222 lines
6.3 KiB
C
222 lines
6.3 KiB
C
/*-
|
|
* 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 1.9 1997/02/22 09:33:29 peter Exp $
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/namei.h>
|
|
#include <sys/sysproto.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/exec.h>
|
|
#include <sys/filio.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/sysent.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/timeb.h>
|
|
#include <sys/unistd.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <machine/cpu.h>
|
|
#include <machine/psl.h>
|
|
#include <machine/reg.h>
|
|
|
|
#include <i386/ibcs2/ibcs2_types.h>
|
|
#include <i386/ibcs2/ibcs2_unistd.h>
|
|
#include <i386/ibcs2/ibcs2_signal.h>
|
|
#include <i386/ibcs2/ibcs2_util.h>
|
|
#include <i386/ibcs2/ibcs2_proto.h>
|
|
#include <i386/ibcs2/ibcs2_xenix.h>
|
|
#include <i386/ibcs2/ibcs2_xenix_syscall.h>
|
|
|
|
extern struct sysent xenix_sysent[];
|
|
|
|
int
|
|
ibcs2_xenix(struct proc *p, struct ibcs2_xenix_args *uap, int *retval)
|
|
{
|
|
struct trapframe *tf = (struct trapframe *)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, retval));
|
|
else
|
|
return ENOSYS;
|
|
}
|
|
|
|
int
|
|
xenix_rdchk(p, uap, retval)
|
|
struct proc *p;
|
|
struct xenix_rdchk_args *uap;
|
|
int *retval;
|
|
{
|
|
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, retval))
|
|
return error;
|
|
*retval = (*((int*)SCARG(&sa, data))) ? 1 : 0;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xenix_chsize(p, uap, retval)
|
|
struct proc *p;
|
|
struct xenix_chsize_args *uap;
|
|
int *retval;
|
|
{
|
|
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, retval);
|
|
}
|
|
|
|
|
|
int
|
|
xenix_ftime(p, uap, retval)
|
|
struct proc *p;
|
|
struct xenix_ftime_args *uap;
|
|
int *retval;
|
|
{
|
|
struct timeval tv;
|
|
struct timeb 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 timeb));
|
|
}
|
|
|
|
int
|
|
xenix_nap(struct proc *p, struct xenix_nap_args *uap, int *retval)
|
|
{
|
|
long period;
|
|
|
|
DPRINTF(("IBCS2: 'xenix nap %d ms'\n", SCARG(uap, millisec)));
|
|
period = (long)SCARG(uap, millisec) / (1000/hz);
|
|
if (period)
|
|
while (tsleep(&period, PUSER, "nap", period)
|
|
!= EWOULDBLOCK) ;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xenix_utsname(struct proc *p, struct xenix_utsname_args *uap, int *retval)
|
|
{
|
|
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)uap->addr,
|
|
sizeof(struct ibcs2_sco_utsname));
|
|
}
|
|
|
|
int
|
|
xenix_scoinfo(struct proc *p, struct xenix_scoinfo_args *uap, int *retval)
|
|
{
|
|
/* scoinfo (not documented) */
|
|
*retval = 0;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xenix_eaccess(struct proc *p, struct xenix_eaccess_args *uap, int *retval)
|
|
{
|
|
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;
|
|
}
|