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freebsd/sys/i386/isa/syscons.c
Bruce Evans 9fa18570a2 Obtained from: partly from ancient patches of mine via 1.1.5 
Introduce TS_CONNECTED and TS_ZOMBIE states.  TS_CONNECTED is set
while a connection is established.  It is set while (TS_CARR_ON or
CLOCAL is set) and TS_ZOMBIE is clear.  TS_ZOMBIE is set for on to
off transitions of TS_CARR_ON that occur when CLOCAL is clear and
is cleared for off to on transitions of CLOCAL.  I/o can only occur
while TS_CONNECTED is set.  TS_ZOMBIE prevents further i/o.

Split the input-event sleep address TSA_CARR_ON(tp) into TSA_CARR_ON(tp)
and TSA_HUP_OR_INPUT(tp).  The former address is now used only for
off to on carrier transitions and equivalent CLOCAL transitions.
The latter is used for all input events, all carrier transitions
and certain CLOCAL transitions.  There are some harmless extra
wakeups for rare connection- related events.  Previously there were
too many extra wakeups for non-rare input events.

Drivers now call l_modem() instead of setting TS_CARR_ON directly
to handle even the initial off to on transition of carrier.  They
should always have done this.  l_modem() now handles TS_CONNECTED
and TS_ZOMBIE as well as TS_CARR_ON.

gnu/isdn/iitty.c:
Set TS_CONNECTED for first open ourself to go with bogusly setting
CLOCAL.

i386/isa/syscons.c, i386/isa/pcvt/pcvt_drv.c:
We fake carrier, so don't also fake CLOCAL.

kern/tty.c:
Testing TS_CONNECTED instead of TS_CARR_ON fixes TIOCCONS forgetting to
test CLOCAL.  TS_ISOPEN was tested instead, but that broke when we disabled
the clearing of TS_ISOPEN for certain transitions of CLOCAL.

Testing TS_CONNECTED fixes ttyselect() returning false success for output
to devices in state !TS_CARR_ON && !CLOCAL.

Optimize the other selwakeup() call (this is not related to the other
changes).

kern/tty_pty.c:
ptcopen() can be declared in traditional C now that dev_t isn't short.
1995-07-31 21:02:00 +00:00

3067 lines
78 KiB
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/*-
* Copyright (c) 1992-1995 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
* in this position and unchanged.
* 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 withough 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 1.121 1995/07/22 01:30:05 bde Exp $
*/
#include "sc.h"
#include "apm.h"
#if NSC > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <sys/callout.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/devconf.h>
#include <machine/clock.h>
#include <machine/console.h>
#include <machine/psl.h>
#include <machine/frame.h>
#include <machine/pc/display.h>
#include <machine/apm_bios.h>
#include <i386/isa/isa.h>
#include <i386/isa/isa_device.h>
#include <i386/isa/timerreg.h>
#include <i386/isa/kbdtables.h>
#include <i386/i386/cons.h>
#include <i386/isa/syscons.h>
#if !defined(MAXCONS)
#define MAXCONS 16
#endif
/* this may break on older VGA's but is usefull on real 32 bit systems */
#define bcopyw bcopy
static default_attr user_default = {
(FG_LIGHTGREY | BG_BLACK) << 8,
(FG_BLACK | BG_LIGHTGREY) << 8
};
static default_attr kernel_default = {
(FG_WHITE | BG_BLACK) << 8,
(FG_BLACK | BG_LIGHTGREY) << 8
};
static scr_stat main_console;
static scr_stat *console[MAXCONS];
scr_stat *cur_console;
static scr_stat *new_scp, *old_scp;
static term_stat kernel_console;
static default_attr *current_default;
static char init_done = FALSE;
static int configuration = 0;
static char switch_in_progress = FALSE;
static char blink_in_progress = FALSE;
static char write_in_progress = FALSE;
u_int crtc_addr = MONO_BASE;
static char crtc_vga = FALSE;
static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0;
static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0;
static char *font_8 = NULL, *font_14 = NULL, *font_16 = NULL;
static int fonts_loaded = 0;
char palette[3*256];
static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab);
static int delayed_next_scr = FALSE;
static long scrn_blank_time = 0; /* screen saver timeout value */
int scrn_blanked = FALSE; /* screen saver active flag */
static int scrn_saver = 0; /* screen saver routine */
static long scrn_time_stamp;
u_char scr_map[256];
static char *video_mode_ptr = NULL;
#if ASYNCH
static u_char kbd_reply = 0;
#endif
static u_short mouse_and_mask[16] = {
0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80,
0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000
};
static u_short mouse_or_mask[16] = {
0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800,
0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000
};
void none_saver(int blank) { }
void (*current_saver)() = none_saver;
/* OS specific stuff */
#ifdef not_yet_done
#define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x]))
struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS]))
struct tty *sccons[MAXCONS+1];
#else
#define VIRTUAL_TTY(x) &sccons[x]
#define CONSOLE_TTY &sccons[MAXCONS]
struct tty sccons[MAXCONS+1];
int nsccons = MAXCONS+1;
#endif
#define MONO_BUF pa_to_va(0xB0000)
#define CGA_BUF pa_to_va(0xB8000)
u_short *Crtat = (u_short *)MONO_BUF;
#define WRAPHIST(scp, pointer, offset)\
((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\
+ (offset)) % (scp->history_size)))
struct isa_driver scdriver = {
scprobe, scattach, "sc", 1
};
int
scprobe(struct isa_device *dev)
{
int i, retries = 5;
unsigned char val;
/* Enable interrupts and keyboard controller */
kbd_wait();
outb(KB_STAT, KB_WRITE);
kbd_wait();
outb(KB_DATA, KB_MODE);
/* flush any noise in the buffer */
while (inb(KB_STAT) & KB_BUF_FULL) {
DELAY(10);
(void) inb(KB_DATA);
}
/* Reset keyboard hardware */
while (retries--) {
kbd_wait();
outb(KB_DATA, KB_RESET);
for (i=0; i<100000; i++) {
DELAY(10);
val = inb(KB_DATA);
if (val == KB_ACK || val == KB_ECHO)
goto gotres;
if (val == KB_RESEND)
break;
}
}
gotres:
if (!retries)
printf("scprobe: keyboard won't accept RESET command\n");
else {
gotack:
DELAY(10);
while ((inb(KB_STAT) & KB_BUF_FULL) == 0) DELAY(10);
DELAY(10);
val = inb(KB_DATA);
if (val == KB_ACK)
goto gotack;
if (val != KB_RESET_DONE)
printf("scprobe: keyboard RESET failed %02x\n", val);
}
#ifdef XT_KEYBOARD
kbd_wait();
outb(KB_DATA, 0xF0);
kbd_wait();
outb(KB_DATA, 1)
kbd_wait();
#endif /* XT_KEYBOARD */
return (IO_KBDSIZE);
}
static struct kern_devconf kdc_sc[NSC] = {
0, 0, 0, /* filled in by dev_attach */
"sc", 0, { MDDT_ISA, 0, "tty" },
isa_generic_externalize, 0, 0, ISA_EXTERNALLEN,
&kdc_isa0, /* parent */
0, /* parentdata */
DC_BUSY, /* the console is almost always busy */
"Graphics console",
DC_CLS_DISPLAY /* class */
};
static inline void
sc_registerdev(struct isa_device *id)
{
if(id->id_unit)
kdc_sc[id->id_unit] = kdc_sc[0];
kdc_sc[id->id_unit].kdc_unit = id->id_unit;
kdc_sc[id->id_unit].kdc_isa = id;
dev_attach(&kdc_sc[id->id_unit]);
}
#if NAPM > 0
static int
scresume(void *dummy)
{
shfts = 0;
ctls = 0;
alts = 0;
agrs = 0;
metas = 0;
return 0;
}
#endif
int
scattach(struct isa_device *dev)
{
scr_stat *scp;
scinit();
configuration = dev->id_flags;
scp = console[0];
if (crtc_vga) {
font_8 = (char *)malloc(8*256, M_DEVBUF, M_NOWAIT);
font_14 = (char *)malloc(14*256, M_DEVBUF, M_NOWAIT);
font_16 = (char *)malloc(16*256, M_DEVBUF, M_NOWAIT);
copy_font(SAVE, FONT_16, font_16);
fonts_loaded = FONT_16;
scp->font = FONT_16;
save_palette();
}
scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
M_DEVBUF, M_NOWAIT);
/* copy screen to buffer */
bcopyw(Crtat, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short));
scp->cursor_pos = scp->scr_buf + scp->xpos + scp->ypos * scp->xsize;
scp->mouse_pos = scp->scr_buf;
/* initialize history buffer & pointers */
scp->history_head = scp->history_pos = scp->history =
(u_short *)malloc(scp->history_size*sizeof(u_short),
M_DEVBUF, M_NOWAIT);
bzero(scp->history_head, scp->history_size*sizeof(u_short));
/* initialize cursor stuff */
draw_cursor(scp, TRUE);
if (crtc_vga && (configuration & CHAR_CURSOR))
set_destructive_cursor(scp, TRUE);
/* get screen update going */
scrn_timer();
update_leds(scp->status);
sc_registerdev(dev);
printf("sc%d: ", dev->id_unit);
if (crtc_vga)
if (crtc_addr == MONO_BASE)
printf("VGA mono");
else
printf("VGA color");
else
if (crtc_addr == MONO_BASE)
printf("MDA/hercules");
else
printf("CGA/EGA");
printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, configuration);
#if NAPM > 0
scp->r_hook.ah_fun = scresume;
scp->r_hook.ah_arg = NULL;
scp->r_hook.ah_name = "system keyboard";
scp->r_hook.ah_order = APM_MID_ORDER;
apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook);
#endif
return 0;
}
struct tty
*scdevtotty(dev_t dev)
{
int unit = minor(dev);
if (unit > MAXCONS || unit < 0)
return(NULL);
if (unit == MAXCONS)
return CONSOLE_TTY;
return VIRTUAL_TTY(unit);
}
static scr_stat
*get_scr_stat(dev_t dev)
{
int unit = minor(dev);
if (unit > MAXCONS || unit < 0)
return(NULL);
if (unit == MAXCONS)
return console[0];
return console[unit];
}
static int
get_scr_num()
{
int i = 0;
while ((i < MAXCONS) && (cur_console != console[i]))
i++;
return i < MAXCONS ? i : 0;
}
int
scopen(dev_t dev, int flag, int mode, struct proc *p)
{
struct tty *tp = scdevtotty(dev);
if (!tp)
return(ENXIO);
tp->t_oproc = scstart;
tp->t_param = scparam;
tp->t_dev = dev;
if (!(tp->t_state & TS_ISOPEN)) {
ttychars(tp);
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);
ttsetwater(tp);
(*linesw[tp->t_line].l_modem)(tp, 1);
}
else
if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
return(EBUSY);
if (!console[minor(dev)])
console[minor(dev)] = alloc_scp();
return((*linesw[tp->t_line].l_open)(dev, tp));
}
int
scclose(dev_t dev, int flag, int mode, struct proc *p)
{
struct tty *tp = scdevtotty(dev);
struct scr_stat *scp;
if (!tp)
return(ENXIO);
if (minor(dev) < MAXCONS) {
scp = get_scr_stat(tp->t_dev);
if (scp->status & SWITCH_WAIT_ACQ)
wakeup((caddr_t)&scp->smode);
#if not_yet_done
if (scp == &main_console) {
scp->pid = 0;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
}
else {
free(scp->scr_buf, M_DEVBUF);
free(scp->history, M_DEVBUF);
free(scp, M_DEVBUF);
console[minor(dev)] = NULL;
}
#else
scp->pid = 0;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
#endif
}
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
return(0);
}
int
scread(dev_t dev, struct uio *uio, int flag)
{
struct tty *tp = scdevtotty(dev);
if (!tp)
return(ENXIO);
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));
}
void
scintr(int unit)
{
static struct tty *cur_tty;
int c, len;
u_char *cp;
/* make screensaver happy */
scrn_time_stamp = time.tv_sec;
if (scrn_blanked) {
(*current_saver)(FALSE);
cur_console->start = 0;
cur_console->end = cur_console->xsize * cur_console->ysize;
}
c = scgetc(1);
cur_tty = VIRTUAL_TTY(get_scr_num());
if (!(cur_tty->t_state & TS_ISOPEN))
if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN))
return;
switch (c & 0xff00) {
case 0x0000: /* normal key */
(*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
break;
case NOKEY: /* nothing there */
break;
case FKEY: /* function key, return string */
if (cp = get_fstr((u_int)c, (u_int *)&len)) {
while (len-- > 0)
(*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, 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)(c & 0xFF, 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;
}
}
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, int cmd, caddr_t data, int flag, struct proc *p)
{
int i, error;
struct tty *tp;
struct trapframe *fp;
scr_stat *scp;
tp = scdevtotty(dev);
if (!tp)
return ENXIO;
scp = get_scr_stat(tp->t_dev);
switch (cmd) { /* process console hardware related ioctl's */
case GIO_ATTR: /* get current attributes */
*(int*)data = scp->term.cur_attr;
return 0;
case GIO_COLOR: /* is this a color console ? */
if (crtc_addr == COLOR_BASE)
*(int*)data = 1;
else
*(int*)data = 0;
return 0;
case CONS_CURRENT: /* get current adapter type */
if (crtc_vga)
*(int*)data = KD_VGA;
else
if (crtc_addr == MONO_BASE)
*(int*)data = KD_MONO;
else
*(int*)data = KD_CGA;
return 0;
case CONS_GET: /* get current video mode */
*(int*)data = scp->mode;
return 0;
case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
scrn_blank_time = *(int*)data;
return 0;
case CONS_CURSORTYPE: /* set cursor type blink/noblink */
if ((*(int*)data) & 0x01)
configuration |= BLINK_CURSOR;
else
configuration &= ~BLINK_CURSOR;
if ((*(int*)data) & 0x02) {
configuration |= CHAR_CURSOR;
set_destructive_cursor(scp, TRUE);
} else
configuration &= ~CHAR_CURSOR;
return 0;
case CONS_BELLTYPE: /* set bell type sound/visual */
if (*data)
configuration |= VISUAL_BELL;
else
configuration &= ~VISUAL_BELL;
return 0;
case CONS_HISTORY: /* set history size */
if (*data) {
free(scp->history, M_DEVBUF);
scp->history_size = *(int*)data;
if (scp->history_size < scp->ysize)
scp->history = NULL;
else {
scp->history_size *= scp->xsize;
scp->history_head = scp->history_pos = scp->history =
(u_short *)malloc(scp->history_size*sizeof(u_short),
M_DEVBUF, M_NOWAIT);
bzero(scp->history_head, scp->history_size*sizeof(u_short));
}
return 0;
}
else
return EINVAL;
case CONS_MOUSECTL: /* control mouse arrow */
{
mouse_info_t *mouse = (mouse_info_t*)data;
int fontsize;
switch (scp->font) {
default:
case FONT_8:
fontsize = 8; break;
case FONT_14:
fontsize = 14; break;
case FONT_16:
fontsize = 16; break;
}
switch (mouse->operation) {
case MOUSE_SHOW:
if (!(scp->status & MOUSE_ENABLED)) {
scp->mouse_oldpos = Crtat + (scp->mouse_pos - scp->scr_buf);
scp->status |= (UPDATE_MOUSE | MOUSE_ENABLED);
}
else
return EINVAL;
break;
case MOUSE_HIDE:
if (scp->status & MOUSE_ENABLED) {
scp->status &= ~MOUSE_ENABLED;
scp->status |= UPDATE_MOUSE;
}
else
return EINVAL;
break;
case MOUSE_MOVEABS:
scp->mouse_xpos = mouse->x;
scp->mouse_ypos = mouse->y;
goto set_mouse_pos;
case MOUSE_MOVEREL:
scp->mouse_xpos += mouse->x;
scp->mouse_ypos += mouse->y;
set_mouse_pos:
if (scp->mouse_xpos < 0)
scp->mouse_xpos = 0;
if (scp->mouse_ypos < 0)
scp->mouse_ypos = 0;
if (scp->mouse_xpos >= scp->xsize*8)
scp->mouse_xpos = (scp->xsize*8)-1;
if (scp->mouse_ypos >= scp->ysize*fontsize)
scp->mouse_ypos = (scp->ysize*fontsize)-1;
scp->mouse_pos = scp->scr_buf +
(scp->mouse_ypos/fontsize)*scp->xsize + scp->mouse_xpos/8;
if (scp->status & MOUSE_ENABLED)
scp->status |= UPDATE_MOUSE;
break;
case MOUSE_GETPOS:
mouse->x = scp->mouse_xpos;
mouse->y = scp->mouse_ypos;
return 0;
default:
return EINVAL;
}
/* make screensaver happy */
if (scp == cur_console) {
scrn_time_stamp = time.tv_sec;
if (scrn_blanked) {
(*current_saver)(FALSE);
cur_console->start = 0;
cur_console->end = cur_console->xsize * cur_console->ysize;
}
}
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 = get_scr_num();
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_attr & 0x0f00)>>8;
ptr->mv_norm.back = (scp->term.std_attr & 0xf000)>>12;
ptr->mv_rev.fore = (scp->term.rev_attr & 0x0f00)>>8;
ptr->mv_rev.back = (scp->term.rev_attr & 0xf000)>>12;
ptr->mv_grfc.fore = 0; /* not supported */
ptr->mv_grfc.back = 0; /* not supported */
ptr->mv_ovscan = scp->border;
ptr->mk_keylock = scp->status & LOCK_KEY_MASK;
return 0;
}
return EINVAL;
}
case CONS_GETVERS: /* get version number */
*(int*)data = 0x200; /* version 2.0 */
return 0;
/* VGA TEXT MODES */
case SW_VGA_C40x25:
case SW_VGA_C80x25: case SW_VGA_M80x25:
case SW_VGA_C80x30: case SW_VGA_M80x30:
case SW_VGA_C80x50: case SW_VGA_M80x50:
case SW_VGA_C80x60: case SW_VGA_M80x60:
case SW_B40x25: case SW_C40x25:
case SW_B80x25: case SW_C80x25:
case SW_ENH_B40x25: case SW_ENH_C40x25:
case SW_ENH_B80x25: case SW_ENH_C80x25:
case SW_ENH_B80x43: case SW_ENH_C80x43:
if (!crtc_vga || video_mode_ptr == NULL)
return ENXIO;
switch (cmd & 0xff) {
case M_VGA_C80x60: case M_VGA_M80x60:
if (!(fonts_loaded & FONT_8))
return EINVAL;
scp->xsize = 80;
scp->ysize = 60;
break;
case M_VGA_C80x50: case M_VGA_M80x50:
if (!(fonts_loaded & FONT_8))
return EINVAL;
scp->xsize = 80;
scp->ysize = 50;
break;
case M_ENH_B80x43: case M_ENH_C80x43:
if (!(fonts_loaded & FONT_8))
return EINVAL;
scp->xsize = 80;
scp->ysize = 43;
break;
case M_VGA_C80x30: case M_VGA_M80x30:
scp->xsize = 80;
scp->ysize = 30;
break;
default:
if ((cmd & 0xff) > M_VGA_CG320)
return EINVAL;
else
scp->xsize = *(video_mode_ptr+((cmd&0xff)*64));
scp->ysize = *(video_mode_ptr+((cmd&0xff)*64)+1)+1;
break;
}
scp->mode = cmd & 0xff;
scp->status &= ~UNKNOWN_MODE; /* text mode */
free(scp->scr_buf, M_DEVBUF);
scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
M_DEVBUF, M_NOWAIT);
if (scp == cur_console)
set_mode(scp);
clear_screen(scp);
if (tp->t_winsize.ws_col != scp->xsize
|| tp->t_winsize.ws_row != scp->ysize) {
tp->t_winsize.ws_col = scp->xsize;
tp->t_winsize.ws_row = scp->ysize;
pgsignal(tp->t_pgrp, SIGWINCH, 1);
}
return 0;
/* GRAPHICS MODES */
case SW_BG320: case SW_BG640:
case SW_CG320: case SW_CG320_D: case SW_CG640_E:
case SW_CG640x350: case SW_ENH_CG640:
case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
if (!crtc_vga || video_mode_ptr == NULL)
return ENXIO;
scp->mode = cmd & 0xFF;
scp->status |= UNKNOWN_MODE; /* graphics mode */
scp->xsize = (*(video_mode_ptr + (scp->mode*64))) * 8;
scp->ysize = (*(video_mode_ptr + (scp->mode*64) + 1) + 1) *
(*(video_mode_ptr + (scp->mode*64) + 2));
set_mode(scp);
/* clear_graphics();*/
if (tp->t_winsize.ws_xpixel != scp->xsize
|| tp->t_winsize.ws_ypixel != scp->ysize) {
tp->t_winsize.ws_xpixel = scp->xsize;
tp->t_winsize.ws_ypixel = scp->ysize;
pgsignal(tp->t_pgrp, SIGWINCH, 1);
}
return 0;
case VT_SETMODE: /* set screen switcher mode */
bcopy(data, &scp->smode, sizeof(struct vt_mode));
if (scp->smode.mode == VT_PROCESS) {
scp->proc = p;
scp->pid = scp->proc->p_pid;
}
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 */
switch(*data) {
case VT_FALSE: /* user refuses to release screen, abort */
if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
old_scp->status &= ~SWITCH_WAIT_REL;
switch_in_progress = FALSE;
return 0;
}
return EINVAL;
case VT_TRUE: /* user has released screen, go on */
if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
scp->status &= ~SWITCH_WAIT_REL;
exchange_scr();
if (new_scp->smode.mode == VT_PROCESS) {
new_scp->status |= SWITCH_WAIT_ACQ;
psignal(new_scp->proc, new_scp->smode.acqsig);
}
else
switch_in_progress = FALSE;
return 0;
}
return EINVAL;
case VT_ACKACQ: /* acquire acknowledged, switch completed */
if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) {
scp->status &= ~SWITCH_WAIT_ACQ;
switch_in_progress = FALSE;
return 0;
}
return EINVAL;
default:
return EINVAL;
}
/* NOT REACHED */
case VT_OPENQRY: /* return free virtual console */
for (i = 0; i < MAXCONS; i++) {
tp = VIRTUAL_TTY(i);
if (!(tp->t_state & TS_ISOPEN)) {
*data = i + 1;
return 0;
}
}
return EINVAL;
case VT_ACTIVATE: /* switch to screen *data */
return switch_scr(scp, (*data) - 1);
case VT_WAITACTIVE: /* wait for switch to occur */
if (*data > MAXCONS || *data < 0)
return EINVAL;
if (minor(dev) == (*data) - 1)
return 0;
if (*data == 0) {
if (scp == cur_console)
return 0;
}
else
scp = console[(*data) - 1];
while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH,
"waitvt", 0)) == ERESTART) ;
return error;
case VT_GETACTIVE:
*data = get_scr_num()+1;
return 0;
case KDENABIO: /* allow io operations */
fp = (struct trapframe *)p->p_md.md_regs;
fp->tf_eflags |= PSL_IOPL;
return 0;
case KDDISABIO: /* disallow io operations (default) */
fp = (struct trapframe *)p->p_md.md_regs;
fp->tf_eflags &= ~PSL_IOPL;
return 0;
case KDSETMODE: /* set current mode of this (virtual) console */
switch (*data) {
case KD_TEXT: /* switch to TEXT (known) mode */
/* restore fonts & palette ! */
if (crtc_vga) {
if (fonts_loaded & FONT_8)
copy_font(LOAD, FONT_8, font_8);
if (fonts_loaded & FONT_14)
copy_font(LOAD, FONT_14, font_14);
if (fonts_loaded & FONT_16)
copy_font(LOAD, FONT_16, font_16);
if (configuration & CHAR_CURSOR)
set_destructive_cursor(scp, TRUE);
load_palette();
}
/* FALL THROUGH */
case KD_TEXT1: /* switch to TEXT (known) mode */
/* no restore fonts & palette */
scp->status &= ~UNKNOWN_MODE;
if (crtc_vga && video_mode_ptr)
set_mode(scp);
clear_screen(scp);
return 0;
case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
scp->status |= UNKNOWN_MODE;
return 0;
default:
return EINVAL;
}
/* NOT REACHED */
case KDGETMODE: /* get current mode of this (virtual) console */
*data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT;
return 0;
case KDSBORDER: /* set border color of this (virtual) console */
if (!crtc_vga)
return ENXIO;
scp->border = *data;
if (scp == cur_console)
set_border(scp->border);
return 0;
case KDSKBSTATE: /* set keyboard state (locks) */
if (*data >= 0 && *data <= LOCK_KEY_MASK) {
scp->status &= ~LOCK_KEY_MASK;
scp->status |= *data;
if (scp == cur_console)
update_leds(scp->status);
return 0;
}
return EINVAL;
case KDGKBSTATE: /* get keyboard state (locks) */
*data = scp->status & LOCK_KEY_MASK;
return 0;
case KDSETRAD: /* set keyboard repeat & delay rates */
if (*data & 0x80)
return EINVAL;
i = spltty();
kbd_cmd(KB_SETRAD);
kbd_cmd(*data);
splx(i);
return 0;
case KDSKBMODE: /* set keyboard mode */
switch (*data) {
case K_RAW: /* switch to RAW scancode mode */
scp->status |= KBD_RAW_MODE;
return 0;
case K_XLATE: /* switch to XLT ascii mode */
if (scp == cur_console && scp->status == KBD_RAW_MODE)
shfts = ctls = alts = agrs = metas = 0;
scp->status &= ~KBD_RAW_MODE;
return 0;
default:
return EINVAL;
}
/* NOT REACHED */
case KDGKBMODE: /* get keyboard mode */
*data = (scp->status & KBD_RAW_MODE) ? K_RAW : K_XLATE;
return 0;
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 == cur_console) {
if (*(int*)data) {
int pitch = TIMER_FREQ/(*(int*)data);
/* set command for counter 2, 2 byte write */
if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE))
return EBUSY;
/* set pitch */
outb(TIMER_CNTR2, pitch);
outb(TIMER_CNTR2, (pitch>>8));
/* enable counter 2 output to speaker */
outb(IO_PPI, inb(IO_PPI) | 3);
}
else {
/* disable counter 2 output to speaker */
outb(IO_PPI, inb(IO_PPI) & 0xFC);
release_timer2();
}
}
return 0;
case KDGKBTYPE: /* get keyboard type */
*data = 0; /* type not known (yet) */
return 0;
case KDSETLED: /* set keyboard LED status */
if (*data >= 0 && *data <= LED_MASK) {
scp->status &= ~LED_MASK;
scp->status |= *data;
if (scp == cur_console)
update_leds(scp->status);
return 0;
}
return EINVAL;
case KDGETLED: /* get keyboard LED status */
*data = scp->status & LED_MASK;
return 0;
case GETFKEY: /* get functionkey string */
if (*(u_short*)data < n_fkey_tab) {
fkeyarg_t *ptr = (fkeyarg_t*)data;
bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef,
fkey_tab[ptr->keynum].len);
ptr->flen = fkey_tab[ptr->keynum].len;
return 0;
}
else
return EINVAL;
case SETFKEY: /* set functionkey string */
if (*(u_short*)data < n_fkey_tab) {
fkeyarg_t *ptr = (fkeyarg_t*)data;
bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str,
min(ptr->flen, MAXFK));
fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK);
return 0;
}
else
return EINVAL;
case GIO_SCRNMAP: /* get output translation table */
bcopy(&scr_map, data, sizeof(scr_map));
return 0;
case PIO_SCRNMAP: /* set output translation table */
bcopy(data, &scr_map, sizeof(scr_map));
return 0;
case GIO_KEYMAP: /* get keyboard translation table */
bcopy(&key_map, data, sizeof(key_map));
return 0;
case PIO_KEYMAP: /* set keyboard translation table */
bcopy(data, &key_map, sizeof(key_map));
return 0;
case PIO_FONT8x8: /* set 8x8 dot font */
if (!crtc_vga)
return ENXIO;
bcopy(data, font_8, 8*256);
fonts_loaded |= FONT_8;
copy_font(LOAD, FONT_8, font_8);
if (configuration & CHAR_CURSOR)
set_destructive_cursor(scp, TRUE);
return 0;
case GIO_FONT8x8: /* get 8x8 dot font */
if (!crtc_vga)
return ENXIO;
if (fonts_loaded & FONT_8) {
bcopy(font_8, data, 8*256);
return 0;
}
else
return ENXIO;
case PIO_FONT8x14: /* set 8x14 dot font */
if (!crtc_vga)
return ENXIO;
bcopy(data, font_14, 14*256);
fonts_loaded |= FONT_14;
copy_font(LOAD, FONT_14, font_14);
if (configuration & CHAR_CURSOR)
set_destructive_cursor(scp, TRUE);
return 0;
case GIO_FONT8x14: /* get 8x14 dot font */
if (!crtc_vga)
return ENXIO;
if (fonts_loaded & FONT_14) {
bcopy(font_14, data, 14*256);
return 0;
}
else
return ENXIO;
case PIO_FONT8x16: /* set 8x16 dot font */
if (!crtc_vga)
return ENXIO;
bcopy(data, font_16, 16*256);
fonts_loaded |= FONT_16;
copy_font(LOAD, FONT_16, font_16);
if (configuration & CHAR_CURSOR)
set_destructive_cursor(scp, TRUE);
return 0;
case GIO_FONT8x16: /* get 8x16 dot font */
if (!crtc_vga)
return ENXIO;
if (fonts_loaded & FONT_16) {
bcopy(font_16, data, 16*256);
return 0;
}
else
return ENXIO;
default:
break;
}
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
if (error >= 0)
return(error);
error = ttioctl(tp, cmd, data, flag);
if (error >= 0)
return(error);
return(ENOTTY);
}
void
scstart(struct tty *tp)
{
struct clist *rbp;
int i, s, len;
u_char buf[PCBURST];
scr_stat *scp = get_scr_stat(tp->t_dev);
/* XXX who repeats the call when the above flags are cleared? */
if (scp->status & SLKED || 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);
}
void
pccnprobe(struct consdev *cp)
{
int maj;
/* locate the major number */
for (maj = 0; maj < nchrdev; maj++)
if ((void*)cdevsw[maj].d_open == (void*)scopen)
break;
/* initialize required fields */
cp->cn_dev = makedev(maj, MAXCONS);
cp->cn_pri = CN_INTERNAL;
}
void
pccninit(struct consdev *cp)
{
scinit();
}
void
pccnputc(dev_t dev, int c)
{
u_char buf[1];
scr_stat *scp = console[0];
term_stat save = scp->term;
scp->term = kernel_console;
current_default = &kernel_default;
if (scp->scr_buf == Crtat)
draw_cursor(scp, FALSE);
buf[0] = c;
ansi_put(scp, buf, 1);
kernel_console = scp->term;
current_default = &user_default;
scp->term = save;
if (scp == cur_console /* && scrn_timer not running */) {
if (scp->scr_buf != Crtat && (scp->start <= scp->end)) {
bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
(1 + scp->end - scp->start) * sizeof(u_short));
scp->start = scp->xsize * scp->ysize;
scp->end = 0;
scp->status &= ~CURSOR_SHOWN;
}
draw_cursor(scp, TRUE);
}
}
int
pccngetc(dev_t dev)
{
int s = spltty(); /* block scintr while we poll */
int c = scgetc(0);
splx(s);
return(c);
}
int
pccncheckc(dev_t dev)
{
return (scgetc(1) & 0xff);
}
static void
scrn_timer()
{
static int cursor_blinkrate;
scr_stat *scp = cur_console;
/* should we just return ? */
if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) {
timeout((timeout_func_t)scrn_timer, 0, hz/10);
return;
}
if (!scrn_blanked) {
/* update screen image */
if (scp->start <= scp->end) {
bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
(1 + scp->end - scp->start) * sizeof(u_short));
scp->status &= ~CURSOR_SHOWN;
scp->start = scp->xsize * scp->ysize;
scp->end = 0;
}
/* update "pseudo" mouse arrow */
if ((scp->status & MOUSE_ENABLED) && (scp->status & UPDATE_MOUSE))
draw_mouse_image(scp);
/* update cursor image */
if (scp->status & CURSOR_ENABLED)
draw_cursor(scp,
!(configuration&BLINK_CURSOR) || !(cursor_blinkrate++&0x04));
}
if (scrn_blank_time && (time.tv_sec>scrn_time_stamp+scrn_blank_time))
(*current_saver)(TRUE);
timeout((timeout_func_t)scrn_timer, 0, hz/25);
}
static void
clear_screen(scr_stat *scp)
{
move_crsr(scp, 0, 0);
fillw(scp->term.cur_attr | scr_map[0x20], scp->scr_buf,
scp->xsize * scp->ysize);
mark_all(scp);
}
static int
switch_scr(scr_stat *scp, u_int next_scr)
{
if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid)))
switch_in_progress = FALSE;
if (next_scr >= MAXCONS || switch_in_progress ||
(cur_console->smode.mode == VT_AUTO
&& cur_console->status & UNKNOWN_MODE)) {
do_bell(scp, BELL_PITCH, BELL_DURATION);
return EINVAL;
}
/* is the wanted virtual console open ? */
if (next_scr) {
struct tty *tp = VIRTUAL_TTY(next_scr);
if (!(tp->t_state & TS_ISOPEN)) {
do_bell(scp, BELL_PITCH, BELL_DURATION);
return EINVAL;
}
}
/* delay switch if actively updating screen */
if (write_in_progress || blink_in_progress) {
delayed_next_scr = next_scr+1;
return 0;
}
switch_in_progress = TRUE;
old_scp = cur_console;
new_scp = console[next_scr];
wakeup((caddr_t)&new_scp->smode);
if (new_scp == old_scp) {
switch_in_progress = FALSE;
delayed_next_scr = FALSE;
return 0;
}
/* has controlling process died? */
if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid)))
old_scp->smode.mode = VT_AUTO;
if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid)))
new_scp->smode.mode = VT_AUTO;
/* check the modes and switch approbiatly */
if (old_scp->smode.mode == VT_PROCESS) {
old_scp->status |= SWITCH_WAIT_REL;
psignal(old_scp->proc, old_scp->smode.relsig);
}
else {
exchange_scr();
if (new_scp->smode.mode == VT_PROCESS) {
new_scp->status |= SWITCH_WAIT_ACQ;
psignal(new_scp->proc, new_scp->smode.acqsig);
}
else
switch_in_progress = FALSE;
}
return 0;
}
static void
exchange_scr(void)
{
move_crsr(old_scp, old_scp->xpos, old_scp->ypos);
cur_console = new_scp;
if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){
if (crtc_vga && video_mode_ptr)
set_mode(new_scp);
}
move_crsr(new_scp, new_scp->xpos, new_scp->ypos);
if ((old_scp->status & UNKNOWN_MODE) && crtc_vga) {
if (fonts_loaded & FONT_8)
copy_font(LOAD, FONT_8, font_8);
if (fonts_loaded & FONT_14)
copy_font(LOAD, FONT_14, font_14);
if (fonts_loaded & FONT_16)
copy_font(LOAD, FONT_16, font_16);
if (configuration & CHAR_CURSOR)
set_destructive_cursor(new_scp, TRUE);
load_palette();
}
if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE)
shfts = ctls = alts = agrs = metas = 0;
update_leds(new_scp->status);
delayed_next_scr = FALSE;
bcopyw(new_scp->scr_buf, Crtat,
(new_scp->xsize*new_scp->ysize)*sizeof(u_short));
new_scp->status &= ~CURSOR_SHOWN;
}
static inline void
move_crsr(scr_stat *scp, int x, int y)
{
if (x < 0 || y < 0 || x >= scp->xsize || y >= scp->ysize)
return;
scp->xpos = x;
scp->ypos = y;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
}
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};
int i, n;
u_short *src, *dst, count;
if (scp->term.esc == 1) {
switch (c) {
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 {
bcopyw(scp->scr_buf, scp->scr_buf + scp->xsize,
(scp->ysize - 1) * scp->xsize * sizeof(u_short));
fillw(scp->term.cur_attr | scr_map[0x20],
scp->scr_buf, scp->xsize);
mark_all(scp);
}
break;
#if notyet
case 'Q':
scp->term.esc = 4;
break;
#endif
case 'c': /* Clear screen & home */
clear_screen(scp);
break;
}
}
else if (scp->term.esc == 2) {
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 */
fillw(scp->term.cur_attr | scr_map[0x20],
scp->cursor_pos,
scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, scp->xsize * scp->ysize);
break;
case 1: /* clear from beginning of display to cursor */
fillw(scp->term.cur_attr | scr_map[0x20],
scp->scr_buf,
scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, 0);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
break;
case 2: /* clear entire display */
clear_screen(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 */
fillw(scp->term.cur_attr | scr_map[0x20],
scp->cursor_pos,
scp->xsize - scp->xpos);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf +
scp->xsize - scp->xpos);
break;
case 1: /* clear from beginning of line to cursor */
fillw(scp->term.cur_attr|scr_map[0x20],
scp->cursor_pos - (scp->xsize - scp->xpos),
(scp->xsize - scp->xpos) + 1);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
break;
case 2: /* clear entire line */
fillw(scp->term.cur_attr|scr_map[0x20],
scp->cursor_pos - (scp->xsize - scp->xpos),
scp->xsize);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, (scp->ypos + 1) * scp->xsize);
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;
src = scp->scr_buf + scp->ypos * scp->xsize;
dst = src + n * scp->xsize;
count = scp->ysize - (scp->ypos + n);
bcopyw(src, dst, count * scp->xsize * sizeof(u_short));
fillw(scp->term.cur_attr | scr_map[0x20], src,
n * scp->xsize);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, scp->xsize * scp->ysize);
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;
dst = scp->scr_buf + scp->ypos * scp->xsize;
src = dst + n * scp->xsize;
count = scp->ysize - (scp->ypos + n);
bcopyw(src, dst, count * scp->xsize * sizeof(u_short));
src = dst + count * scp->xsize;
fillw(scp->term.cur_attr | scr_map[0x20], src,
n * scp->xsize);
mark_for_update(scp, scp->ypos * scp->xsize);
mark_for_update(scp, scp->xsize * scp->ysize);
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;
dst = scp->cursor_pos;
src = dst + n;
count = scp->xsize - (scp->xpos + n);
bcopyw(src, dst, count * sizeof(u_short));
src = dst + count;
fillw(scp->term.cur_attr | scr_map[0x20], src, n);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
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;
src = scp->cursor_pos;
dst = src + n;
count = scp->xsize - (scp->xpos + n);
bcopyw(src, dst, count * sizeof(u_short));
fillw(scp->term.cur_attr | scr_map[0x20], src, n);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
break;
case 'S': /* scroll up n lines */
n = scp->term.param[0]; if (n < 1) n = 1;
if (n > scp->ysize)
n = scp->ysize;
bcopyw(scp->scr_buf + (scp->xsize * n),
scp->scr_buf,
scp->xsize * (scp->ysize - n) * sizeof(u_short));
fillw(scp->term.cur_attr | scr_map[0x20],
scp->scr_buf + scp->xsize * (scp->ysize - n),
scp->xsize * n);
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;
bcopyw(scp->scr_buf,
scp->scr_buf + (scp->xsize * n),
scp->xsize * (scp->ysize - n) *
sizeof(u_short));
fillw(scp->term.cur_attr | scr_map[0x20],
scp->scr_buf, scp->xsize * n);
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;
fillw(scp->term.cur_attr | scr_map[0x20],
scp->scr_buf + scp->xpos +
((scp->xsize*scp->ypos) * sizeof(u_short)), n);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n);
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.cur_attr = scp->term.std_attr;
break;
}
for (i = 0; i < scp->term.num_param; i++) {
switch (n = scp->term.param[i]) {
case 0: /* back to normal */
scp->term.cur_attr = scp->term.std_attr;
break;
case 1: /* highlight (bold) */
scp->term.cur_attr &= 0xFF00;
scp->term.cur_attr |= 0x0800;
break;
case 4: /* highlight (underline) */
scp->term.cur_attr &= 0xFF00;
scp->term.cur_attr |= 0x0800;
break;
case 5: /* blink */
scp->term.cur_attr &= 0xFF00;
scp->term.cur_attr |= 0x8000;
break;
case 7: /* reverse video */
scp->term.cur_attr = scp->term.rev_attr;
break;
case 30: case 31: /* set fg color */
case 32: case 33: case 34:
case 35: case 36: case 37:
scp->term.cur_attr =
(scp->term.cur_attr&0xF8FF) | (ansi_col[(n-30)&7]<<8);
break;
case 40: case 41: /* set bg color */
case 42: case 43: case 44:
case 45: case 46: case 47:
scp->term.cur_attr =
(scp->term.cur_attr&0x8FFF) | (ansi_col[(n-40)&7]<<12);
break;
}
}
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.cur_attr = scp->term.std_attr =
current_default->std_attr;
scp->term.rev_attr = current_default->rev_attr;
break;
case 1: /* set ansi background */
scp->term.cur_attr = scp->term.std_attr =
(scp->term.std_attr & 0x0F00) |
(ansi_col[(scp->term.param[1])&0x0F]<<12);
break;
case 2: /* set ansi foreground */
scp->term.cur_attr = scp->term.std_attr =
(scp->term.std_attr & 0xF000) |
(ansi_col[(scp->term.param[1])&0x0F]<<8);
break;
case 3: /* set ansi attribute directly */
scp->term.cur_attr = scp->term.std_attr =
(scp->term.param[1]&0xFF)<<8;
break;
case 5: /* set ansi reverse video background */
scp->term.rev_attr =
(scp->term.rev_attr & 0x0F00) |
(ansi_col[(scp->term.param[1])&0x0F]<<12);
break;
case 6: /* set ansi reverse video foreground */
scp->term.rev_attr =
(scp->term.rev_attr & 0xF000) |
(ansi_col[(scp->term.param[1])&0x0F]<<8);
break;
case 7: /* set ansi reverse video directly */
scp->term.rev_attr =
(scp->term.param[1]&0xFF)<<8;
break;
}
break;
case 'z': /* switch to (virtual) console n */
if (scp->term.num_param == 1)
switch_scr(scp, scp->term.param[0]);
break;
}
}
else if (scp->term.esc == 3) {
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 == cur_console)
set_border(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]*10;
}
break;
case 'C': /* set cursor type & shape */
if (scp->term.num_param == 1) {
if (scp->term.param[0] & 0x01)
configuration |= BLINK_CURSOR;
else
configuration &= ~BLINK_CURSOR;
if (scp->term.param[0] & 0x02) {
configuration |= CHAR_CURSOR;
set_destructive_cursor(scp, TRUE);
} else
configuration &= ~CHAR_CURSOR;
}
else if (scp->term.num_param == 2) {
scp->cursor_start = scp->term.param[0] & 0x1F;
scp->cursor_end = scp->term.param[1] & 0x1F;
if (configuration & CHAR_CURSOR)
set_destructive_cursor(scp, TRUE);
}
break;
case 'F': /* set ansi foreground */
if (scp->term.num_param == 1)
scp->term.cur_attr = scp->term.std_attr =
(scp->term.std_attr & 0xF000)
| ((scp->term.param[0] & 0x0F) << 8);
break;
case 'G': /* set ansi background */
if (scp->term.num_param == 1)
scp->term.cur_attr = scp->term.std_attr =
(scp->term.std_attr & 0x0F00)
| ((scp->term.param[0] & 0x0F) << 12);
break;
case 'H': /* set ansi reverse video foreground */
if (scp->term.num_param == 1)
scp->term.rev_attr =
(scp->term.rev_attr & 0xF000)
| ((scp->term.param[0] & 0x0F) << 8);
break;
case 'I': /* set ansi reverse video background */
if (scp->term.num_param == 1)
scp->term.rev_attr =
(scp->term.rev_attr & 0x0F00)
| ((scp->term.param[0] & 0x0F) << 12);
break;
}
}
scp->term.esc = 0;
}
static inline void
draw_cursor(scr_stat *scp, int show)
{
if (show && !(scp->status & CURSOR_SHOWN)) {
u_short cursor_image = *(Crtat + (scp->cursor_pos - scp->scr_buf));
scp->cursor_saveunder = cursor_image;
if (configuration & CHAR_CURSOR) {
set_destructive_cursor(scp, FALSE);
cursor_image = (cursor_image & 0xff00) | DEAD_CHAR;
}
else {
if ((cursor_image & 0x7000) == 0x7000) {
cursor_image &= 0x8fff;
if(!(cursor_image & 0x0700))
cursor_image |= 0x0700;
} else {
cursor_image |= 0x7000;
if ((cursor_image & 0x0700) == 0x0700)
cursor_image &= 0xf0ff;
}
}
*(Crtat + (scp->cursor_pos - scp->scr_buf)) = cursor_image;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
scp->status |= CURSOR_SHOWN;
}
if (!show && (scp->status & CURSOR_SHOWN)) {
*(Crtat + (scp->cursor_pos - scp->scr_buf)) = scp->cursor_saveunder;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
scp->status &= ~CURSOR_SHOWN;
}
}
static void
ansi_put(scr_stat *scp, u_char *buf, int len)
{
u_char *ptr = buf;
if (scp->status & UNKNOWN_MODE)
return;
/* make screensaver happy */
if (scp == cur_console) {
scrn_time_stamp = time.tv_sec;
if (scrn_blanked) {
(*current_saver)(FALSE);
cur_console->start = 0;
cur_console->end = cur_console->xsize * cur_console->ysize;
}
}
write_in_progress++;
outloop:
if (scp->term.esc) {
scan_esc(scp, *ptr++);
len--;
}
else if (PRINTABLE(*ptr)) { /* Print only printables */
int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos);
u_short cur_attr = scp->term.cur_attr;
u_short *cursor_pos = scp->cursor_pos;
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))
*cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr;
ptr++;
cnt--;
} while (cnt && PRINTABLE(*ptr));
len -= (cursor_pos - scp->cursor_pos);
scp->xpos += (cursor_pos - scp->cursor_pos);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
mark_for_update(scp, cursor_pos - scp->scr_buf);
scp->cursor_pos = cursor_pos;
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 > scp->scr_buf) {
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
scp->cursor_pos--;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
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->scr_buf);
scp->cursor_pos += (8 - scp->xpos % 8u);
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
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->scr_buf);
scp->cursor_pos += scp->xsize;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
scp->ypos++;
break;
case 0x0c: /* form feed, clears screen */
clear_screen(scp);
break;
case 0x0d: /* return, return to pos 0 */
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
scp->cursor_pos -= scp->xpos;
mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
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->scr_buf + scp->ysize * scp->xsize) {
if (scp->history) {
bcopyw(scp->scr_buf, scp->history_head,
scp->xsize * sizeof(u_short));
scp->history_head += scp->xsize;
if (scp->history_head + scp->xsize >
scp->history + scp->history_size)
scp->history_head = scp->history;
}
bcopyw(scp->scr_buf + scp->xsize, scp->scr_buf,
scp->xsize * (scp->ysize - 1) * sizeof(u_short));
fillw(scp->term.cur_attr | scr_map[0x20],
scp->scr_buf + scp->xsize * (scp->ysize - 1),
scp->xsize);
scp->cursor_pos -= scp->xsize;
scp->ypos--;
mark_all(scp);
}
if (len)
goto outloop;
write_in_progress--;
if (delayed_next_scr)
switch_scr(scp, delayed_next_scr - 1);
}
static void
scinit(void)
{
u_short volatile *cp = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short), was;
unsigned hw_cursor;
int i;
if (init_done)
return;
init_done = TRUE;
/*
* Crtat initialized to point to MONO buffer, if not present change
* to CGA_BUF offset. ONLY add the difference since locore.s adds
* in the remapped offset at the "right" time
*/
was = *cp;
*cp = (u_short) 0xA55A;
if (*cp != 0xA55A)
crtc_addr = MONO_BASE;
else {
*cp = was;
crtc_addr = COLOR_BASE;
Crtat = Crtat + (CGA_BUF-MONO_BUF)/sizeof(u_short);
}
/* extract cursor location */
outb(crtc_addr, 14);
hw_cursor = inb(crtc_addr + 1) << 8;
outb(crtc_addr, 15);
hw_cursor |= inb(crtc_addr + 1);
/* move hardware cursor out of the way */
outb(crtc_addr, 14);
outb(crtc_addr + 1, 0xff);
outb(crtc_addr, 15);
outb(crtc_addr + 1, 0xff);
/* is this a VGA or higher ? */
outb(crtc_addr, 7);
if (inb(crtc_addr) == 7) {
u_long pa;
u_long segoff;
crtc_vga = TRUE;
/*
* Get the BIOS video mode pointer.
*/
segoff = *(u_long *)pa_to_va(0x4a8);
pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
if (ISMAPPED(pa, sizeof(u_long))) {
segoff = *(u_long *)pa_to_va(pa);
pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
if (ISMAPPED(pa, 64))
video_mode_ptr = (char *)pa_to_va(pa);
}
}
current_default = &user_default;
console[0] = &main_console;
init_scp(console[0]);
console[0]->scr_buf = console[0]->mouse_pos = Crtat;
console[0]->cursor_pos = Crtat + hw_cursor;
console[0]->xpos = hw_cursor % COL;
console[0]->ypos = hw_cursor / COL;
cur_console = console[0];
for (i=1; i<MAXCONS; i++)
console[i] = NULL;
kernel_console.esc = 0;
kernel_console.std_attr = kernel_default.std_attr;
kernel_console.rev_attr = kernel_default.rev_attr;
kernel_console.cur_attr = kernel_default.std_attr;
/* initialize mapscrn array to a one to one map */
for (i=0; i<sizeof(scr_map); i++)
scr_map[i] = i;
}
static scr_stat
*alloc_scp()
{
scr_stat *scp;
scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_NOWAIT);
init_scp(scp);
scp->scr_buf = scp->cursor_pos = scp->scr_buf = scp->mouse_pos =
(u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
M_DEVBUF, M_NOWAIT);
scp->history_head = scp->history_pos = scp->history =
(u_short *)malloc(scp->history_size*sizeof(u_short),
M_DEVBUF, M_NOWAIT);
bzero(scp->history_head, scp->history_size*sizeof(u_short));
if (crtc_vga && video_mode_ptr)
set_mode(scp);
clear_screen(scp);
return scp;
}
static void
init_scp(scr_stat *scp)
{
scp->mode = M_VGA_C80x25;
scp->font = FONT_16;
scp->xsize = COL;
scp->ysize = ROW;
scp->start = COL * ROW;
scp->end = 0;
scp->term.esc = 0;
scp->term.std_attr = current_default->std_attr;
scp->term.rev_attr = current_default->rev_attr;
scp->term.cur_attr = scp->term.std_attr;
scp->border = BG_BLACK;
scp->cursor_start = *(char *)pa_to_va(0x461);
scp->cursor_end = *(char *)pa_to_va(0x460);
scp->mouse_xpos = scp->mouse_ypos = 0;
scp->bell_pitch = BELL_PITCH;
scp->bell_duration = BELL_DURATION;
scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0;
scp->status |= CURSOR_ENABLED;
scp->pid = 0;
scp->proc = NULL;
scp->smode.mode = VT_AUTO;
scp->history_head = scp->history_pos = scp->history = NULL;
scp->history_size = HISTORY_SIZE;
}
static u_char
*get_fstr(u_int c, u_int *len)
{
u_int i;
if (!(c & FKEY))
return(NULL);
i = (c & 0xFF) - F_FN;
if (i > n_fkey_tab)
return(NULL);
*len = fkey_tab[i].len;
return(fkey_tab[i].str);
}
static void
update_leds(int which)
{
int s;
static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
/* replace CAPS led with ALTGR led for ALTGR keyboards */
if (key_map.n_keys > ALTGR_OFFSET) {
if (which & ALKED)
which |= CLKED;
else
which &= ~CLKED;
}
s = spltty();
kbd_cmd(KB_SETLEDS);
kbd_cmd(xlate_leds[which & LED_MASK]);
splx(s);
}
static void
history_to_screen(scr_stat *scp)
{
int i;
for (i=0; i<scp->ysize; i++)
bcopyw(scp->history + (((scp->history_pos - scp->history) +
scp->history_size-((i+1)*scp->xsize))%scp->history_size),
scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)),
scp->xsize * sizeof(u_short));
mark_all(scp);
}
static int
history_up_line(scr_stat *scp)
{
if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) !=
scp->history_head) {
scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize);
history_to_screen(scp);
return 0;
}
else
return -1;
}
static int
history_down_line(scr_stat *scp)
{
if (scp->history_pos != scp->history_head) {
scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize);
history_to_screen(scp);
return 0;
}
else
return -1;
}
/*
* scgetc(noblock) - get character from keyboard.
* If noblock = 0 wait until a key is pressed.
* Else return NOKEY.
*/
u_int
scgetc(int noblock)
{
u_char scancode, keycode;
u_int state, action;
struct key_t *key;
static u_char esc_flag = 0, compose = 0;
static u_int chr = 0;
next_code:
kbd_wait();
/* First see if there is something in the keyboard port */
if (inb(KB_STAT) & KB_BUF_FULL)
scancode = inb(KB_DATA);
else if (noblock)
return(NOKEY);
else
goto next_code;
if (cur_console->status & KBD_RAW_MODE)
return scancode;
#if ASYNCH
if (scancode == KB_ACK || scancode == KB_RESEND) {
kbd_reply = scancode;
if (noblock)
return(NOKEY);
goto next_code;
}
#endif
keycode = scancode & 0x7F;
switch (esc_flag) {
case 0x00: /* normal scancode */
switch(scancode) {
case 0xB8: /* left alt (compose key) */
if (compose) {
compose = 0;
if (chr > 255) {
do_bell(cur_console,
BELL_PITCH, BELL_DURATION);
chr = 0;
}
}
break;
case 0x38:
if (!compose) {
compose = 1;
chr = 0;
}
break;
case 0xE0:
case 0xE1:
esc_flag = scancode;
goto next_code;
}
break;
case 0xE0: /* 0xE0 prefix */
esc_flag = 0;
switch (keycode) {
case 0x1C: /* right enter key */
keycode = 0x59;
break;
case 0x1D: /* right ctrl key */
keycode = 0x5A;
break;
case 0x35: /* keypad divide key */
keycode = 0x5B;
break;
case 0x37: /* print scrn key */
keycode = 0x5C;
break;
case 0x38: /* right alt key (alt gr) */
keycode = 0x5D;
break;
case 0x47: /* grey home key */
keycode = 0x5E;
break;
case 0x48: /* grey up arrow key */
keycode = 0x5F;
break;
case 0x49: /* grey page up key */
keycode = 0x60;
break;
case 0x4B: /* grey left arrow key */
keycode = 0x61;
break;
case 0x4D: /* grey right arrow key */
keycode = 0x62;
break;
case 0x4F: /* grey end key */
keycode = 0x63;
break;
case 0x50: /* grey down arrow key */
keycode = 0x64;
break;
case 0x51: /* grey page down key */
keycode = 0x65;
break;
case 0x52: /* grey insert key */
keycode = 0x66;
break;
case 0x53: /* grey delete key */
keycode = 0x67;
break;
/* the following 3 are only used on the MS "Natural" keyboard */
case 0x5b: /* left Window key */
keycode = 0x69;
break;
case 0x5c: /* right Window key */
keycode = 0x6a;
break;
case 0x5d: /* menu key */
keycode = 0x6b;
break;
default: /* ignore everything else */
goto next_code;
}
break;
case 0xE1: /* 0xE1 prefix */
esc_flag = 0;
if (keycode == 0x1D)
esc_flag = 0x1D;
goto next_code;
/* NOT REACHED */
case 0x1D: /* pause / break */
esc_flag = 0;
if (keycode != 0x45)
goto next_code;
keycode = 0x68;
break;
}
/* if scroll-lock pressed allow history browsing */
if (cur_console->history && cur_console->status & SLKED) {
int i;
cur_console->status &= ~CURSOR_ENABLED;
if (!(cur_console->status & BUFFER_SAVED)) {
cur_console->status |= BUFFER_SAVED;
cur_console->history_save = cur_console->history_head;
/* copy screen into top of history buffer */
for (i=0; i<cur_console->ysize; i++) {
bcopyw(cur_console->scr_buf + (cur_console->xsize * i),
cur_console->history_head,
cur_console->xsize * sizeof(u_short));
cur_console->history_head += cur_console->xsize;
if (cur_console->history_head + cur_console->xsize >
cur_console->history + cur_console->history_size)
cur_console->history_head=cur_console->history;
}
cur_console->history_pos = cur_console->history_head;
history_to_screen(cur_console);
}
switch (scancode) {
case 0x47: /* home key */
cur_console->history_pos = cur_console->history_head;
history_to_screen(cur_console);
goto next_code;
case 0x4F: /* end key */
cur_console->history_pos =
WRAPHIST(cur_console, cur_console->history_head,
cur_console->xsize*cur_console->ysize);
history_to_screen(cur_console);
goto next_code;
case 0x48: /* up arrow key */
if (history_up_line(cur_console))
do_bell(cur_console, BELL_PITCH, BELL_DURATION);
goto next_code;
case 0x50: /* down arrow key */
if (history_down_line(cur_console))
do_bell(cur_console, BELL_PITCH, BELL_DURATION);
goto next_code;
case 0x49: /* page up key */
for (i=0; i<cur_console->ysize; i++)
if (history_up_line(cur_console)) {
do_bell(cur_console, BELL_PITCH, BELL_DURATION);
break;
}
goto next_code;
case 0x51: /* page down key */
for (i=0; i<cur_console->ysize; i++)
if (history_down_line(cur_console)) {
do_bell(cur_console, BELL_PITCH, BELL_DURATION);
break;
}
goto next_code;
}
}
if (compose) {
switch (scancode) {
/* key pressed process it */
case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
chr = (scancode - 0x40) + chr*10;
goto next_code;
case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
chr = (scancode - 0x47) + chr*10;
goto next_code;
case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
chr = (scancode - 0x4E) + chr*10;
goto next_code;
case 0x52: /* keypad 0 */
chr *= 10;
goto next_code;
/* key release, no interest here */
case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
case 0xD2: /* keypad 0 */
goto next_code;
case 0x38: /* left alt key */
break;
default:
if (chr) {
compose = chr = 0;
do_bell(cur_console, BELL_PITCH, BELL_DURATION);
goto next_code;
}
break;
}
}
state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0));
if ((!agrs && (cur_console->status & ALKED))
|| (agrs && !(cur_console->status & ALKED)))
keycode += ALTGR_OFFSET;
key = &key_map.key[keycode];
if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED))
|| ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) )
state ^= 1;
/* Check for make/break */
action = key->map[state];
if (scancode & 0x80) { /* key released */
if (key->spcl & 0x80) {
switch (action) {
case LSH:
shfts &= ~1;
break;
case RSH:
shfts &= ~2;
break;
case LCTR:
ctls &= ~1;
break;
case RCTR:
ctls &= ~2;
break;
case LALT:
alts &= ~1;
break;
case RALT:
alts &= ~2;
break;
case NLK:
nlkcnt = 0;
break;
case CLK:
clkcnt = 0;
break;
case SLK:
slkcnt = 0;
break;
case ASH:
agrs = 0;
break;
case ALK:
alkcnt = 0;
break;
case META:
metas = 0;
break;
}
}
if (chr && !compose) {
action = chr;
chr = 0;
return(action);
}
} else {
/* key pressed */
if (key->spcl & (0x80>>state)) {
switch (action) {
/* LOCKING KEYS */
case NLK:
if (!nlkcnt) {
nlkcnt++;
if (cur_console->status & NLKED)
cur_console->status &= ~NLKED;
else
cur_console->status |= NLKED;
update_leds(cur_console->status);
}
break;
case CLK:
if (!clkcnt) {
clkcnt++;
if (cur_console->status & CLKED)
cur_console->status &= ~CLKED;
else
cur_console->status |= CLKED;
update_leds(cur_console->status);
}
break;
case SLK:
if (!slkcnt) {
slkcnt++;
if (cur_console->status & SLKED) {
cur_console->status &= ~SLKED;
if (cur_console->status & BUFFER_SAVED){
int i;
u_short *ptr = cur_console->history_save;
for (i=0; i<cur_console->ysize; i++) {
bcopyw(ptr,
cur_console->scr_buf +
(cur_console->xsize*i),
cur_console->xsize * sizeof(u_short));
ptr += cur_console->xsize;
if (ptr + cur_console->xsize >
cur_console->history +
cur_console->history_size)
ptr = cur_console->history;
}
cur_console->status &= ~BUFFER_SAVED;
cur_console->history_head=cur_console->history_save;
cur_console->status |= CURSOR_ENABLED;
mark_all(cur_console);
}
scstart(VIRTUAL_TTY(get_scr_num()));
}
else
cur_console->status |= SLKED;
update_leds(cur_console->status);
}
break;
case ALK:
if (!alkcnt) {
alkcnt++;
if (cur_console->status & ALKED)
cur_console->status &= ~ALKED;
else
cur_console->status |= ALKED;
update_leds(cur_console->status);
}
break;
/* NON-LOCKING KEYS */
case NOP:
break;
case RBT:
shutdown_nice();
break;
case SUSP:
#if NAPM > 0
apm_suspend();
#endif
break;
case DBG:
#ifdef DDB /* try to switch to console 0 */
if (cur_console->smode.mode == VT_AUTO &&
console[0]->smode.mode == VT_AUTO)
switch_scr(cur_console, 0);
Debugger("manual escape to debugger");
return(NOKEY);
#else
printf("No debugger in kernel\n");
#endif
break;
case LSH:
shfts |= 1;
break;
case RSH:
shfts |= 2;
break;
case LCTR:
ctls |= 1;
break;
case RCTR:
ctls |= 2;
break;
case LALT:
alts |= 1;
break;
case RALT:
alts |= 2;
break;
case ASH:
agrs = 1;
break;
case META:
metas = 1;
break;
case NEXT:
switch_scr(cur_console, (get_scr_num() + 1) % MAXCONS);
break;
case BTAB:
return(BKEY);
default:
if (action >= F_SCR && action <= L_SCR) {
switch_scr(cur_console, action - F_SCR);
break;
}
if (action >= F_FN && action <= L_FN)
action |= FKEY;
return(action);
}
}
else {
if (metas)
action |= MKEY;
return(action);
}
}
goto next_code;
}
int
scmmap(dev_t dev, int offset, int nprot)
{
if (offset > 0x20000 - PAGE_SIZE)
return -1;
return i386_btop((VIDEOMEM + offset));
}
static void
kbd_wait(void)
{
int i = 1000;
while (i--) {
if ((inb(KB_STAT) & KB_READY) == 0)
break;
DELAY (10);
}
}
static void
kbd_cmd(u_char command)
{
int retry = 5;
do {
int i = 100000;
kbd_wait();
#if ASYNCH
kbd_reply = 0;
outb(KB_DATA, command);
while (i--) {
if (kbd_reply == KB_ACK)
return;
if (kbd_reply == KB_RESEND)
break;
}
#else
outb(KB_DATA, command);
while (i--) {
if (inb(KB_STAT) & KB_BUF_FULL) {
int val;
DELAY(10);
val = inb(KB_DATA);
if (val == KB_ACK)
return;
if (val == KB_RESEND)
break;
}
}
#endif
} while (retry--);
}
static void
set_mode(scr_stat *scp)
{
char *modetable;
char special_modetable[64];
int mode, font_size;
if (scp != cur_console)
return;
/* setup video hardware for the given mode */
switch (scp->mode) {
case M_VGA_M80x60:
bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
goto special_80x60;
case M_VGA_C80x60:
bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
special_80x60:
special_modetable[2] = 0x08;
special_modetable[19] = 0x47;
goto special_480l;
case M_VGA_M80x30:
bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
goto special_80x30;
case M_VGA_C80x30:
bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
special_80x30:
special_modetable[19] = 0x4f;
special_480l:
special_modetable[9] |= 0xc0;
special_modetable[16] = 0x08;
special_modetable[17] = 0x3e;
special_modetable[26] = 0xea;
special_modetable[28] = 0xdf;
special_modetable[31] = 0xe7;
special_modetable[32] = 0x04;
modetable = special_modetable;
goto setup_mode;
case M_ENH_B80x43:
bcopyw(video_mode_ptr+(64*M_ENH_B80x25),&special_modetable, 64);
goto special_80x43;
case M_ENH_C80x43:
bcopyw(video_mode_ptr+(64*M_ENH_C80x25),&special_modetable, 64);
special_80x43:
special_modetable[28] = 87;
goto special_80x50;
case M_VGA_M80x50:
bcopyw(video_mode_ptr+(64*M_VGA_M80x25),&special_modetable, 64);
goto special_80x50;
case M_VGA_C80x50:
bcopyw(video_mode_ptr+(64*M_VGA_C80x25),&special_modetable, 64);
special_80x50:
special_modetable[2] = 8;
special_modetable[19] = 7;
modetable = special_modetable;
goto setup_mode;
case M_VGA_C40x25: case M_VGA_C80x25:
case M_VGA_M80x25:
case M_B40x25: case M_C40x25:
case M_B80x25: case M_C80x25:
case M_ENH_B40x25: case M_ENH_C40x25:
case M_ENH_B80x25: case M_ENH_C80x25:
modetable = video_mode_ptr + (scp->mode * 64);
setup_mode:
set_vgaregs(modetable);
font_size = *(modetable + 2);
/* set font type (size) */
switch (font_size) {
case 0x10:
outb(TSIDX, 0x03); outb(TSREG, 0x00); /* font 0 */
scp->font = FONT_16;
break;
case 0x0E:
outb(TSIDX, 0x03); outb(TSREG, 0x05); /* font 1 */
scp->font = FONT_14;
break;
default:
case 0x08:
outb(TSIDX, 0x03); outb(TSREG, 0x0A); /* font 2 */
scp->font = FONT_8;
break;
}
if (configuration & CHAR_CURSOR)
set_destructive_cursor(scp, TRUE);
break;
case M_BG320: case M_CG320: case M_BG640:
case M_CG320_D: case M_CG640_E:
case M_CG640x350: case M_ENH_CG640:
case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
set_vgaregs(video_mode_ptr + (scp->mode * 64));
break;
default:
/* call user defined function XXX */
break;
}
/* set border color for this (virtual) console */
set_border(scp->border);
return;
}
void
set_border(int color)
{
inb(crtc_addr+6); /* reset flip-flop */
outb(ATC, 0x11); outb(ATC, color);
inb(crtc_addr+6); /* reset flip-flop */
outb(ATC, 0x20); /* enable Palette */
}
static void
set_vgaregs(char *modetable)
{
int i, s = splhigh();
outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */
outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */
for (i=0; i<4; i++) { /* program sequencer */
outb(TSIDX, i+1);
outb(TSREG, modetable[i+5]);
}
outb(MISC, modetable[9]); /* set dot-clock */
outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */
outb(crtc_addr, 0x11);
outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F);
for (i=0; i<25; i++) { /* program crtc */
outb(crtc_addr, i);
if (i == 14 || i == 15) /* no hardware cursor */
outb(crtc_addr+1, 0xff);
else
outb(crtc_addr+1, modetable[i+10]);
}
inb(crtc_addr+6); /* reset flip-flop */
for (i=0; i<20; i++) { /* program attribute ctrl */
outb(ATC, i);
outb(ATC, modetable[i+35]);
}
for (i=0; i<9; i++) { /* program graph data ctrl */
outb(GDCIDX, i);
outb(GDCREG, modetable[i+55]);
}
inb(crtc_addr+6); /* reset flip-flop */
outb(ATC ,0x20); /* enable palette */
splx(s);
}
static void
set_font_mode()
{
/* setup vga for loading fonts (graphics plane mode) */
inb(crtc_addr+6);
outb(ATC, 0x30); outb(ATC, 0x01);
#if SLOW_VGA
outb(TSIDX, 0x02); outb(TSREG, 0x04);
outb(TSIDX, 0x04); outb(TSREG, 0x06);
outb(GDCIDX, 0x04); outb(GDCREG, 0x02);
outb(GDCIDX, 0x05); outb(GDCREG, 0x00);
outb(GDCIDX, 0x06); outb(GDCREG, 0x05);
#else
outw(TSIDX, 0x0402);
outw(TSIDX, 0x0604);
outw(GDCIDX, 0x0204);
outw(GDCIDX, 0x0005);
outw(GDCIDX, 0x0506); /* addr = a0000, 64kb */
#endif
}
static void
set_normal_mode()
{
int s = splhigh();
/* setup vga for normal operation mode again */
inb(crtc_addr+6);
outb(ATC, 0x30); outb(ATC, 0x0C);
#if SLOW_VGA
outb(TSIDX, 0x02); outb(TSREG, 0x03);
outb(TSIDX, 0x04); outb(TSREG, 0x02);
outb(GDCIDX, 0x04); outb(GDCREG, 0x00);
outb(GDCIDX, 0x05); outb(GDCREG, 0x10);
if (crtc_addr == MONO_BASE) {
outb(GDCIDX, 0x06); outb(GDCREG, 0x0A); /* addr = b0000, 32kb */
}
else {
outb(GDCIDX, 0x06); outb(GDCREG, 0x0E); /* addr = b8000, 32kb */
}
#else
outw(TSIDX, 0x0302);
outw(TSIDX, 0x0204);
outw(GDCIDX, 0x0004);
outw(GDCIDX, 0x1005);
if (crtc_addr == MONO_BASE)
outw(GDCIDX, 0x0A06); /* addr = b0000, 32kb */
else
outw(GDCIDX, 0x0E06); /* addr = b8000, 32kb */
#endif
splx(s);
}
static void
copy_font(int operation, int font_type, char* font_image)
{
int ch, line, segment, fontsize;
u_char val;
switch (font_type) {
default:
case FONT_8:
segment = 0x8000;
fontsize = 8;
break;
case FONT_14:
segment = 0x4000;
fontsize = 14;
break;
case FONT_16:
segment = 0x0000;
fontsize = 16;
break;
}
outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */
outb(TSIDX, 0x01); outb(TSREG, val | 0x20);
set_font_mode();
for (ch=0; ch < 256; ch++)
for (line=0; line < fontsize; line++)
if (operation)
*(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) =
font_image[(ch*fontsize)+line];
else
font_image[(ch*fontsize)+line] =
*(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line);
set_normal_mode();
outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */
}
static void
set_destructive_cursor(scr_stat *scp, int force)
{
u_char cursor[32];
caddr_t address;
int i, font_size;
char *font_buffer;
static u_char old_saveunder = DEAD_CHAR;
if (!force && (scp->cursor_saveunder & 0xFF) == old_saveunder)
return;
old_saveunder = force ? DEAD_CHAR : scp->cursor_saveunder & 0xFF;
switch (scp->font) {
default:
case FONT_8:
font_size = 8;
font_buffer = font_8;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
font_buffer = font_14;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
font_buffer = font_16;
address = (caddr_t)VIDEOMEM;
break;
}
bcopyw(font_buffer + ((scp->cursor_saveunder & 0xff) * font_size),
cursor, font_size);
for (i=0; i<32; i++)
if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
(scp->cursor_start >= font_size && i == font_size - 1))
cursor[i] |= 0xff;
while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
set_font_mode();
bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32);
set_normal_mode();
}
static void
draw_mouse_image(scr_stat *scp)
{
caddr_t address;
int i, font_size;
char *font_buffer;
u_short buffer[32];
u_short xoffset, yoffset;
u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf);
xoffset = scp->mouse_xpos % 8;
switch (scp->font) {
default:
case FONT_8:
font_size = 8;
font_buffer = font_8;
yoffset = scp->mouse_ypos % 8;
address = (caddr_t)VIDEOMEM + 0x8000;
break;
case FONT_14:
font_size = 14;
font_buffer = font_14;
yoffset = scp->mouse_ypos % 14;
address = (caddr_t)VIDEOMEM + 0x4000;
break;
case FONT_16:
font_size = 16;
font_buffer = font_16;
yoffset = scp->mouse_ypos % 16;
address = (caddr_t)VIDEOMEM;
break;
}
bcopyw(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
&scp->mouse_cursor[0], font_size);
bcopyw(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
&scp->mouse_cursor[32], font_size);
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
&scp->mouse_cursor[64], font_size);
bcopyw(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
&scp->mouse_cursor[96], font_size);
for (i=0; i<font_size; i++) {
buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32];
buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96];
}
for (i=0; i<16; i++) {
buffer[i+yoffset] =
( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset))
| (mouse_or_mask[i] >> xoffset);
}
for (i=0; i<font_size; i++) {
scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8;
scp->mouse_cursor[i+32] = buffer[i] & 0xff;
scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8;
scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff;
}
if (scp->status & UPDATE_MOUSE) {
u_short *ptr = scp->scr_buf + (scp->mouse_oldpos - Crtat);
if (crt_pos != scp->mouse_oldpos) {
*(scp->mouse_oldpos) = scp->mouse_saveunder[0];
*(scp->mouse_oldpos+1) = scp->mouse_saveunder[1];
*(scp->mouse_oldpos+scp->xsize) = scp->mouse_saveunder[2];
*(scp->mouse_oldpos+scp->xsize+1) = scp->mouse_saveunder[3];
}
scp->mouse_saveunder[0] = *(scp->mouse_pos);
scp->mouse_saveunder[1] = *(scp->mouse_pos+1);
scp->mouse_saveunder[2] = *(scp->mouse_pos+scp->xsize);
scp->mouse_saveunder[3] = *(scp->mouse_pos+scp->xsize+1);
if ((scp->cursor_pos == (ptr)) ||
(scp->cursor_pos == (ptr+1)) ||
(scp->cursor_pos == (ptr+scp->xsize)) ||
(scp->cursor_pos == (ptr+scp->xsize+1)) ||
(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)))
scp->status &= ~CURSOR_SHOWN;
}
scp->mouse_oldpos = crt_pos;
while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
*(crt_pos) = *(scp->mouse_pos)&0xff00|0xd0;
*(crt_pos+1) = *(scp->mouse_pos+1)&0xff00|0xd1;
*(crt_pos+scp->xsize) = *(scp->mouse_pos+scp->xsize)&0xff00|0xd2;
*(crt_pos+scp->xsize+1) = *(scp->mouse_pos+scp->xsize+1)&0xff00|0xd3;
set_font_mode();
bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128);
set_normal_mode();
}
static void
save_palette(void)
{
int i;
outb(PALRADR, 0x00);
for (i=0x00; i<0x300; i++)
palette[i] = inb(PALDATA);
inb(crtc_addr+6); /* reset flip/flop */
}
void
load_palette(void)
{
int i;
outb(PIXMASK, 0xFF); /* no pixelmask */
outb(PALWADR, 0x00);
for (i=0x00; i<0x300; i++)
outb(PALDATA, palette[i]);
inb(crtc_addr+6); /* reset flip/flop */
outb(ATC, 0x20); /* enable palette */
}
static void
do_bell(scr_stat *scp, int pitch, int duration)
{
if (scp == cur_console) {
if (configuration & VISUAL_BELL) {
if (blink_in_progress)
return;
blink_in_progress = 4;
blink_screen(scp);
timeout((timeout_func_t)blink_screen, scp, hz/10);
}
else
sysbeep(pitch, duration);
}
}
static void
blink_screen(scr_stat *scp)
{
if (blink_in_progress > 1) {
if (blink_in_progress & 1)
fillw(kernel_default.std_attr | scr_map[0x20],
Crtat, scp->xsize * scp->ysize);
else
fillw(kernel_default.rev_attr | scr_map[0x20],
Crtat, scp->xsize * scp->ysize);
blink_in_progress--;
timeout((timeout_func_t)blink_screen, scp, hz/10);
}
else {
blink_in_progress = FALSE;
mark_all(scp);
if (delayed_next_scr)
switch_scr(scp, delayed_next_scr - 1);
}
}
#endif /* NSC */
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