xref: /netbsd-src/sys/compat/netbsd32/netbsd32_compat_40.c (revision ac807d9782394c27a43b17efc8d353ebf1c70ac7)
1 /*	$NetBSD: netbsd32_compat_40.c,v 1.4 2019/01/28 18:53:52 mlelstv Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2001, 2008, 2018 Matthew R. Green
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * from: NetBSD: netbsd32_netbsd.c,v 1.221 2018/12/24 20:44:39 mrg Exp $
29  */
30 
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_40.c,v 1.4 2019/01/28 18:53:52 mlelstv Exp $");
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/module.h>
37 #include <sys/mount.h>
38 #include <sys/syscallvar.h>
39 #include <sys/syscallargs.h>
40 
41 #include <compat/netbsd32/netbsd32.h>
42 #include <compat/netbsd32/netbsd32_syscall.h>
43 #include <compat/netbsd32/netbsd32_syscallargs.h>
44 #include <compat/netbsd32/netbsd32_conv.h>
45 
46 int
compat_40_netbsd32_mount(struct lwp * l,const struct compat_40_netbsd32_mount_args * uap,register_t * retval)47 compat_40_netbsd32_mount(struct lwp *l,
48 			 const struct compat_40_netbsd32_mount_args *uap,
49 			 register_t *retval)
50 {
51 	/* {
52 		syscallarg(const netbsd32_charp) type;
53 		syscallarg(const netbsd32_charp) path;
54 		syscallarg(int) flags;
55 		syscallarg(netbsd32_voidp) data;
56 	} */
57 	struct compat_40_sys_mount_args ua;
58 
59 	NETBSD32TOP_UAP(type, const char);
60 	NETBSD32TOP_UAP(path, const char);
61 	NETBSD32TO64_UAP(flags);
62 	NETBSD32TOP_UAP(data, void);
63 
64 	return compat_40_sys_mount(l, &ua, retval);
65 }
66 
67 static struct syscall_package compat_netbsd32_40_syscalls[] = {
68 	{ NETBSD32_SYS_compat_40_netbsd32_mount, 0,
69 	    (sy_call_t *)compat_40_netbsd32_mount },
70 	{ 0, 0, NULL }
71 };
72 
73 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_40, "compat_netbsd32_50,compat_40");
74 
75 static int
compat_netbsd32_40_modcmd(modcmd_t cmd,void * arg)76 compat_netbsd32_40_modcmd(modcmd_t cmd, void *arg)
77 {
78 
79 	switch (cmd) {
80 	case MODULE_CMD_INIT:
81 		return syscall_establish(&emul_netbsd32,
82 		    compat_netbsd32_40_syscalls);
83 
84 	case MODULE_CMD_FINI:
85 		return syscall_disestablish(&emul_netbsd32,
86 		    compat_netbsd32_40_syscalls);
87 
88 	default:
89 		return ENOTTY;
90 	}
91 }
92 
93