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      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
     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
     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