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freebsd-skq/sys/dev/syscons/syscons.c
yokota dde3bd678d - Fixed memory leak in sc_alloc_history_buffer(). 
- Correctly observe the variable `extra_history_size' when changing
  the size of history (scroll back) buffer.
- Added sc_free_history_buffer().

Pointed out by: des
1999-07-07 13:48:50 +00:00

4105 lines
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/*-
* Copyright (c) 1992-1998 Søren Schmidt
* 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,
* without modification, immediately at the beginning of the file.
* 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.
*
* $Id: syscons.c,v 1.312 1999/07/01 20:43:03 peter Exp $
*/
#include "sc.h"
#include "splash.h"
#include "opt_syscons.h"
#include "opt_ddb.h"
#include "opt_devfs.h"
#ifdef __i386__
#include "apm.h"
#endif
#if NSC > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/reboot.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
#include <sys/tty.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#ifdef DEVFS
#include <sys/devfsext.h>
#endif
#include <machine/clock.h>
#include <machine/cons.h>
#include <machine/console.h>
#include <machine/psl.h>
#include <machine/pc/display.h>
#ifdef __i386__
#include <machine/apm_bios.h>
#include <machine/frame.h>
#include <machine/random.h>
#endif
#include <dev/kbd/kbdreg.h>
#include <dev/fb/fbreg.h>
#include <dev/fb/splashreg.h>
#include <dev/syscons/syscons.h>
#define COLD 0
#define WARM 1
#define DEFAULT_BLANKTIME (5*60) /* 5 minutes */
#define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
#define KEYCODE_BS 0x0e /* "<-- Backspace" key, XXX */
static default_attr user_default = {
SC_NORM_ATTR << 8,
SC_NORM_REV_ATTR << 8,
};
static default_attr kernel_default = {
SC_KERNEL_CONS_ATTR << 8,
SC_KERNEL_CONS_REV_ATTR << 8,
};
static int sc_console_unit = -1;
static scr_stat *sc_console;
#ifdef DEVFS
static void *sc_mouse_devfs_token;
static void *sc_console_devfs_token;
#endif
static term_stat kernel_console;
static default_attr *current_default;
static char init_done = COLD;
static char shutdown_in_progress = FALSE;
static char sc_malloc = FALSE;
static int saver_mode = CONS_LKM_SAVER; /* LKM/user saver */
static int run_scrn_saver = FALSE; /* should run the saver? */
static long scrn_blank_time = 0; /* screen saver timeout value */
#if NSPLASH > 0
static int scrn_blanked; /* # of blanked screen */
static int sticky_splash = FALSE;
static void none_saver(sc_softc_t *sc, int blank) { }
static void (*current_saver)(sc_softc_t *, int) = none_saver;
#endif
#if !defined(SC_NO_FONT_LOADING) && defined(SC_DFLT_FONT)
#include "font.h"
#endif
d_ioctl_t *sc_user_ioctl;
static bios_values_t bios_value;
static struct tty sccons[2];
#define SC_MOUSE 128
#define SC_CONSOLECTL 255
#define VIRTUAL_TTY(sc, x) (&((sc)->tty[(x) - (sc)->first_vty]))
#define CONSOLE_TTY (&sccons[0])
#define MOUSE_TTY (&sccons[1])
#define debugger FALSE
#ifdef __i386__
#ifdef DDB
extern int in_Debugger;
#undef debugger
#define debugger in_Debugger
#endif /* DDB */
#endif /* __i386__ */
/* prototypes */
static int scvidprobe(int unit, int flags, int cons);
static int sckbdprobe(int unit, int flags, int cons);
static void scmeminit(void *arg);
static int scdevtounit(dev_t dev);
static kbd_callback_func_t sckbdevent;
static int scparam(struct tty *tp, struct termios *t);
static void scstart(struct tty *tp);
static void scmousestart(struct tty *tp);
static void scinit(int unit, int flags);
#if __i386__
static void scterm(int unit, int flags);
#endif
static void scshutdown(int howto, void *arg);
static u_int scgetc(sc_softc_t *sc, u_int flags);
#define SCGETC_CN 1
#define SCGETC_NONBLOCK 2
static int sccngetch(int flags);
static void sccnupdate(scr_stat *scp);
static scr_stat *alloc_scp(sc_softc_t *sc, int vty);
static void init_scp(sc_softc_t *sc, int vty, scr_stat *scp);
static timeout_t scrn_timer;
static int and_region(int *s1, int *e1, int s2, int e2);
static void scrn_update(scr_stat *scp, int show_cursor);
#if NSPLASH > 0
static int scsplash_callback(int event, void *arg);
static void scsplash_saver(sc_softc_t *sc, int show);
static int add_scrn_saver(void (*this_saver)(sc_softc_t *, int));
static int remove_scrn_saver(void (*this_saver)(sc_softc_t *, int));
static int set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border);
static int restore_scrn_saver_mode(scr_stat *scp, int changemode);
static void stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int));
static int wait_scrn_saver_stop(sc_softc_t *sc);
#define scsplash_stick(stick) (sticky_splash = (stick))
#else /* !NSPLASH */
#define scsplash_stick(stick)
#endif /* NSPLASH */
static int switch_scr(sc_softc_t *sc, u_int next_scr);
static int do_switch_scr(sc_softc_t *sc, int s);
static int vt_proc_alive(scr_stat *scp);
static int signal_vt_rel(scr_stat *scp);
static int signal_vt_acq(scr_stat *scp);
static void exchange_scr(sc_softc_t *sc);
static void scan_esc(scr_stat *scp, u_char c);
static void ansi_put(scr_stat *scp, u_char *buf, int len);
static void draw_cursor_image(scr_stat *scp);
static void remove_cursor_image(scr_stat *scp);
static void update_cursor_image(scr_stat *scp);
static void move_crsr(scr_stat *scp, int x, int y);
static int mask2attr(struct term_stat *term);
static int save_kbd_state(scr_stat *scp);
static int update_kbd_state(scr_stat *scp, int state, int mask);
static int update_kbd_leds(scr_stat *scp, int which);
static void do_bell(scr_stat *scp, int pitch, int duration);
static timeout_t blink_screen;
#define CDEV_MAJOR 12
static cn_probe_t sccnprobe;
static cn_init_t sccninit;
static cn_getc_t sccngetc;
static cn_checkc_t sccncheckc;
static cn_putc_t sccnputc;
static cn_term_t sccnterm;
#if __alpha__
void sccnattach(void);
#endif
CONS_DRIVER(sc, sccnprobe, sccninit, sccnterm, sccngetc, sccncheckc, sccnputc);
static d_open_t scopen;
static d_close_t scclose;
static d_read_t scread;
static d_write_t scwrite;
static d_ioctl_t scioctl;
static d_mmap_t scmmap;
static struct cdevsw sc_cdevsw = {
/* open */ scopen,
/* close */ scclose,
/* read */ scread,
/* write */ scwrite,
/* ioctl */ scioctl,
/* stop */ nostop,
/* reset */ noreset,
/* devtotty */ scdevtotty,
/* poll */ ttpoll,
/* mmap */ scmmap,
/* strategy */ nostrategy,
/* name */ "sc",
/* parms */ noparms,
/* maj */ CDEV_MAJOR,
/* dump */ nodump,
/* psize */ nopsize,
/* flags */ D_TTY,
/* maxio */ 0,
/* bmaj */ -1
};
int
sc_probe_unit(int unit, int flags)
{
if (!scvidprobe(unit, flags, FALSE)) {
if (bootverbose)
printf("sc%d: no video adapter is found.\n", unit);
return ENXIO;
}
return ((sckbdprobe(unit, flags, FALSE)) ? 0 : ENXIO);
}
/* probe video adapters, return TRUE if found */
static int
scvidprobe(int unit, int flags, int cons)
{
/*
* Access the video adapter driver through the back door!
* Video adapter drivers need to be configured before syscons.
* However, when syscons is being probed as the low-level console,
* they have not been initialized yet. We force them to initialize
* themselves here. XXX
*/
vid_configure(cons ? VIO_PROBE_ONLY : 0);
return (vid_find_adapter("*", unit) >= 0);
}
/* probe the keyboard, return TRUE if found */
static int
sckbdprobe(int unit, int flags, int cons)
{
/* access the keyboard driver through the backdoor! */
kbd_configure(cons ? KB_CONF_PROBE_ONLY : 0);
return (kbd_find_keyboard("*", unit) >= 0);
}
static char
*adapter_name(video_adapter_t *adp)
{
static struct {
int type;
char *name[2];
} names[] = {
{ KD_MONO, { "MDA", "MDA" } },
{ KD_HERCULES, { "Hercules", "Hercules" } },
{ KD_CGA, { "CGA", "CGA" } },
{ KD_EGA, { "EGA", "EGA (mono)" } },
{ KD_VGA, { "VGA", "VGA (mono)" } },
{ KD_PC98, { "PC-98x1", "PC-98x1" } },
{ KD_TGA, { "TGA", "TGA" } },
{ -1, { "Unknown", "Unknown" } },
};
int i;
for (i = 0; names[i].type != -1; ++i)
if (names[i].type == adp->va_type)
break;
return names[i].name[(adp->va_flags & V_ADP_COLOR) ? 0 : 1];
}
int
sc_attach_unit(int unit, int flags)
{
sc_softc_t *sc;
scr_stat *scp;
#ifdef SC_PIXEL_MODE
video_info_t info;
#endif
#ifdef DEVFS
int vc;
#endif
scmeminit(NULL); /* XXX */
flags &= ~SC_KERNEL_CONSOLE;
if (sc_console_unit == unit)
flags |= SC_KERNEL_CONSOLE;
scinit(unit, flags);
sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
sc->config = flags;
scp = sc->console[0];
if (sc_console == NULL) /* sc_console_unit < 0 */
sc_console = scp;
#ifdef SC_PIXEL_MODE
if ((sc->config & SC_VESA800X600)
&& ((*vidsw[sc->adapter]->get_info)(sc->adp, M_VESA_800x600, &info) == 0)) {
#if NSPLASH > 0
if (sc->flags & SC_SPLASH_SCRN)
splash_term(sc->adp);
#endif
sc_set_graphics_mode(scp, NULL, M_VESA_800x600);
sc_set_pixel_mode(scp, NULL, COL, ROW, 16);
sc->initial_mode = M_VESA_800x600;
#if NSPLASH > 0
/* put up the splash again! */
if (sc->flags & SC_SPLASH_SCRN)
splash_init(sc->adp, scsplash_callback, sc);
#endif
}
#endif /* SC_PIXEL_MODE */
/* initialize cursor */
if (!ISGRAPHSC(scp))
update_cursor_image(scp);
/* get screen update going */
scrn_timer(sc);
/* set up the keyboard */
kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
update_kbd_state(scp, scp->status, LOCK_MASK);
printf("sc%d: %s <%d virtual consoles, flags=0x%x>\n",
unit, adapter_name(sc->adp), sc->vtys, sc->config);
if (bootverbose) {
printf("sc%d:", unit);
if (sc->adapter >= 0)
printf(" fb%d", sc->adapter);
if (sc->keyboard >= 0)
printf(" kbd%d", sc->keyboard);
printf("\n");
}
/* register a shutdown callback for the kernel console */
if (sc_console_unit == unit)
at_shutdown(scshutdown, (void *)(uintptr_t)unit, SHUTDOWN_PRE_SYNC);
/*
* syscons's cdevsw must be registered from here. As syscons and
* pcvt share the same major number, their cdevsw cannot be
* registered at module loading/initialization time or by SYSINIT.
*/
cdevsw_add(&sc_cdevsw); /* XXX do this just once... */
#ifdef DEVFS
for (vc = sc->first_vty; vc < sc->first_vty + sc->vtys; vc++)
sc->devfs_token[vc] = devfs_add_devswf(&sc_cdevsw, vc,
DV_CHR, UID_ROOT, GID_WHEEL,
0600, "ttyv%r", vc);
if (scp == sc_console) {
#ifndef SC_NO_SYSMOUSE
sc_mouse_devfs_token = devfs_add_devswf(&sc_cdevsw, SC_MOUSE,
DV_CHR, UID_ROOT, GID_WHEEL,
0600, "sysmouse");
#endif /* SC_NO_SYSMOUSE */
sc_console_devfs_token = devfs_add_devswf(&sc_cdevsw, SC_CONSOLECTL,
DV_CHR, UID_ROOT, GID_WHEEL,
0600, "consolectl");
}
#endif /* DEVFS */
return 0;
}
static void
scmeminit(void *arg)
{
if (sc_malloc)
return;
sc_malloc = TRUE;
/*
* As soon as malloc() becomes functional, we had better allocate
* various buffers for the kernel console.
*/
if (sc_console_unit < 0)
return;
/* copy the temporary buffer to the final buffer */
sc_alloc_scr_buffer(sc_console, FALSE, FALSE);
#ifndef SC_NO_CUTPASTE
/* cut buffer is available only when the mouse pointer is used */
if (ISMOUSEAVAIL(sc_console->sc->adp->va_flags))
sc_alloc_cut_buffer(sc_console, FALSE);
#endif
#ifndef SC_NO_HISTORY
/* initialize history buffer & pointers */
sc_alloc_history_buffer(sc_console, 0, 0, FALSE);
#endif
}
/* XXX */
SYSINIT(sc_mem, SI_SUB_KMEM, SI_ORDER_ANY, scmeminit, NULL);
int
sc_resume_unit(int unit)
{
/* XXX should be moved to the keyboard driver? */
sc_softc_t *sc;
sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
if (sc->kbd != NULL)
kbd_clear_state(sc->kbd);
return 0;
}
struct tty
*scdevtotty(dev_t dev)
{
sc_softc_t *sc;
int vty = SC_VTY(dev);
int unit;
if (init_done == COLD)
return NULL;
if (vty == SC_CONSOLECTL)
return CONSOLE_TTY;
#ifndef SC_NO_SYSMOUSE
if (vty == SC_MOUSE)
return MOUSE_TTY;
#endif
unit = scdevtounit(dev);
sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
if (sc == NULL)
return NULL;
return VIRTUAL_TTY(sc, vty);
}
static int
scdevtounit(dev_t dev)
{
int vty = SC_VTY(dev);
if (vty == SC_CONSOLECTL)
return ((sc_console != NULL) ? sc_console->sc->unit : -1);
else if (vty == SC_MOUSE)
return -1;
else if ((vty < 0) || (vty >= MAXCONS*sc_max_unit()))
return -1;
else
return vty/MAXCONS;
}
int
scopen(dev_t dev, int flag, int mode, struct proc *p)
{
struct tty *tp = scdevtotty(dev);
int unit = scdevtounit(dev);
sc_softc_t *sc;
keyarg_t key;
int error;
if (!tp)
return(ENXIO);
DPRINTF(5, ("scopen: dev:%d,%d, unit:%d, vty:%d\n",
major(dev), minor(dev), unit, SC_VTY(dev)));
/* sc == NULL, if SC_VTY(dev) == SC_MOUSE */
sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
tp->t_oproc = (SC_VTY(dev) == SC_MOUSE) ? scmousestart : scstart;
tp->t_param = scparam;
tp->t_dev = dev;
if (!(tp->t_state & TS_ISOPEN)) {
ttychars(tp);
/* Use the current setting of the <-- key as default VERASE. */
/* If the Delete key is preferable, an stty is necessary */
if (sc != NULL) {
key.keynum = KEYCODE_BS;
kbd_ioctl(sc->kbd, GIO_KEYMAPENT, (caddr_t)&key);
tp->t_cc[VERASE] = key.key.map[0];
}
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
scparam(tp, &tp->t_termios);
(*linesw[tp->t_line].l_modem)(tp, 1);
#ifndef SC_NO_SYSMOUSE
if (SC_VTY(dev) == SC_MOUSE)
sc_mouse_set_level(0); /* XXX */
#endif
}
else
if (tp->t_state & TS_XCLUDE && suser(p))
return(EBUSY);
error = (*linesw[tp->t_line].l_open)(dev, tp);
if ((SC_VTY(dev) != SC_CONSOLECTL) && (SC_VTY(dev) != SC_MOUSE)) {
/* assert(sc != NULL) */
if (sc->console[SC_VTY(dev) - sc->first_vty] == NULL) {
sc->console[SC_VTY(dev) - sc->first_vty]
= alloc_scp(sc, SC_VTY(dev));
if (ISGRAPHSC(sc->console[SC_VTY(dev) - sc->first_vty]))
sc_set_pixel_mode(sc->console[SC_VTY(dev) - sc->first_vty],
NULL, COL, ROW, 16);
}
if (!tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
tp->t_winsize.ws_col
= sc->console[SC_VTY(dev) - sc->first_vty]->xsize;
tp->t_winsize.ws_row
= sc->console[SC_VTY(dev) - sc->first_vty]->ysize;
}
}
return error;
}
int
scclose(dev_t dev, int flag, int mode, struct proc *p)
{
struct tty *tp = scdevtotty(dev);
struct scr_stat *scp;
int s;
if (!tp)
return(ENXIO);
if ((SC_VTY(dev) != SC_CONSOLECTL) && (SC_VTY(dev) != SC_MOUSE)) {
scp = sc_get_scr_stat(tp->t_dev);
/* were we in the middle of the VT switching process? */
DPRINTF(5, ("sc%d: scclose(), ", scp->sc->unit));
s = spltty();
if ((scp == scp->sc->cur_scp) && (scp->sc->unit == sc_console_unit))
cons_unavail = FALSE;
if (scp->status & SWITCH_WAIT_REL) {
/* assert(scp == scp->sc->cur_scp) */
DPRINTF(5, ("reset WAIT_REL, "));
scp->status &= ~SWITCH_WAIT_REL;
do_switch_scr(scp->sc, s);
}
if (scp->status & SWITCH_WAIT_ACQ) {
/* assert(scp == scp->sc->cur_scp) */
DPRINTF(5, ("reset WAIT_ACQ, "));
scp->status &= ~SWITCH_WAIT_ACQ;
scp->sc->switch_in_progress = 0;
}
#if not_yet_done
if (scp == &main_console) {
scp->pid = 0;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
}
else {
sc_vtb_destroy(&scp->vtb);
sc_vtb_destroy(&scp->scr);
sc_free_history_buffer(scp, scp->ysize);
free(scp, M_DEVBUF);
sc->console[SC_VTY(dev) - sc->first_vty] = NULL;
}
#else
scp->pid = 0;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
#endif
scp->kbd_mode = K_XLATE;
if (scp == scp->sc->cur_scp)
kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
DPRINTF(5, ("done.\n"));
}
spltty();
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
spl0();
return(0);
}
int
scread(dev_t dev, struct uio *uio, int flag)
{
struct tty *tp = scdevtotty(dev);
if (!tp)
return(ENXIO);
sc_touch_scrn_saver();
return((*linesw[tp->t_line].l_read)(tp, uio, flag));
}
int
scwrite(dev_t dev, struct uio *uio, int flag)
{
struct tty *tp = scdevtotty(dev);
if (!tp)
return(ENXIO);
return((*linesw[tp->t_line].l_write)(tp, uio, flag));
}
static int
sckbdevent(keyboard_t *thiskbd, int event, void *arg)
{
sc_softc_t *sc;
struct tty *cur_tty;
int c;
size_t len;
u_char *cp;
sc = (sc_softc_t *)arg;
/* assert(thiskbd == sc->kbd) */
switch (event) {
case KBDIO_KEYINPUT:
break;
case KBDIO_UNLOADING:
sc->kbd = NULL;
kbd_release(thiskbd, (void *)&sc->keyboard);
return 0;
default:
return EINVAL;
}
/*
* Loop while there is still input to get from the keyboard.
* I don't think this is nessesary, and it doesn't fix
* the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
*/
while ((c = scgetc(sc, SCGETC_NONBLOCK)) != NOKEY) {
cur_tty = VIRTUAL_TTY(sc, sc->cur_scp->index);
/* XXX */
if (!(cur_tty->t_state & TS_ISOPEN))
if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN))
continue;
switch (KEYFLAGS(c)) {
case 0x0000: /* normal key */
(*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
break;
case FKEY: /* function key, return string */
cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len);
if (cp != NULL) {
while (len-- > 0)
(*linesw[cur_tty->t_line].l_rint)(*cp++, cur_tty);
}
break;
case MKEY: /* meta is active, prepend ESC */
(*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
(*linesw[cur_tty->t_line].l_rint)(KEYCHAR(c), cur_tty);
break;
case BKEY: /* backtab fixed sequence (esc [ Z) */
(*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
(*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
(*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
break;
}
}
#ifndef SC_NO_CUTPASTE
if (sc->cur_scp->status & MOUSE_VISIBLE) {
sc_remove_mouse_image(sc->cur_scp);
sc->cur_scp->status &= ~MOUSE_VISIBLE;
}
#endif /* SC_NO_CUTPASTE */
return 0;
}
static int
scparam(struct tty *tp, struct termios *t)
{
tp->t_ispeed = t->c_ispeed;
tp->t_ospeed = t->c_ospeed;
tp->t_cflag = t->c_cflag;
return 0;
}
int
scioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
{
int error;
int i;
struct tty *tp;
sc_softc_t *sc;
scr_stat *scp;
int s;
tp = scdevtotty(dev);
if (!tp)
return ENXIO;
/* If there is a user_ioctl function call that first */
if (sc_user_ioctl) {
error = (*sc_user_ioctl)(dev, cmd, data, flag, p);
if (error != ENOIOCTL)
return error;
}
error = sc_vid_ioctl(tp, cmd, data, flag, p);
if (error != ENOIOCTL)
return error;
#ifndef SC_NO_HISTORY
error = sc_hist_ioctl(tp, cmd, data, flag, p);
if (error != ENOIOCTL)
return error;
#endif
#ifndef SC_NO_SYSMOUSE
error = sc_mouse_ioctl(tp, cmd, data, flag, p);
if (error != ENOIOCTL)
return error;
if (SC_VTY(dev) == SC_MOUSE) {
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
if (error != ENOIOCTL)
return error;
error = ttioctl(tp, cmd, data, flag);
if (error != ENOIOCTL)
return error;
return ENOTTY;
}
#endif
scp = sc_get_scr_stat(tp->t_dev);
/* assert(scp != NULL) */
/* scp is sc_console, if SC_VTY(dev) == SC_CONSOLECTL. */
sc = scp->sc;
switch (cmd) { /* process console hardware related ioctl's */
case GIO_ATTR: /* get current attributes */
*(int*)data = (scp->term.cur_attr >> 8) & 0xFF;
return 0;
case GIO_COLOR: /* is this a color console ? */
*(int *)data = (sc->adp->va_flags & V_ADP_COLOR) ? 1 : 0;
return 0;
case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME)
return EINVAL;
s = spltty();
scrn_blank_time = *(int *)data;
run_scrn_saver = (scrn_blank_time != 0);
splx(s);
return 0;
case CONS_CURSORTYPE: /* set cursor type blink/noblink */
if (!ISGRAPHSC(sc->cur_scp))
remove_cursor_image(sc->cur_scp);
if ((*(int*)data) & 0x01)
sc->flags |= SC_BLINK_CURSOR;
else
sc->flags &= ~SC_BLINK_CURSOR;
if ((*(int*)data) & 0x02) {
sc->flags |= SC_CHAR_CURSOR;
} else
sc->flags &= ~SC_CHAR_CURSOR;
/*
* The cursor shape is global property; all virtual consoles
* are affected. Update the cursor in the current console...
*/
if (!ISGRAPHSC(sc->cur_scp)) {
s = spltty();
sc_set_cursor_image(sc->cur_scp);
draw_cursor_image(sc->cur_scp);
splx(s);
}
return 0;
case CONS_BELLTYPE: /* set bell type sound/visual */
if ((*(int *)data) & 0x01)
sc->flags |= SC_VISUAL_BELL;
else
sc->flags &= ~SC_VISUAL_BELL;
if ((*(int *)data) & 0x02)
sc->flags |= SC_QUIET_BELL;
else
sc->flags &= ~SC_QUIET_BELL;
return 0;
case CONS_GETINFO: /* get current (virtual) console info */
{
vid_info_t *ptr = (vid_info_t*)data;
if (ptr->size == sizeof(struct vid_info)) {
ptr->m_num = sc->cur_scp->index;
ptr->mv_col = scp->xpos;
ptr->mv_row = scp->ypos;
ptr->mv_csz = scp->xsize;
ptr->mv_rsz = scp->ysize;
ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8;
ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12;
ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8;
ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12;
ptr->mv_grfc.fore = 0; /* not supported */
ptr->mv_grfc.back = 0; /* not supported */
ptr->mv_ovscan = scp->border;
if (scp == sc->cur_scp)
save_kbd_state(scp);
ptr->mk_keylock = scp->status & LOCK_MASK;
return 0;
}
return EINVAL;
}
case CONS_GETVERS: /* get version number */
*(int*)data = 0x200; /* version 2.0 */
return 0;
case CONS_IDLE: /* see if the screen has been idle */
/*
* When the screen is in the GRAPHICS_MODE or UNKNOWN_MODE,
* the user process may have been writing something on the
* screen and syscons is not aware of it. Declare the screen
* is NOT idle if it is in one of these modes. But there is
* an exception to it; if a screen saver is running in the
* graphics mode in the current screen, we should say that the
* screen has been idle.
*/
*(int *)data = (sc->flags & SC_SCRN_IDLE)
&& (!ISGRAPHSC(sc->cur_scp)
|| (sc->cur_scp->status & SAVER_RUNNING));
return 0;
case CONS_SAVERMODE: /* set saver mode */
switch(*(int *)data) {
case CONS_USR_SAVER:
/* if a LKM screen saver is running, stop it first. */
scsplash_stick(FALSE);
saver_mode = *(int *)data;
s = spltty();
#if NSPLASH > 0
if ((error = wait_scrn_saver_stop(NULL))) {
splx(s);
return error;
}
#endif /* NSPLASH */
run_scrn_saver = TRUE;
scp->status |= SAVER_RUNNING;
scsplash_stick(TRUE);
splx(s);
break;
case CONS_LKM_SAVER:
s = spltty();
if ((saver_mode == CONS_USR_SAVER) && (scp->status & SAVER_RUNNING))
scp->status &= ~SAVER_RUNNING;
saver_mode = *(int *)data;
splx(s);
break;
default:
return EINVAL;
}
return 0;
case CONS_SAVERSTART: /* immediately start/stop the screen saver */
/*
* Note that this ioctl does not guarantee the screen saver
* actually starts or stops. It merely attempts to do so...
*/
s = spltty();
run_scrn_saver = (*(int *)data != 0);
if (run_scrn_saver)
sc->scrn_time_stamp -= scrn_blank_time;
splx(s);
return 0;
case VT_SETMODE: /* set screen switcher mode */
{
struct vt_mode *mode;
mode = (struct vt_mode *)data;
DPRINTF(5, ("sc%d: VT_SETMODE ", sc->unit));
if (scp->smode.mode == VT_PROCESS) {
if (scp->proc == pfind(scp->pid) && scp->proc != p) {
DPRINTF(5, ("error EPERM\n"));
return EPERM;
}
}
s = spltty();
if (mode->mode == VT_AUTO) {
scp->smode.mode = VT_AUTO;
scp->proc = NULL;
scp->pid = 0;
DPRINTF(5, ("VT_AUTO, "));
if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
cons_unavail = FALSE;
/* were we in the middle of the vty switching process? */
if (scp->status & SWITCH_WAIT_REL) {
/* assert(scp == scp->sc->cur_scp) */
DPRINTF(5, ("reset WAIT_REL, "));
scp->status &= ~SWITCH_WAIT_REL;
s = do_switch_scr(sc, s);
}
if (scp->status & SWITCH_WAIT_ACQ) {
/* assert(scp == scp->sc->cur_scp) */
DPRINTF(5, ("reset WAIT_ACQ, "));
scp->status &= ~SWITCH_WAIT_ACQ;
sc->switch_in_progress = 0;
}
} else {
if (!ISSIGVALID(mode->relsig) || !ISSIGVALID(mode->acqsig)
|| !ISSIGVALID(mode->frsig)) {
splx(s);
DPRINTF(5, ("error EINVAL\n"));
return EINVAL;
}
DPRINTF(5, ("VT_PROCESS %d, ", p->p_pid));
bcopy(data, &scp->smode, sizeof(struct vt_mode));
scp->proc = p;
scp->pid = scp->proc->p_pid;
if ((scp == sc->cur_scp) && (sc->unit == sc_console_unit))
cons_unavail = TRUE;
}
splx(s);
DPRINTF(5, ("\n"));
return 0;
}
case VT_GETMODE: /* get screen switcher mode */
bcopy(&scp->smode, data, sizeof(struct vt_mode));
return 0;
case VT_RELDISP: /* screen switcher ioctl */
s = spltty();
/*
* This must be the current vty which is in the VT_PROCESS
* switching mode...
*/
if ((scp != sc->cur_scp) || (scp->smode.mode != VT_PROCESS)) {
splx(s);
return EINVAL;
}
/* ...and this process is controlling it. */
if (scp->proc != p) {
splx(s);
return EPERM;
}
error = EINVAL;
switch(*(int *)data) {
case VT_FALSE: /* user refuses to release screen, abort */
if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) {
sc->old_scp->status &= ~SWITCH_WAIT_REL;
sc->switch_in_progress = 0;
DPRINTF(5, ("sc%d: VT_FALSE\n", sc->unit));
error = 0;
}
break;
case VT_TRUE: /* user has released screen, go on */
if ((scp == sc->old_scp) && (scp->status & SWITCH_WAIT_REL)) {
scp->status &= ~SWITCH_WAIT_REL;
s = do_switch_scr(sc, s);
DPRINTF(5, ("sc%d: VT_TRUE\n", sc->unit));
error = 0;
}
break;
case VT_ACKACQ: /* acquire acknowledged, switch completed */
if ((scp == sc->new_scp) && (scp->status & SWITCH_WAIT_ACQ)) {
scp->status &= ~SWITCH_WAIT_ACQ;
sc->switch_in_progress = 0;
DPRINTF(5, ("sc%d: VT_ACKACQ\n", sc->unit));
error = 0;
}
break;
default:
break;
}
splx(s);
return error;
case VT_OPENQRY: /* return free virtual console */
for (i = sc->first_vty; i < sc->first_vty + sc->vtys; i++) {
tp = VIRTUAL_TTY(sc, i);
if (!(tp->t_state & TS_ISOPEN)) {
*(int *)data = i + 1;
return 0;
}
}
return EINVAL;
case VT_ACTIVATE: /* switch to screen *data */
s = spltty();
sc_clean_up(sc->cur_scp);
splx(s);
return switch_scr(sc, *(int *)data - 1);
case VT_WAITACTIVE: /* wait for switch to occur */
if ((*(int *)data >= sc->first_vty + sc->vtys)
|| (*(int *)data < sc->first_vty))
return EINVAL;
s = spltty();
error = sc_clean_up(sc->cur_scp);
splx(s);
if (error)
return error;
if (*(int *)data != 0)
scp = sc->console[*(int *)data - 1 - sc->first_vty];
if (scp == scp->sc->cur_scp)
return 0;
while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH,
"waitvt", 0)) == ERESTART) ;
return error;
case VT_GETACTIVE: /* get active vty # */
*(int *)data = sc->cur_scp->index + 1;
return 0;
case VT_GETINDEX: /* get this vty # */
*(int *)data = scp->index + 1;
return 0;
case KDENABIO: /* allow io operations */
error = suser(p);
if (error != 0)
return error;
if (securelevel > 0)
return EPERM;
#ifdef __i386__
p->p_md.md_regs->tf_eflags |= PSL_IOPL;
#endif
return 0;
case KDDISABIO: /* disallow io operations (default) */
#ifdef __i386__
p->p_md.md_regs->tf_eflags &= ~PSL_IOPL;
#endif
return 0;
case KDSKBSTATE: /* set keyboard state (locks) */
if (*(int *)data & ~LOCK_MASK)
return EINVAL;
scp->status &= ~LOCK_MASK;
scp->status |= *(int *)data;
if (scp == sc->cur_scp)
update_kbd_state(scp, scp->status, LOCK_MASK);
return 0;
case KDGKBSTATE: /* get keyboard state (locks) */
if (scp == sc->cur_scp)
save_kbd_state(scp);
*(int *)data = scp->status & LOCK_MASK;
return 0;
case KDSETREPEAT: /* set keyboard repeat & delay rates (new) */
error = kbd_ioctl(sc->kbd, cmd, data);
if (error == ENOIOCTL)
error = ENODEV;
return error;
case KDSETRAD: /* set keyboard repeat & delay rates (old) */
if (*(int *)data & ~0x7f)
return EINVAL;
error = kbd_ioctl(sc->kbd, cmd, data);
if (error == ENOIOCTL)
error = ENODEV;
return error;
case KDSKBMODE: /* set keyboard mode */
switch (*(int *)data) {
case K_XLATE: /* switch to XLT ascii mode */
case K_RAW: /* switch to RAW scancode mode */
case K_CODE: /* switch to CODE mode */
scp->kbd_mode = *(int *)data;
if (scp == sc->cur_scp)
kbd_ioctl(sc->kbd, cmd, data);
return 0;
default:
return EINVAL;
}
/* NOT REACHED */
case KDGKBMODE: /* get keyboard mode */
*(int *)data = scp->kbd_mode;
return 0;
case KDGKBINFO:
error = kbd_ioctl(sc->kbd, cmd, data);
if (error == ENOIOCTL)
error = ENODEV;
return error;
case KDMKTONE: /* sound the bell */
if (*(int*)data)
do_bell(scp, (*(int*)data)&0xffff,
(((*(int*)data)>>16)&0xffff)*hz/1000);
else
do_bell(scp, scp->bell_pitch, scp->bell_duration);
return 0;
case KIOCSOUND: /* make tone (*data) hz */
if (scp == sc->cur_scp) {
if (*(int *)data)
return sc_tone(*(int *)data);
else
return sc_tone(0);
}
return 0;
case KDGKBTYPE: /* get keyboard type */
error = kbd_ioctl(sc->kbd, cmd, data);
if (error == ENOIOCTL) {
/* always return something? XXX */
*(int *)data = 0;
}
return 0;
case KDSETLED: /* set keyboard LED status */
if (*(int *)data & ~LED_MASK) /* FIXME: LOCK_MASK? */
return EINVAL;
scp->status &= ~LED_MASK;
scp->status |= *(int *)data;
if (scp == sc->cur_scp)
update_kbd_leds(scp, scp->status);
return 0;
case KDGETLED: /* get keyboard LED status */
if (scp == sc->cur_scp)
save_kbd_state(scp);
*(int *)data = scp->status & LED_MASK;
return 0;
case CONS_SETKBD: /* set the new keyboard */
{
keyboard_t *newkbd;
s = spltty();
newkbd = kbd_get_keyboard(*(int *)data);
if (newkbd == NULL) {
splx(s);
return EINVAL;
}
error = 0;
if (sc->kbd != newkbd) {
i = kbd_allocate(newkbd->kb_name, newkbd->kb_unit,
(void *)&sc->keyboard, sckbdevent, sc);
/* i == newkbd->kb_index */
if (i >= 0) {
if (sc->kbd != NULL) {
save_kbd_state(sc->cur_scp);
kbd_release(sc->kbd, (void *)&sc->keyboard);
}
sc->kbd = kbd_get_keyboard(i); /* sc->kbd == newkbd */
sc->keyboard = i;
kbd_ioctl(sc->kbd, KDSKBMODE,
(caddr_t)&sc->cur_scp->kbd_mode);
update_kbd_state(sc->cur_scp, sc->cur_scp->status,
LOCK_MASK);
} else {
error = EPERM; /* XXX */
}
}
splx(s);
return error;
}
case CONS_RELKBD: /* release the current keyboard */
s = spltty();
error = 0;
if (sc->kbd != NULL) {
save_kbd_state(sc->cur_scp);
error = kbd_release(sc->kbd, (void *)&sc->keyboard);
if (error == 0) {
sc->kbd = NULL;
sc->keyboard = -1;
}
}
splx(s);
return error;
case GIO_SCRNMAP: /* get output translation table */
bcopy(&sc->scr_map, data, sizeof(sc->scr_map));
return 0;
case PIO_SCRNMAP: /* set output translation table */
bcopy(data, &sc->scr_map, sizeof(sc->scr_map));
for (i=0; i<sizeof(sc->scr_map); i++) {
sc->scr_rmap[sc->scr_map[i]] = i;
}
return 0;
case GIO_KEYMAP: /* get keyboard translation table */
case PIO_KEYMAP: /* set keyboard translation table */
case GIO_DEADKEYMAP: /* get accent key translation table */
case PIO_DEADKEYMAP: /* set accent key translation table */
case GETFKEY: /* get function key string */
case SETFKEY: /* set function key string */
error = kbd_ioctl(sc->kbd, cmd, data);
if (error == ENOIOCTL)
error = ENODEV;
return error;
#ifndef SC_NO_FONT_LOADING
case PIO_FONT8x8: /* set 8x8 dot font */
if (!ISFONTAVAIL(sc->adp->va_flags))
return ENXIO;
bcopy(data, sc->font_8, 8*256);
sc->fonts_loaded |= FONT_8;
/*
* FONT KLUDGE
* Always use the font page #0. XXX
* Don't load if the current font size is not 8x8.
*/
if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size < 14))
copy_font(sc->cur_scp, LOAD, 8, sc->font_8);
return 0;
case GIO_FONT8x8: /* get 8x8 dot font */
if (!ISFONTAVAIL(sc->adp->va_flags))
return ENXIO;
if (sc->fonts_loaded & FONT_8) {
bcopy(sc->font_8, data, 8*256);
return 0;
}
else
return ENXIO;
case PIO_FONT8x14: /* set 8x14 dot font */
if (!ISFONTAVAIL(sc->adp->va_flags))
return ENXIO;
bcopy(data, sc->font_14, 14*256);
sc->fonts_loaded |= FONT_14;
/*
* FONT KLUDGE
* Always use the font page #0. XXX
* Don't load if the current font size is not 8x14.
*/
if (ISTEXTSC(sc->cur_scp)
&& (sc->cur_scp->font_size >= 14)
&& (sc->cur_scp->font_size < 16))
copy_font(sc->cur_scp, LOAD, 14, sc->font_14);
return 0;
case GIO_FONT8x14: /* get 8x14 dot font */
if (!ISFONTAVAIL(sc->adp->va_flags))
return ENXIO;
if (sc->fonts_loaded & FONT_14) {
bcopy(sc->font_14, data, 14*256);
return 0;
}
else
return ENXIO;
case PIO_FONT8x16: /* set 8x16 dot font */
if (!ISFONTAVAIL(sc->adp->va_flags))
return ENXIO;
bcopy(data, sc->font_16, 16*256);
sc->fonts_loaded |= FONT_16;
/*
* FONT KLUDGE
* Always use the font page #0. XXX
* Don't load if the current font size is not 8x16.
*/
if (ISTEXTSC(sc->cur_scp) && (sc->cur_scp->font_size >= 16))
copy_font(sc->cur_scp, LOAD, 16, sc->font_16);
return 0;
case GIO_FONT8x16: /* get 8x16 dot font */
if (!ISFONTAVAIL(sc->adp->va_flags))
return ENXIO;
if (sc->fonts_loaded & FONT_16) {
bcopy(sc->font_16, data, 16*256);
return 0;
}
else
return ENXIO;
#endif /* SC_NO_FONT_LOADING */
default:
break;
}
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
if (error != ENOIOCTL)
return(error);
error = ttioctl(tp, cmd, data, flag);
if (error != ENOIOCTL)
return(error);
return(ENOTTY);
}
static void
scstart(struct tty *tp)
{
struct clist *rbp;
int s, len;
u_char buf[PCBURST];
scr_stat *scp = sc_get_scr_stat(tp->t_dev);
if (scp->status & SLKED || scp->sc->blink_in_progress)
return;
s = spltty();
if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
tp->t_state |= TS_BUSY;
rbp = &tp->t_outq;
while (rbp->c_cc) {
len = q_to_b(rbp, buf, PCBURST);
splx(s);
ansi_put(scp, buf, len);
s = spltty();
}
tp->t_state &= ~TS_BUSY;
ttwwakeup(tp);
}
splx(s);
}
static void
scmousestart(struct tty *tp)
{
struct clist *rbp;
int s;
u_char buf[PCBURST];
s = spltty();
if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
tp->t_state |= TS_BUSY;
rbp = &tp->t_outq;
while (rbp->c_cc) {
q_to_b(rbp, buf, PCBURST);
}
tp->t_state &= ~TS_BUSY;
ttwwakeup(tp);
}
splx(s);
}
static void
sccnprobe(struct consdev *cp)
{
#if __i386__
int unit;
int flags;
cp->cn_pri = sc_get_cons_priority(&unit, &flags);
/* a video card is always required */
if (!scvidprobe(unit, flags, TRUE))
cp->cn_pri = CN_DEAD;
/* syscons will become console even when there is no keyboard */
sckbdprobe(unit, flags, TRUE);
if (cp->cn_pri == CN_DEAD)
return;
/* initialize required fields */
cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLECTL);
#endif /* __i386__ */
#if __alpha__
/*
* alpha use sccnattach() rather than cnprobe()/cninit()/cnterm()
* interface to install the console. Always return CN_DEAD from
* here.
*/
cp->cn_pri = CN_DEAD;
#endif /* __alpha__ */
}
static void
sccninit(struct consdev *cp)
{
#if __i386__
int unit;
int flags;
sc_get_cons_priority(&unit, &flags);
scinit(unit, flags | SC_KERNEL_CONSOLE);
sc_console_unit = unit;
sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console[0];
#endif /* __i386__ */
#if __alpha__
/* SHOULDN'T REACH HERE */
#endif /* __alpha__ */
}
static void
sccnterm(struct consdev *cp)
{
/* we are not the kernel console any more, release everything */
if (sc_console_unit < 0)
return; /* shouldn't happen */
#if __i386__
#if 0 /* XXX */
sc_clear_screen(sc_console);
sccnupdate(sc_console);
#endif
scterm(sc_console_unit, SC_KERNEL_CONSOLE);
sc_console_unit = -1;
sc_console = NULL;
#endif /* __i386__ */
#if __alpha__
/* do nothing XXX */
#endif /* __alpha__ */
}
#ifdef __alpha__
extern struct consdev *cn_tab;
void
sccnattach(void)
{
static struct consdev consdev;
int unit;
int flags;
bcopy(&sc_consdev, &consdev, sizeof(sc_consdev));
consdev.cn_pri = sc_get_cons_priority(&unit, &flags);
/* a video card is always required */
if (!scvidprobe(unit, flags, TRUE))
consdev.cn_pri = CN_DEAD;
/* alpha doesn't allow the console being without a keyboard... Why? */
if (!sckbdprobe(unit, flags, TRUE))
consdev.cn_pri = CN_DEAD;
if (consdev.cn_pri == CN_DEAD)
return;
scinit(unit, flags | SC_KERNEL_CONSOLE);
sc_console_unit = unit;
sc_console = sc_get_softc(unit, SC_KERNEL_CONSOLE)->console[0];
consdev.cn_dev = makedev(CDEV_MAJOR, 0);
cn_tab = &consdev;
}
#endif /* __alpha__ */
static void
sccnputc(dev_t dev, int c)
{
u_char buf[1];
scr_stat *scp = sc_console;
term_stat save = scp->term;
int s;
/* assert(sc_console != NULL) */
#ifndef SC_NO_HISTORY
if (scp == scp->sc->cur_scp && scp->status & SLKED) {
scp->status &= ~SLKED;
update_kbd_state(scp, scp->status, SLKED);
if (scp->status & BUFFER_SAVED) {
if (!sc_hist_restore(scp))
sc_remove_cutmarking(scp);
scp->status &= ~BUFFER_SAVED;
scp->status |= CURSOR_ENABLED;
draw_cursor_image(scp);
}
scstart(VIRTUAL_TTY(scp->sc, scp->index));
}
#endif /* !SC_NO_HISTORY */
scp->term = kernel_console;
current_default = &kernel_default;
buf[0] = c;
ansi_put(scp, buf, 1);
kernel_console = scp->term;
current_default = &user_default;
scp->term = save;
s = spltty(); /* block sckbdevent and scrn_timer */
sccnupdate(scp);
splx(s);
}
static int
sccngetc(dev_t dev)
{
return sccngetch(0);
}
static int
sccncheckc(dev_t dev)
{
return sccngetch(SCGETC_NONBLOCK);
}
static int
sccngetch(int flags)
{
static struct fkeytab fkey;
static int fkeycp;
scr_stat *scp;
u_char *p;
int cur_mode;
int s = spltty(); /* block sckbdevent and scrn_timer while we poll */
int c;
/* assert(sc_console != NULL) */
/*
* Stop the screen saver and update the screen if necessary.
* What if we have been running in the screen saver code... XXX
*/
sc_touch_scrn_saver();
scp = sc_console->sc->cur_scp; /* XXX */
sccnupdate(scp);
if (fkeycp < fkey.len) {
splx(s);
return fkey.str[fkeycp++];
}
if (scp->sc->kbd == NULL) {
splx(s);
return -1;
}
/*
* Make sure the keyboard is accessible even when the kbd device
* driver is disabled.
*/
kbd_enable(scp->sc->kbd);
/* we shall always use the keyboard in the XLATE mode here */
cur_mode = scp->kbd_mode;
scp->kbd_mode = K_XLATE;
kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
kbd_poll(scp->sc->kbd, TRUE);
c = scgetc(scp->sc, SCGETC_CN | flags);
kbd_poll(scp->sc->kbd, FALSE);
scp->kbd_mode = cur_mode;
kbd_ioctl(scp->sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
kbd_disable(scp->sc->kbd);
splx(s);
switch (KEYFLAGS(c)) {
case 0: /* normal char */
return KEYCHAR(c);
case FKEY: /* function key */
p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
fkey.len = fkeycp;
if ((p != NULL) && (fkey.len > 0)) {
bcopy(p, fkey.str, fkey.len);
fkeycp = 1;
return fkey.str[0];
}
return c; /* XXX */
case NOKEY:
case ERRKEY:
default:
return -1;
}
/* NOT REACHED */
}
static void
sccnupdate(scr_stat *scp)
{
/* this is a cut-down version of scrn_timer()... */
if (scp->sc->font_loading_in_progress || scp->sc->videoio_in_progress)
return;
if (debugger || panicstr || shutdown_in_progress) {
sc_touch_scrn_saver();
} else if (scp != scp->sc->cur_scp) {
return;
}
if (!run_scrn_saver)
scp->sc->flags &= ~SC_SCRN_IDLE;
#if NSPLASH > 0
if ((saver_mode != CONS_LKM_SAVER) || !(scp->sc->flags & SC_SCRN_IDLE))
if (scp->sc->flags & SC_SCRN_BLANKED)
stop_scrn_saver(scp->sc, current_saver);
#endif /* NSPLASH */
if (scp != scp->sc->cur_scp || scp->sc->blink_in_progress
|| scp->sc->switch_in_progress)
return;
/*
* FIXME: unlike scrn_timer(), we call scrn_update() from here even
* when write_in_progress is non-zero. XXX
*/
if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING))
scrn_update(scp, TRUE);
}
scr_stat
*sc_get_scr_stat(dev_t dev)
{
sc_softc_t *sc;
int vty = SC_VTY(dev);
int unit;
if (vty < 0)
return NULL;
if (vty == SC_CONSOLECTL)
return sc_console;
unit = scdevtounit(dev);
sc = sc_get_softc(unit, (sc_console_unit == unit) ? SC_KERNEL_CONSOLE : 0);
if (sc == NULL)
return NULL;
if ((sc->first_vty <= vty) && (vty < sc->first_vty + sc->vtys))
return sc->console[vty - sc->first_vty];
return NULL;
}
static void
scrn_timer(void *arg)
{
static int kbd_interval = 0;
struct timeval tv;
sc_softc_t *sc;
scr_stat *scp;
int again;
int s;
again = (arg != NULL);
if (arg != NULL)
sc = (sc_softc_t *)arg;
else if (sc_console != NULL)
sc = sc_console->sc;
else
return;
/* don't do anything when we are performing some I/O operations */
if (sc->font_loading_in_progress || sc->videoio_in_progress) {
if (again)
timeout(scrn_timer, sc, hz / 10);
return;
}
s = spltty();
if ((sc->kbd == NULL) && (sc->config & SC_AUTODETECT_KBD)) {
/* try to allocate a keyboard automatically */
if (++kbd_interval >= 25) {
sc->keyboard = kbd_allocate("*", -1, (void *)&sc->keyboard,
sckbdevent, sc);
if (sc->keyboard >= 0) {
sc->kbd = kbd_get_keyboard(sc->keyboard);
kbd_ioctl(sc->kbd, KDSKBMODE,
(caddr_t)&sc->cur_scp->kbd_mode);
update_kbd_state(sc->cur_scp, sc->cur_scp->status,
LOCK_MASK);
}
kbd_interval = 0;
}
}
/* find the vty to update */
scp = sc->cur_scp;
/* should we stop the screen saver? */
getmicrouptime(&tv);
if (debugger || panicstr || shutdown_in_progress)
sc_touch_scrn_saver();
if (run_scrn_saver) {
if (tv.tv_sec > sc->scrn_time_stamp + scrn_blank_time)
sc->flags |= SC_SCRN_IDLE;
else
sc->flags &= ~SC_SCRN_IDLE;
} else {
sc->scrn_time_stamp = tv.tv_sec;
sc->flags &= ~SC_SCRN_IDLE;
if (scrn_blank_time > 0)
run_scrn_saver = TRUE;
}
#if NSPLASH > 0
if ((saver_mode != CONS_LKM_SAVER) || !(sc->flags & SC_SCRN_IDLE))
if (sc->flags & SC_SCRN_BLANKED)
stop_scrn_saver(sc, current_saver);
#endif /* NSPLASH */
/* should we just return ? */
if (sc->blink_in_progress || sc->switch_in_progress
|| sc->write_in_progress) {
if (again)
timeout(scrn_timer, sc, hz / 10);
splx(s);
return;
}
/* Update the screen */
scp = sc->cur_scp; /* cur_scp may have changed... */
if (!ISGRAPHSC(scp) && !(scp->status & SAVER_RUNNING))
scrn_update(scp, TRUE);
#if NSPLASH > 0
/* should we activate the screen saver? */
if ((saver_mode == CONS_LKM_SAVER) && (sc->flags & SC_SCRN_IDLE))
if (!ISGRAPHSC(scp) || (sc->flags & SC_SCRN_BLANKED))
(*current_saver)(sc, TRUE);
#endif /* NSPLASH */
if (again)
timeout(scrn_timer, sc, hz / 25);
splx(s);
}
static int
and_region(int *s1, int *e1, int s2, int e2)
{
if (*e1 < s2 || e2 < *s1)
return FALSE;
*s1 = imax(*s1, s2);
*e1 = imin(*e1, e2);
return TRUE;
}
static void
scrn_update(scr_stat *scp, int show_cursor)
{
int start;
int end;
int s;
int e;
/* assert(scp == scp->sc->cur_scp) */
++scp->sc->videoio_in_progress;
#ifndef SC_NO_CUTPASTE
/* remove the previous mouse pointer image if necessary */
if ((scp->status & (MOUSE_VISIBLE | MOUSE_MOVED))
== (MOUSE_VISIBLE | MOUSE_MOVED)) {
/* FIXME: I don't like this... XXX */
sc_remove_mouse_image(scp);
if (scp->end >= scp->xsize*scp->ysize)
scp->end = scp->xsize*scp->ysize - 1;
}
#endif /* !SC_NO_CUTPASTE */
#if 1
/* debug: XXX */
if (scp->end >= scp->xsize*scp->ysize) {
printf("scrn_update(): scp->end %d > size_of_screen!!\n", scp->end);
scp->end = scp->xsize*scp->ysize - 1;
}
if (scp->start < 0) {
printf("scrn_update(): scp->start %d < 0\n", scp->start);
scp->start = 0;
}
#endif
/* update screen image */
if (scp->start <= scp->end) {
if (scp->mouse_cut_end >= 0) {
/* there is a marked region for cut & paste */
if (scp->mouse_cut_start <= scp->mouse_cut_end) {
start = scp->mouse_cut_start;
end = scp->mouse_cut_end;
} else {
start = scp->mouse_cut_end;
end = scp->mouse_cut_start - 1;
}
s = start;
e = end;
/* does the cut-mark region overlap with the update region? */
if (and_region(&s, &e, scp->start, scp->end)) {
(*scp->rndr->draw)(scp, s, e - s + 1, TRUE);
s = 0;
e = start - 1;
if (and_region(&s, &e, scp->start, scp->end))
(*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
s = end + 1;
e = scp->xsize*scp->ysize - 1;
if (and_region(&s, &e, scp->start, scp->end))
(*scp->rndr->draw)(scp, s, e - s + 1, FALSE);
} else {
(*scp->rndr->draw)(scp, scp->start,
scp->end - scp->start + 1, FALSE);
}
} else {
(*scp->rndr->draw)(scp, scp->start,
scp->end - scp->start + 1, FALSE);
}
}
/* we are not to show the cursor and the mouse pointer... */
if (!show_cursor) {
scp->end = 0;
scp->start = scp->xsize*scp->ysize - 1;
--scp->sc->videoio_in_progress;
return;
}
/* update cursor image */
if (scp->status & CURSOR_ENABLED) {
/* did cursor move since last time ? */
if (scp->cursor_pos != scp->cursor_oldpos) {
/* do we need to remove old cursor image ? */
if (scp->cursor_oldpos < scp->start ||
scp->cursor_oldpos > scp->end) {
remove_cursor_image(scp);
}
scp->cursor_oldpos = scp->cursor_pos;
draw_cursor_image(scp);
}
else {
/* cursor didn't move, has it been overwritten ? */
if (scp->cursor_pos >= scp->start && scp->cursor_pos <= scp->end) {
draw_cursor_image(scp);
} else {
/* if its a blinking cursor, we may have to update it */
if (scp->sc->flags & SC_BLINK_CURSOR)
(*scp->rndr->blink_cursor)(scp, scp->cursor_pos,
sc_inside_cutmark(scp,
scp->cursor_pos));
}
}
}
#ifndef SC_NO_CUTPASTE
/* update "pseudo" mouse pointer image */
if (scp->status & MOUSE_VISIBLE) {
/* did mouse move since last time ? */
if (scp->status & MOUSE_MOVED) {
/* the previous pointer image has been removed, see above */
scp->status &= ~MOUSE_MOVED;
sc_draw_mouse_image(scp);
} else {
/* mouse didn't move, has it been overwritten ? */
if (scp->mouse_pos + scp->xsize + 1 >= scp->start &&
scp->mouse_pos <= scp->end) {
sc_draw_mouse_image(scp);
} else if (scp->cursor_pos == scp->mouse_pos ||
scp->cursor_pos == scp->mouse_pos + 1 ||
scp->cursor_pos == scp->mouse_pos + scp->xsize ||
scp->cursor_pos == scp->mouse_pos + scp->xsize + 1) {
sc_draw_mouse_image(scp);
}
}
}
#endif /* SC_NO_CUTPASTE */
scp->end = 0;
scp->start = scp->xsize*scp->ysize - 1;
--scp->sc->videoio_in_progress;
}
#if NSPLASH > 0
static int
scsplash_callback(int event, void *arg)
{
sc_softc_t *sc;
int error;
sc = (sc_softc_t *)arg;
switch (event) {
case SPLASH_INIT:
if (add_scrn_saver(scsplash_saver) == 0) {
sc->flags &= ~SC_SAVER_FAILED;
run_scrn_saver = TRUE;
if (cold && !(boothowto & (RB_VERBOSE | RB_CONFIG))) {
scsplash_stick(TRUE);
(*current_saver)(sc, TRUE);
}
}
return 0;
case SPLASH_TERM:
if (current_saver == scsplash_saver) {
scsplash_stick(FALSE);
error = remove_scrn_saver(scsplash_saver);
if (error)
return error;
}
return 0;
default:
return EINVAL;
}
}
static void
scsplash_saver(sc_softc_t *sc, int show)
{
static int busy = FALSE;
scr_stat *scp;
if (busy)
return;
busy = TRUE;
scp = sc->cur_scp;
if (show) {
if (!(sc->flags & SC_SAVER_FAILED)) {
if (!(sc->flags & SC_SCRN_BLANKED))
set_scrn_saver_mode(scp, -1, NULL, 0);
switch (splash(sc->adp, TRUE)) {
case 0: /* succeeded */
break;
case EAGAIN: /* try later */
restore_scrn_saver_mode(scp, FALSE);
sc_touch_scrn_saver(); /* XXX */
break;
default:
sc->flags |= SC_SAVER_FAILED;
scsplash_stick(FALSE);
restore_scrn_saver_mode(scp, TRUE);
printf("scsplash_saver(): failed to put up the image\n");
break;
}
}
} else if (!sticky_splash) {
if ((sc->flags & SC_SCRN_BLANKED) && (splash(sc->adp, FALSE) == 0))
restore_scrn_saver_mode(scp, TRUE);
}
busy = FALSE;
}
static int
add_scrn_saver(void (*this_saver)(sc_softc_t *, int))
{
#if 0
int error;
if (current_saver != none_saver) {
error = remove_scrn_saver(current_saver);
if (error)
return error;
}
#endif
if (current_saver != none_saver)
return EBUSY;
run_scrn_saver = FALSE;
saver_mode = CONS_LKM_SAVER;
current_saver = this_saver;
return 0;
}
static int
remove_scrn_saver(void (*this_saver)(sc_softc_t *, int))
{
if (current_saver != this_saver)
return EINVAL;
#if 0
/*
* In order to prevent `current_saver' from being called by
* the timeout routine `scrn_timer()' while we manipulate
* the saver list, we shall set `current_saver' to `none_saver'
* before stopping the current saver, rather than blocking by `splXX()'.
*/
current_saver = none_saver;
if (scrn_blanked)
stop_scrn_saver(this_saver);
#endif
/* unblank all blanked screens */
wait_scrn_saver_stop(NULL);
if (scrn_blanked)
return EBUSY;
current_saver = none_saver;
return 0;
}
static int
set_scrn_saver_mode(scr_stat *scp, int mode, u_char *pal, int border)
{
int s;
/* assert(scp == scp->sc->cur_scp) */
s = spltty();
if (!ISGRAPHSC(scp))
remove_cursor_image(scp);
scp->splash_save_mode = scp->mode;
scp->splash_save_status = scp->status & (GRAPHICS_MODE | PIXEL_MODE);
scp->status &= ~(GRAPHICS_MODE | PIXEL_MODE);
scp->status |= (UNKNOWN_MODE | SAVER_RUNNING);
scp->sc->flags |= SC_SCRN_BLANKED;
++scrn_blanked;
splx(s);
if (mode < 0)
return 0;
scp->mode = mode;
if (set_mode(scp) == 0) {
if (scp->sc->adp->va_info.vi_flags & V_INFO_GRAPHICS)
scp->status |= GRAPHICS_MODE;
#ifndef SC_NO_PALETTE_LOADING
if (pal != NULL)
load_palette(scp->sc->adp, pal);
#endif
set_border(scp, border);
return 0;
} else {
s = spltty();
scp->mode = scp->splash_save_mode;
scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
scp->status |= scp->splash_save_status;
splx(s);
return 1;
}
}
static int
restore_scrn_saver_mode(scr_stat *scp, int changemode)
{
int mode;
int status;
int s;
/* assert(scp == scp->sc->cur_scp) */
s = spltty();
mode = scp->mode;
status = scp->status;
scp->mode = scp->splash_save_mode;
scp->status &= ~(UNKNOWN_MODE | SAVER_RUNNING);
scp->status |= scp->splash_save_status;
scp->sc->flags &= ~SC_SCRN_BLANKED;
if (!changemode) {
if (!ISGRAPHSC(scp))
draw_cursor_image(scp);
--scrn_blanked;
splx(s);
return 0;
}
if (set_mode(scp) == 0) {
#ifndef SC_NO_PALETTE_LOADING
load_palette(scp->sc->adp, scp->sc->palette);
#endif
--scrn_blanked;
splx(s);
return 0;
} else {
scp->mode = mode;
scp->status = status;
splx(s);
return 1;
}
}
static void
stop_scrn_saver(sc_softc_t *sc, void (*saver)(sc_softc_t *, int))
{
(*saver)(sc, FALSE);
run_scrn_saver = FALSE;
/* the screen saver may have chosen not to stop after all... */
if (sc->flags & SC_SCRN_BLANKED)
return;
mark_all(sc->cur_scp);
if (sc->delayed_next_scr)
switch_scr(sc, sc->delayed_next_scr - 1);
wakeup((caddr_t)&scrn_blanked);
}
static int
wait_scrn_saver_stop(sc_softc_t *sc)
{
int error = 0;
while (scrn_blanked > 0) {
run_scrn_saver = FALSE;
if (sc && !(sc->flags & SC_SCRN_BLANKED)) {
error = 0;
break;
}
error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0);
if ((error != 0) && (error != ERESTART))
break;
}
run_scrn_saver = FALSE;
return error;
}
#endif /* NSPLASH */
void
sc_touch_scrn_saver(void)
{
scsplash_stick(FALSE);
run_scrn_saver = FALSE;
}
void
sc_clear_screen(scr_stat *scp)
{
move_crsr(scp, 0, 0);
scp->cursor_oldpos = scp->cursor_pos;
sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], scp->term.cur_color);
mark_all(scp);
sc_remove_cutmarking(scp);
}
static int
switch_scr(sc_softc_t *sc, u_int next_scr)
{
struct tty *tp;
int s;
DPRINTF(5, ("sc0: switch_scr() %d ", next_scr + 1));
/* delay switch if the screen is blanked or being updated */
if ((sc->flags & SC_SCRN_BLANKED) || sc->write_in_progress
|| sc->blink_in_progress || sc->videoio_in_progress) {
sc->delayed_next_scr = next_scr + 1;
sc_touch_scrn_saver();
DPRINTF(5, ("switch delayed\n"));
return 0;
}
s = spltty();
/* we are in the middle of the vty switching process... */
if (sc->switch_in_progress
&& (sc->cur_scp->smode.mode == VT_PROCESS)
&& sc->cur_scp->proc) {
if (sc->cur_scp->proc != pfind(sc->cur_scp->pid)) {
/*
* The controlling process has died!!. Do some clean up.
* NOTE:`cur_scp->proc' and `cur_scp->smode.mode'
* are not reset here yet; they will be cleared later.
*/
DPRINTF(5, ("cur_scp controlling process %d died, ",
sc->cur_scp->pid));
if (sc->cur_scp->status & SWITCH_WAIT_REL) {
/*
* Force the previous switch to finish, but return now
* with error.
*/
DPRINTF(5, ("reset WAIT_REL, "));
sc->cur_scp->status &= ~SWITCH_WAIT_REL;
s = do_switch_scr(sc, s);
splx(s);
DPRINTF(5, ("finishing previous switch\n"));
return EINVAL;
} else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) {
/* let's assume screen switch has been completed. */
DPRINTF(5, ("reset WAIT_ACQ, "));
sc->cur_scp->status &= ~SWITCH_WAIT_ACQ;
sc->switch_in_progress = 0;
} else {
/*
* We are in between screen release and acquisition, and
* reached here via scgetc() or scrn_timer() which has
* interrupted exchange_scr(). Don't do anything stupid.
*/
DPRINTF(5, ("waiting nothing, "));
}
} else {
/*
* The controlling process is alive, but not responding...
* It is either buggy or it may be just taking time.
* The following code is a gross kludge to cope with this
* problem for which there is no clean solution. XXX
*/
if (sc->cur_scp->status & SWITCH_WAIT_REL) {
switch (sc->switch_in_progress++) {
case 1:
break;
case 2:
DPRINTF(5, ("sending relsig again, "));
signal_vt_rel(sc->cur_scp);
break;
case 3:
break;
case 4:
default:
/*
* Clear the flag and force the previous switch to finish,
* but return now with error.
*/
DPRINTF(5, ("force reset WAIT_REL, "));
sc->cur_scp->status &= ~SWITCH_WAIT_REL;
s = do_switch_scr(sc, s);
splx(s);
DPRINTF(5, ("force finishing previous switch\n"));
return EINVAL;
}
} else if (sc->cur_scp->status & SWITCH_WAIT_ACQ) {
switch (sc->switch_in_progress++) {
case 1:
break;
case 2:
DPRINTF(5, ("sending acqsig again, "));
signal_vt_acq(sc->cur_scp);
break;
case 3:
break;
case 4:
default:
/* clear the flag and finish the previous switch */
DPRINTF(5, ("force reset WAIT_ACQ, "));
sc->cur_scp->status &= ~SWITCH_WAIT_ACQ;
sc->switch_in_progress = 0;
break;
}
}
}
}
/*
* Return error if an invalid argument is given, or vty switch
* is still in progress.
*/
if ((next_scr < sc->first_vty) || (next_scr >= sc->first_vty + sc->vtys)
|| sc->switch_in_progress) {
splx(s);
do_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION);
DPRINTF(5, ("error 1\n"));
return EINVAL;
}
/*
* Don't allow switching away from the graphics mode vty
* if the switch mode is VT_AUTO, unless the next vty is the same
* as the current or the current vty has been closed (but showing).
*/
tp = VIRTUAL_TTY(sc, sc->cur_scp->index);
if ((sc->cur_scp->index != next_scr)
&& (tp->t_state & TS_ISOPEN)
&& (sc->cur_scp->smode.mode == VT_AUTO)
&& ISGRAPHSC(sc->cur_scp)) {
splx(s);
do_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION);
DPRINTF(5, ("error, graphics mode\n"));
return EINVAL;
}
/*
* Is the wanted vty open? Don't allow switching to a closed vty.
* Note that we always allow the user to switch to the kernel
* console even if it is closed.
*/
if ((sc_console == NULL) || (next_scr != sc_console->index)) {
tp = VIRTUAL_TTY(sc, next_scr);
if (!(tp->t_state & TS_ISOPEN)) {
splx(s);
do_bell(sc->cur_scp, bios_value.bell_pitch, BELL_DURATION);
DPRINTF(5, ("error 2, requested vty isn't open!\n"));
return EINVAL;
}
}
/* this is the start of vty switching process... */
++sc->switch_in_progress;
sc->delayed_next_scr = 0;
sc->old_scp = sc->cur_scp;
sc->new_scp = sc->console[next_scr - sc->first_vty];
if (sc->new_scp == sc->old_scp) {
sc->switch_in_progress = 0;
wakeup((caddr_t)&sc->new_scp->smode);
splx(s);
DPRINTF(5, ("switch done (new == old)\n"));
return 0;
}
/* has controlling process died? */
vt_proc_alive(sc->old_scp);
vt_proc_alive(sc->new_scp);
/* wait for the controlling process to release the screen, if necessary */
if (signal_vt_rel(sc->old_scp)) {
splx(s);
return 0;
}
/* go set up the new vty screen */
splx(s);
exchange_scr(sc);
s = spltty();
/* wake up processes waiting for this vty */
wakeup((caddr_t)&sc->cur_scp->smode);
/* wait for the controlling process to acknowledge, if necessary */
if (signal_vt_acq(sc->cur_scp)) {
splx(s);
return 0;
}
sc->switch_in_progress = 0;
if (sc->unit == sc_console_unit)
cons_unavail = FALSE;
splx(s);
DPRINTF(5, ("switch done\n"));
return 0;
}
static int
do_switch_scr(sc_softc_t *sc, int s)
{
vt_proc_alive(sc->new_scp);
splx(s);
exchange_scr(sc);
s = spltty();
/* sc->cur_scp == sc->new_scp */
wakeup((caddr_t)&sc->cur_scp->smode);
/* wait for the controlling process to acknowledge, if necessary */
if (!signal_vt_acq(sc->cur_scp)) {
sc->switch_in_progress = 0;
if (sc->unit == sc_console_unit)
cons_unavail = FALSE;
}
return s;
}
static int
vt_proc_alive(scr_stat *scp)
{
if (scp->proc) {
if (scp->proc == pfind(scp->pid))
return TRUE;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
DPRINTF(5, ("vt controlling process %d died\n", scp->pid));
}
return FALSE;
}
static int
signal_vt_rel(scr_stat *scp)
{
if (scp->smode.mode != VT_PROCESS)
return FALSE;
scp->status |= SWITCH_WAIT_REL;
psignal(scp->proc, scp->smode.relsig);
DPRINTF(5, ("sending relsig to %d\n", scp->pid));
return TRUE;
}
static int
signal_vt_acq(scr_stat *scp)
{
if (scp->smode.mode != VT_PROCESS)
return FALSE;
if (scp->sc->unit == sc_console_unit)
cons_unavail = TRUE;
scp->status |= SWITCH_WAIT_ACQ;
psignal(scp->proc, scp->smode.acqsig);
DPRINTF(5, ("sending acqsig to %d\n", scp->pid));
return TRUE;
}
static void
exchange_scr(sc_softc_t *sc)
{
scr_stat *scp;
/* save the current state of video and keyboard */
move_crsr(sc->old_scp, sc->old_scp->xpos, sc->old_scp->ypos);
if (sc->old_scp->kbd_mode == K_XLATE)
save_kbd_state(sc->old_scp);
/* set up the video for the new screen */
scp = sc->cur_scp = sc->new_scp;
if (sc->old_scp->mode != scp->mode || ISUNKNOWNSC(sc->old_scp))
set_mode(scp);
else
sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
(void *)sc->adp->va_window, FALSE);
move_crsr(scp, scp->xpos, scp->ypos);
if (!ISGRAPHSC(scp))
sc_set_cursor_image(scp);
#ifndef SC_NO_PALETTE_LOADING
if (ISGRAPHSC(sc->old_scp))
load_palette(sc->adp, sc->palette);
#endif
set_border(scp, scp->border);
/* set up the keyboard for the new screen */
if (sc->old_scp->kbd_mode != scp->kbd_mode)
kbd_ioctl(sc->kbd, KDSKBMODE, (caddr_t)&scp->kbd_mode);
update_kbd_state(scp, scp->status, LOCK_MASK);
mark_all(scp);
}
static void
scan_esc(scr_stat *scp, u_char c)
{
static u_char ansi_col[16] =
{0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15};
sc_softc_t *sc;
int i, n;
int count;
i = n = 0;
sc = scp->sc;
if (scp->term.esc == 1) { /* seen ESC */
switch (c) {
case '7': /* Save cursor position */
scp->saved_xpos = scp->xpos;
scp->saved_ypos = scp->ypos;
break;
case '8': /* Restore saved cursor position */
if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0)
move_crsr(scp, scp->saved_xpos, scp->saved_ypos);
break;
case '[': /* Start ESC [ sequence */
scp->term.esc = 2;
scp->term.last_param = -1;
for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
scp->term.param[i] = 1;
scp->term.num_param = 0;
return;
case 'M': /* Move cursor up 1 line, scroll if at top */
if (scp->ypos > 0)
move_crsr(scp, scp->xpos, scp->ypos - 1);
else {
sc_vtb_ins(&scp->vtb, 0, scp->xsize,
sc->scr_map[0x20], scp->term.cur_color);
mark_all(scp);
}
break;
#if notyet
case 'Q':
scp->term.esc = 4;
return;
#endif
case 'c': /* Clear screen & home */
sc_clear_screen(scp);
break;
case '(': /* iso-2022: designate 94 character set to G0 */
scp->term.esc = 5;
return;
}
}
else if (scp->term.esc == 2) { /* seen ESC [ */
if (c >= '0' && c <= '9') {
if (scp->term.num_param < MAX_ESC_PAR) {
if (scp->term.last_param != scp->term.num_param) {
scp->term.last_param = scp->term.num_param;
scp->term.param[scp->term.num_param] = 0;
}
else
scp->term.param[scp->term.num_param] *= 10;
scp->term.param[scp->term.num_param] += c - '0';
return;
}
}
scp->term.num_param = scp->term.last_param + 1;
switch (c) {
case ';':
if (scp->term.num_param < MAX_ESC_PAR)
return;
break;
case '=':
scp->term.esc = 3;
scp->term.last_param = -1;
for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
scp->term.param[i] = 1;
scp->term.num_param = 0;
return;
case 'A': /* up n rows */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos, scp->ypos - n);
break;
case 'B': /* down n rows */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos, scp->ypos + n);
break;
case 'C': /* right n columns */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos + n, scp->ypos);
break;
case 'D': /* left n columns */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos - n, scp->ypos);
break;
case 'E': /* cursor to start of line n lines down */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, 0, scp->ypos + n);
break;
case 'F': /* cursor to start of line n lines up */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, 0, scp->ypos - n);
break;
case 'f': /* Cursor move */
case 'H':
if (scp->term.num_param == 0)
move_crsr(scp, 0, 0);
else if (scp->term.num_param == 2)
move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1);
break;
case 'J': /* Clear all or part of display */
if (scp->term.num_param == 0)
n = 0;
else
n = scp->term.param[0];
switch (n) {
case 0: /* clear form cursor to end of display */
sc_vtb_erase(&scp->vtb, scp->cursor_pos,
scp->xsize * scp->ysize - scp->cursor_pos,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->xsize * scp->ysize - 1);
sc_remove_cutmarking(scp);
break;
case 1: /* clear from beginning of display to cursor */
sc_vtb_erase(&scp->vtb, 0, scp->cursor_pos,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, 0);
mark_for_update(scp, scp->cursor_pos);
sc_remove_cutmarking(scp);
break;
case 2: /* clear entire display */
sc_vtb_clear(&scp->vtb, sc->scr_map[0x20], scp->term.cur_color);
mark_all(scp);
sc_remove_cutmarking(scp);
break;
}
break;
case 'K': /* Clear all or part of line */
if (scp->term.num_param == 0)
n = 0;
else
n = scp->term.param[0];
switch (n) {
case 0: /* clear form cursor to end of line */
sc_vtb_erase(&scp->vtb, scp->cursor_pos,
scp->xsize - scp->xpos,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos +
scp->xsize - 1 - scp->xpos);
break;
case 1: /* clear from beginning of line to cursor */
sc_vtb_erase(&scp->vtb, scp->cursor_pos - scp->xpos,
scp->xpos + 1,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, scp->cursor_pos);
break;
case 2: /* clear entire line */
sc_vtb_erase(&scp->vtb, scp->cursor_pos - scp->xpos,
scp->xsize,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, (scp->ypos + 1) * scp->xsize - 1);
break;
}
break;
case 'L': /* Insert n lines */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->ysize - scp->ypos)
n = scp->ysize - scp->ypos;
sc_vtb_ins(&scp->vtb, scp->ypos * scp->xsize, n * scp->xsize,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, scp->xsize * scp->ysize - 1);
break;
case 'M': /* Delete n lines */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->ysize - scp->ypos)
n = scp->ysize - scp->ypos;
sc_vtb_delete(&scp->vtb, scp->ypos * scp->xsize, n * scp->xsize,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, scp->xsize * scp->ysize - 1);
break;
case 'P': /* Delete n chars */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->xsize - scp->xpos)
n = scp->xsize - scp->xpos;
count = scp->xsize - (scp->xpos + n);
sc_vtb_move(&scp->vtb, scp->cursor_pos + n, scp->cursor_pos, count);
sc_vtb_erase(&scp->vtb, scp->cursor_pos + count, n,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos + n + count - 1);
break;
case '@': /* Insert n chars */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->xsize - scp->xpos)
n = scp->xsize - scp->xpos;
count = scp->xsize - (scp->xpos + n);
sc_vtb_move(&scp->vtb, scp->cursor_pos, scp->cursor_pos + n, count);
sc_vtb_erase(&scp->vtb, scp->cursor_pos, n,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos + n + count - 1);
break;
case 'S': /* scroll up n lines */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->ysize)
n = scp->ysize;
sc_vtb_delete(&scp->vtb, 0, n * scp->xsize,
sc->scr_map[0x20], scp->term.cur_color);
mark_all(scp);
break;
case 'T': /* scroll down n lines */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->ysize)
n = scp->ysize;
sc_vtb_ins(&scp->vtb, 0, n * scp->xsize,
sc->scr_map[0x20], scp->term.cur_color);
mark_all(scp);
break;
case 'X': /* erase n characters in line */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->xsize - scp->xpos)
n = scp->xsize - scp->xpos;
sc_vtb_erase(&scp->vtb, scp->cursor_pos, n,
sc->scr_map[0x20], scp->term.cur_color);
mark_for_update(scp, scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos + n - 1);
break;
case 'Z': /* move n tabs backwards */
n = scp->term.param[0]; if (n < 1) n = 1;
if ((i = scp->xpos & 0xf8) == scp->xpos)
i -= 8*n;
else
i -= 8*(n-1);
if (i < 0)
i = 0;
move_crsr(scp, i, scp->ypos);
break;
case '`': /* move cursor to column n */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, n - 1, scp->ypos);
break;
case 'a': /* move cursor n columns to the right */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos + n, scp->ypos);
break;
case 'd': /* move cursor to row n */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos, n - 1);
break;
case 'e': /* move cursor n rows down */
n = scp->term.param[0]; if (n < 1) n = 1;
move_crsr(scp, scp->xpos, scp->ypos + n);
break;
case 'm': /* change attribute */
if (scp->term.num_param == 0) {
scp->term.attr_mask = NORMAL_ATTR;
scp->term.cur_attr =
scp->term.cur_color = scp->term.std_color;
break;
}
for (i = 0; i < scp->term.num_param; i++) {
switch (n = scp->term.param[i]) {
case 0: /* back to normal */
scp->term.attr_mask = NORMAL_ATTR;
scp->term.cur_attr =
scp->term.cur_color = scp->term.std_color;
break;
case 1: /* bold */
scp->term.attr_mask |= BOLD_ATTR;
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 4: /* underline */
scp->term.attr_mask |= UNDERLINE_ATTR;
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 5: /* blink */
scp->term.attr_mask |= BLINK_ATTR;
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 7: /* reverse video */
scp->term.attr_mask |= REVERSE_ATTR;
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 30: case 31: /* set fg color */
case 32: case 33: case 34:
case 35: case 36: case 37:
scp->term.attr_mask |= FOREGROUND_CHANGED;
scp->term.cur_color =
(scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8);
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 40: case 41: /* set bg color */
case 42: case 43: case 44:
case 45: case 46: case 47:
scp->term.attr_mask |= BACKGROUND_CHANGED;
scp->term.cur_color =
(scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12);
scp->term.cur_attr = mask2attr(&scp->term);
break;
}
}
break;
case 's': /* Save cursor position */
scp->saved_xpos = scp->xpos;
scp->saved_ypos = scp->ypos;
break;
case 'u': /* Restore saved cursor position */
if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0)
move_crsr(scp, scp->saved_xpos, scp->saved_ypos);
break;
case 'x':
if (scp->term.num_param == 0)
n = 0;
else
n = scp->term.param[0];
switch (n) {
case 0: /* reset attributes */
scp->term.attr_mask = NORMAL_ATTR;
scp->term.cur_attr =
scp->term.cur_color = scp->term.std_color =
current_default->std_color;
scp->term.rev_color = current_default->rev_color;
break;
case 1: /* set ansi background */
scp->term.attr_mask &= ~BACKGROUND_CHANGED;
scp->term.cur_color = scp->term.std_color =
(scp->term.std_color & 0x0F00) |
(ansi_col[(scp->term.param[1])&0x0F]<<12);
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 2: /* set ansi foreground */
scp->term.attr_mask &= ~FOREGROUND_CHANGED;
scp->term.cur_color = scp->term.std_color =
(scp->term.std_color & 0xF000) |
(ansi_col[(scp->term.param[1])&0x0F]<<8);
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 3: /* set ansi attribute directly */
scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED);
scp->term.cur_color = scp->term.std_color =
(scp->term.param[1]&0xFF)<<8;
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 5: /* set ansi reverse video background */
scp->term.rev_color =
(scp->term.rev_color & 0x0F00) |
(ansi_col[(scp->term.param[1])&0x0F]<<12);
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 6: /* set ansi reverse video foreground */
scp->term.rev_color =
(scp->term.rev_color & 0xF000) |
(ansi_col[(scp->term.param[1])&0x0F]<<8);
scp->term.cur_attr = mask2attr(&scp->term);
break;
case 7: /* set ansi reverse video directly */
scp->term.rev_color =
(scp->term.param[1]&0xFF)<<8;
scp->term.cur_attr = mask2attr(&scp->term);
break;
}
break;
case 'z': /* switch to (virtual) console n */
if (scp->term.num_param == 1)
switch_scr(sc, scp->term.param[0]);
break;
}
}
else if (scp->term.esc == 3) { /* seen ESC [0-9]+ = */
if (c >= '0' && c <= '9') {
if (scp->term.num_param < MAX_ESC_PAR) {
if (scp->term.last_param != scp->term.num_param) {
scp->term.last_param = scp->term.num_param;
scp->term.param[scp->term.num_param] = 0;
}
else
scp->term.param[scp->term.num_param] *= 10;
scp->term.param[scp->term.num_param] += c - '0';
return;
}
}
scp->term.num_param = scp->term.last_param + 1;
switch (c) {
case ';':
if (scp->term.num_param < MAX_ESC_PAR)
return;
break;
case 'A': /* set display border color */
if (scp->term.num_param == 1) {
scp->border=scp->term.param[0] & 0xff;
if (scp == sc->cur_scp)
set_border(scp, scp->border);
}
break;
case 'B': /* set bell pitch and duration */
if (scp->term.num_param == 2) {
scp->bell_pitch = scp->term.param[0];
scp->bell_duration = scp->term.param[1];
}
break;
case 'C': /* set cursor type & shape */
if (!ISGRAPHSC(sc->cur_scp))
remove_cursor_image(sc->cur_scp);
if (scp->term.num_param == 1) {
if (scp->term.param[0] & 0x01)
sc->flags |= SC_BLINK_CURSOR;
else
sc->flags &= ~SC_BLINK_CURSOR;
if (scp->term.param[0] & 0x02)
sc->flags |= SC_CHAR_CURSOR;
else
sc->flags &= ~SC_CHAR_CURSOR;
}
else if (scp->term.num_param == 2) {
sc->cursor_base = scp->font_size
- (scp->term.param[1] & 0x1F) - 1;
sc->cursor_height = (scp->term.param[1] & 0x1F)
- (scp->term.param[0] & 0x1F) + 1;
}
/*
* The cursor shape is global property; all virtual consoles
* are affected. Update the cursor in the current console...
*/
if (!ISGRAPHSC(sc->cur_scp)) {
i = spltty();
sc_set_cursor_image(sc->cur_scp);
draw_cursor_image(sc->cur_scp);
splx(i);
}
break;
case 'F': /* set ansi foreground */
if (scp->term.num_param == 1) {
scp->term.attr_mask &= ~FOREGROUND_CHANGED;
scp->term.cur_color = scp->term.std_color =
(scp->term.std_color & 0xF000)
| ((scp->term.param[0] & 0x0F) << 8);
scp->term.cur_attr = mask2attr(&scp->term);
}
break;
case 'G': /* set ansi background */
if (scp->term.num_param == 1) {
scp->term.attr_mask &= ~BACKGROUND_CHANGED;
scp->term.cur_color = scp->term.std_color =
(scp->term.std_color & 0x0F00)
| ((scp->term.param[0] & 0x0F) << 12);
scp->term.cur_attr = mask2attr(&scp->term);
}
break;
case 'H': /* set ansi reverse video foreground */
if (scp->term.num_param == 1) {
scp->term.rev_color =
(scp->term.rev_color & 0xF000)
| ((scp->term.param[0] & 0x0F) << 8);
scp->term.cur_attr = mask2attr(&scp->term);
}
break;
case 'I': /* set ansi reverse video background */
if (scp->term.num_param == 1) {
scp->term.rev_color =
(scp->term.rev_color & 0x0F00)
| ((scp->term.param[0] & 0x0F) << 12);
scp->term.cur_attr = mask2attr(&scp->term);
}
break;
}
}
#if notyet
else if (scp->term.esc == 4) { /* seen ESC Q */
/* to be filled */
}
#endif
else if (scp->term.esc == 5) { /* seen ESC ( */
switch (c) {
case 'B': /* iso-2022: desginate ASCII into G0 */
break;
/* other items to be filled */
default:
break;
}
}
scp->term.esc = 0;
}
static void
ansi_put(scr_stat *scp, u_char *buf, int len)
{
u_char *ptr = buf;
#if NSPLASH > 0
/* make screensaver happy */
if (!sticky_splash && scp == scp->sc->cur_scp)
run_scrn_saver = FALSE;
#endif
outloop:
scp->sc->write_in_progress++;
if (scp->term.esc) {
scan_esc(scp, *ptr++);
len--;
}
else if (PRINTABLE(*ptr)) { /* Print only printables */
vm_offset_t p;
u_char *map;
int cnt;
int attr;
int i;
p = sc_vtb_pointer(&scp->vtb, scp->cursor_pos);
map = scp->sc->scr_map;
attr = scp->term.cur_attr;
cnt = (len <= scp->xsize - scp->xpos) ? len : (scp->xsize - scp->xpos);
i = cnt;
do {
/*
* gcc-2.6.3 generates poor (un)sign extension code. Casting the
* pointers in the following to volatile should have no effect,
* but in fact speeds up this inner loop from 26 to 18 cycles
* (+ cache misses) on i486's.
*/
#define UCVP(ucp) ((u_char volatile *)(ucp))
p = sc_vtb_putchar(&scp->vtb, p, UCVP(map)[*UCVP(ptr)], attr);
++ptr;
--i;
} while (i > 0 && PRINTABLE(*ptr));
len -= cnt - i;
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos += cnt - i;
mark_for_update(scp, scp->cursor_pos - 1);
scp->xpos += cnt - i;
if (scp->xpos >= scp->xsize) {
scp->xpos = 0;
scp->ypos++;
}
}
else {
switch(*ptr) {
case 0x07:
do_bell(scp, scp->bell_pitch, scp->bell_duration);
break;
case 0x08: /* non-destructive backspace */
if (scp->cursor_pos > 0) {
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos--;
mark_for_update(scp, scp->cursor_pos);
if (scp->xpos > 0)
scp->xpos--;
else {
scp->xpos += scp->xsize - 1;
scp->ypos--;
}
}
break;
case 0x09: /* non-destructive tab */
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos += (8 - scp->xpos % 8u);
mark_for_update(scp, scp->cursor_pos);
if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) {
scp->xpos = 0;
scp->ypos++;
}
break;
case 0x0a: /* newline, same pos */
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos += scp->xsize;
mark_for_update(scp, scp->cursor_pos);
scp->ypos++;
break;
case 0x0c: /* form feed, clears screen */
sc_clear_screen(scp);
break;
case 0x0d: /* return, return to pos 0 */
mark_for_update(scp, scp->cursor_pos);
scp->cursor_pos -= scp->xpos;
mark_for_update(scp, scp->cursor_pos);
scp->xpos = 0;
break;
case 0x1b: /* start escape sequence */
scp->term.esc = 1;
scp->term.num_param = 0;
break;
}
ptr++; len--;
}
/* do we have to scroll ?? */
if (scp->cursor_pos >= scp->ysize * scp->xsize) {
sc_remove_cutmarking(scp);
#ifndef SC_NO_HISTORY
if (scp->history != NULL)
sc_hist_save_one_line(scp, 0);
#endif
sc_vtb_delete(&scp->vtb, 0, scp->xsize,
scp->sc->scr_map[0x20], scp->term.cur_color);
scp->cursor_pos -= scp->xsize;
scp->ypos--;
mark_all(scp);
}
scp->sc->write_in_progress--;
if (len)
goto outloop;
if (scp->sc->delayed_next_scr)
switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
}
static void
draw_cursor_image(scr_stat *scp)
{
/* assert(scp == scp->sc->cur_scp); */
++scp->sc->videoio_in_progress;
(*scp->rndr->draw_cursor)(scp, scp->cursor_pos,
scp->sc->flags & SC_BLINK_CURSOR, TRUE,
sc_inside_cutmark(scp, scp->cursor_pos));
--scp->sc->videoio_in_progress;
}
static void
remove_cursor_image(scr_stat *scp)
{
/* assert(scp == scp->sc->cur_scp); */
++scp->sc->videoio_in_progress;
(*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos,
scp->sc->flags & SC_BLINK_CURSOR, FALSE,
sc_inside_cutmark(scp, scp->cursor_oldpos));
--scp->sc->videoio_in_progress;
}
static void
update_cursor_image(scr_stat *scp)
{
int blink;
if (scp->sc->flags & SC_CHAR_CURSOR) {
scp->cursor_base = scp->sc->cursor_base;
scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size);
} else {
scp->cursor_base = 0;
scp->cursor_height = scp->font_size;
}
blink = scp->sc->flags & SC_BLINK_CURSOR;
/* assert(scp == scp->sc->cur_scp); */
++scp->sc->videoio_in_progress;
(*scp->rndr->draw_cursor)(scp, scp->cursor_oldpos, blink, FALSE,
sc_inside_cutmark(scp, scp->cursor_pos));
(*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height, blink);
(*scp->rndr->draw_cursor)(scp, scp->cursor_pos, blink, TRUE,
sc_inside_cutmark(scp, scp->cursor_pos));
--scp->sc->videoio_in_progress;
}
void
sc_set_cursor_image(scr_stat *scp)
{
if (scp->sc->flags & SC_CHAR_CURSOR) {
scp->cursor_base = scp->sc->cursor_base;
scp->cursor_height = imin(scp->sc->cursor_height, scp->font_size);
} else {
scp->cursor_base = 0;
scp->cursor_height = scp->font_size;
}
/* assert(scp == scp->sc->cur_scp); */
++scp->sc->videoio_in_progress;
(*scp->rndr->set_cursor)(scp, scp->cursor_base, scp->cursor_height,
scp->sc->flags & SC_BLINK_CURSOR);
--scp->sc->videoio_in_progress;
}
static void
move_crsr(scr_stat *scp, int x, int y)
{
if (x < 0)
x = 0;
if (y < 0)
y = 0;
if (x >= scp->xsize)
x = scp->xsize-1;
if (y >= scp->ysize)
y = scp->ysize-1;
scp->xpos = x;
scp->ypos = y;
scp->cursor_pos = scp->ypos * scp->xsize + scp->xpos;
}
static void
scinit(int unit, int flags)
{
/*
* When syscons is being initialized as the kernel console, malloc()
* is not yet functional, because various kernel structures has not been
* fully initialized yet. Therefore, we need to declare the following
* static buffers for the console. This is less than ideal,
* but is necessry evil for the time being. XXX
*/
static scr_stat main_console;
static scr_stat *main_vtys[MAXCONS];
static struct tty main_tty[MAXCONS];
static u_short sc_buffer[ROW*COL]; /* XXX */
#ifdef DEVFS
static void *main_devfs_token[MAXCONS];
#endif
#ifndef SC_NO_FONT_LOADING
static u_char font_8[256*8];
static u_char font_14[256*14];
static u_char font_16[256*16];
#endif
sc_softc_t *sc;
scr_stat *scp;
video_adapter_t *adp;
int col;
int row;
int i;
/* one time initialization */
if (init_done == COLD) {
sc_get_bios_values(&bios_value);
current_default = &user_default;
/* kernel console attributes */
kernel_console.esc = 0;
kernel_console.attr_mask = NORMAL_ATTR;
kernel_console.cur_attr =
kernel_console.cur_color = kernel_console.std_color =
kernel_default.std_color;
kernel_console.rev_color = kernel_default.rev_color;
}
init_done = WARM;
/*
* Allocate resources. Even if we are being called for the second
* time, we must allocate them again, because they might have
* disappeared...
*/
sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
adp = NULL;
if (sc->adapter >= 0) {
vid_release(sc->adp, (void *)&sc->adapter);
adp = sc->adp;
sc->adp = NULL;
}
if (sc->keyboard >= 0) {
DPRINTF(5, ("sc%d: releasing kbd%d\n", unit, sc->keyboard));
i = kbd_release(sc->kbd, (void *)&sc->keyboard);
DPRINTF(5, ("sc%d: kbd_release returned %d\n", unit, i));
if (sc->kbd != NULL) {
DPRINTF(5, ("sc%d: kbd != NULL!, index:%d, minor:%d, flags:0x%x\n",
unit, sc->kbd->kb_index, sc->kbd->kb_minor, sc->kbd->kb_flags));
}
sc->kbd = NULL;
}
sc->adapter = vid_allocate("*", unit, (void *)&sc->adapter);
sc->adp = vid_get_adapter(sc->adapter);
/* assert((sc->adapter >= 0) && (sc->adp != NULL)) */
sc->keyboard = kbd_allocate("*", unit, (void *)&sc->keyboard,
sckbdevent, sc);
DPRINTF(1, ("sc%d: keyboard %d\n", unit, sc->keyboard));
sc->kbd = kbd_get_keyboard(sc->keyboard);
if (sc->kbd != NULL) {
DPRINTF(1, ("sc%d: kbd index:%d, minor:%d, flags:0x%x\n",
unit, sc->kbd->kb_index, sc->kbd->kb_minor, sc->kbd->kb_flags));
}
if (!(sc->flags & SC_INIT_DONE) || (adp != sc->adp)) {
sc->initial_mode = sc->adp->va_initial_mode;
#ifndef SC_NO_FONT_LOADING
if (flags & SC_KERNEL_CONSOLE) {
sc->font_8 = font_8;
sc->font_14 = font_14;
sc->font_16 = font_16;
} else if (sc->font_8 == NULL) {
/* assert(sc_malloc) */
sc->font_8 = malloc(sizeof(font_8), M_DEVBUF, M_WAITOK);
sc->font_14 = malloc(sizeof(font_14), M_DEVBUF, M_WAITOK);
sc->font_16 = malloc(sizeof(font_16), M_DEVBUF, M_WAITOK);
}
#endif
/* extract the hardware cursor location and hide the cursor for now */
(*vidsw[sc->adapter]->read_hw_cursor)(sc->adp, &col, &row);
(*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, -1, -1);
/* set up the first console */
sc->first_vty = unit*MAXCONS;
if (flags & SC_KERNEL_CONSOLE) {
sc->vtys = sizeof(main_vtys)/sizeof(main_vtys[0]);
sc->tty = main_tty;
#ifdef DEVFS
sc->devfs_token = main_devfs_token;
#endif
sc->console = main_vtys;
scp = main_vtys[0] = &main_console;
init_scp(sc, sc->first_vty, scp);
sc_vtb_init(&scp->vtb, VTB_MEMORY, scp->xsize, scp->ysize,
(void *)sc_buffer, FALSE);
} else {
/* assert(sc_malloc) */
sc->vtys = MAXCONS;
sc->tty = malloc(sizeof(struct tty)*MAXCONS, M_DEVBUF, M_WAITOK);
bzero(sc->tty, sizeof(struct tty)*MAXCONS);
#ifdef DEVFS
sc->devfs_token = malloc(sizeof(void *)*MAXCONS,
M_DEVBUF, M_WAITOK);
#endif
sc->console = malloc(sizeof(struct scr_stat *)*MAXCONS,
M_DEVBUF, M_WAITOK);
scp = sc->console[0] = alloc_scp(sc, sc->first_vty);
}
sc->cur_scp = scp;
/* copy screen to temporary buffer */
sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
(void *)scp->sc->adp->va_window, FALSE);
if (ISTEXTSC(scp))
sc_vtb_copy(&scp->scr, 0, &scp->vtb, 0, scp->xsize*scp->ysize);
/* move cursors to the initial positions */
scp->mouse_pos = scp->mouse_oldpos = 0;
if (col >= scp->xsize)
col = 0;
if (row >= scp->ysize)
row = scp->ysize - 1;
scp->xpos = col;
scp->ypos = row;
scp->cursor_pos = scp->cursor_oldpos = row*scp->xsize + col;
if (bios_value.cursor_end < scp->font_size)
sc->cursor_base = scp->font_size - bios_value.cursor_end - 1;
else
sc->cursor_base = 0;
i = bios_value.cursor_end - bios_value.cursor_start + 1;
sc->cursor_height = imin(i, scp->font_size);
if (!ISGRAPHSC(scp)) {
sc_set_cursor_image(scp);
draw_cursor_image(scp);
}
/* save font and palette */
#ifndef SC_NO_FONT_LOADING
sc->fonts_loaded = 0;
if (ISFONTAVAIL(sc->adp->va_flags)) {
#ifdef SC_DFLT_FONT
bcopy(dflt_font_8, sc->font_8, sizeof(dflt_font_8));
bcopy(dflt_font_14, sc->font_14, sizeof(dflt_font_14));
bcopy(dflt_font_16, sc->font_16, sizeof(dflt_font_16));
sc->fonts_loaded = FONT_16 | FONT_14 | FONT_8;
if (scp->font_size < 14) {
copy_font(scp, LOAD, 8, sc->font_8);
sc->fonts_loaded = FONT_8;
} else if (scp->font_size >= 16) {
copy_font(scp, LOAD, 16, sc->font_16);
sc->fonts_loaded = FONT_16;
} else {
copy_font(scp, LOAD, 14, sc->font_14);
sc->fonts_loaded = FONT_14;
}
#else /* !SC_DFLT_FONT */
if (scp->font_size < 14) {
copy_font(scp, SAVE, 8, sc->font_8);
sc->fonts_loaded = FONT_8;
} else if (scp->font_size >= 16) {
copy_font(scp, SAVE, 16, sc->font_16);
sc->fonts_loaded = FONT_16;
} else {
copy_font(scp, SAVE, 14, sc->font_14);
sc->fonts_loaded = FONT_14;
}
#endif /* SC_DFLT_FONT */
/* FONT KLUDGE: always use the font page #0. XXX */
(*vidsw[sc->adapter]->show_font)(sc->adp, 0);
}
#endif /* !SC_NO_FONT_LOADING */
#ifndef SC_NO_PALETTE_LOADING
save_palette(sc->adp, sc->palette);
#endif
#if NSPLASH > 0
if (!(sc->flags & SC_SPLASH_SCRN) && (flags & SC_KERNEL_CONSOLE)) {
/* we are ready to put up the splash image! */
splash_init(sc->adp, scsplash_callback, sc);
sc->flags |= SC_SPLASH_SCRN;
}
#endif /* NSPLASH */
}
/* the rest is not necessary, if we have done it once */
if (sc->flags & SC_INIT_DONE)
return;
/* clear structures */
for (i = 1; i < sc->vtys; i++)
sc->console[i] = NULL;
/* initialize mapscrn arrays to a one to one map */
for (i = 0; i < sizeof(sc->scr_map); i++)
sc->scr_map[i] = sc->scr_rmap[i] = i;
sc->flags |= SC_INIT_DONE;
}
#if __i386__
static void
scterm(int unit, int flags)
{
sc_softc_t *sc;
sc = sc_get_softc(unit, flags & SC_KERNEL_CONSOLE);
if (sc == NULL)
return; /* shouldn't happen */
#if NSPLASH > 0
/* this console is no longer available for the splash screen */
if (sc->flags & SC_SPLASH_SCRN) {
splash_term(sc->adp);
sc->flags &= ~SC_SPLASH_SCRN;
}
#endif /* NSPLASH */
#if 0 /* XXX */
/* move the hardware cursor to the upper-left corner */
(*vidsw[sc->adapter]->set_hw_cursor)(sc->adp, 0, 0);
#endif
/* release the keyboard and the video card */
if (sc->keyboard >= 0)
kbd_release(sc->kbd, &sc->keyboard);
if (sc->adapter >= 0)
vid_release(sc->adp, &sc->adapter);
/* clear the structure */
if (!(flags & SC_KERNEL_CONSOLE)) {
free(sc->console, M_DEVBUF);
free(sc->tty, M_DEVBUF);
#ifdef DEVFS
free(sc->devfs_token, M_DEVBUF);
#endif
#ifndef SC_NO_FONT_LOADING
free(sc->font_8, M_DEVBUF);
free(sc->font_14, M_DEVBUF);
free(sc->font_16, M_DEVBUF);
#endif
/* XXX vtb, history */
}
bzero(sc, sizeof(*sc));
sc->keyboard = -1;
sc->adapter = -1;
}
#endif
static void
scshutdown(int howto, void *arg)
{
/* assert(sc_console != NULL) */
sc_touch_scrn_saver();
if (!cold && sc_console
&& sc_console->sc->cur_scp->smode.mode == VT_AUTO
&& sc_console->smode.mode == VT_AUTO)
switch_scr(sc_console->sc, sc_console->index);
shutdown_in_progress = TRUE;
}
int
sc_clean_up(scr_stat *scp)
{
#if NSPLASH > 0
int error;
#endif /* NSPLASH */
sc_touch_scrn_saver();
#if NSPLASH > 0
if ((error = wait_scrn_saver_stop(scp->sc)))
return error;
#endif /* NSPLASH */
scp->status &= ~MOUSE_VISIBLE;
sc_remove_cutmarking(scp);
return 0;
}
void
sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard)
{
sc_vtb_t new;
sc_vtb_t old;
int s;
old = scp->vtb;
sc_vtb_init(&new, VTB_MEMORY, scp->xsize, scp->ysize, NULL, wait);
if (!discard && (old.vtb_flags & VTB_VALID)) {
/* retain the current cursor position and buffer contants */
scp->cursor_oldpos = scp->cursor_pos;
/*
* This works only if the old buffer has the same size as or larger
* than the new one. XXX
*/
sc_vtb_copy(&old, 0, &new, 0, scp->xsize*scp->ysize);
scp->vtb = new;
} else {
/* clear the screen and move the text cursor to the top-left position */
s = splhigh();
scp->vtb = new;
sc_clear_screen(scp);
splx(s);
sc_vtb_destroy(&old);
}
#ifndef SC_NO_SYSMOUSE
/* move the mouse cursor at the center of the screen */
sc_mouse_move(scp, scp->xpixel / 2, scp->ypixel / 2);
#endif
}
static scr_stat
*alloc_scp(sc_softc_t *sc, int vty)
{
scr_stat *scp;
/* assert(sc_malloc) */
scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK);
init_scp(sc, vty, scp);
sc_alloc_scr_buffer(scp, TRUE, TRUE);
#ifndef SC_NO_SYSMOUSE
if (ISMOUSEAVAIL(sc->adp->va_flags))
sc_alloc_cut_buffer(scp, TRUE);
#endif
#ifndef SC_NO_HISTORY
sc_alloc_history_buffer(scp, 0, 0, TRUE);
#endif
sc_clear_screen(scp);
return scp;
}
static void
init_scp(sc_softc_t *sc, int vty, scr_stat *scp)
{
video_info_t info;
scp->index = vty;
scp->sc = sc;
scp->status = 0;
scp->mode = sc->initial_mode;
(*vidsw[sc->adapter]->get_info)(sc->adp, scp->mode, &info);
if (info.vi_flags & V_INFO_GRAPHICS) {
scp->status |= GRAPHICS_MODE;
scp->xpixel = info.vi_width;
scp->ypixel = info.vi_height;
scp->xsize = info.vi_width/8;
scp->ysize = info.vi_height/info.vi_cheight;
scp->font_size = FONT_NONE;
scp->font = NULL;
} else {
scp->xsize = info.vi_width;
scp->ysize = info.vi_height;
scp->xpixel = scp->xsize*8;
scp->ypixel = scp->ysize*info.vi_cheight;
if (info.vi_cheight < 14) {
scp->font_size = 8;
#ifndef SC_NO_FONT_LOADING
scp->font = sc->font_8;
#else
scp->font = NULL;
#endif
} else if (info.vi_cheight >= 16) {
scp->font_size = 16;
#ifndef SC_NO_FONT_LOADING
scp->font = sc->font_16;
#else
scp->font = NULL;
#endif
} else {
scp->font_size = 14;
#ifndef SC_NO_FONT_LOADING
scp->font = sc->font_14;
#else
scp->font = NULL;
#endif
}
}
sc_vtb_init(&scp->vtb, VTB_MEMORY, 0, 0, NULL, FALSE);
sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, 0, 0, NULL, FALSE);
scp->xoff = scp->yoff = 0;
scp->xpos = scp->ypos = 0;
scp->saved_xpos = scp->saved_ypos = -1;
scp->start = scp->xsize * scp->ysize - 1;
scp->end = 0;
scp->term.esc = 0;
scp->term.attr_mask = NORMAL_ATTR;
scp->term.cur_attr =
scp->term.cur_color = scp->term.std_color =
current_default->std_color;
scp->term.rev_color = current_default->rev_color;
scp->border = BG_BLACK;
scp->cursor_base = sc->cursor_base;
scp->cursor_height = imin(sc->cursor_height, scp->font_size);
scp->mouse_xpos = scp->xoff*8 + scp->xsize*8/2;
scp->mouse_ypos = (scp->ysize + scp->yoff)*scp->font_size/2;
scp->mouse_cut_start = scp->xsize*scp->ysize;
scp->mouse_cut_end = -1;
scp->mouse_signal = 0;
scp->mouse_pid = 0;
scp->mouse_proc = NULL;
scp->kbd_mode = K_XLATE;
scp->bell_pitch = bios_value.bell_pitch;
scp->bell_duration = BELL_DURATION;
scp->status |= (bios_value.shift_state & NLKED);
scp->status |= CURSOR_ENABLED;
scp->pid = 0;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
scp->history = NULL;
scp->history_pos = 0;
scp->history_size = 0;
/* what if the following call fails... XXX */
scp->rndr = sc_render_match(scp, scp->sc->adp,
scp->status & (GRAPHICS_MODE | PIXEL_MODE));
}
/*
* scgetc(flags) - get character from keyboard.
* If flags & SCGETC_CN, then avoid harmful side effects.
* If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
* return NOKEY if there is nothing there.
*/
static u_int
scgetc(sc_softc_t *sc, u_int flags)
{
scr_stat *scp;
u_int c;
int this_scr;
int f;
int i;
if (sc->kbd == NULL)
return NOKEY;
next_code:
#if 1
/* I don't like this, but... XXX */
if (flags & SCGETC_CN)
sccnupdate(sc->cur_scp);
#endif
scp = sc->cur_scp;
/* first see if there is something in the keyboard port */
for (;;) {
c = kbd_read_char(sc->kbd, !(flags & SCGETC_NONBLOCK));
if (c == ERRKEY) {
if (!(flags & SCGETC_CN))
do_bell(scp, bios_value.bell_pitch, BELL_DURATION);
} else if (c == NOKEY)
return c;
else
break;
}
/* make screensaver happy */
if (!(c & RELKEY))
sc_touch_scrn_saver();
#ifdef __i386__
if (!(flags & SCGETC_CN))
/* do the /dev/random device a favour */
add_keyboard_randomness(c);
#endif
if (scp->kbd_mode != K_XLATE)
return KEYCHAR(c);
/* if scroll-lock pressed allow history browsing */
if (!ISGRAPHSC(scp) && scp->history && scp->status & SLKED) {
scp->status &= ~CURSOR_ENABLED;
remove_cursor_image(scp);
#ifndef SC_NO_HISTORY
if (!(scp->status & BUFFER_SAVED)) {
scp->status |= BUFFER_SAVED;
sc_hist_save(scp);
}
switch (c) {
/* FIXME: key codes */
case SPCLKEY | FKEY | F(49): /* home key */
sc_remove_cutmarking(scp);
sc_hist_home(scp);
goto next_code;
case SPCLKEY | FKEY | F(57): /* end key */
sc_remove_cutmarking(scp);
sc_hist_end(scp);
goto next_code;
case SPCLKEY | FKEY | F(50): /* up arrow key */
sc_remove_cutmarking(scp);
if (sc_hist_up_line(scp))
if (!(flags & SCGETC_CN))
do_bell(scp, bios_value.bell_pitch, BELL_DURATION);
goto next_code;
case SPCLKEY | FKEY | F(58): /* down arrow key */
sc_remove_cutmarking(scp);
if (sc_hist_down_line(scp))
if (!(flags & SCGETC_CN))
do_bell(scp, bios_value.bell_pitch, BELL_DURATION);
goto next_code;
case SPCLKEY | FKEY | F(51): /* page up key */
sc_remove_cutmarking(scp);
for (i=0; i<scp->ysize; i++)
if (sc_hist_up_line(scp)) {
if (!(flags & SCGETC_CN))
do_bell(scp, bios_value.bell_pitch, BELL_DURATION);
break;
}
goto next_code;
case SPCLKEY | FKEY | F(59): /* page down key */
sc_remove_cutmarking(scp);
for (i=0; i<scp->ysize; i++)
if (sc_hist_down_line(scp)) {
if (!(flags & SCGETC_CN))
do_bell(scp, bios_value.bell_pitch, BELL_DURATION);
break;
}
goto next_code;
}
#endif /* SC_NO_HISTORY */
}
/*
* Process and consume special keys here. Return a plain char code
* or a char code with the META flag or a function key code.
*/
if (c & RELKEY) {
/* key released */
/* goto next_code */
} else {
/* key pressed */
if (c & SPCLKEY) {
c &= ~SPCLKEY;
switch (KEYCHAR(c)) {
/* LOCKING KEYS */
case NLK: case CLK: case ALK:
break;
case SLK:
kbd_ioctl(sc->kbd, KDGKBSTATE, (caddr_t)&f);
if (f & SLKED) {
scp->status |= SLKED;
} else {
if (scp->status & SLKED) {
scp->status &= ~SLKED;
#ifndef SC_NO_HISTORY
if (scp->status & BUFFER_SAVED) {
if (!sc_hist_restore(scp))
sc_remove_cutmarking(scp);
scp->status &= ~BUFFER_SAVED;
scp->status |= CURSOR_ENABLED;
draw_cursor_image(scp);
}
#endif
scstart(VIRTUAL_TTY(sc, scp->index));
}
}
break;
/* NON-LOCKING KEYS */
case NOP:
case LSH: case RSH: case LCTR: case RCTR:
case LALT: case RALT: case ASH: case META:
break;
case BTAB:
if (!(sc->flags & SC_SCRN_BLANKED))
return c;
break;
case SPSC:
#if NSPLASH > 0
/* force activatation/deactivation of the screen saver */
if (!(sc->flags & SC_SCRN_BLANKED)) {
run_scrn_saver = TRUE;
sc->scrn_time_stamp -= scrn_blank_time;
}
if (cold) {
/*
* While devices are being probed, the screen saver need
* to be invoked explictly. XXX
*/
if (sc->flags & SC_SCRN_BLANKED) {
scsplash_stick(FALSE);
stop_scrn_saver(sc, current_saver);
} else {
if (!ISGRAPHSC(scp)) {
scsplash_stick(TRUE);
(*current_saver)(sc, TRUE);
}
}
}
#endif /* NSPLASH */
break;
case RBT:
#ifndef SC_DISABLE_REBOOT
shutdown_nice();
#endif
break;
#if NAPM > 0
case SUSP:
apm_suspend(PMST_SUSPEND);
break;
case STBY:
apm_suspend(PMST_STANDBY);
break;
#else
case SUSP:
case STBY:
break;
#endif
case DBG:
#ifndef SC_DISABLE_DDBKEY
#ifdef DDB
if (debugger)
break;
/* try to switch to the kernel console screen */
if (sc_console) {
/*
* TRY to make sure the screen saver is stopped,
* and the screen is updated before switching to
* the vty0.
*/
scrn_timer(NULL);
if (!cold
&& sc_console->sc->cur_scp->smode.mode == VT_AUTO
&& sc_console->smode.mode == VT_AUTO)
switch_scr(sc_console->sc, sc_console->index);
}
Debugger("manual escape to debugger");
#else
printf("No debugger in kernel\n");
#endif
#else /* SC_DISABLE_DDBKEY */
/* do nothing */
#endif /* SC_DISABLE_DDBKEY */
break;
case NEXT:
this_scr = scp->index;
for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
sc->first_vty + i != this_scr;
i = (i + 1)%sc->vtys) {
struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
if (tp->t_state & TS_ISOPEN) {
switch_scr(scp->sc, sc->first_vty + i);
break;
}
}
break;
case PREV:
this_scr = scp->index;
for (i = (this_scr - sc->first_vty + sc->vtys - 1)%sc->vtys;
sc->first_vty + i != this_scr;
i = (i + sc->vtys - 1)%sc->vtys) {
struct tty *tp = VIRTUAL_TTY(sc, sc->first_vty + i);
if (tp->t_state & TS_ISOPEN) {
switch_scr(scp->sc, sc->first_vty + i);
break;
}
}
break;
default:
if (KEYCHAR(c) >= F_SCR && KEYCHAR(c) <= L_SCR) {
switch_scr(scp->sc, sc->first_vty + KEYCHAR(c) - F_SCR);
break;
}
/* assert(c & FKEY) */
if (!(sc->flags & SC_SCRN_BLANKED))
return c;
break;
}
/* goto next_code */
} else {
/* regular keys (maybe MKEY is set) */
if (!(sc->flags & SC_SCRN_BLANKED))
return c;
}
}
goto next_code;
}
int
scmmap(dev_t dev, vm_offset_t offset, int nprot)
{
struct tty *tp;
struct scr_stat *scp;
tp = scdevtotty(dev);
if (!tp)
return ENXIO;
scp = sc_get_scr_stat(tp->t_dev);
return (*vidsw[scp->sc->adapter]->mmap)(scp->sc->adp, offset, nprot);
}
/*
* Calculate hardware attributes word using logical attributes mask and
* hardware colors
*/
static int
mask2attr(struct term_stat *term)
{
int attr, mask = term->attr_mask;
if (mask & REVERSE_ATTR) {
attr = ((mask & FOREGROUND_CHANGED) ?
((term->cur_color & 0xF000) >> 4) :
(term->rev_color & 0x0F00)) |
((mask & BACKGROUND_CHANGED) ?
((term->cur_color & 0x0F00) << 4) :
(term->rev_color & 0xF000));
} else
attr = term->cur_color;
/* XXX: underline mapping for Hercules adapter can be better */
if (mask & (BOLD_ATTR | UNDERLINE_ATTR))
attr ^= 0x0800;
if (mask & BLINK_ATTR)
attr ^= 0x8000;
return attr;
}
static int
save_kbd_state(scr_stat *scp)
{
int state;
int error;
error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
if (error == ENOIOCTL)
error = ENODEV;
if (error == 0) {
scp->status &= ~LOCK_MASK;
scp->status |= state;
}
return error;
}
static int
update_kbd_state(scr_stat *scp, int new_bits, int mask)
{
int state;
int error;
if (mask != LOCK_MASK) {
error = kbd_ioctl(scp->sc->kbd, KDGKBSTATE, (caddr_t)&state);
if (error == ENOIOCTL)
error = ENODEV;
if (error)
return error;
state &= ~mask;
state |= new_bits & mask;
} else {
state = new_bits & LOCK_MASK;
}
error = kbd_ioctl(scp->sc->kbd, KDSKBSTATE, (caddr_t)&state);
if (error == ENOIOCTL)
error = ENODEV;
return error;
}
static int
update_kbd_leds(scr_stat *scp, int which)
{
int error;
which &= LOCK_MASK;
error = kbd_ioctl(scp->sc->kbd, KDSETLED, (caddr_t)&which);
if (error == ENOIOCTL)
error = ENODEV;
return error;
}
int
set_mode(scr_stat *scp)
{
video_info_t info;
/* reject unsupported mode */
if ((*vidsw[scp->sc->adapter]->get_info)(scp->sc->adp, scp->mode, &info))
return 1;
/* if this vty is not currently showing, do nothing */
if (scp != scp->sc->cur_scp)
return 0;
/* setup video hardware for the given mode */
(*vidsw[scp->sc->adapter]->set_mode)(scp->sc->adp, scp->mode);
sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
(void *)scp->sc->adp->va_window, FALSE);
#ifndef SC_NO_FONT_LOADING
/* load appropriate font */
if (!(scp->status & GRAPHICS_MODE)) {
if (!(scp->status & PIXEL_MODE) && ISFONTAVAIL(scp->sc->adp->va_flags)) {
if (scp->font_size < 14) {
if (scp->sc->fonts_loaded & FONT_8)
copy_font(scp, LOAD, 8, scp->sc->font_8);
} else if (scp->font_size >= 16) {
if (scp->sc->fonts_loaded & FONT_16)
copy_font(scp, LOAD, 16, scp->sc->font_16);
} else {
if (scp->sc->fonts_loaded & FONT_14)
copy_font(scp, LOAD, 14, scp->sc->font_14);
}
/*
* FONT KLUDGE:
* This is an interim kludge to display correct font.
* Always use the font page #0 on the video plane 2.
* Somehow we cannot show the font in other font pages on
* some video cards... XXX
*/
(*vidsw[scp->sc->adapter]->show_font)(scp->sc->adp, 0);
}
mark_all(scp);
}
#endif /* !SC_NO_FONT_LOADING */
set_border(scp, scp->border);
sc_set_cursor_image(scp);
return 0;
}
void
set_border(scr_stat *scp, int color)
{
++scp->sc->videoio_in_progress;
(*scp->rndr->draw_border)(scp, color);
--scp->sc->videoio_in_progress;
}
#ifndef SC_NO_FONT_LOADING
void
copy_font(scr_stat *scp, int operation, int font_size, u_char *buf)
{
/*
* FONT KLUDGE:
* This is an interim kludge to display correct font.
* Always use the font page #0 on the video plane 2.
* Somehow we cannot show the font in other font pages on
* some video cards... XXX
*/
scp->sc->font_loading_in_progress = TRUE;
if (operation == LOAD) {
(*vidsw[scp->sc->adapter]->load_font)(scp->sc->adp, 0, font_size,
buf, 0, 256);
} else if (operation == SAVE) {
(*vidsw[scp->sc->adapter]->save_font)(scp->sc->adp, 0, font_size,
buf, 0, 256);
}
scp->sc->font_loading_in_progress = FALSE;
}
#endif /* !SC_NO_FONT_LOADING */
#ifndef SC_NO_SYSMOUSE
struct tty
*sc_get_mouse_tty(void)
{
return MOUSE_TTY;
}
#endif /* !SC_NO_SYSMOUSE */
#ifndef SC_NO_CUTPASTE
void
sc_paste(scr_stat *scp, u_char *p, int count)
{
struct tty *tp;
u_char *rmap;
if (scp->status & MOUSE_VISIBLE) {
tp = VIRTUAL_TTY(scp->sc, scp->sc->cur_scp->index);
rmap = scp->sc->scr_rmap;
for (; count > 0; --count)
(*linesw[tp->t_line].l_rint)(rmap[*p++], tp);
}
}
#endif /* SC_NO_CUTPASTE */
static void
do_bell(scr_stat *scp, int pitch, int duration)
{
if (cold || shutdown_in_progress)
return;
if (scp != scp->sc->cur_scp && (scp->sc->flags & SC_QUIET_BELL))
return;
if (scp->sc->flags & SC_VISUAL_BELL) {
if (scp->sc->blink_in_progress)
return;
scp->sc->blink_in_progress = 3;
if (scp != scp->sc->cur_scp)
scp->sc->blink_in_progress += 2;
blink_screen(scp->sc->cur_scp);
} else {
if (scp != scp->sc->cur_scp)
pitch *= 2;
sysbeep(pitch, duration);
}
}
static void
blink_screen(void *arg)
{
scr_stat *scp = arg;
if (ISGRAPHSC(scp) || (scp->sc->blink_in_progress <= 1)) {
scp->sc->blink_in_progress = 0;
mark_all(scp);
scstart(VIRTUAL_TTY(scp->sc, scp->index));
if (scp->sc->delayed_next_scr)
switch_scr(scp->sc, scp->sc->delayed_next_scr - 1);
}
else {
(*scp->rndr->draw)(scp, 0, scp->xsize*scp->ysize,
scp->sc->blink_in_progress & 1);
scp->sc->blink_in_progress--;
timeout(blink_screen, scp, hz / 10);
}
}
#endif /* NSC */
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