1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1994 Sean Eric Fagan 5 * Copyright (c) 1994 S��ren Schmidt 6 * Copyright (c) 1995 Steven Wallace 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer 14 * in this position and unchanged. 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. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD$"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/fcntl.h> 39#include <sys/namei.h> 40#include <sys/sysproto.h> 41#include <sys/clock.h> 42#include <sys/jail.h> 43#include <sys/kernel.h> 44#include <sys/malloc.h> 45#include <sys/filio.h> 46#include <sys/vnode.h> 47#include <sys/syscallsubr.h> 48#include <sys/sysctl.h> 49#include <sys/sysent.h> 50#include <sys/unistd.h> 51 52#include <machine/cpu.h> 53 54#include <i386/ibcs2/ibcs2_types.h> 55#include <i386/ibcs2/ibcs2_unistd.h> 56#include <i386/ibcs2/ibcs2_signal.h> 57#include <i386/ibcs2/ibcs2_util.h> 58#include <i386/ibcs2/ibcs2_proto.h> 59#include <i386/ibcs2/ibcs2_xenix.h> 60#include <i386/ibcs2/ibcs2_xenix_syscall.h> 61 62 63extern struct sysent xenix_sysent[]; 64 65int 66ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap) 67{ 68 struct trapframe *tf = td->td_frame; 69 struct sysent *callp; 70 u_int code; 71 int error; 72 73 code = (tf->tf_eax & 0xff00) >> 8; 74 callp = &xenix_sysent[code]; 75 76 if (code < IBCS2_XENIX_MAXSYSCALL) 77 error = ((*callp->sy_call)(td, (void *)uap)); 78 else 79 error = ENOSYS; 80 return (error); 81} 82 83int 84xenix_rdchk(td, uap) 85 struct thread *td; 86 struct xenix_rdchk_args *uap; 87{ 88 int data, error; 89 90 DPRINTF(("IBCS2: 'xenix rdchk'\n")); 91 92 error = kern_ioctl(td, uap->fd, FIONREAD, (caddr_t)&data); 93 if (error) 94 return (error); 95 td->td_retval[0] = data ? 1 : 0; 96 return (0); 97} 98 99int 100xenix_chsize(td, uap) 101 struct thread *td; 102 struct xenix_chsize_args *uap; 103{ 104 struct ftruncate_args sa; 105 106 DPRINTF(("IBCS2: 'xenix chsize'\n")); 107 sa.fd = uap->fd; 108 sa.length = uap->size; 109 return sys_ftruncate(td, &sa); 110} 111 112 113int 114xenix_ftime(td, uap) 115 struct thread *td; 116 struct xenix_ftime_args *uap; 117{ 118 struct timeval tv; 119 struct ibcs2_timeb { 120 unsigned long time __packed; 121 unsigned short millitm; 122 short timezone; 123 short dstflag; 124 } itb; 125 126 DPRINTF(("IBCS2: 'xenix ftime'\n")); 127 microtime(&tv); 128 itb.time = tv.tv_sec; 129 itb.millitm = (tv.tv_usec / 1000); 130 itb.timezone = tz_minuteswest; 131 itb.dstflag = tz_dsttime != DST_NONE; 132 133 return copyout((caddr_t)&itb, (caddr_t)uap->tp, 134 sizeof(struct ibcs2_timeb)); 135} 136 137int 138xenix_nap(struct thread *td, struct xenix_nap_args *uap) 139{ 140 long period; 141 142 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec)); 143 period = (long)uap->millisec / (1000/hz); 144 if (period) 145 pause("nap", period); 146 return 0; 147} 148 149int 150xenix_utsname(struct thread *td, struct xenix_utsname_args *uap) 151{ 152 struct ibcs2_sco_utsname { 153 char sysname[9]; 154 char nodename[9]; 155 char release[16]; 156 char kernelid[20]; 157 char machine[9]; 158 char bustype[9]; 159 char sysserial[10]; 160 unsigned short sysorigin; 161 unsigned short sysoem; 162 char numusers[9]; 163 unsigned short numcpu; 164 } ibcs2_sco_uname; 165 166 DPRINTF(("IBCS2: 'xenix sco_utsname'\n")); 167 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname)); 168 strncpy(ibcs2_sco_uname.sysname, ostype, 169 sizeof(ibcs2_sco_uname.sysname) - 1); 170 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename, 171 sizeof(ibcs2_sco_uname.nodename) - 1); 172 strncpy(ibcs2_sco_uname.release, osrelease, 173 sizeof(ibcs2_sco_uname.release) - 1); 174 strncpy(ibcs2_sco_uname.kernelid, version, 175 sizeof(ibcs2_sco_uname.kernelid) - 1); 176 strncpy(ibcs2_sco_uname.machine, machine, 177 sizeof(ibcs2_sco_uname.machine) - 1); 178 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA", 179 sizeof(ibcs2_sco_uname.bustype) - 1); 180 strncpy(ibcs2_sco_uname.sysserial, "no charge", 181 sizeof(ibcs2_sco_uname.sysserial) - 1); 182 strncpy(ibcs2_sco_uname.numusers, "unlim", 183 sizeof(ibcs2_sco_uname.numusers) - 1); 184 ibcs2_sco_uname.sysorigin = 0xFFFF; 185 ibcs2_sco_uname.sysoem = 0xFFFF; 186 ibcs2_sco_uname.numcpu = 1; 187 return copyout((caddr_t)&ibcs2_sco_uname, 188 (caddr_t)(void *)(intptr_t)uap->addr, 189 sizeof(struct ibcs2_sco_utsname)); 190} 191 192int 193xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap) 194{ 195 /* scoinfo (not documented) */ 196 td->td_retval[0] = 0; 197 return 0; 198} 199 200int 201xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap) 202{ 203 char *path; 204 int error, bsd_flags; 205 206 bsd_flags = 0; 207 if (uap->flags & IBCS2_R_OK) 208 bsd_flags |= R_OK; 209 if (uap->flags & IBCS2_W_OK) 210 bsd_flags |= W_OK; 211 if (uap->flags & IBCS2_X_OK) 212 bsd_flags |= X_OK; 213 214 CHECKALTEXIST(td, uap->path, &path); 215 error = kern_accessat(td, AT_FDCWD, path, UIO_SYSSPACE, 216 AT_EACCESS, bsd_flags); 217 free(path, M_TEMP); 218 return (error); 219} 220