ibcs2_xenix.c revision 160241
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 160241 2006-07-10 17:59:26Z jhb $"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/namei.h> 37#include <sys/sysproto.h> 38#include <sys/jail.h> 39#include <sys/kernel.h> 40#include <sys/malloc.h> 41#include <sys/filio.h> 42#include <sys/vnode.h> 43#include <sys/syscallsubr.h> 44#include <sys/sysctl.h> 45#include <sys/sysent.h> 46#include <sys/unistd.h> 47 48#include <machine/cpu.h> 49 50#include <i386/ibcs2/ibcs2_types.h> 51#include <i386/ibcs2/ibcs2_unistd.h> 52#include <i386/ibcs2/ibcs2_signal.h> 53#include <i386/ibcs2/ibcs2_util.h> 54#include <i386/ibcs2/ibcs2_proto.h> 55#include <i386/ibcs2/ibcs2_xenix.h> 56#include <i386/ibcs2/ibcs2_xenix_syscall.h> 57 58 59extern struct sysent xenix_sysent[]; 60 61int 62ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap) 63{ 64 struct trapframe *tf = td->td_frame; 65 struct sysent *callp; 66 u_int code; 67 int error; 68 69 code = (tf->tf_eax & 0xff00) >> 8; 70 callp = &xenix_sysent[code]; 71 72 if (code < IBCS2_XENIX_MAXSYSCALL) { 73 if ((callp->sy_narg & SYF_MPSAFE) == 0) 74 mtx_lock(&Giant); 75 error = ((*callp->sy_call)(td, (void *)uap)); 76 if ((callp->sy_narg & SYF_MPSAFE) == 0) 77 mtx_unlock(&Giant); 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.pad = 0; 109 sa.length = uap->size; 110 return ftruncate(td, &sa); 111} 112 113 114int 115xenix_ftime(td, uap) 116 struct thread *td; 117 struct xenix_ftime_args *uap; 118{ 119 struct timeval tv; 120 struct ibcs2_timeb { 121 unsigned long time __packed; 122 unsigned short millitm; 123 short timezone; 124 short dstflag; 125 } itb; 126 127 DPRINTF(("IBCS2: 'xenix ftime'\n")); 128 microtime(&tv); 129 itb.time = tv.tv_sec; 130 itb.millitm = (tv.tv_usec / 1000); 131 itb.timezone = tz_minuteswest; 132 itb.dstflag = tz_dsttime != DST_NONE; 133 134 return copyout((caddr_t)&itb, (caddr_t)uap->tp, 135 sizeof(struct ibcs2_timeb)); 136} 137 138int 139xenix_nap(struct thread *td, struct xenix_nap_args *uap) 140{ 141 long period; 142 143 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec)); 144 period = (long)uap->millisec / (1000/hz); 145 if (period) 146 while (tsleep(&period, PPAUSE, "nap", period) 147 != EWOULDBLOCK) ; 148 return 0; 149} 150 151int 152xenix_utsname(struct thread *td, struct xenix_utsname_args *uap) 153{ 154 struct ibcs2_sco_utsname { 155 char sysname[9]; 156 char nodename[9]; 157 char release[16]; 158 char kernelid[20]; 159 char machine[9]; 160 char bustype[9]; 161 char sysserial[10]; 162 unsigned short sysorigin; 163 unsigned short sysoem; 164 char numusers[9]; 165 unsigned short numcpu; 166 } ibcs2_sco_uname; 167 168 DPRINTF(("IBCS2: 'xenix sco_utsname'\n")); 169 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname)); 170 strncpy(ibcs2_sco_uname.sysname, ostype, 171 sizeof(ibcs2_sco_uname.sysname) - 1); 172 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename, 173 sizeof(ibcs2_sco_uname.nodename) - 1); 174 strncpy(ibcs2_sco_uname.release, osrelease, 175 sizeof(ibcs2_sco_uname.release) - 1); 176 strncpy(ibcs2_sco_uname.kernelid, version, 177 sizeof(ibcs2_sco_uname.kernelid) - 1); 178 strncpy(ibcs2_sco_uname.machine, machine, 179 sizeof(ibcs2_sco_uname.machine) - 1); 180 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA", 181 sizeof(ibcs2_sco_uname.bustype) - 1); 182 strncpy(ibcs2_sco_uname.sysserial, "no charge", 183 sizeof(ibcs2_sco_uname.sysserial) - 1); 184 strncpy(ibcs2_sco_uname.numusers, "unlim", 185 sizeof(ibcs2_sco_uname.numusers) - 1); 186 ibcs2_sco_uname.sysorigin = 0xFFFF; 187 ibcs2_sco_uname.sysoem = 0xFFFF; 188 ibcs2_sco_uname.numcpu = 1; 189 return copyout((caddr_t)&ibcs2_sco_uname, 190 (caddr_t)(void *)(intptr_t)uap->addr, 191 sizeof(struct ibcs2_sco_utsname)); 192} 193 194int 195xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap) 196{ 197 /* scoinfo (not documented) */ 198 td->td_retval[0] = 0; 199 return 0; 200} 201 202int 203xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap) 204{ 205 char *path; 206 int error, bsd_flags; 207 208 bsd_flags = 0; 209 if (uap->flags & IBCS2_R_OK) 210 bsd_flags |= R_OK; 211 if (uap->flags & IBCS2_W_OK) 212 bsd_flags |= W_OK; 213 if (uap->flags & IBCS2_X_OK) 214 bsd_flags |= X_OK; 215 216 CHECKALTEXIST(td, uap->path, &path); 217 error = kern_eaccess(td, path, UIO_SYSSPACE, bsd_flags); 218 free(path, M_TEMP); 219 return (error); 220} 221