ibcs2_xenix.c revision 162954
1/*- 2 * Copyright (c) 1994 Sean Eric Fagan 3 * Copyright (c) 1994 S�ren Schmidt 4 * Copyright (c) 1995 Steven Wallace 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 * in this position and unchanged. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD: head/sys/i386/ibcs2/ibcs2_xenix.c 162954 2006-10-02 12:59:59Z phk $"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/namei.h> 37#include <sys/sysproto.h> 38#include <sys/clock.h> 39#include <sys/jail.h> 40#include <sys/kernel.h> 41#include <sys/malloc.h> 42#include <sys/filio.h> 43#include <sys/vnode.h> 44#include <sys/syscallsubr.h> 45#include <sys/sysctl.h> 46#include <sys/sysent.h> 47#include <sys/unistd.h> 48 49#include <machine/cpu.h> 50 51#include <i386/ibcs2/ibcs2_types.h> 52#include <i386/ibcs2/ibcs2_unistd.h> 53#include <i386/ibcs2/ibcs2_signal.h> 54#include <i386/ibcs2/ibcs2_util.h> 55#include <i386/ibcs2/ibcs2_proto.h> 56#include <i386/ibcs2/ibcs2_xenix.h> 57#include <i386/ibcs2/ibcs2_xenix_syscall.h> 58 59 60extern struct sysent xenix_sysent[]; 61 62int 63ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap) 64{ 65 struct trapframe *tf = td->td_frame; 66 struct sysent *callp; 67 u_int code; 68 int error; 69 70 code = (tf->tf_eax & 0xff00) >> 8; 71 callp = &xenix_sysent[code]; 72 73 if (code < IBCS2_XENIX_MAXSYSCALL) 74 error = ((*callp->sy_call)(td, (void *)uap)); 75 else 76 error = ENOSYS; 77 return (error); 78} 79 80int 81xenix_rdchk(td, uap) 82 struct thread *td; 83 struct xenix_rdchk_args *uap; 84{ 85 int data, error; 86 87 DPRINTF(("IBCS2: 'xenix rdchk'\n")); 88 89 error = kern_ioctl(td, uap->fd, FIONREAD, (caddr_t)&data); 90 if (error) 91 return (error); 92 td->td_retval[0] = data ? 1 : 0; 93 return (0); 94} 95 96int 97xenix_chsize(td, uap) 98 struct thread *td; 99 struct xenix_chsize_args *uap; 100{ 101 struct ftruncate_args sa; 102 103 DPRINTF(("IBCS2: 'xenix chsize'\n")); 104 sa.fd = uap->fd; 105 sa.pad = 0; 106 sa.length = uap->size; 107 return ftruncate(td, &sa); 108} 109 110 111int 112xenix_ftime(td, uap) 113 struct thread *td; 114 struct xenix_ftime_args *uap; 115{ 116 struct timeval tv; 117 struct ibcs2_timeb { 118 unsigned long time __packed; 119 unsigned short millitm; 120 short timezone; 121 short dstflag; 122 } itb; 123 124 DPRINTF(("IBCS2: 'xenix ftime'\n")); 125 microtime(&tv); 126 itb.time = tv.tv_sec; 127 itb.millitm = (tv.tv_usec / 1000); 128 itb.timezone = tz_minuteswest; 129 itb.dstflag = tz_dsttime != DST_NONE; 130 131 return copyout((caddr_t)&itb, (caddr_t)uap->tp, 132 sizeof(struct ibcs2_timeb)); 133} 134 135int 136xenix_nap(struct thread *td, struct xenix_nap_args *uap) 137{ 138 long period; 139 140 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec)); 141 period = (long)uap->millisec / (1000/hz); 142 if (period) 143 while (tsleep(&period, PPAUSE, "nap", period) 144 != EWOULDBLOCK) ; 145 return 0; 146} 147 148int 149xenix_utsname(struct thread *td, struct xenix_utsname_args *uap) 150{ 151 struct ibcs2_sco_utsname { 152 char sysname[9]; 153 char nodename[9]; 154 char release[16]; 155 char kernelid[20]; 156 char machine[9]; 157 char bustype[9]; 158 char sysserial[10]; 159 unsigned short sysorigin; 160 unsigned short sysoem; 161 char numusers[9]; 162 unsigned short numcpu; 163 } ibcs2_sco_uname; 164 165 DPRINTF(("IBCS2: 'xenix sco_utsname'\n")); 166 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname)); 167 strncpy(ibcs2_sco_uname.sysname, ostype, 168 sizeof(ibcs2_sco_uname.sysname) - 1); 169 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename, 170 sizeof(ibcs2_sco_uname.nodename) - 1); 171 strncpy(ibcs2_sco_uname.release, osrelease, 172 sizeof(ibcs2_sco_uname.release) - 1); 173 strncpy(ibcs2_sco_uname.kernelid, version, 174 sizeof(ibcs2_sco_uname.kernelid) - 1); 175 strncpy(ibcs2_sco_uname.machine, machine, 176 sizeof(ibcs2_sco_uname.machine) - 1); 177 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA", 178 sizeof(ibcs2_sco_uname.bustype) - 1); 179 strncpy(ibcs2_sco_uname.sysserial, "no charge", 180 sizeof(ibcs2_sco_uname.sysserial) - 1); 181 strncpy(ibcs2_sco_uname.numusers, "unlim", 182 sizeof(ibcs2_sco_uname.numusers) - 1); 183 ibcs2_sco_uname.sysorigin = 0xFFFF; 184 ibcs2_sco_uname.sysoem = 0xFFFF; 185 ibcs2_sco_uname.numcpu = 1; 186 return copyout((caddr_t)&ibcs2_sco_uname, 187 (caddr_t)(void *)(intptr_t)uap->addr, 188 sizeof(struct ibcs2_sco_utsname)); 189} 190 191int 192xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap) 193{ 194 /* scoinfo (not documented) */ 195 td->td_retval[0] = 0; 196 return 0; 197} 198 199int 200xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap) 201{ 202 char *path; 203 int error, bsd_flags; 204 205 bsd_flags = 0; 206 if (uap->flags & IBCS2_R_OK) 207 bsd_flags |= R_OK; 208 if (uap->flags & IBCS2_W_OK) 209 bsd_flags |= W_OK; 210 if (uap->flags & IBCS2_X_OK) 211 bsd_flags |= X_OK; 212 213 CHECKALTEXIST(td, uap->path, &path); 214 error = kern_eaccess(td, path, UIO_SYSSPACE, bsd_flags); 215 free(path, M_TEMP); 216 return (error); 217} 218