/*- * Copyright (c) 1994 Sean Eric Fagan * Copyright (c) 1994 Søren Schmidt * Copyright (c) 1995 Steven Wallace * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer * in this position and unchanged. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $Id: ibcs2_xenix.c,v 1.15 1998/06/02 05:39:07 dyson Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern struct sysent xenix_sysent[]; int ibcs2_xenix(struct proc *p, struct ibcs2_xenix_args *uap) { struct trapframe *tf = p->p_md.md_regs; struct sysent *callp; u_int code; code = (tf->tf_eax & 0xff00) >> 8; callp = &xenix_sysent[code]; if(code < IBCS2_XENIX_MAXSYSCALL) return((*callp->sy_call)(p, (void *)uap)); else return ENOSYS; } int xenix_rdchk(p, uap) struct proc *p; struct xenix_rdchk_args *uap; { int error; struct ioctl_args sa; caddr_t sg = stackgap_init(); DPRINTF(("IBCS2: 'xenix rdchk'\n")); SCARG(&sa, fd) = SCARG(uap, fd); SCARG(&sa, com) = FIONREAD; SCARG(&sa, data) = stackgap_alloc(&sg, sizeof(int)); if (error = ioctl(p, &sa)) return error; p->p_retval[0] = (*((int*)SCARG(&sa, data))) ? 1 : 0; return 0; } int xenix_chsize(p, uap) struct proc *p; struct xenix_chsize_args *uap; { struct ftruncate_args sa; DPRINTF(("IBCS2: 'xenix chsize'\n")); SCARG(&sa, fd) = SCARG(uap, fd); SCARG(&sa, pad) = 0; SCARG(&sa, length) = SCARG(uap, size); return ftruncate(p, &sa); } int xenix_ftime(p, uap) struct proc *p; struct xenix_ftime_args *uap; { struct timeval tv; struct ibcs2_timeb { unsigned long time __attribute__((packed)); unsigned short millitm; short timezone; short dstflag; } itb; DPRINTF(("IBCS2: 'xenix ftime'\n")); microtime(&tv); itb.time = tv.tv_sec; itb.millitm = (tv.tv_usec / 1000); itb.timezone = tz.tz_minuteswest; itb.dstflag = tz.tz_dsttime != DST_NONE; return copyout((caddr_t)&itb, (caddr_t)SCARG(uap, tp), sizeof(struct ibcs2_timeb)); } int xenix_nap(struct proc *p, struct xenix_nap_args *uap) { long period; DPRINTF(("IBCS2: 'xenix nap %d ms'\n", SCARG(uap, millisec))); period = (long)SCARG(uap, millisec) / (1000/hz); if (period) while (tsleep(&period, PPAUSE, "nap", period) != EWOULDBLOCK) ; return 0; } int xenix_utsname(struct proc *p, struct xenix_utsname_args *uap) { struct ibcs2_sco_utsname { char sysname[9]; char nodename[9]; char release[16]; char kernelid[20]; char machine[9]; char bustype[9]; char sysserial[10]; unsigned short sysorigin; unsigned short sysoem; char numusers[9]; unsigned short numcpu; } ibcs2_sco_uname; DPRINTF(("IBCS2: 'xenix sco_utsname'\n")); bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname)); strncpy(ibcs2_sco_uname.sysname, ostype, 8); strncpy(ibcs2_sco_uname.nodename, hostname, 8); strncpy(ibcs2_sco_uname.release, osrelease, 15); strncpy(ibcs2_sco_uname.kernelid, version, 19); strncpy(ibcs2_sco_uname.machine, machine, 8); bcopy("ISA/EISA", ibcs2_sco_uname.bustype, 8); bcopy("no charge", ibcs2_sco_uname.sysserial, 9); bcopy("unlim", ibcs2_sco_uname.numusers, 8); ibcs2_sco_uname.sysorigin = 0xFFFF; ibcs2_sco_uname.sysoem = 0xFFFF; ibcs2_sco_uname.numcpu = 1; return copyout((caddr_t)&ibcs2_sco_uname, (caddr_t)(void *)(intptr_t)uap->addr, sizeof(struct ibcs2_sco_utsname)); } int xenix_scoinfo(struct proc *p, struct xenix_scoinfo_args *uap) { /* scoinfo (not documented) */ p->p_retval[0] = 0; return 0; } int xenix_eaccess(struct proc *p, struct xenix_eaccess_args *uap) { struct ucred *cred = p->p_ucred; struct vnode *vp; struct nameidata nd; int error, flags; caddr_t sg = stackgap_init(); CHECKALTEXIST(p, &sg, SCARG(uap, path)); NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE, SCARG(uap, path), p); if (error = namei(&nd)) return error; vp = nd.ni_vp; /* Flags == 0 means only check for existence. */ if (SCARG(uap, flags)) { flags = 0; if (SCARG(uap, flags) & IBCS2_R_OK) flags |= VREAD; if (SCARG(uap, flags) & IBCS2_W_OK) flags |= VWRITE; if (SCARG(uap, flags) & IBCS2_X_OK) flags |= VEXEC; if ((flags & VWRITE) == 0 || (error = vn_writechk(vp)) == 0) error = VOP_ACCESS(vp, flags, cred, p); } vput(vp); return error; }