1 /* $NetBSD: netbsd32_compat_60.c,v 1.6 2020/01/29 15:47:52 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2008, 2020 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_60.c,v 1.6 2020/01/29 15:47:52 ad Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/module.h> 37 #include <sys/time.h> 38 #include <sys/dirent.h> 39 #include <sys/lwp.h> 40 #include <sys/syscallargs.h> 41 #include <sys/syscallvar.h> 42 43 #include <compat/netbsd32/netbsd32.h> 44 #include <compat/netbsd32/netbsd32_syscall.h> 45 #include <compat/netbsd32/netbsd32_syscallargs.h> 46 #include <compat/netbsd32/netbsd32_conv.h> 47 48 int 49 compat_60_netbsd32__lwp_park(struct lwp *l, 50 const struct compat_60_netbsd32__lwp_park_args *uap, register_t *retval) 51 { 52 /* { 53 syscallarg(const netbsd32_timespecp) ts; 54 syscallarg(lwpid_t) unpark; 55 syscallarg(netbsd32_voidp) hint; 56 syscallarg(netbsd32_voidp) unparkhint; 57 } */ 58 struct timespec ts, *tsp; 59 struct netbsd32_timespec ts32; 60 int error; 61 62 if (SCARG_P32(uap, ts) == NULL) 63 tsp = NULL; 64 else { 65 error = copyin(SCARG_P32(uap, ts), &ts32, sizeof ts32); 66 if (error != 0) 67 return error; 68 netbsd32_to_timespec(&ts32, &ts); 69 tsp = &ts; 70 } 71 72 if (SCARG(uap, unpark) != 0) { 73 error = lwp_unpark(&SCARG(uap, unpark), 1); 74 if (error != 0) 75 return error; 76 } 77 78 return lwp_park(CLOCK_REALTIME, TIMER_ABSTIME, tsp); 79 } 80 81 static struct syscall_package compat_netbsd32_60_syscalls[] = { 82 { NETBSD32_SYS_compat_60_netbsd32__lwp_park, 0, 83 (sy_call_t *)compat_60_netbsd32__lwp_park }, 84 { 0, 0, NULL } 85 }; 86 87 88 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_60, "compat_netbsd32_80,compat_60"); 89 90 static int 91 compat_netbsd32_60_modcmd(modcmd_t cmd, void *arg) 92 { 93 94 switch (cmd) { 95 case MODULE_CMD_INIT: 96 return syscall_establish(&emul_netbsd32, 97 compat_netbsd32_60_syscalls); 98 99 case MODULE_CMD_FINI: 100 return syscall_disestablish(&emul_netbsd32, 101 compat_netbsd32_60_syscalls); 102 103 default: 104 return ENOTTY; 105 } 106 } 107