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/*-
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* 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 as
* the first lines of this file unmodified.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
*
* $FreeBSD$
*/
#include "sc.h"
#include "opt_syscons.h"
#if NSC > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/consio.h>
#include <machine/pc/display.h>
#include <dev/syscons/syscons.h>
#include <dev/syscons/sctermvar.h>
#ifdef SC_DUMB_TERMINAL
/* dumb terminal emulator */
static sc_term_init_t dumb_init;
static sc_term_term_t dumb_term;
static sc_term_puts_t dumb_puts;
static sc_term_ioctl_t dumb_ioctl;
static sc_term_clear_t dumb_clear;
static sc_term_input_t dumb_input;
static void dumb_nop(void);
static sc_term_sw_t sc_term_dumb = {
{ NULL, NULL },
"dumb", /* emulator name */
"dumb terminal", /* description */
"*", /* matching renderer */
0, /* softc size */
0,
dumb_init,
dumb_term,
dumb_puts,
dumb_ioctl,
(sc_term_reset_t *)dumb_nop,
(sc_term_default_attr_t *)dumb_nop,
dumb_clear,
(sc_term_notify_t *)dumb_nop,
dumb_input,
};
SCTERM_MODULE(dumb, sc_term_dumb);
static int
dumb_init(scr_stat *scp, void **softc, int code)
{
switch (code) {
case SC_TE_COLD_INIT:
++sc_term_dumb.te_refcount;
break;
case SC_TE_WARM_INIT:
break;
}
return 0;
}
static int
dumb_term(scr_stat *scp, void **softc)
{
--sc_term_dumb.te_refcount;
return 0;
}
static void
dumb_puts(scr_stat *scp, u_char *buf, int len)
{
while (len > 0) {
++scp->sc->write_in_progress;
sc_term_gen_print(scp, &buf, &len, SC_NORM_ATTR << 8);
sc_term_gen_scroll(scp, scp->sc->scr_map[0x20],
SC_NORM_ATTR << 8);
--scp->sc->write_in_progress;
}
}
static int
dumb_ioctl(scr_stat *scp, struct tty *tp, u_long cmd, caddr_t data,
int flag, struct proc *p)
{
vid_info_t *vi;
switch (cmd) {
case GIO_ATTR: /* get current attributes */
*(int*)data = SC_NORM_ATTR;
return 0;
case CONS_GETINFO: /* get current (virtual) console info */
vi = (vid_info_t *)data;
if (vi->size != sizeof(struct vid_info))
return EINVAL;
vi->mv_norm.fore = SC_NORM_ATTR & 0x0f;
vi->mv_norm.back = (SC_NORM_ATTR >> 4) & 0x0f;
vi->mv_rev.fore = SC_NORM_ATTR & 0x0f;
vi->mv_rev.back = (SC_NORM_ATTR >> 4) & 0x0f;
/*
* The other fields are filled by the upper routine. XXX
*/
return ENOIOCTL;
}
return ENOIOCTL;
}
static void
dumb_clear(scr_stat *scp)
{
sc_move_cursor(scp, 0, 0);
sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], SC_NORM_ATTR << 8);
mark_all(scp);
}
static int
dumb_input(scr_stat *scp, int c, struct tty *tp)
{
return FALSE;
}
static void
dumb_nop(void)
{
/* nothing */
}
#endif /* SC_DUMB_TERMINAL */
#endif /* NSC > 1 */
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