extern.h>
47
48#include <compat/netbsd32/netbsd32.h>
49#include <compat/netbsd32/netbsd32_exec.h>
50#include <compat/netbsd32/netbsd32_syscallargs.h>
51
52const char machine32[] = MACHINE;
53const char machine_arch32[] = MACHINE_ARCH;
54
55int
56cpu_coredump32(struct lwp *l, struct coredump_iostate *iocookie,
57    struct core32 *chdr)
58{
59	return cpu_coredump(l, iocookie, (struct core *)chdr);
60}
61
62void
63netbsd32_sendsig (const ksiginfo_t *ksi, const sigset_t *ss)
64{
65	sendsig(ksi, ss);
66}
67
68void
69startlwp32(void *arg)
70{
71	startlwp(arg);
72}
73
74int
75cpu_mcontext32_validate(struct lwp *l, const mcontext32_t *mcp)
76{
77	return cpu_mcontext_validate(l, mcp);
78}
79void
80cpu_getmcontext32(struct lwp *l, mcontext32_t *mcp, unsigned int *flagsp)
81{
82	cpu_getmcontext(l, mcp, flagsp);
83}
84
85int
86cpu_setmcontext32(struct lwp *l, const mcontext32_t *mcp, unsigned int flags)
87{
88	return cpu_setmcontext(l, mcp, flags);
89}
90
91int
92netbsd32_sysarch(struct lwp *l, const struct netbsd32_sysarch_args *uap,
93	register_t *retval)
94{
95	return sys_sysarch(l, (const struct sys_sysarch_args *)uap, retval);
96}
97
98vaddr_t
99netbsd32_vm_default_addr(struct proc *p, vaddr_t base, vsize_t sz,
100    int topdown)
101{
102	if (topdown)
103		return VM_DEFAULT_ADDRESS_TOPDOWN(base, sz);
104	else
105		return VM_DEFAULT_ADDRESS_BOTTOMUP(base, sz);
106}
107
108void
109netbsd32_machdep_md_init(void)
110{
111
112	/* nothing to do */
113}
114
115void
116netbsd32_machdep_md_fini(void)
117{
118
119	/* nothing to do */
120}
121
122