1
0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-24 11:29:10 +00:00
freebsd/sys/svr4/svr4_ttold.c
Mark Newton f22dd58acc Emulator KLD for SysVR4 executables grabbed from NetBSD.
See http://www.freebsd.org/~newton/freebsd-svr4 for limitations,
capabilities, history and TO-DO list.
1999-01-30 06:29:48 +00:00

382 lines
9.1 KiB
C

/*
* Copyright (c) 1998 Mark Newton
* Copyright (c) 1994 Christos Zoulas
* 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.
* 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 without 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.
*/
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/fcntl.h>
#include <sys/ioctl_compat.h>
#include <sys/unistd.h>
#include <sys/termios.h>
#include <sys/tty.h>
#include <sys/socket.h>
#include <sys/mount.h>
#include <net/if.h>
#include <sys/malloc.h>
#include <sys/sysproto.h>
#include <svr4/svr4_types.h>
#include <svr4/svr4_util.h>
#include <svr4/svr4_signal.h>
#include <svr4/svr4_proto.h>
#include <svr4/svr4_stropts.h>
#include <svr4/svr4_ttold.h>
#include <svr4/svr4_ioctl.h>
static void svr4_tchars_to_bsd_tchars __P((const struct svr4_tchars *st,
struct tchars *bt));
static void bsd_tchars_to_svr4_tchars __P((const struct tchars *bt,
struct svr4_tchars *st));
static void svr4_sgttyb_to_bsd_sgttyb __P((const struct svr4_sgttyb *ss,
struct sgttyb *bs));
static void bsd_sgttyb_to_svr4_sgttyb __P((const struct sgttyb *bs,
struct svr4_sgttyb *ss));
static void svr4_ltchars_to_bsd_ltchars __P((const struct svr4_ltchars *sl,
struct ltchars *bl));
static void bsd_ltchars_to_svr4_ltchars __P((const struct ltchars *bl,
struct svr4_ltchars *sl));
#ifdef DEBUG_SVR4
static void print_svr4_sgttyb __P((const char *, struct svr4_sgttyb *));
static void print_svr4_tchars __P((const char *, struct svr4_tchars *));
static void print_svr4_ltchars __P((const char *, struct svr4_ltchars *));
static void
print_svr4_sgttyb(str, ss)
const char *str;
struct svr4_sgttyb *ss;
{
uprintf("%s\nispeed=%o ospeed=%o ", str, ss->sg_ispeed, ss->sg_ospeed);
uprintf("erase=%o kill=%o flags=%o\n", ss->sg_erase, ss->sg_kill,
ss->sg_flags);
}
static void
print_svr4_tchars(str, st)
const char *str;
struct svr4_tchars *st;
{
uprintf("%s\nintrc=%o quitc=%o ", str, st->t_intrc, st->t_quitc);
uprintf("startc=%o stopc=%o eofc=%o brkc=%o\n", st->t_startc,
st->t_stopc, st->t_eofc, st->t_brkc);
}
static void
print_svr4_ltchars(str, sl)
const char *str;
struct svr4_ltchars *sl;
{
uprintf("%s\nsuspc=%o dsuspc=%o ", str, sl->t_suspc, sl->t_dsuspc);
uprintf("rprntc=%o flushc=%o werasc=%o lnextc=%o\n", sl->t_rprntc,
sl->t_flushc, sl->t_werasc, sl->t_lnextc);
}
#endif /* DEBUG_SVR4 */
static void
svr4_tchars_to_bsd_tchars(st, bt)
const struct svr4_tchars *st;
struct tchars *bt;
{
bt->t_intrc = st->t_intrc;
bt->t_quitc = st->t_quitc;
bt->t_startc = st->t_startc;
bt->t_stopc = st->t_stopc;
bt->t_eofc = st->t_eofc;
bt->t_brkc = st->t_brkc;
}
static void
bsd_tchars_to_svr4_tchars(bt, st)
const struct tchars *bt;
struct svr4_tchars *st;
{
st->t_intrc = bt->t_intrc;
st->t_quitc = bt->t_quitc;
st->t_startc = bt->t_startc;
st->t_stopc = bt->t_stopc;
st->t_eofc = bt->t_eofc;
st->t_brkc = bt->t_brkc;
}
static void
svr4_sgttyb_to_bsd_sgttyb(ss, bs)
const struct svr4_sgttyb *ss;
struct sgttyb *bs;
{
bs->sg_ispeed = ss->sg_ispeed;
bs->sg_ospeed = ss->sg_ospeed;
bs->sg_erase = ss->sg_erase;
bs->sg_kill = ss->sg_kill;
bs->sg_flags = ss->sg_flags;
};
static void
bsd_sgttyb_to_svr4_sgttyb(bs, ss)
const struct sgttyb *bs;
struct svr4_sgttyb *ss;
{
ss->sg_ispeed = bs->sg_ispeed;
ss->sg_ospeed = bs->sg_ospeed;
ss->sg_erase = bs->sg_erase;
ss->sg_kill = bs->sg_kill;
ss->sg_flags = bs->sg_flags;
}
static void
svr4_ltchars_to_bsd_ltchars(sl, bl)
const struct svr4_ltchars *sl;
struct ltchars *bl;
{
bl->t_suspc = sl->t_suspc;
bl->t_dsuspc = sl->t_dsuspc;
bl->t_rprntc = sl->t_rprntc;
bl->t_flushc = sl->t_flushc;
bl->t_werasc = sl->t_werasc;
bl->t_lnextc = sl->t_lnextc;
}
static void
bsd_ltchars_to_svr4_ltchars(bl, sl)
const struct ltchars *bl;
struct svr4_ltchars *sl;
{
sl->t_suspc = bl->t_suspc;
sl->t_dsuspc = bl->t_dsuspc;
sl->t_rprntc = bl->t_rprntc;
sl->t_flushc = bl->t_flushc;
sl->t_werasc = bl->t_werasc;
sl->t_lnextc = bl->t_lnextc;
}
int
svr4_ttold_ioctl(fp, p, retval, fd, cmd, data)
struct file *fp;
struct proc *p;
register_t *retval;
int fd;
u_long cmd;
caddr_t data;
{
int error;
int (*ctl) __P((struct file *, u_long, caddr_t, struct proc *)) =
fp->f_ops->fo_ioctl;
*retval = 0;
switch (cmd) {
case SVR4_TIOCGPGRP:
{
pid_t pid;
if ((error = (*ctl)(fp, TIOCGPGRP,
(caddr_t) &pid, p)) != 0)
return error;
DPRINTF(("TIOCGPGRP %d\n", pid));
if ((error = copyout(&pid, data, sizeof(pid))) != 0)
return error;
}
case SVR4_TIOCSPGRP:
{
pid_t pid;
if ((error = copyin(data, &pid, sizeof(pid))) != 0)
return error;
DPRINTF(("TIOCSPGRP %d\n", pid));
return (*ctl)(fp, TIOCSPGRP, (caddr_t) &pid, p);
}
case SVR4_TIOCGSID:
{
#if defined(TIOCGSID)
pid_t pid;
if ((error = (*ctl)(fp, TIOCGSID,
(caddr_t) &pid, p)) != 0)
return error;
DPRINTF(("TIOCGSID %d\n", pid));
return copyout(&pid, data, sizeof(pid));
#else
uprintf("ioctl(TIOCGSID) for pid %d unsupported\n", p->p_pid);
return EINVAL;
#endif
}
case SVR4_TIOCGETP:
{
struct sgttyb bs;
struct svr4_sgttyb ss;
error = (*ctl)(fp, TIOCGETP, (caddr_t) &bs, p);
if (error)
return error;
bsd_sgttyb_to_svr4_sgttyb(&bs, &ss);
#ifdef DEBUG_SVR4
print_svr4_sgttyb("SVR4_TIOCGETP", &ss);
#endif /* DEBUG_SVR4 */
return copyout(&ss, data, sizeof(ss));
}
case SVR4_TIOCSETP:
case SVR4_TIOCSETN:
{
struct sgttyb bs;
struct svr4_sgttyb ss;
if ((error = copyin(data, &ss, sizeof(ss))) != 0)
return error;
svr4_sgttyb_to_bsd_sgttyb(&ss, &bs);
#ifdef DEBUG_SVR4
print_svr4_sgttyb("SVR4_TIOCSET{P,N}", &ss);
#endif /* DEBUG_SVR4 */
cmd = (cmd == SVR4_TIOCSETP) ? TIOCSETP : TIOCSETN;
return (*ctl)(fp, cmd, (caddr_t) &bs, p);
}
case SVR4_TIOCGETC:
{
struct tchars bt;
struct svr4_tchars st;
error = (*ctl)(fp, TIOCGETC, (caddr_t) &bt, p);
if (error)
return error;
bsd_tchars_to_svr4_tchars(&bt, &st);
#ifdef DEBUG_SVR4
print_svr4_tchars("SVR4_TIOCGETC", &st);
#endif /* DEBUG_SVR4 */
return copyout(&st, data, sizeof(st));
}
case SVR4_TIOCSETC:
{
struct tchars bt;
struct svr4_tchars st;
if ((error = copyin(data, &st, sizeof(st))) != 0)
return error;
svr4_tchars_to_bsd_tchars(&st, &bt);
#ifdef DEBUG_SVR4
print_svr4_tchars("SVR4_TIOCSETC", &st);
#endif /* DEBUG_SVR4 */
return (*ctl)(fp, TIOCSETC, (caddr_t) &bt, p);
}
case SVR4_TIOCGLTC:
{
struct ltchars bl;
struct svr4_ltchars sl;
error = (*ctl)(fp, TIOCGLTC, (caddr_t) &bl, p);
if (error)
return error;
bsd_ltchars_to_svr4_ltchars(&bl, &sl);
#ifdef DEBUG_SVR4
print_svr4_ltchars("SVR4_TIOCGLTC", &sl);
#endif /* DEBUG_SVR4 */
return copyout(&sl, data, sizeof(sl));
}
case SVR4_TIOCSLTC:
{
struct ltchars bl;
struct svr4_ltchars sl;
if ((error = copyin(data, &sl, sizeof(sl))) != 0)
return error;
svr4_ltchars_to_bsd_ltchars(&sl, &bl);
#ifdef DEBUG_SVR4
print_svr4_ltchars("SVR4_TIOCSLTC", &sl);
#endif /* DEBUG_SVR4 */
return (*ctl)(fp, TIOCSLTC, (caddr_t) &bl, p);
}
case SVR4_TIOCLGET:
{
int flags;
if ((error = (*ctl)(fp, TIOCLGET,
(caddr_t) &flags, p)) != 0)
return error;
DPRINTF(("SVR4_TIOCLGET %o\n", flags));
return copyout(&flags, data, sizeof(flags));
}
case SVR4_TIOCLSET:
case SVR4_TIOCLBIS:
case SVR4_TIOCLBIC:
{
int flags;
if ((error = copyin(data, &flags, sizeof(flags))) != 0)
return error;
switch (cmd) {
case SVR4_TIOCLSET:
cmd = TIOCLSET;
break;
case SVR4_TIOCLBIS:
cmd = TIOCLBIS;
break;
case SVR4_TIOCLBIC:
cmd = TIOCLBIC;
break;
}
DPRINTF(("SVR4_TIOCL{SET,BIS,BIC} %o\n", flags));
return (*ctl)(fp, cmd, (caddr_t) &flags, p);
}
default:
DPRINTF(("Unknown svr4 ttold %lx\n", cmd));
return 0; /* ENOSYS really */
}
}