static int
txt_splash(video_adapter_t *adp, const int on)
{
sc_softc_t *sc;
scr_stat *scp;
sc = sc_find_softc(adp, NULL);
if (sc == NULL)
return (EAGAIN);
scp = sc->cur_scp;
if (on) {
if (!splash_on) {
if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
return EAGAIN;
/* Clear screen and set border colour. */
sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
(FG_LIGHTGREY | BG_BLACK) << 8);
(*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
sc_set_border(scp, 0);
splash_on = TRUE;
/* Display the splash screen. */
draw_text_splash(sc);
}
return (0);
} else {
/* The video mode will be restored by the caller. */
splash_on = FALSE;
return (0);
}
}
int
sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
{
scr_stat *scp;
int error;
switch (cmd) {
case CONS_HISTORY: /* set history size */
scp = SC_STAT(tp);
if (*(int *)data <= 0)
return EINVAL;
if (scp->status & BUFFER_SAVED)
return EBUSY;
DPRINTF(5, ("lines:%d, ysize:%d, pool:%d\n",
*(int *)data, scp->ysize, extra_history_size));
error = sc_alloc_history_buffer(scp,
imax(*(int *)data, scp->ysize),
scp->ysize, TRUE);
DPRINTF(5, ("error:%d, rows:%d, pool:%d\n", error,
sc_vtb_rows(scp->history), extra_history_size));
return error;
case CONS_CLRHIST:
scp = SC_STAT(tp);
sc_vtb_clear(scp->history, scp->sc->scr_map[0x20],
SC_NORM_ATTR << 8);
return 0;
}
return ENOIOCTL;
}
static void
scteken_clear(scr_stat *scp)
{
sc_move_cursor(scp, 0, 0);
sc_vtb_clear(&scp->vtb, scp->sc->scr_map[0x20], SC_NORM_ATTR << 8);
mark_all(scp);
}
/*
* Alternate saver that got its inspiration from a well known utility
* package for an inferior^H^H^H^H^H^Hfamous OS.
*/
static int
star_saver(video_adapter_t *adp, int blank)
{
sc_softc_t *sc;
scr_stat *scp;
int cell, i;
static u_char pattern[] = {"...........++++*** "};
static char color16[] = {FG_DARKGREY, FG_LIGHTGREY,
FG_WHITE, FG_LIGHTCYAN};
static char color8[] = {FG_BLUE, FG_BROWN,
FG_LIGHTGREY, FG_CYAN};
static char *colors;
static u_short stars[NUM_STARS][2];
sc = sc_find_softc(adp, NULL);
if (sc == NULL)
return EAGAIN;
scp = sc->cur_scp;
if (blank) {
if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
return EAGAIN;
if (!blanked) {
switch (adp->va_mode) {
case M_PC98_80x25:
case M_PC98_80x30:
colors = color8;
break;
default:
colors = color16;
break;
}
/* clear the screen and set the border color */
sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
(FG_LIGHTGREY | BG_BLACK) << 8);
vidd_set_hw_cursor(adp, -1, -1);
sc_set_border(scp, 0);
blanked = TRUE;
for(i=0; i<NUM_STARS; i++) {
stars[i][0] =
random() % (scp->xsize*scp->ysize);
stars[i][1] = 0;
}
}
cell = random() % NUM_STARS;
sc_vtb_putc(&scp->scr, stars[cell][0],
sc->scr_map[pattern[stars[cell][1]]],
colors[random()%sizeof(color16)] << 8);
if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) {
stars[cell][0] = random() % (scp->xsize*scp->ysize);
stars[cell][1] = 0;
}
} else
blanked = FALSE;
return 0;
}
/* allocate a history buffer */
int
sc_alloc_history_buffer(scr_stat *scp, int lines, int prev_ysize, int wait)
{
/*
* syscons unconditionally allocates buffers up to
* SC_HISTORY_SIZE lines or scp->ysize lines, whichever
* is larger. A value greater than that is allowed,
* subject to extra_history_size.
*/
sc_vtb_t *history;
sc_vtb_t *prev_history;
int cur_lines; /* current buffer size */
int min_lines; /* guaranteed buffer size */
int delta; /* lines to put back */
if (lines <= 0)
lines = SC_HISTORY_SIZE; /* use the default value */
/* make it at least as large as the screen size */
lines = imax(lines, scp->ysize);
/* remove the history buffer while we update it */
history = prev_history = scp->history;
scp->history = NULL;
/* calculate the amount of lines to put back to extra_history_size */
delta = 0;
if (prev_history) {
cur_lines = sc_vtb_rows(history);
min_lines = imax(SC_HISTORY_SIZE, prev_ysize);
if (cur_lines > min_lines)
delta = cur_lines - min_lines;
}
/* lines up to min_lines are always allowed. */
min_lines = imax(SC_HISTORY_SIZE, scp->ysize);
if (lines > min_lines) {
if (lines - min_lines > extra_history_size + delta) {
/* too many lines are requested */
scp->history = prev_history;
return EINVAL;
}
}
/* allocate a new buffer */
history = (sc_vtb_t *)malloc(sizeof(*history),
M_DEVBUF,
(wait) ? M_WAITOK : M_NOWAIT);
if (history != NULL) {
if (lines > min_lines)
extra_history_size -= lines - min_lines;
/* XXX error check? */
sc_vtb_init(history, VTB_RINGBUFFER, scp->xsize, lines,
NULL, wait);
/* FIXME: XXX no good? */
sc_vtb_clear(history, scp->sc->scr_map[0x20],
SC_NORM_ATTR << 8);
if (prev_history != NULL)
copy_history(prev_history, history);
scp->history_pos = sc_vtb_tail(history);
} else {
scp->history_pos = 0;
}
/* destroy the previous buffer */
if (prev_history != NULL) {
extra_history_size += delta;
sc_vtb_destroy(prev_history);
free(prev_history, M_DEVBUF);
}
scp->history = history;
return 0;
}
static int
snake_saver(video_adapter_t *adp, int blank)
{
static int dirx, diry;
int f;
sc_softc_t *sc;
scr_stat *scp;
/* XXX hack for minimal changes. */
#define save message
#define savs messagep
sc = sc_find_softc(adp, NULL);
if (sc == NULL)
return EAGAIN;
scp = sc->cur_scp;
if (blank) {
if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
return EAGAIN;
if (blanked <= 0) {
#ifdef PC98
if (epson_machine_id == 0x20) {
outb(0x43f, 0x42);
outb(0x0c17, inb(0xc17) & ~0x08);
outb(0x43f, 0x40);
}
#endif /* PC98 */
sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
(FG_LIGHTGREY | BG_BLACK) << 8);
(*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
sc_set_border(scp, 0);
dirx = (scp->xpos ? 1 : -1);
diry = (scp->ypos ?
scp->xsize : -scp->xsize);
for (f=0; f< messagelen; f++)
savs[f] = scp->xpos + scp->ypos*scp->xsize;
sc_vtb_putc(&scp->scr, savs[0], sc->scr_map[*save],
(FG_LIGHTGREY | BG_BLACK) << 8);
blanked = 1;
}
if (blanked++ < 4)
return 0;
blanked = 1;
sc_vtb_putc(&scp->scr, savs[messagelen - 1], sc->scr_map[0x20],
(FG_LIGHTGREY | BG_BLACK) << 8);
for (f=messagelen-1; f > 0; f--)
savs[f] = savs[f-1];
f = savs[0];
if ((f % scp->xsize) == 0 ||
(f % scp->xsize) == scp->xsize - 1 ||
(random() % 50) == 0)
dirx = -dirx;
if ((f / scp->xsize) == 0 ||
(f / scp->xsize) == scp->ysize - 1 ||
(random() % 20) == 0)
diry = -diry;
savs[0] += dirx + diry;
for (f=messagelen-1; f>=0; f--)
sc_vtb_putc(&scp->scr, savs[f], sc->scr_map[save[f]],
(FG_LIGHTGREY | BG_BLACK) << 8);
}
else {
#ifdef PC98
if (epson_machine_id == 0x20) {
outb(0x43f, 0x42);
outb(0x0c17, inb(0xc17) | 0x08);
outb(0x43f, 0x40);
}
#endif /* PC98 */
blanked = 0;
}
return 0;
}
/*
* Alternate saver that got its inspiration from a well known utility
* package for an inferior^H^H^H^H^H^Hfamous OS.
*/
static int
star_saver(video_adapter_t *adp, int blank)
{
sc_softc_t *sc;
scr_stat *scp;
int cell, i;
static u_char pattern[] = {"...........++++*** "};
#ifndef PC98
static char colors[] = {FG_DARKGREY, FG_LIGHTGREY,
FG_WHITE, FG_LIGHTCYAN};
#else
static char colors[] = {FG_BLUE, FG_LIGHTGREY,
FG_LIGHTGREY, FG_CYAN};
#endif /* PC98 */
static u_short stars[NUM_STARS][2];
sc = sc_find_softc(adp, NULL);
if (sc == NULL)
return EAGAIN;
scp = sc->cur_scp;
if (blank) {
if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
return EAGAIN;
if (!blanked) {
#ifdef PC98
if (epson_machine_id == 0x20) {
outb(0x43f, 0x42);
outb(0x0c17, inb(0xc17) & ~0x08);
outb(0x43f, 0x40);
}
#endif /* PC98 */
/* clear the screen and set the border color */
sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
(FG_LIGHTGREY | BG_BLACK) << 8);
(*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1);
sc_set_border(scp, 0);
blanked = TRUE;
for(i=0; i<NUM_STARS; i++) {
stars[i][0] =
random() % (scp->xsize*scp->ysize);
stars[i][1] = 0;
}
}
cell = random() % NUM_STARS;
sc_vtb_putc(&scp->scr, stars[cell][0],
sc->scr_map[pattern[stars[cell][1]]],
colors[random()%sizeof(colors)] << 8);
if ((stars[cell][1]+=(random()%4)) >= sizeof(pattern)-1) {
stars[cell][0] = random() % (scp->xsize*scp->ysize);
stars[cell][1] = 0;
}
}
else {
#ifdef PC98
if (epson_machine_id == 0x20) {
outb(0x43f, 0x42);
outb(0x0c17, inb(0xc17) | 0x08);
outb(0x43f, 0x40);
}
#endif /* PC98 */
blanked = FALSE;
}
return 0;
}
static int
daemon_saver(video_adapter_t *adp, int blank)
{
static int txpos = 10, typos = 10;
static int txdir = -1, tydir = -1;
static int dxpos = 0, dypos = 0;
static int dxdir = 1, dydir = 1;
static int moved_daemon = 0;
static int xoff, yoff, toff;
static int xlen, ylen, tlen;
sc_softc_t *sc;
scr_stat *scp;
int min, max;
sc = sc_find_softc(adp, NULL);
if (sc == NULL)
return EAGAIN;
scp = sc->cur_scp;
if (blank) {
if (adp->va_info.vi_flags & V_INFO_GRAPHICS)
return EAGAIN;
if (blanked == 0) {
/* clear the screen and set the border color */
sc_vtb_clear(&scp->scr, sc->scr_map[0x20],
ATTR(FG_LIGHTGREY | BG_BLACK));
vidd_set_hw_cursor(adp, -1, -1);
sc_set_border(scp, 0);
xlen = ylen = tlen = 0;
}
if (blanked++ < 2)
return 0;
blanked = 1;
clear_daemon(sc, dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
clear_string(sc, txpos, typos, toff, message, tlen);
if (++moved_daemon) {
/*
* The daemon picture may be off the screen, if
* screen size is chagened while the screen
* saver is inactive. Make sure the origin of
* the picture is between min and max.
*/
if (scp->xsize <= DAEMON_MAX_WIDTH) {
/*
* If the screen width is too narrow, we
* allow part of the picture go off
* the screen so that the daemon won't
* flip too often.
*/
min = scp->xsize - DAEMON_MAX_WIDTH - 10;
max = 10;
} else {
min = 0;
max = scp->xsize - DAEMON_MAX_WIDTH;
}
if (dxpos <= min) {
dxpos = min;
dxdir = 1;
} else if (dxpos >= max) {
dxpos = max;
dxdir = -1;
}
if (scp->ysize <= DAEMON_MAX_HEIGHT) {
min = scp->ysize - DAEMON_MAX_HEIGHT - 10;
max = 10;
} else {
min = 0;
max = scp->ysize - DAEMON_MAX_HEIGHT;
}
if (dypos <= min) {
dypos = min;
dydir = 1;
} else if (dypos >= max) {
dypos = max;
dydir = -1;
}
moved_daemon = -1;
dxpos += dxdir; dypos += dydir;
/* clip the picture */
xoff = 0;
xlen = DAEMON_MAX_WIDTH;
if (dxpos + xlen <= 0)
xlen = 0;
else if (dxpos < 0)
xoff = -dxpos;
if (dxpos >= scp->xsize)
xlen = 0;
else if (dxpos + xlen > scp->xsize)
xlen = scp->xsize - dxpos;
yoff = 0;
ylen = DAEMON_MAX_HEIGHT;
if (dypos + ylen <= 0)
ylen = 0;
else if (dypos < 0)
yoff = -dypos;
if (dypos >= scp->ysize)
ylen = 0;
else if (dypos + ylen > scp->ysize)
ylen = scp->ysize - dypos;
}
if (scp->xsize <= messagelen) {
min = scp->xsize - messagelen - 10;
max = 10;
} else {
min = 0;
max = scp->xsize - messagelen;
}
if (txpos <= min) {
txpos = min;
txdir = 1;
} else if (txpos >= max) {
txpos = max;
txdir = -1;
}
if (typos <= 0) {
typos = 0;
tydir = 1;
} else if (typos >= scp->ysize - 1) {
typos = scp->ysize - 1;
tydir = -1;
}
txpos += txdir; typos += tydir;
toff = 0;
tlen = messagelen;
if (txpos + tlen <= 0)
tlen = 0;
else if (txpos < 0)
toff = -txpos;
if (txpos >= scp->xsize)
tlen = 0;
else if (txpos + tlen > scp->xsize)
tlen = scp->xsize - txpos;
draw_daemon(sc, dxpos, dypos, dxdir, xoff, yoff, xlen, ylen);
draw_string(sc, txpos, typos, toff, message, tlen);
} else
blanked = 0;
return 0;
}
