netbsd32_machdep.c revision 1.4 
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 1.4 2014/01/26 00:21:18 christos Exp $");
33
34#include <sys/param.h>
35#include <sys/core.h>
36#include <sys/exec.h>
37#include <sys/lwp.h>
38#include <sys/signalvar.h>
39#include <sys/syscallargs.h>
40
41#include <uvm/uvm_extern.h>
42
43#include <compat/netbsd32/netbsd32.h>
44#include <compat/netbsd32/netbsd32_exec.h>
45#include <compat/netbsd32/netbsd32_syscallargs.h>
46
47const char machine32[] = MACHINE;
48const char machine_arch32[] = MACHINE_ARCH;
49
50int
51cpu_coredump32(struct lwp *l, struct coredump_iostate *iocookie,
52    struct core32 *chdr)
53{
54	return cpu_coredump(l, iocookie, (struct core *)chdr);
55}
56
57void
58netbsd32_sendsig (const ksiginfo_t *ksi, const sigset_t *ss)
59{
60	sendsig(ksi, ss);
61}
62
63void
64startlwp32(void *arg)
65{
66	startlwp(arg);
67}
68
69int
70cpu_mcontext32_validate(struct lwp *l, const mcontext32_t *mcp)
71{
72	return cpu_mcontext_validate(l, mcp);
73}
74void
75cpu_getmcontext32(struct lwp *l, mcontext32_t *mcp, unsigned int *flagsp)
76{
77	cpu_getmcontext(l, mcp, flagsp);
78}
79
80int
81cpu_setmcontext32(struct lwp *l, const mcontext32_t *mcp, unsigned int flags)
82{
83	return cpu_setmcontext(l, mcp, flags);
84}
85
86int
87netbsd32_sysarch(struct lwp *l, const struct netbsd32_sysarch_args *uap,
88	register_t *retval)
89{
90	return sys_sysarch(l, (const struct sys_sysarch_args *)uap, retval);
91}
92
93vaddr_t
94netbsd32_vm_default_addr(struct proc *p, vaddr_t base, vsize_t size)
95{
96	if (p->p_vmspace->vm_map.flags & VM_MAP_TOPDOWN)
97		return VM_DEFAULT_ADDRESS32_TOPDOWN(base, sz);
98	else
99		return VM_DEFAULT_ADDRESS32_BOTTOMUP(base, sz);
100
101}
102