ibcs2_xenix.c revision 155401
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 155401 2006-02-06 22:00:53Z 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/unistd.h> 46 47#include <machine/cpu.h> 48 49#include <i386/ibcs2/ibcs2_types.h> 50#include <i386/ibcs2/ibcs2_unistd.h> 51#include <i386/ibcs2/ibcs2_signal.h> 52#include <i386/ibcs2/ibcs2_util.h> 53#include <i386/ibcs2/ibcs2_proto.h> 54#include <i386/ibcs2/ibcs2_xenix.h> 55#include <i386/ibcs2/ibcs2_xenix_syscall.h> 56 57 58extern struct sysent xenix_sysent[]; 59 60int 61ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap) 62{ 63 struct trapframe *tf = td->td_frame; 64 struct sysent *callp; 65 u_int code; 66 int error; 67 68 code = (tf->tf_eax & 0xff00) >> 8; 69 callp = &xenix_sysent[code]; 70 71 if (code < IBCS2_XENIX_MAXSYSCALL) { 72 if ((callp->sy_narg & SYF_MPSAFE) == 0) 73 mtx_lock(&Giant); 74 error = ((*callp->sy_call)(td, (void *)uap)); 75 if ((callp->sy_narg & SYF_MPSAFE) == 0) 76 mtx_unlock(&Giant); 77 } else 78 error = ENOSYS; 79 return (error); 80} 81 82int 83xenix_rdchk(td, uap) 84 struct thread *td; 85 struct xenix_rdchk_args *uap; 86{ 87 int error; 88 struct ioctl_args sa; 89 caddr_t sg = stackgap_init(); 90 91 DPRINTF(("IBCS2: 'xenix rdchk'\n")); 92 sa.fd = uap->fd; 93 sa.com = FIONREAD; 94 sa.data = stackgap_alloc(&sg, sizeof(int)); 95 if ((error = ioctl(td, &sa)) != 0) 96 return error; 97 td->td_retval[0] = (*((int*)sa.data)) ? 1 : 0; 98 return 0; 99} 100 101int 102xenix_chsize(td, uap) 103 struct thread *td; 104 struct xenix_chsize_args *uap; 105{ 106 struct ftruncate_args sa; 107 108 DPRINTF(("IBCS2: 'xenix chsize'\n")); 109 sa.fd = uap->fd; 110 sa.pad = 0; 111 sa.length = uap->size; 112 return ftruncate(td, &sa); 113} 114 115 116int 117xenix_ftime(td, uap) 118 struct thread *td; 119 struct xenix_ftime_args *uap; 120{ 121 struct timeval tv; 122 struct ibcs2_timeb { 123 unsigned long time __packed; 124 unsigned short millitm; 125 short timezone; 126 short dstflag; 127 } itb; 128 129 DPRINTF(("IBCS2: 'xenix ftime'\n")); 130 microtime(&tv); 131 itb.time = tv.tv_sec; 132 itb.millitm = (tv.tv_usec / 1000); 133 itb.timezone = tz_minuteswest; 134 itb.dstflag = tz_dsttime != DST_NONE; 135 136 return copyout((caddr_t)&itb, (caddr_t)uap->tp, 137 sizeof(struct ibcs2_timeb)); 138} 139 140int 141xenix_nap(struct thread *td, struct xenix_nap_args *uap) 142{ 143 long period; 144 145 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec)); 146 period = (long)uap->millisec / (1000/hz); 147 if (period) 148 while (tsleep(&period, PPAUSE, "nap", period) 149 != EWOULDBLOCK) ; 150 return 0; 151} 152 153int 154xenix_utsname(struct thread *td, struct xenix_utsname_args *uap) 155{ 156 struct ibcs2_sco_utsname { 157 char sysname[9]; 158 char nodename[9]; 159 char release[16]; 160 char kernelid[20]; 161 char machine[9]; 162 char bustype[9]; 163 char sysserial[10]; 164 unsigned short sysorigin; 165 unsigned short sysoem; 166 char numusers[9]; 167 unsigned short numcpu; 168 } ibcs2_sco_uname; 169 170 DPRINTF(("IBCS2: 'xenix sco_utsname'\n")); 171 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname)); 172 strncpy(ibcs2_sco_uname.sysname, ostype, 173 sizeof(ibcs2_sco_uname.sysname) - 1); 174 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename, 175 sizeof(ibcs2_sco_uname.nodename) - 1); 176 strncpy(ibcs2_sco_uname.release, osrelease, 177 sizeof(ibcs2_sco_uname.release) - 1); 178 strncpy(ibcs2_sco_uname.kernelid, version, 179 sizeof(ibcs2_sco_uname.kernelid) - 1); 180 strncpy(ibcs2_sco_uname.machine, machine, 181 sizeof(ibcs2_sco_uname.machine) - 1); 182 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA", 183 sizeof(ibcs2_sco_uname.bustype) - 1); 184 strncpy(ibcs2_sco_uname.sysserial, "no charge", 185 sizeof(ibcs2_sco_uname.sysserial) - 1); 186 strncpy(ibcs2_sco_uname.numusers, "unlim", 187 sizeof(ibcs2_sco_uname.numusers) - 1); 188 ibcs2_sco_uname.sysorigin = 0xFFFF; 189 ibcs2_sco_uname.sysoem = 0xFFFF; 190 ibcs2_sco_uname.numcpu = 1; 191 return copyout((caddr_t)&ibcs2_sco_uname, 192 (caddr_t)(void *)(intptr_t)uap->addr, 193 sizeof(struct ibcs2_sco_utsname)); 194} 195 196int 197xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap) 198{ 199 /* scoinfo (not documented) */ 200 td->td_retval[0] = 0; 201 return 0; 202} 203 204int 205xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap) 206{ 207 char *path; 208 int error, bsd_flags; 209 210 bsd_flags = 0; 211 if (uap->flags & IBCS2_R_OK) 212 bsd_flags |= R_OK; 213 if (uap->flags & IBCS2_W_OK) 214 bsd_flags |= W_OK; 215 if (uap->flags & IBCS2_X_OK) 216 bsd_flags |= X_OK; 217 218 CHECKALTEXIST(td, uap->path, &path); 219 error = kern_eaccess(td, path, UIO_SYSSPACE, bsd_flags); 220 free(path, M_TEMP); 221 return (error); 222} 223