151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
/*-
|
|
* 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 "opt_syscons.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.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 */
|