netbsd32_machdep.c revision 1.7 
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 1.7 2015/11/26 13:15:34 martin Exp $");
33
34#include "opt_compat_netbsd.h"
35
36#include <sys/param.h>
37#include <sys/core.h>
38#include <sys/exec.h>
39#include <sys/lwp.h>
40#include <sys/signalvar.h>
41#include <sys/syscallargs.h>
42
43#include <uvm/uvm_extern.h>
44
45#include <compat/netbsd32/netbsd32.h>
46#include <compat/netbsd32/netbsd32_exec.h>
47#include <compat/netbsd32/netbsd32_syscallargs.h>
48
49const char machine32[] = MACHINE;
50const char machine_arch32[] = MACHINE_ARCH;
51
52int
53cpu_coredump32(struct lwp *l, struct coredump_iostate *iocookie,
54    struct core32 *chdr)
55{
56	return cpu_coredump(l, iocookie, (struct core *)chdr);
57}
58
59void
60netbsd32_sendsig (const ksiginfo_t *ksi, const sigset_t *ss)
61{
62	sendsig(ksi, ss);
63}
64
65void
66startlwp32(void *arg)
67{
68	startlwp(arg);
69}
70
71int
72cpu_mcontext32_validate(struct lwp *l, const mcontext32_t *mcp)
73{
74	return cpu_mcontext_validate(l, mcp);
75}
76void
77cpu_getmcontext32(struct lwp *l, mcontext32_t *mcp, unsigned int *flagsp)
78{
79	cpu_getmcontext(l, mcp, flagsp);
80}
81
82int
83cpu_setmcontext32(struct lwp *l, const mcontext32_t *mcp, unsigned int flags)
84{
85	return cpu_setmcontext(l, mcp, flags);
86}
87
88int
89netbsd32_sysarch(struct lwp *l, const struct netbsd32_sysarch_args *uap,
90	register_t *retval)
91{
92	return sys_sysarch(l, (const struct sys_sysarch_args *)uap, retval);
93}
94
95vaddr_t
96netbsd32_vm_default_addr(struct proc *p, vaddr_t base, vsize_t sz,
97    int topdown)
98{
99	if (topdown)
100		return VM_DEFAULT_ADDRESS_TOPDOWN(base, sz);
101	else
102		return VM_DEFAULT_ADDRESS_BOTTOMUP(base, sz);
103}
104
105
106#ifdef COMPAT_13
107int
108compat_13_netbsd32_sigreturn(struct lwp *l,
109	const struct compat_13_netbsd32_sigreturn_args *uap,
110	register_t *retval)
111{
112	struct compat_13_sys_sigreturn_args ua;
113
114	NETBSD32TOP_UAP(sigcntxp, struct sigcontext13 *);
115
116	return compat_13_sys_sigreturn(l, &ua, retval);
117}
118#endif
119
120#ifdef COMPAT_16
121int
122compat_16_netbsd32___sigreturn14(struct lwp *l,
123	const struct compat_16_netbsd32___sigreturn14_args *uap,
124	register_t *retval)
125{
126	struct compat_16_sys___sigreturn14_args ua;
127
128	NETBSD32TOP_UAP(sigcntxp, struct sigcontext *);
129
130	return compat_16_sys___sigreturn14(l, &ua, retval);
131}
132#endif
133