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netbsd32_compat_60.c revision 1.4 
      1 /*	$NetBSD: netbsd32_compat_60.c,v 1.4 2019/01/27 02:08:40 pgoyette Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_60.c,v 1.4 2019/01/27 02:08:40 pgoyette Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/module.h>
     44 #include <sys/time.h>
     45 #include <sys/dirent.h>
     46 #include <sys/lwp.h>
     47 #include <sys/syscallargs.h>
     48 #include <sys/syscallvar.h>
     49 
     50 #include <compat/netbsd32/netbsd32.h>
     51 #include <compat/netbsd32/netbsd32_syscall.h>
     52 #include <compat/netbsd32/netbsd32_syscallargs.h>
     53 #include <compat/netbsd32/netbsd32_conv.h>
     54 
     55 int
     56 compat_60_netbsd32__lwp_park(struct lwp *l,
     57     const struct compat_60_netbsd32__lwp_park_args *uap, register_t *retval)
     58 {
     59 	/* {
     60 		syscallarg(const netbsd32_timespecp) ts;
     61 		syscallarg(lwpid_t) unpark;
     62 		syscallarg(netbsd32_voidp) hint;
     63 		syscallarg(netbsd32_voidp) unparkhint;
     64 	} */
     65 	struct timespec ts, *tsp;
     66 	struct netbsd32_timespec ts32;
     67 	int error;
     68 
     69 	if (SCARG_P32(uap, ts) == NULL)
     70 		tsp = NULL;
     71 	else {
     72 		error = copyin(SCARG_P32(uap, ts), &ts32, sizeof ts32);
     73 		if (error != 0)
     74 			return error;
     75 		netbsd32_to_timespec(&ts32, &ts);
     76 		tsp = &ts;
     77 	}
     78 
     79 	if (SCARG(uap, unpark) != 0) {
     80 		error = lwp_unpark(SCARG(uap, unpark),
     81 		    SCARG_P32(uap, unparkhint));
     82 		if (error != 0)
     83 			return error;
     84 	}
     85 
     86 	return lwp_park(CLOCK_REALTIME, TIMER_ABSTIME, tsp,
     87 	    SCARG_P32(uap, hint));
     88 }
     89 
     90 static struct syscall_package compat_netbsd32_60_syscalls[] = {
     91 	{ NETBSD32_SYS_compat_60_netbsd32__lwp_park, 0,
     92 	    (sy_call_t *)compat_60_netbsd32__lwp_park },
     93 	{ 0, 0, NULL }
     94 };
     95 
     96 
     97 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_60, "compat_netbsd32_80,compat_60");
     98 
     99 static int
    100 compat_netbsd32_60_modcmd(modcmd_t cmd, void *arg)
    101 {
    102 
    103 	switch (cmd) {
    104 	case MODULE_CMD_INIT:
    105 		return syscall_establish(&emul_netbsd32,
    106 		    compat_netbsd32_60_syscalls);
    107 
    108 	case MODULE_CMD_FINI:
    109 		return syscall_disestablish(&emul_netbsd32,
    110 		    compat_netbsd32_60_syscalls);
    111 
    112 	default:
    113 		return ENOTTY;
    114 	}
    115 }
    116