FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/syscons.c
1 /*-
2 * Copyright (c) 1992-1997 Søren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software withough specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: src/sys/i386/isa/syscons.c,v 1.182.2.41 1999/09/05 08:13:35 peter Exp $
29 */
30
31 #include "sc.h"
32 #include "apm.h"
33 #include "opt_ddb.h"
34 #include "opt_syscons.h"
35
36 #if NSC > 0
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/conf.h>
40 #include <sys/ioctl.h>
41 #include <sys/proc.h>
42 #include <sys/signalvar.h>
43 #include <sys/tty.h>
44 #include <sys/uio.h>
45 #include <sys/callout.h>
46 #include <sys/kernel.h>
47 #include <sys/syslog.h>
48 #include <sys/errno.h>
49 #include <sys/malloc.h>
50 #ifdef DEVFS
51 #include <sys/devfsext.h>
52 #endif
53
54 #include <machine/clock.h>
55 #include <machine/cons.h>
56 #include <machine/console.h>
57 #include <machine/mouse.h>
58 #include <machine/md_var.h>
59 #include <machine/psl.h>
60 #include <machine/frame.h>
61 #include <machine/pc/display.h>
62 #include <machine/apm_bios.h>
63 #include <machine/random.h>
64
65 #include <vm/vm.h>
66 #include <vm/vm_param.h>
67 #include <vm/pmap.h>
68
69 #include <i386/isa/isa.h>
70 #include <i386/isa/isa_device.h>
71 #include <i386/isa/timerreg.h>
72 #include <i386/isa/kbdtables.h>
73 #include <i386/isa/kbdio.h>
74 #include <i386/isa/syscons.h>
75
76 #if !defined(MAXCONS)
77 #define MAXCONS 16
78 #endif
79
80 #if !defined(SC_MAX_HISTORY_SIZE)
81 #define SC_MAX_HISTORY_SIZE (1000 * MAXCONS)
82 #endif
83
84 #if !defined(SC_HISTORY_SIZE)
85 #define SC_HISTORY_SIZE (ROW * 4)
86 #endif
87
88 #if (SC_HISTORY_SIZE * MAXCONS) > SC_MAX_HISTORY_SIZE
89 #undef SC_MAX_HISTORY_SIZE
90 #define SC_MAX_HISTORY_SIZE (SC_HISTORY_SIZE * MAXCONS)
91 #endif
92
93 #if !defined(SC_MOUSE_CHAR)
94 #define SC_MOUSE_CHAR (0xd0)
95 #endif
96
97 #define COLD 0
98 #define WARM 1
99
100 #define MODE_MAP_SIZE (M_VGA_CG320 + 1)
101 #define MODE_PARAM_SIZE 64
102
103 #define MAX_BLANKTIME (7*24*60*60) /* 7 days!? */
104
105 /* for backward compatibility */
106 #define OLD_CONS_MOUSECTL _IOWR('c', 10, old_mouse_info_t)
107
108 typedef struct old_mouse_data {
109 int x;
110 int y;
111 int buttons;
112 } old_mouse_data_t;
113
114 typedef struct old_mouse_info {
115 int operation;
116 union {
117 struct old_mouse_data data;
118 struct mouse_mode mode;
119 } u;
120 } old_mouse_info_t;
121
122 /* XXX use sc_bcopy where video memory is concerned */
123 #define sc_bcopy generic_bcopy
124 extern void generic_bcopy(const void *, void *, size_t);
125
126 static default_attr user_default = {
127 (FG_LIGHTGREY | BG_BLACK) << 8,
128 (FG_BLACK | BG_LIGHTGREY) << 8
129 };
130
131 static default_attr kernel_default = {
132 (FG_WHITE | BG_BLACK) << 8,
133 (FG_BLACK | BG_LIGHTGREY) << 8
134 };
135
136 static scr_stat main_console;
137 static scr_stat *console[MAXCONS];
138 #ifdef DEVFS
139 static void *sc_devfs_token[MAXCONS];
140 #endif
141 scr_stat *cur_console;
142 static scr_stat *new_scp, *old_scp;
143 static term_stat kernel_console;
144 static default_attr *current_default;
145 static int flags = 0;
146 static int sc_port = IO_KBD;
147 static KBDC sc_kbdc = NULL;
148 static char init_done = COLD;
149 static u_short sc_buffer[ROW*COL];
150 static char shutdown_in_progress = FALSE;
151 static char font_loading_in_progress = FALSE;
152 static char switch_in_progress = FALSE;
153 static char write_in_progress = FALSE;
154 static char blink_in_progress = FALSE;
155 static int blinkrate = 0;
156 u_int crtc_addr = MONO_BASE;
157 char crtc_type = KD_MONO;
158 char crtc_vga = FALSE;
159 static u_char shfts = 0, ctls = 0, alts = 0, agrs = 0, metas = 0;
160 static u_char accents = 0;
161 static u_char nlkcnt = 0, clkcnt = 0, slkcnt = 0, alkcnt = 0;
162 static const u_int n_fkey_tab = sizeof(fkey_tab) / sizeof(*fkey_tab);
163 static int delayed_next_scr = FALSE;
164 static long scrn_blank_time = 0; /* screen saver timeout value */
165 int scrn_blanked = 0; /* screen saver active flag */
166 static long scrn_time_stamp;
167 u_char scr_map[256];
168 u_char scr_rmap[256];
169 char *video_mode_ptr = NULL;
170 int fonts_loaded = 0;
171 char font_8[256*8];
172 char font_14[256*14];
173 char font_16[256*16];
174 char palette[256*3];
175 static char *mode_map[MODE_MAP_SIZE];
176 static char vgaregs[MODE_PARAM_SIZE];
177 static char vgaregs2[MODE_PARAM_SIZE];
178 static int rows_offset = 1;
179 static char *cut_buffer;
180 static int cut_buffer_size;
181 static int mouse_level = 0; /* sysmouse protocol level */
182 static mousestatus_t mouse_status = { 0, 0, 0, 0, 0, 0 };
183 static u_short mouse_and_mask[16] = {
184 0xc000, 0xe000, 0xf000, 0xf800,
185 0xfc00, 0xfe00, 0xff00, 0xff80,
186 0xfe00, 0x1e00, 0x1f00, 0x0f00,
187 0x0f00, 0x0000, 0x0000, 0x0000
188 };
189 static u_short mouse_or_mask[16] = {
190 0x0000, 0x4000, 0x6000, 0x7000,
191 0x7800, 0x7c00, 0x7e00, 0x6800,
192 0x0c00, 0x0c00, 0x0600, 0x0600,
193 0x0000, 0x0000, 0x0000, 0x0000
194 };
195
196 static int extra_history_size =
197 SC_MAX_HISTORY_SIZE - SC_HISTORY_SIZE * MAXCONS;
198
199 static void none_saver(int blank) { }
200 static void (*current_saver)(int blank) = none_saver;
201 int (*sc_user_ioctl)(dev_t dev, int cmd, caddr_t data,
202 int flag, struct proc *p) = NULL;
203
204 /* OS specific stuff */
205 #ifdef not_yet_done
206 #define VIRTUAL_TTY(x) (sccons[x] = ttymalloc(sccons[x]))
207 struct CONSOLE_TTY (sccons[MAXCONS] = ttymalloc(sccons[MAXCONS]))
208 struct MOUSE_TTY (sccons[MAXCONS+1] = ttymalloc(sccons[MAXCONS+1]))
209 struct tty *sccons[MAXCONS+2];
210 #else
211 #define VIRTUAL_TTY(x) &sccons[x]
212 #define CONSOLE_TTY &sccons[MAXCONS]
213 #define MOUSE_TTY &sccons[MAXCONS+1]
214 static struct tty sccons[MAXCONS+2];
215 #endif
216 #define SC_MOUSE 128
217 #define SC_CONSOLE 255
218 #define MONO_BUF pa_to_va(0xB0000)
219 #define CGA_BUF pa_to_va(0xB8000)
220 u_short *Crtat;
221 static const int nsccons = MAXCONS+2;
222
223 #define WRAPHIST(scp, pointer, offset)\
224 ((scp->history) + ((((pointer) - (scp->history)) + (scp->history_size)\
225 + (offset)) % (scp->history_size)))
226 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
227
228 /* this should really be in `rtc.h' */
229 #define RTC_EQUIPMENT 0x14
230
231 /* prototypes */
232 static int scattach(struct isa_device *dev);
233 static int scparam(struct tty *tp, struct termios *t);
234 static int scprobe(struct isa_device *dev);
235 static int scvidprobe(int unit, int flags);
236 static int sckbdprobe(int unit, int flags);
237 static void scstart(struct tty *tp);
238 static void scmousestart(struct tty *tp);
239 static void scinit(void);
240 static void scshutdown(int howto, void *arg);
241 static void map_mode_table(char *map[], char *table, int max);
242 static u_char map_mode_num(u_char mode);
243 static char *get_mode_param(scr_stat *scp, u_char mode);
244 static u_int scgetc(u_int flags);
245 #define SCGETC_CN 1
246 #define SCGETC_NONBLOCK 2
247 static void sccnupdate(scr_stat *scp);
248 static scr_stat *get_scr_stat(dev_t dev);
249 static scr_stat *alloc_scp(void);
250 static void init_scp(scr_stat *scp);
251 static int get_scr_num(void);
252 static timeout_t scrn_timer;
253 static void scrn_update(scr_stat *scp, int show_cursor);
254 static void stop_scrn_saver(void (*saver)(int));
255 static int wait_scrn_saver_stop(void);
256 static void clear_screen(scr_stat *scp);
257 static int switch_scr(scr_stat *scp, u_int next_scr);
258 static void exchange_scr(void);
259 static __inline void move_crsr(scr_stat *scp, int x, int y);
260 static void scan_esc(scr_stat *scp, u_char c);
261 static void draw_cursor_image(scr_stat *scp);
262 static void remove_cursor_image(scr_stat *scp);
263 static void ansi_put(scr_stat *scp, u_char *buf, int len);
264 static u_char *get_fstr(u_int c, u_int *len);
265 static void history_to_screen(scr_stat *scp);
266 static int history_up_line(scr_stat *scp);
267 static int history_down_line(scr_stat *scp);
268 static int mask2attr(struct term_stat *term);
269 static void set_keyboard(int command, int data);
270 static void update_leds(int which);
271 static void set_vgaregs(char *modetable);
272 static void read_vgaregs(char *buf);
273 #define COMP_IDENTICAL 0
274 #define COMP_SIMILAR 1
275 #define COMP_DIFFERENT 2
276 static int comp_vgaregs(u_char *buf1, u_char *buf2);
277 static void dump_vgaregs(u_char *buf);
278 #define PARAM_BUFSIZE 6
279 static void set_font_mode(u_char *buf);
280 static void set_normal_mode(u_char *buf);
281 static void set_destructive_cursor(scr_stat *scp);
282 static void set_mouse_pos(scr_stat *scp);
283 static int skip_spc_right(scr_stat *scp, u_short *p);
284 static int skip_spc_left(scr_stat *scp, u_short *p);
285 static void mouse_cut(scr_stat *scp);
286 static void mouse_cut_start(scr_stat *scp);
287 static void mouse_cut_end(scr_stat *scp);
288 static void mouse_cut_word(scr_stat *scp);
289 static void mouse_cut_line(scr_stat *scp);
290 static void mouse_cut_extend(scr_stat *scp);
291 static void mouse_paste(scr_stat *scp);
292 static void draw_mouse_image(scr_stat *scp);
293 static void remove_mouse_image(scr_stat *scp);
294 static void draw_cutmarking(scr_stat *scp);
295 static void remove_cutmarking(scr_stat *scp);
296 static void save_palette(void);
297 static void do_bell(scr_stat *scp, int pitch, int duration);
298 static timeout_t blink_screen;
299 #ifdef SC_SPLASH_SCREEN
300 static void toggle_splash_screen(scr_stat *scp);
301 #endif
302
303 struct isa_driver scdriver = {
304 scprobe, scattach, "sc", 1
305 };
306
307 static d_open_t scopen;
308 static d_close_t scclose;
309 static d_read_t scread;
310 static d_write_t scwrite;
311 static d_ioctl_t scioctl;
312 static d_devtotty_t scdevtotty;
313 static d_mmap_t scmmap;
314
315 #define CDEV_MAJOR 12
316 static struct cdevsw scdevsw = {
317 scopen, scclose, scread, scwrite,
318 scioctl, nullstop, noreset, scdevtotty,
319 ttselect, scmmap, nostrategy, "sc", NULL, -1 };
320
321 /*
322 * These functions need to be before calls to them so they can be inlined.
323 */
324 static __inline void
325 draw_cursor_image(scr_stat *scp)
326 {
327 u_short cursor_image, *ptr = Crtat + (scp->cursor_pos - scp->scr_buf);
328 u_short prev_image;
329
330 /* do we have a destructive cursor ? */
331 if (flags & CHAR_CURSOR) {
332 prev_image = scp->cursor_saveunder;
333 cursor_image = *ptr & 0x00ff;
334 if (cursor_image == DEAD_CHAR)
335 cursor_image = prev_image & 0x00ff;
336 cursor_image |= *(scp->cursor_pos) & 0xff00;
337 scp->cursor_saveunder = cursor_image;
338 /* update the cursor bitmap if the char under the cursor has changed */
339 if (prev_image != cursor_image)
340 set_destructive_cursor(scp);
341 /* modify cursor_image */
342 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){
343 /*
344 * When the mouse pointer is at the same position as the cursor,
345 * the cursor bitmap needs to be updated even if the char under
346 * the cursor hasn't changed, because the mouse pionter may
347 * have moved by a few dots within the cursor cel.
348 */
349 if ((prev_image == cursor_image)
350 && (cursor_image != *(scp->cursor_pos)))
351 set_destructive_cursor(scp);
352 cursor_image &= 0xff00;
353 cursor_image |= DEAD_CHAR;
354 }
355 }
356 else {
357 cursor_image = (*(ptr) & 0x00ff) | *(scp->cursor_pos) & 0xff00;
358 scp->cursor_saveunder = cursor_image;
359 if (!(flags & BLINK_CURSOR)||((flags & BLINK_CURSOR)&&(blinkrate & 4))){
360 if ((cursor_image & 0x7000) == 0x7000) {
361 cursor_image &= 0x8fff;
362 if(!(cursor_image & 0x0700))
363 cursor_image |= 0x0700;
364 } else {
365 cursor_image |= 0x7000;
366 if ((cursor_image & 0x0700) == 0x0700)
367 cursor_image &= 0xf0ff;
368 }
369 }
370 }
371 *ptr = cursor_image;
372 }
373
374 static __inline void
375 remove_cursor_image(scr_stat *scp)
376 {
377 *(Crtat + (scp->cursor_oldpos - scp->scr_buf)) = scp->cursor_saveunder;
378 }
379
380 static __inline void
381 move_crsr(scr_stat *scp, int x, int y)
382 {
383 if (x < 0)
384 x = 0;
385 if (y < 0)
386 y = 0;
387 if (x >= scp->xsize)
388 x = scp->xsize-1;
389 if (y >= scp->ysize)
390 y = scp->ysize-1;
391 scp->xpos = x;
392 scp->ypos = y;
393 scp->cursor_pos = scp->scr_buf + scp->ypos * scp->xsize + scp->xpos;
394 }
395
396 static int
397 scprobe(struct isa_device *dev)
398 {
399 if (!scvidprobe(dev->id_unit, dev->id_flags)) {
400 if (bootverbose)
401 printf("sc%d: no video adapter is found.\n", dev->id_unit);
402 return (0);
403 }
404
405 sc_port = dev->id_iobase;
406 if (sckbdprobe(dev->id_unit, dev->id_flags))
407 return (IO_KBDSIZE);
408 else
409 return ((dev->id_flags & DETECT_KBD) ? 0 : IO_KBDSIZE);
410 }
411
412 /* probe video adapters, return TRUE if found */
413 static int
414 scvidprobe(int unit, int flags)
415 {
416 /*
417 * XXX don't try to `printf' anything here, the console may not have
418 * been configured yet.
419 */
420 u_short volatile *cp;
421 u_short was;
422 u_long pa;
423 u_long segoff;
424
425 /* do this test only once */
426 if (init_done != COLD)
427 return (Crtat != 0);
428
429 /*
430 * Finish defaulting crtc variables for a mono screen. Crtat is a
431 * bogus common variable so that it can be shared with pcvt, so it
432 * can't be statically initialized. XXX.
433 */
434 Crtat = (u_short *)MONO_BUF;
435 crtc_type = KD_MONO;
436 /* If CGA memory seems to work, switch to color. */
437 cp = (u_short *)CGA_BUF;
438 was = *cp;
439 *cp = (u_short) 0xA55A;
440 if (*cp == 0xA55A) {
441 Crtat = (u_short *)CGA_BUF;
442 crtc_addr = COLOR_BASE;
443 crtc_type = KD_CGA;
444 } else {
445 cp = Crtat;
446 was = *cp;
447 *cp = (u_short) 0xA55A;
448 if (*cp != 0xA55A) {
449 /* no screen at all, bail out */
450 Crtat = 0;
451 return FALSE;
452 }
453 }
454 *cp = was;
455
456 /*
457 * Check rtc and BIOS date area.
458 * XXX: don't use BIOSDATA_EQUIPMENT, it is not a dead copy
459 * of RTC_EQUIPMENT. The bit 4 and 5 of the ETC_EQUIPMENT are
460 * zeros for EGA and VGA. However, the EGA/VGA BIOS will set
461 * these bits in BIOSDATA_EQUIPMENT according to the monitor
462 * type detected.
463 */
464 switch ((rtcin(RTC_EQUIPMENT) >> 4) & 3) { /* bit 4 and 5 */
465 case 0: /* EGA/VGA, or nothing */
466 crtc_type = KD_EGA;
467 /* the color adapter may be in the 40x25 mode... XXX */
468 break;
469 case 1: /* CGA 40x25 */
470 /* switch to the 80x25 mode? XXX */
471 /* FALL THROUGH */
472 case 2: /* CGA 80x25 */
473 /* `crtc_type' has already been set... */
474 /* crtc_type = KD_CGA; */
475 break;
476 case 3: /* MDA */
477 /* `crtc_type' has already been set... */
478 /* crtc_type = KD_MONO; */
479 break;
480 }
481
482 /* is this a VGA or higher ? */
483 outb(crtc_addr, 7);
484 if (inb(crtc_addr) == 7) {
485
486 crtc_type = KD_VGA;
487 crtc_vga = TRUE;
488 read_vgaregs(vgaregs);
489
490 /* Get the BIOS video mode pointer */
491 segoff = *(u_long *)pa_to_va(0x4a8);
492 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
493 if (ISMAPPED(pa, sizeof(u_long))) {
494 segoff = *(u_long *)pa_to_va(pa);
495 pa = (((segoff & 0xffff0000) >> 12) + (segoff & 0xffff));
496 if (ISMAPPED(pa, MODE_PARAM_SIZE))
497 video_mode_ptr = (char *)pa_to_va(pa);
498 }
499 }
500
501 return TRUE;
502 }
503
504 /* probe the keyboard, return TRUE if found */
505 static int
506 sckbdprobe(int unit, int flags)
507 {
508 int codeset;
509 int c = -1;
510 int m;
511
512 sc_kbdc = kbdc_open(sc_port);
513
514 if (!kbdc_lock(sc_kbdc, TRUE)) {
515 /* driver error? */
516 printf("sc%d: unable to lock the controller.\n", unit);
517 return ((flags & DETECT_KBD) ? FALSE : TRUE);
518 }
519
520 /* discard anything left after UserConfig */
521 empty_both_buffers(sc_kbdc, 10);
522
523 /* save the current keyboard controller command byte */
524 m = kbdc_get_device_mask(sc_kbdc) & ~KBD_KBD_CONTROL_BITS;
525 c = get_controller_command_byte(sc_kbdc);
526 if (c == -1) {
527 /* CONTROLLER ERROR */
528 printf("sc%d: unable to get the current command byte value.\n", unit);
529 goto fail;
530 }
531 if (bootverbose)
532 printf("sc%d: the current keyboard controller command byte %04x\n",
533 unit, c);
534 #if 0
535 /* override the keyboard lock switch */
536 c |= KBD_OVERRIDE_KBD_LOCK;
537 #endif
538
539 /*
540 * The keyboard may have been screwed up by the boot block.
541 * We may just be able to recover from error by testing the controller
542 * and the keyboard port. The controller command byte needs to be saved
543 * before this recovery operation, as some controllers seem to set
544 * the command byte to particular values.
545 */
546 test_controller(sc_kbdc);
547 test_kbd_port(sc_kbdc);
548
549 /* enable the keyboard port, but disable the keyboard intr. */
550 if (!set_controller_command_byte(sc_kbdc,
551 KBD_KBD_CONTROL_BITS,
552 KBD_ENABLE_KBD_PORT | KBD_DISABLE_KBD_INT)) {
553 /* CONTROLLER ERROR
554 * there is very little we can do...
555 */
556 printf("sc%d: unable to set the command byte.\n", unit);
557 goto fail;
558 }
559
560 /*
561 * Check if we have an XT keyboard before we attempt to reset it.
562 * The procedure assumes that the keyboard and the controller have
563 * been set up properly by BIOS and have not been messed up
564 * during the boot process.
565 */
566 codeset = -1;
567 if (flags & XT_KEYBD)
568 /* the user says there is a XT keyboard */
569 codeset = 1;
570 #ifdef DETECT_XT_KEYBOARD
571 else if ((c & KBD_TRANSLATION) == 0) {
572 /* SET_SCANCODE_SET is not always supported; ignore error */
573 if (send_kbd_command_and_data(sc_kbdc, KBDC_SET_SCANCODE_SET, 0)
574 == KBD_ACK)
575 codeset = read_kbd_data(sc_kbdc);
576 }
577 if (bootverbose)
578 printf("sc%d: keyboard scancode set %d\n", unit, codeset);
579 #endif /* DETECT_XT_KEYBOARD */
580
581 if (flags & KBD_NORESET) {
582 write_kbd_command(sc_kbdc, KBDC_ECHO);
583 if (read_kbd_data(sc_kbdc) != KBD_ECHO) {
584 empty_both_buffers(sc_kbdc, 10);
585 test_controller(sc_kbdc);
586 test_kbd_port(sc_kbdc);
587 if (bootverbose)
588 printf("sc%d: failed to get response from the keyboard.\n",
589 unit);
590 goto fail;
591 }
592 } else {
593 /* reset keyboard hardware */
594 if (!reset_kbd(sc_kbdc)) {
595 /* KEYBOARD ERROR
596 * Keyboard reset may fail either because the keyboard doen't
597 * exist, or because the keyboard doesn't pass the self-test,
598 * or the keyboard controller on the motherboard and the keyboard
599 * somehow fail to shake hands. It is just possible, particularly
600 * in the last case, that the keyoard controller may be left
601 * in a hung state. test_controller() and test_kbd_port() appear
602 * to bring the keyboard controller back (I don't know why and
603 * how, though.)
604 */
605 empty_both_buffers(sc_kbdc, 10);
606 test_controller(sc_kbdc);
607 test_kbd_port(sc_kbdc);
608 /* We could disable the keyboard port and interrupt... but,
609 * the keyboard may still exist (see above).
610 */
611 if (bootverbose)
612 printf("sc%d: failed to reset the keyboard.\n", unit);
613 goto fail;
614 }
615 }
616
617 /*
618 * Allow us to set the XT_KEYBD flag in UserConfig so that keyboards
619 * such as those on the IBM ThinkPad laptop computers can be used
620 * with the standard console driver.
621 */
622 if (codeset == 1) {
623 if (send_kbd_command_and_data(
624 sc_kbdc, KBDC_SET_SCANCODE_SET, codeset) == KBD_ACK) {
625 /* XT kbd doesn't need scan code translation */
626 c &= ~KBD_TRANSLATION;
627 } else {
628 /* KEYBOARD ERROR
629 * The XT kbd isn't usable unless the proper scan code set
630 * is selected.
631 */
632 printf("sc%d: unable to set the XT keyboard mode.\n", unit);
633 goto fail;
634 }
635 }
636 /* enable the keyboard port and intr. */
637 if (!set_controller_command_byte(sc_kbdc,
638 KBD_KBD_CONTROL_BITS | KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK,
639 (c & (KBD_TRANSLATION | KBD_OVERRIDE_KBD_LOCK))
640 | KBD_ENABLE_KBD_PORT | KBD_ENABLE_KBD_INT)) {
641 /* CONTROLLER ERROR
642 * This is serious; we are left with the disabled keyboard intr.
643 */
644 printf("sc%d: unable to enable the keyboard port and intr.\n", unit);
645 goto fail;
646 }
647
648 kbdc_set_device_mask(sc_kbdc, m | KBD_KBD_CONTROL_BITS),
649 kbdc_lock(sc_kbdc, FALSE);
650 return TRUE;
651
652 fail:
653 if (c != -1)
654 /* try to restore the command byte as before, if possible */
655 set_controller_command_byte(sc_kbdc, 0xff, c);
656 kbdc_set_device_mask(sc_kbdc,
657 (flags & DETECT_KBD) ? m : m | KBD_KBD_CONTROL_BITS);
658 kbdc_lock(sc_kbdc, FALSE);
659 return FALSE;
660 }
661
662 #if NAPM > 0
663 static int
664 scresume(void *dummy)
665 {
666 shfts = ctls = alts = agrs = metas = accents = 0;
667 return 0;
668 }
669 #endif
670
671 static int
672 scattach(struct isa_device *dev)
673 {
674 scr_stat *scp;
675 dev_t cdev = makedev(CDEV_MAJOR, 0);
676 char *p;
677 #ifdef DEVFS
678 int vc;
679 #endif
680
681 scinit();
682 flags = dev->id_flags;
683 if (!crtc_vga)
684 flags &= ~CHAR_CURSOR;
685
686 scp = console[0];
687
688 if (crtc_vga) {
689 cut_buffer_size = scp->xsize * scp->ysize + 1;
690 cut_buffer = (char *)malloc(cut_buffer_size, M_DEVBUF, M_NOWAIT);
691 if (cut_buffer != NULL)
692 cut_buffer[0] = '\0';
693 }
694
695 scp->scr_buf = (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
696 M_DEVBUF, M_NOWAIT);
697
698 /* copy temporary buffer to final buffer */
699 bcopy(sc_buffer, scp->scr_buf, scp->xsize * scp->ysize * sizeof(u_short));
700
701 scp->cursor_pos = scp->cursor_oldpos =
702 scp->scr_buf + scp->xpos + scp->ypos * scp->xsize;
703 scp->mouse_pos = scp->mouse_oldpos =
704 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize +
705 scp->mouse_xpos/8);
706
707 /* initialize history buffer & pointers */
708 scp->history_head = scp->history_pos =
709 (u_short *)malloc(scp->history_size*sizeof(u_short),
710 M_DEVBUF, M_NOWAIT);
711 if (scp->history_head != NULL)
712 bzero(scp->history_head, scp->history_size*sizeof(u_short));
713 scp->history = scp->history_head;
714
715 /* initialize cursor stuff */
716 if (!(scp->status & UNKNOWN_MODE))
717 draw_cursor_image(scp);
718
719 /* get screen update going */
720 scrn_timer(NULL);
721
722 update_leds(scp->status);
723
724 if ((crtc_type == KD_VGA) && bootverbose) {
725 printf("sc%d: BIOS video mode:%d\n",
726 dev->id_unit, *(u_char *)pa_to_va(0x449));
727 printf("sc%d: VGA registers upon power-up\n", dev->id_unit);
728 dump_vgaregs(vgaregs);
729 printf("sc%d: video mode:%d\n", dev->id_unit, scp->mode);
730 printf("sc%d: VGA registers in BIOS for mode:%d\n",
731 dev->id_unit, scp->mode);
732 dump_vgaregs(vgaregs2);
733 p = get_mode_param(scp, scp->mode);
734 if (p != NULL) {
735 printf("sc%d: VGA registers to be used for mode:%d\n",
736 dev->id_unit, scp->mode);
737 dump_vgaregs(p);
738 }
739 printf("sc%d: rows_offset:%d\n", dev->id_unit, rows_offset);
740 }
741 if ((crtc_type == KD_VGA) && (video_mode_ptr == NULL))
742 printf("sc%d: WARNING: video mode switching is only partially supported\n",
743 dev->id_unit);
744
745 printf("sc%d: ", dev->id_unit);
746 switch(crtc_type) {
747 case KD_VGA:
748 if (crtc_addr == MONO_BASE)
749 printf("VGA mono");
750 else
751 printf("VGA color");
752 break;
753 case KD_EGA:
754 if (crtc_addr == MONO_BASE)
755 printf("EGA mono");
756 else
757 printf("EGA color");
758 break;
759 case KD_CGA:
760 printf("CGA");
761 break;
762 case KD_MONO:
763 case KD_HERCULES:
764 default:
765 printf("MDA/hercules");
766 break;
767 }
768 printf(" <%d virtual consoles, flags=0x%x>\n", MAXCONS, flags);
769
770 #if NAPM > 0
771 scp->r_hook.ah_fun = scresume;
772 scp->r_hook.ah_arg = NULL;
773 scp->r_hook.ah_name = "system keyboard";
774 scp->r_hook.ah_order = APM_MID_ORDER;
775 apm_hook_establish(APM_HOOK_RESUME , &scp->r_hook);
776 #endif
777
778 at_shutdown(scshutdown, NULL, SHUTDOWN_PRE_SYNC);
779
780 cdevsw_add(&cdev, &scdevsw, NULL);
781
782 #ifdef DEVFS
783 for (vc = 0; vc < MAXCONS; vc++)
784 sc_devfs_token[vc] = devfs_add_devswf(&scdevsw, vc, DV_CHR, UID_ROOT,
785 GID_WHEEL, 0600, "ttyv%n", vc);
786 #endif
787 return 0;
788 }
789
790 struct tty
791 *scdevtotty(dev_t dev)
792 {
793 int unit = minor(dev);
794
795 if (init_done == COLD)
796 return(NULL);
797 if (unit == SC_CONSOLE)
798 return CONSOLE_TTY;
799 if (unit == SC_MOUSE)
800 return MOUSE_TTY;
801 if (unit >= MAXCONS || unit < 0)
802 return(NULL);
803 return VIRTUAL_TTY(unit);
804 }
805
806 int
807 scopen(dev_t dev, int flag, int mode, struct proc *p)
808 {
809 struct tty *tp = scdevtotty(dev);
810
811 if (!tp)
812 return(ENXIO);
813
814 tp->t_oproc = (minor(dev) == SC_MOUSE) ? scmousestart : scstart;
815 tp->t_param = scparam;
816 tp->t_dev = dev;
817 if (!(tp->t_state & TS_ISOPEN)) {
818 ttychars(tp);
819 /* Use the current setting of the <-- key as default VERASE. */
820 /* If the Delete key is preferable, an stty is necessary */
821 tp->t_cc[VERASE] = key_map.key[0x0e].map[0];
822 tp->t_iflag = TTYDEF_IFLAG;
823 tp->t_oflag = TTYDEF_OFLAG;
824 tp->t_cflag = TTYDEF_CFLAG;
825 tp->t_lflag = TTYDEF_LFLAG;
826 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
827 scparam(tp, &tp->t_termios);
828 ttsetwater(tp);
829 (*linesw[tp->t_line].l_modem)(tp, 1);
830 if (minor(dev) == SC_MOUSE)
831 mouse_level = 0; /* XXX */
832 }
833 else
834 if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
835 return(EBUSY);
836 if (minor(dev) < MAXCONS && !console[minor(dev)]) {
837 console[minor(dev)] = alloc_scp();
838 }
839 if (minor(dev)<MAXCONS && !tp->t_winsize.ws_col && !tp->t_winsize.ws_row) {
840 tp->t_winsize.ws_col = console[minor(dev)]->xsize;
841 tp->t_winsize.ws_row = console[minor(dev)]->ysize;
842 }
843 return ((*linesw[tp->t_line].l_open)(dev, tp));
844 }
845
846 int
847 scclose(dev_t dev, int flag, int mode, struct proc *p)
848 {
849 struct tty *tp = scdevtotty(dev);
850 struct scr_stat *scp;
851
852 if (!tp)
853 return(ENXIO);
854 if (minor(dev) < MAXCONS) {
855 scp = get_scr_stat(tp->t_dev);
856 if (scp->status & SWITCH_WAIT_ACQ)
857 wakeup((caddr_t)&scp->smode);
858 #if not_yet_done
859 if (scp == &main_console) {
860 scp->pid = 0;
861 scp->proc = NULL;
862 scp->smode.mode = VT_AUTO;
863 }
864 else {
865 free(scp->scr_buf, M_DEVBUF);
866 if (scp->history != NULL) {
867 free(scp->history, M_DEVBUF);
868 if (scp->history_size / scp->xsize
869 > imax(SC_HISTORY_SIZE, scp->ysize))
870 extra_history_size += scp->history_size / scp->xsize
871 - imax(SC_HISTORY_SIZE, scp->ysize);
872 }
873 free(scp, M_DEVBUF);
874 console[minor(dev)] = NULL;
875 }
876 #else
877 scp->pid = 0;
878 scp->proc = NULL;
879 scp->smode.mode = VT_AUTO;
880 #endif
881 }
882 spltty();
883 (*linesw[tp->t_line].l_close)(tp, flag);
884 ttyclose(tp);
885 spl0();
886 return(0);
887 }
888
889 int
890 scread(dev_t dev, struct uio *uio, int flag)
891 {
892 struct tty *tp = scdevtotty(dev);
893
894 if (!tp)
895 return(ENXIO);
896 return((*linesw[tp->t_line].l_read)(tp, uio, flag));
897 }
898
899 int
900 scwrite(dev_t dev, struct uio *uio, int flag)
901 {
902 struct tty *tp = scdevtotty(dev);
903
904 if (!tp)
905 return(ENXIO);
906 return((*linesw[tp->t_line].l_write)(tp, uio, flag));
907 }
908
909 void
910 scintr(int unit)
911 {
912 static struct tty *cur_tty;
913 int c, len;
914 u_char *cp;
915
916 /*
917 * Loop while there is still input to get from the keyboard.
918 * I don't think this is nessesary, and it doesn't fix
919 * the Xaccel-2.1 keyboard hang, but it can't hurt. XXX
920 */
921 while ((c = scgetc(SCGETC_NONBLOCK)) != NOKEY) {
922
923 cur_tty = VIRTUAL_TTY(get_scr_num());
924 if (!(cur_tty->t_state & TS_ISOPEN))
925 if (!((cur_tty = CONSOLE_TTY)->t_state & TS_ISOPEN))
926 continue;
927
928 switch (c & 0xff00) {
929 case 0x0000: /* normal key */
930 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
931 break;
932 case FKEY: /* function key, return string */
933 if (cp = get_fstr((u_int)c, (u_int *)&len)) {
934 while (len-- > 0)
935 (*linesw[cur_tty->t_line].l_rint)(*cp++ & 0xFF, cur_tty);
936 }
937 break;
938 case MKEY: /* meta is active, prepend ESC */
939 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
940 (*linesw[cur_tty->t_line].l_rint)(c & 0xFF, cur_tty);
941 break;
942 case BKEY: /* backtab fixed sequence (esc [ Z) */
943 (*linesw[cur_tty->t_line].l_rint)(0x1b, cur_tty);
944 (*linesw[cur_tty->t_line].l_rint)('[', cur_tty);
945 (*linesw[cur_tty->t_line].l_rint)('Z', cur_tty);
946 break;
947 }
948 }
949
950 if (cur_console->status & MOUSE_ENABLED) {
951 cur_console->status &= ~MOUSE_VISIBLE;
952 remove_mouse_image(cur_console);
953 }
954 }
955
956 static int
957 scparam(struct tty *tp, struct termios *t)
958 {
959 tp->t_ispeed = t->c_ispeed;
960 tp->t_ospeed = t->c_ospeed;
961 tp->t_cflag = t->c_cflag;
962 return 0;
963 }
964
965 int
966 scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
967 {
968 int error;
969 u_int i;
970 struct tty *tp;
971 struct trapframe *fp;
972 scr_stat *scp;
973 u_short *usp;
974 char *mp;
975 int s;
976
977 tp = scdevtotty(dev);
978 if (!tp)
979 return ENXIO;
980 scp = get_scr_stat(tp->t_dev);
981
982 /* If there is a user_ioctl function call that first */
983 if (sc_user_ioctl) {
984 if (error = (*sc_user_ioctl)(dev, cmd, data, flag, p))
985 return error;
986 }
987
988 switch (cmd) { /* process console hardware related ioctl's */
989
990 case GIO_ATTR: /* get current attributes */
991 *(int*)data = (scp->term.cur_attr >> 8) & 0xFF;
992 return 0;
993
994 case GIO_COLOR: /* is this a color console ? */
995 if (crtc_addr == COLOR_BASE)
996 *(int*)data = 1;
997 else
998 *(int*)data = 0;
999 return 0;
1000
1001 case CONS_CURRENT: /* get current adapter type */
1002 *(int *)data = crtc_type;
1003 return 0;
1004
1005 case CONS_GET: /* get current video mode */
1006 *(int*)data = scp->mode;
1007 return 0;
1008
1009 case CONS_BLANKTIME: /* set screen saver timeout (0 = no saver) */
1010 if (*(int *)data < 0 || *(int *)data > MAX_BLANKTIME)
1011 return EINVAL;
1012 scrn_blank_time = *(int *)data;
1013 if (scrn_blank_time == 0)
1014 scrn_time_stamp = mono_time.tv_sec;
1015 return 0;
1016
1017 case CONS_CURSORTYPE: /* set cursor type blink/noblink */
1018 if ((*(int*)data) & 0x01)
1019 flags |= BLINK_CURSOR;
1020 else
1021 flags &= ~BLINK_CURSOR;
1022 if ((*(int*)data) & 0x02) {
1023 if (!crtc_vga)
1024 return ENXIO;
1025 flags |= CHAR_CURSOR;
1026 } else
1027 flags &= ~CHAR_CURSOR;
1028 /*
1029 * The cursor shape is global property; all virtual consoles
1030 * are affected. Update the cursor in the current console...
1031 */
1032 if (!(cur_console->status & UNKNOWN_MODE)) {
1033 s = spltty();
1034 remove_cursor_image(cur_console);
1035 if (flags & CHAR_CURSOR)
1036 set_destructive_cursor(cur_console);
1037 draw_cursor_image(cur_console);
1038 splx(s);
1039 }
1040 return 0;
1041
1042 case CONS_BELLTYPE: /* set bell type sound/visual */
1043 if ((*(int *)data) & 0x01)
1044 flags |= VISUAL_BELL;
1045 else
1046 flags &= ~VISUAL_BELL;
1047 if ((*(int *)data) & 0x02)
1048 flags |= QUIET_BELL;
1049 else
1050 flags &= ~QUIET_BELL;
1051 return 0;
1052
1053 case CONS_HISTORY: /* set history size */
1054 if (*(int *)data > 0) {
1055 int lines; /* buffer size to allocate */
1056 int lines0; /* current buffer size */
1057
1058 lines = imax(*(int *)data, scp->ysize);
1059 lines0 = (scp->history != NULL) ?
1060 scp->history_size / scp->xsize : scp->ysize;
1061 /*
1062 * syscons unconditionally allocates buffers upto SC_HISTORY_SIZE
1063 * lines or scp->ysize lines, whichever is larger. A value
1064 * greater than that is allowed, subject to extra_history_size.
1065 */
1066 if (lines > imax(lines0, SC_HISTORY_SIZE) + extra_history_size)
1067 return EINVAL;
1068 if (cur_console->status & BUFFER_SAVED)
1069 return EBUSY;
1070 usp = scp->history;
1071 scp->history = NULL;
1072 if (usp != NULL)
1073 free(usp, M_DEVBUF);
1074 scp->history_size = lines * scp->xsize;
1075 /*
1076 * extra_history_size +=
1077 * (lines0 > imax(SC_HISTORY_SIZE, scp->ysize)) ?
1078 * lines0 - imax(SC_HISTORY_SIZE, scp->ysize)) : 0;
1079 * extra_history_size -=
1080 * (lines > imax(SC_HISTORY_SIZE, scp->ysize)) ?
1081 * lines - imax(SC_HISTORY_SIZE, scp->ysize)) : 0;
1082 * lines0 >= ysize && lines >= ysize... Hey, the above can be
1083 * reduced to the following...
1084 */
1085 extra_history_size +=
1086 imax(lines0, SC_HISTORY_SIZE) - imax(lines, SC_HISTORY_SIZE);
1087 usp = (u_short *)malloc(scp->history_size * sizeof(u_short),
1088 M_DEVBUF, M_WAITOK);
1089 bzero(usp, scp->history_size * sizeof(u_short));
1090 scp->history_head = scp->history_pos = usp;
1091 scp->history = usp;
1092 return 0;
1093 }
1094 else
1095 return EINVAL;
1096
1097 case CONS_MOUSECTL: /* control mouse arrow */
1098 case OLD_CONS_MOUSECTL:
1099 {
1100 /* MOUSE_BUTTON?DOWN -> MOUSE_MSC_BUTTON?UP */
1101 static butmap[8] = {
1102 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP
1103 | MOUSE_MSC_BUTTON3UP,
1104 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
1105 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP,
1106 MOUSE_MSC_BUTTON3UP,
1107 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP,
1108 MOUSE_MSC_BUTTON2UP,
1109 MOUSE_MSC_BUTTON1UP,
1110 0,
1111 };
1112 mouse_info_t *mouse = (mouse_info_t*)data;
1113 mouse_info_t buf;
1114
1115 if (!crtc_vga)
1116 return ENODEV;
1117
1118 if (cmd == OLD_CONS_MOUSECTL) {
1119 static unsigned char swapb[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
1120 old_mouse_info_t *old_mouse = (old_mouse_info_t *)data;
1121
1122 mouse = &buf;
1123 mouse->operation = old_mouse->operation;
1124 switch (mouse->operation) {
1125 case MOUSE_MODE:
1126 mouse->u.mode = old_mouse->u.mode;
1127 break;
1128 case MOUSE_SHOW:
1129 case MOUSE_HIDE:
1130 break;
1131 case MOUSE_MOVEABS:
1132 case MOUSE_MOVEREL:
1133 case MOUSE_ACTION:
1134 mouse->u.data.x = old_mouse->u.data.x;
1135 mouse->u.data.y = old_mouse->u.data.y;
1136 mouse->u.data.z = 0;
1137 mouse->u.data.buttons = swapb[old_mouse->u.data.buttons & 0x7];
1138 break;
1139 case MOUSE_GETINFO:
1140 old_mouse->u.data.x = scp->mouse_xpos;
1141 old_mouse->u.data.y = scp->mouse_ypos;
1142 old_mouse->u.data.buttons = swapb[scp->mouse_buttons & 0x7];
1143 break;
1144 default:
1145 return EINVAL;
1146 }
1147 }
1148
1149 switch (mouse->operation) {
1150 case MOUSE_MODE:
1151 if (ISSIGVALID(mouse->u.mode.signal)) {
1152 scp->mouse_signal = mouse->u.mode.signal;
1153 scp->mouse_proc = p;
1154 scp->mouse_pid = p->p_pid;
1155 }
1156 else {
1157 scp->mouse_signal = 0;
1158 scp->mouse_proc = NULL;
1159 scp->mouse_pid = 0;
1160 }
1161 break;
1162
1163 case MOUSE_SHOW:
1164 if (!(scp->status & MOUSE_ENABLED)) {
1165 scp->status |= (MOUSE_ENABLED | MOUSE_VISIBLE);
1166 scp->mouse_oldpos = scp->mouse_pos;
1167 mark_all(scp);
1168 }
1169 else
1170 return EINVAL;
1171 break;
1172
1173 case MOUSE_HIDE:
1174 if (scp->status & MOUSE_ENABLED) {
1175 scp->status &= ~(MOUSE_ENABLED | MOUSE_VISIBLE);
1176 mark_all(scp);
1177 }
1178 else
1179 return EINVAL;
1180 break;
1181
1182 case MOUSE_MOVEABS:
1183 scp->mouse_xpos = mouse->u.data.x;
1184 scp->mouse_ypos = mouse->u.data.y;
1185 set_mouse_pos(scp);
1186 break;
1187
1188 case MOUSE_MOVEREL:
1189 scp->mouse_xpos += mouse->u.data.x;
1190 scp->mouse_ypos += mouse->u.data.y;
1191 set_mouse_pos(scp);
1192 break;
1193
1194 case MOUSE_GETINFO:
1195 mouse->u.data.x = scp->mouse_xpos;
1196 mouse->u.data.y = scp->mouse_ypos;
1197 mouse->u.data.z = 0;
1198 mouse->u.data.buttons = scp->mouse_buttons;
1199 break;
1200
1201 case MOUSE_ACTION:
1202 case MOUSE_MOTION_EVENT:
1203 /* this should maybe only be settable from /dev/consolectl SOS */
1204 /* send out mouse event on /dev/sysmouse */
1205
1206 mouse_status.dx += mouse->u.data.x;
1207 mouse_status.dy += mouse->u.data.y;
1208 mouse_status.dz += mouse->u.data.z;
1209 if (mouse->operation == MOUSE_ACTION)
1210 mouse_status.button = mouse->u.data.buttons;
1211 mouse_status.flags |=
1212 ((mouse->u.data.x || mouse->u.data.y || mouse->u.data.z) ?
1213 MOUSE_POSCHANGED : 0)
1214 | (mouse_status.obutton ^ mouse_status.button);
1215
1216 if (cur_console->status & MOUSE_ENABLED)
1217 cur_console->status |= MOUSE_VISIBLE;
1218
1219 if ((MOUSE_TTY)->t_state & TS_ISOPEN) {
1220 u_char buf[MOUSE_SYS_PACKETSIZE];
1221 int j;
1222
1223 /* the first five bytes are compatible with MouseSystems' */
1224 buf[0] = MOUSE_MSC_SYNC
1225 | butmap[mouse_status.button & MOUSE_STDBUTTONS];
1226 j = imax(imin(mouse->u.data.x, 255), -256);
1227 buf[1] = j >> 1;
1228 buf[3] = j - buf[1];
1229 j = -imax(imin(mouse->u.data.y, 255), -256);
1230 buf[2] = j >> 1;
1231 buf[4] = j - buf[2];
1232 for (j = 0; j < MOUSE_MSC_PACKETSIZE; j++)
1233 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[j],MOUSE_TTY);
1234 if (mouse_level >= 1) { /* extended part */
1235 j = imax(imin(mouse->u.data.z, 127), -128);
1236 buf[5] = (j >> 1) & 0x7f;
1237 buf[6] = (j - (j >> 1)) & 0x7f;
1238 /* buttons 4-10 */
1239 buf[7] = (~mouse_status.button >> 3) & 0x7f;
1240 for (j = MOUSE_MSC_PACKETSIZE;
1241 j < MOUSE_SYS_PACKETSIZE; j++)
1242 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[j],MOUSE_TTY);
1243 }
1244 }
1245
1246 if (cur_console->mouse_signal) {
1247 cur_console->mouse_buttons = mouse->u.data.buttons;
1248 /* has controlling process died? */
1249 if (cur_console->mouse_proc &&
1250 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){
1251 cur_console->mouse_signal = 0;
1252 cur_console->mouse_proc = NULL;
1253 cur_console->mouse_pid = 0;
1254 }
1255 else
1256 psignal(cur_console->mouse_proc, cur_console->mouse_signal);
1257 }
1258 else if (mouse->operation == MOUSE_ACTION && cut_buffer != NULL) {
1259 /* process button presses */
1260 if ((cur_console->mouse_buttons ^ mouse->u.data.buttons) &&
1261 !(cur_console->status & UNKNOWN_MODE)) {
1262 cur_console->mouse_buttons = mouse->u.data.buttons;
1263 if (cur_console->mouse_buttons & MOUSE_BUTTON1DOWN)
1264 mouse_cut_start(cur_console);
1265 else
1266 mouse_cut_end(cur_console);
1267 if (cur_console->mouse_buttons & MOUSE_BUTTON2DOWN ||
1268 cur_console->mouse_buttons & MOUSE_BUTTON3DOWN)
1269 mouse_paste(cur_console);
1270 }
1271 }
1272
1273 if (mouse->u.data.x != 0 || mouse->u.data.y != 0) {
1274 cur_console->mouse_xpos += mouse->u.data.x;
1275 cur_console->mouse_ypos += mouse->u.data.y;
1276 set_mouse_pos(cur_console);
1277 }
1278
1279 break;
1280
1281 case MOUSE_BUTTON_EVENT:
1282 if ((mouse->u.event.id & MOUSE_BUTTONS) == 0)
1283 return EINVAL;
1284 if (mouse->u.event.value < 0)
1285 return EINVAL;
1286
1287 if (mouse->u.event.value > 0) {
1288 cur_console->mouse_buttons |= mouse->u.event.id;
1289 mouse_status.button |= mouse->u.event.id;
1290 } else {
1291 cur_console->mouse_buttons &= ~mouse->u.event.id;
1292 mouse_status.button &= ~mouse->u.event.id;
1293 }
1294 mouse_status.flags |= mouse_status.obutton ^ mouse_status.button;
1295
1296 if (cur_console->status & MOUSE_ENABLED)
1297 cur_console->status |= MOUSE_VISIBLE;
1298
1299 if ((MOUSE_TTY)->t_state & TS_ISOPEN) {
1300 u_char buf[8];
1301 int i;
1302
1303 buf[0] = MOUSE_MSC_SYNC
1304 | butmap[mouse_status.button & MOUSE_STDBUTTONS];
1305 buf[7] = (~mouse_status.button >> 3) & 0x7f;
1306 buf[1] = buf[2] = buf[3] = buf[4] = buf[5] = buf[6] = 0;
1307 for (i = 0;
1308 i < ((mouse_level >= 1) ? MOUSE_SYS_PACKETSIZE
1309 : MOUSE_MSC_PACKETSIZE); i++)
1310 (*linesw[(MOUSE_TTY)->t_line].l_rint)(buf[i],MOUSE_TTY);
1311 }
1312
1313 if (cur_console->mouse_signal) {
1314 if (cur_console->mouse_proc &&
1315 (cur_console->mouse_proc != pfind(cur_console->mouse_pid))){
1316 cur_console->mouse_signal = 0;
1317 cur_console->mouse_proc = NULL;
1318 cur_console->mouse_pid = 0;
1319 }
1320 else
1321 psignal(cur_console->mouse_proc, cur_console->mouse_signal);
1322 break;
1323 }
1324
1325 if ((cur_console->status & UNKNOWN_MODE) || (cut_buffer == NULL))
1326 break;
1327
1328 switch (mouse->u.event.id) {
1329 case MOUSE_BUTTON1DOWN:
1330 switch (mouse->u.event.value % 4) {
1331 case 0: /* up */
1332 mouse_cut_end(cur_console);
1333 break;
1334 case 1:
1335 mouse_cut_start(cur_console);
1336 break;
1337 case 2:
1338 mouse_cut_word(cur_console);
1339 break;
1340 case 3:
1341 mouse_cut_line(cur_console);
1342 break;
1343 }
1344 break;
1345 case MOUSE_BUTTON2DOWN:
1346 switch (mouse->u.event.value) {
1347 case 0: /* up */
1348 break;
1349 default:
1350 mouse_paste(cur_console);
1351 break;
1352 }
1353 break;
1354 case MOUSE_BUTTON3DOWN:
1355 switch (mouse->u.event.value) {
1356 case 0: /* up */
1357 if (!(cur_console->mouse_buttons & MOUSE_BUTTON1DOWN))
1358 mouse_cut_end(cur_console);
1359 break;
1360 default:
1361 mouse_cut_extend(cur_console);
1362 break;
1363 }
1364 break;
1365 }
1366 break;
1367
1368 default:
1369 return EINVAL;
1370 }
1371 /* make screensaver happy */
1372 scrn_time_stamp = mono_time.tv_sec;
1373 return 0;
1374 }
1375
1376 /* MOUSE_XXX: /dev/sysmouse ioctls */
1377 case MOUSE_GETHWINFO: /* get device information */
1378 {
1379 mousehw_t *hw = (mousehw_t *)data;
1380
1381 if (tp != MOUSE_TTY)
1382 return ENOTTY;
1383 hw->buttons = 10; /* XXX unknown */
1384 hw->iftype = MOUSE_IF_SYSMOUSE;
1385 hw->type = MOUSE_MOUSE;
1386 hw->model = MOUSE_MODEL_GENERIC;
1387 hw->hwid = 0;
1388 return 0;
1389 }
1390
1391 case MOUSE_GETMODE: /* get protocol/mode */
1392 {
1393 mousemode_t *mode = (mousemode_t *)data;
1394
1395 if (tp != MOUSE_TTY)
1396 return ENOTTY;
1397 mode->level = mouse_level;
1398 switch (mode->level) {
1399 case 0:
1400 /* at this level, sysmouse emulates MouseSystems protocol */
1401 mode->protocol = MOUSE_PROTO_MSC;
1402 mode->rate = -1; /* unknown */
1403 mode->resolution = -1; /* unknown */
1404 mode->accelfactor = 0; /* disabled */
1405 mode->packetsize = MOUSE_MSC_PACKETSIZE;
1406 mode->syncmask[0] = MOUSE_MSC_SYNCMASK;
1407 mode->syncmask[1] = MOUSE_MSC_SYNC;
1408 break;
1409
1410 case 1:
1411 /* at this level, sysmouse uses its own protocol */
1412 mode->protocol = MOUSE_PROTO_SYSMOUSE;
1413 mode->rate = -1;
1414 mode->resolution = -1;
1415 mode->accelfactor = 0;
1416 mode->packetsize = MOUSE_SYS_PACKETSIZE;
1417 mode->syncmask[0] = MOUSE_SYS_SYNCMASK;
1418 mode->syncmask[1] = MOUSE_SYS_SYNC;
1419 break;
1420 }
1421 return 0;
1422 }
1423
1424 case MOUSE_SETMODE: /* set protocol/mode */
1425 {
1426 mousemode_t *mode = (mousemode_t *)data;
1427
1428 if (tp != MOUSE_TTY)
1429 return ENOTTY;
1430 if ((mode->level < 0) || (mode->level > 1))
1431 return EINVAL;
1432 mouse_level = mode->level;
1433 return 0;
1434 }
1435
1436 case MOUSE_GETLEVEL: /* get operation level */
1437 if (tp != MOUSE_TTY)
1438 return ENOTTY;
1439 *(int *)data = mouse_level;
1440 return 0;
1441
1442 case MOUSE_SETLEVEL: /* set operation level */
1443 if (tp != MOUSE_TTY)
1444 return ENOTTY;
1445 if ((*(int *)data < 0) || (*(int *)data > 1))
1446 return EINVAL;
1447 mouse_level = *(int *)data;
1448 return 0;
1449
1450 case MOUSE_GETSTATUS: /* get accumulated mouse events */
1451 if (tp != MOUSE_TTY)
1452 return ENOTTY;
1453 s = spltty();
1454 *(mousestatus_t *)data = mouse_status;
1455 mouse_status.flags = 0;
1456 mouse_status.obutton = mouse_status.button;
1457 mouse_status.dx = 0;
1458 mouse_status.dy = 0;
1459 mouse_status.dz = 0;
1460 splx(s);
1461 return 0;
1462
1463 #if notyet
1464 case MOUSE_GETVARS: /* get internal mouse variables */
1465 case MOUSE_SETVARS: /* set internal mouse variables */
1466 if (tp != MOUSE_TTY)
1467 return ENOTTY;
1468 return ENODEV;
1469 #endif
1470
1471 case MOUSE_READSTATE: /* read status from the device */
1472 case MOUSE_READDATA: /* read data from the device */
1473 if (tp != MOUSE_TTY)
1474 return ENOTTY;
1475 return ENODEV;
1476
1477 case CONS_GETINFO: /* get current (virtual) console info */
1478 {
1479 vid_info_t *ptr = (vid_info_t*)data;
1480 if (ptr->size == sizeof(struct vid_info)) {
1481 ptr->m_num = get_scr_num();
1482 ptr->mv_col = scp->xpos;
1483 ptr->mv_row = scp->ypos;
1484 ptr->mv_csz = scp->xsize;
1485 ptr->mv_rsz = scp->ysize;
1486 ptr->mv_norm.fore = (scp->term.std_color & 0x0f00)>>8;
1487 ptr->mv_norm.back = (scp->term.std_color & 0xf000)>>12;
1488 ptr->mv_rev.fore = (scp->term.rev_color & 0x0f00)>>8;
1489 ptr->mv_rev.back = (scp->term.rev_color & 0xf000)>>12;
1490 ptr->mv_grfc.fore = 0; /* not supported */
1491 ptr->mv_grfc.back = 0; /* not supported */
1492 ptr->mv_ovscan = scp->border;
1493 ptr->mk_keylock = scp->status & LOCK_KEY_MASK;
1494 return 0;
1495 }
1496 return EINVAL;
1497 }
1498
1499 case CONS_GETVERS: /* get version number */
1500 *(int*)data = 0x200; /* version 2.0 */
1501 return 0;
1502
1503 /* VGA TEXT MODES */
1504 case SW_VGA_C40x25:
1505 case SW_VGA_C80x25: case SW_VGA_M80x25:
1506 case SW_VGA_C80x30: case SW_VGA_M80x30:
1507 case SW_VGA_C80x50: case SW_VGA_M80x50:
1508 case SW_VGA_C80x60: case SW_VGA_M80x60:
1509 case SW_B40x25: case SW_C40x25:
1510 case SW_B80x25: case SW_C80x25:
1511 case SW_ENH_B40x25: case SW_ENH_C40x25:
1512 case SW_ENH_B80x25: case SW_ENH_C80x25:
1513 case SW_ENH_B80x43: case SW_ENH_C80x43:
1514 case SW_EGAMONO80x25:
1515
1516 if (!crtc_vga)
1517 return ENODEV;
1518 mp = get_mode_param(scp, cmd & 0xff);
1519 if (mp == NULL)
1520 return ENODEV;
1521
1522 s = spltty();
1523 if ((error = wait_scrn_saver_stop())) {
1524 splx(s);
1525 return error;
1526 }
1527
1528 scp->status &= ~MOUSE_VISIBLE;
1529 remove_cutmarking(scp);
1530 if (scp->history != NULL)
1531 i = imax(scp->history_size / scp->xsize
1532 - imax(SC_HISTORY_SIZE, scp->ysize), 0);
1533 else
1534 i = 0;
1535 switch (cmd & 0xff) {
1536 case M_VGA_C80x60: case M_VGA_M80x60:
1537 if (!(fonts_loaded & FONT_8)) {
1538 splx(s);
1539 return EINVAL;
1540 }
1541 /*
1542 * This is a kludge to fend off scrn_update() while we
1543 * muck around with scp. XXX
1544 */
1545 scp->status |= UNKNOWN_MODE;
1546 scp->xsize = 80;
1547 scp->ysize = 60;
1548 scp->font_size = 8;
1549 break;
1550 case M_VGA_C80x50: case M_VGA_M80x50:
1551 if (!(fonts_loaded & FONT_8)) {
1552 splx(s);
1553 return EINVAL;
1554 }
1555 scp->status |= UNKNOWN_MODE;
1556 scp->xsize = 80;
1557 scp->ysize = 50;
1558 scp->font_size = 8;
1559 break;
1560 case M_ENH_B80x43: case M_ENH_C80x43:
1561 if (!(fonts_loaded & FONT_8)) {
1562 splx(s);
1563 return EINVAL;
1564 }
1565 scp->status |= UNKNOWN_MODE;
1566 scp->xsize = 80;
1567 scp->ysize = 43;
1568 scp->font_size = 8;
1569 break;
1570 case M_VGA_C80x30: case M_VGA_M80x30:
1571 scp->status |= UNKNOWN_MODE;
1572 scp->xsize = 80;
1573 scp->ysize = 30;
1574 scp->font_size = mp[2];
1575 break;
1576 case M_ENH_C40x25: case M_ENH_B40x25:
1577 case M_ENH_C80x25: case M_ENH_B80x25:
1578 case M_EGAMONO80x25:
1579 if (!(fonts_loaded & FONT_14)) {
1580 splx(s);
1581 return EINVAL;
1582 }
1583 /* FALL THROUGH */
1584 default:
1585 if ((cmd & 0xff) > M_VGA_CG320) {
1586 splx(s);
1587 return EINVAL;
1588 }
1589 scp->status |= UNKNOWN_MODE;
1590 scp->xsize = mp[0];
1591 scp->ysize = mp[1] + rows_offset;
1592 scp->font_size = mp[2];
1593 break;
1594 }
1595
1596 scp->mode = cmd & 0xff;
1597 scp->xpixel = scp->xsize * 8;
1598 scp->ypixel = scp->ysize * scp->font_size;
1599 free(scp->scr_buf, M_DEVBUF);
1600 scp->scr_buf = (u_short *)
1601 malloc(scp->xsize*scp->ysize*sizeof(u_short), M_DEVBUF, M_WAITOK);
1602 /* move the text cursor to the home position */
1603 move_crsr(scp, 0, 0);
1604 /* move the mouse cursor at the center of the screen */
1605 scp->mouse_xpos = scp->xpixel / 2;
1606 scp->mouse_ypos = scp->ypixel / 2;
1607 scp->mouse_pos = scp->mouse_oldpos =
1608 scp->scr_buf + (scp->mouse_ypos / scp->font_size) * scp->xsize
1609 + scp->mouse_xpos / 8;
1610 /* allocate a larger cut buffer if necessary */
1611 if ((cut_buffer == NULL)
1612 || (cut_buffer_size < scp->xsize * scp->ysize + 1)) {
1613 if (cut_buffer != NULL)
1614 free(cut_buffer, M_DEVBUF);
1615 cut_buffer_size = scp->xsize * scp->ysize + 1;
1616 cut_buffer = (char *)malloc(cut_buffer_size, M_DEVBUF, M_NOWAIT);
1617 if (cut_buffer != NULL)
1618 cut_buffer[0] = '\0';
1619 }
1620 splx(s);
1621
1622 usp = scp->history;
1623 scp->history = NULL;
1624 if (usp != NULL) {
1625 free(usp, M_DEVBUF);
1626 extra_history_size += i;
1627 }
1628 scp->history_size = imax(SC_HISTORY_SIZE, scp->ysize) * scp->xsize;
1629 usp = (u_short *)malloc(scp->history_size * sizeof(u_short),
1630 M_DEVBUF, M_NOWAIT);
1631 if (usp != NULL)
1632 bzero(usp, scp->history_size * sizeof(u_short));
1633 scp->history_head = scp->history_pos = usp;
1634 scp->history = usp;
1635 if (scp == cur_console)
1636 set_mode(scp);
1637 clear_screen(scp);
1638 scp->status &= ~UNKNOWN_MODE;
1639
1640 if (tp->t_winsize.ws_col != scp->xsize
1641 || tp->t_winsize.ws_row != scp->ysize) {
1642 tp->t_winsize.ws_col = scp->xsize;
1643 tp->t_winsize.ws_row = scp->ysize;
1644 pgsignal(tp->t_pgrp, SIGWINCH, 1);
1645 }
1646 return 0;
1647
1648 /* GRAPHICS MODES */
1649 case SW_BG320: case SW_BG640:
1650 case SW_CG320: case SW_CG320_D: case SW_CG640_E:
1651 case SW_CG640x350: case SW_ENH_CG640:
1652 case SW_BG640x480: case SW_CG640x480: case SW_VGA_CG320:
1653
1654 if (!crtc_vga)
1655 return ENODEV;
1656 mp = get_mode_param(scp, cmd & 0xff);
1657 if (mp == NULL)
1658 return ENODEV;
1659
1660 s = spltty();
1661 if ((error = wait_scrn_saver_stop())) {
1662 splx(s);
1663 return error;
1664 }
1665
1666 scp->status &= ~MOUSE_VISIBLE;
1667 remove_cutmarking(scp);
1668 scp->status |= UNKNOWN_MODE; /* graphics mode */
1669 scp->mode = cmd & 0xFF;
1670 scp->xpixel = mp[0] * 8;
1671 scp->ypixel = (mp[1] + rows_offset) * mp[2];
1672 scp->font_size = FONT_NONE;
1673 /* move the mouse cursor at the center of the screen */
1674 scp->mouse_xpos = scp->xpixel / 2;
1675 scp->mouse_ypos = scp->ypixel / 2;
1676 splx(s);
1677
1678 if (scp == cur_console)
1679 set_mode(scp);
1680 /* clear_graphics();*/
1681
1682 if (tp->t_winsize.ws_xpixel != scp->xpixel
1683 || tp->t_winsize.ws_ypixel != scp->ypixel) {
1684 tp->t_winsize.ws_xpixel = scp->xpixel;
1685 tp->t_winsize.ws_ypixel = scp->ypixel;
1686 pgsignal(tp->t_pgrp, SIGWINCH, 1);
1687 }
1688 return 0;
1689
1690 case SW_VGA_MODEX:
1691 if (!crtc_vga)
1692 return ENODEV;
1693 mp = get_mode_param(scp, cmd & 0xff);
1694 if (mp == NULL)
1695 return ENODEV;
1696
1697 s = spltty();
1698 if ((error = wait_scrn_saver_stop())) {
1699 splx(s);
1700 return error;
1701 }
1702
1703 scp->status &= ~MOUSE_VISIBLE;
1704 remove_cutmarking(scp);
1705 scp->status |= UNKNOWN_MODE; /* graphics mode */
1706 scp->mode = cmd & 0xFF;
1707 scp->xpixel = 320;
1708 scp->ypixel = 240;
1709 scp->font_size = FONT_NONE;
1710 splx(s);
1711
1712 if (scp == cur_console)
1713 set_mode(scp);
1714 /* clear_graphics();*/
1715 if (tp->t_winsize.ws_xpixel != scp->xpixel
1716 || tp->t_winsize.ws_ypixel != scp->ypixel) {
1717 tp->t_winsize.ws_xpixel = scp->xpixel;
1718 tp->t_winsize.ws_ypixel = scp->ypixel;
1719 pgsignal(tp->t_pgrp, SIGWINCH, 1);
1720 }
1721 return 0;
1722
1723 case VT_SETMODE: /* set screen switcher mode */
1724 {
1725 struct vt_mode *mode;
1726
1727 mode = (struct vt_mode *)data;
1728 if (ISSIGVALID(mode->relsig) && ISSIGVALID(mode->acqsig) &&
1729 ISSIGVALID(mode->frsig)) {
1730 bcopy(data, &scp->smode, sizeof(struct vt_mode));
1731 if (scp->smode.mode == VT_PROCESS) {
1732 scp->proc = p;
1733 scp->pid = scp->proc->p_pid;
1734 }
1735 return 0;
1736 } else
1737 return EINVAL;
1738 }
1739
1740 case VT_GETMODE: /* get screen switcher mode */
1741 bcopy(&scp->smode, data, sizeof(struct vt_mode));
1742 return 0;
1743
1744 case VT_RELDISP: /* screen switcher ioctl */
1745 switch(*data) {
1746 case VT_FALSE: /* user refuses to release screen, abort */
1747 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
1748 old_scp->status &= ~SWITCH_WAIT_REL;
1749 switch_in_progress = FALSE;
1750 return 0;
1751 }
1752 return EINVAL;
1753
1754 case VT_TRUE: /* user has released screen, go on */
1755 if (scp == old_scp && (scp->status & SWITCH_WAIT_REL)) {
1756 scp->status &= ~SWITCH_WAIT_REL;
1757 exchange_scr();
1758 if (new_scp->smode.mode == VT_PROCESS) {
1759 new_scp->status |= SWITCH_WAIT_ACQ;
1760 psignal(new_scp->proc, new_scp->smode.acqsig);
1761 }
1762 else
1763 switch_in_progress = FALSE;
1764 return 0;
1765 }
1766 return EINVAL;
1767
1768 case VT_ACKACQ: /* acquire acknowledged, switch completed */
1769 if (scp == new_scp && (scp->status & SWITCH_WAIT_ACQ)) {
1770 scp->status &= ~SWITCH_WAIT_ACQ;
1771 switch_in_progress = FALSE;
1772 return 0;
1773 }
1774 return EINVAL;
1775
1776 default:
1777 return EINVAL;
1778 }
1779 /* NOT REACHED */
1780
1781 case VT_OPENQRY: /* return free virtual console */
1782 for (i = 0; i < MAXCONS; i++) {
1783 tp = VIRTUAL_TTY(i);
1784 if (!(tp->t_state & TS_ISOPEN)) {
1785 *data = i + 1;
1786 return 0;
1787 }
1788 }
1789 return EINVAL;
1790
1791 case VT_ACTIVATE: /* switch to screen *data */
1792 return switch_scr(scp, (*data) - 1);
1793
1794 case VT_WAITACTIVE: /* wait for switch to occur */
1795 if (*data > MAXCONS || *data < 0)
1796 return EINVAL;
1797 if (minor(dev) == (*data) - 1)
1798 return 0;
1799 if (*data == 0) {
1800 if (scp == cur_console)
1801 return 0;
1802 }
1803 else
1804 scp = console[(*data) - 1];
1805 while ((error=tsleep((caddr_t)&scp->smode, PZERO|PCATCH,
1806 "waitvt", 0)) == ERESTART) ;
1807 return error;
1808
1809 case VT_GETACTIVE:
1810 *data = get_scr_num()+1;
1811 return 0;
1812
1813 case KDENABIO: /* allow io operations */
1814 error = suser(p->p_ucred, &p->p_acflag);
1815 if (error != 0)
1816 return error;
1817 if (securelevel > 0)
1818 return EPERM;
1819 fp = (struct trapframe *)p->p_md.md_regs;
1820 fp->tf_eflags |= PSL_IOPL;
1821 return 0;
1822
1823 case KDDISABIO: /* disallow io operations (default) */
1824 fp = (struct trapframe *)p->p_md.md_regs;
1825 fp->tf_eflags &= ~PSL_IOPL;
1826 return 0;
1827
1828 case KDSETMODE: /* set current mode of this (virtual) console */
1829 switch (*data) {
1830 case KD_TEXT: /* switch to TEXT (known) mode */
1831 /* restore fonts & palette ! */
1832 if (crtc_vga) {
1833 #if 0
1834 /*
1835 * FONT KLUDGE
1836 * Don't load fonts for now... XXX
1837 */
1838 if (fonts_loaded & FONT_8)
1839 copy_font(LOAD, FONT_8, font_8);
1840 if (fonts_loaded & FONT_14)
1841 copy_font(LOAD, FONT_14, font_14);
1842 if (fonts_loaded & FONT_16)
1843 copy_font(LOAD, FONT_16, font_16);
1844 #endif
1845 load_palette(palette);
1846 }
1847 /* FALL THROUGH */
1848
1849 case KD_TEXT1: /* switch to TEXT (known) mode */
1850 s = spltty();
1851 if ((error = wait_scrn_saver_stop())) {
1852 splx(s);
1853 return error;
1854 }
1855 scp->status &= ~MOUSE_VISIBLE;
1856 remove_cutmarking(scp);
1857 scp->status |= UNKNOWN_MODE;
1858 splx(s);
1859 /* no restore fonts & palette */
1860 if (crtc_vga)
1861 set_mode(scp);
1862 scp->status &= ~UNKNOWN_MODE;
1863 clear_screen(scp);
1864 return 0;
1865
1866 case KD_GRAPHICS: /* switch to GRAPHICS (unknown) mode */
1867 s = spltty();
1868 if ((error = wait_scrn_saver_stop())) {
1869 splx(s);
1870 return error;
1871 }
1872 scp->status &= ~MOUSE_VISIBLE;
1873 remove_cutmarking(scp);
1874 scp->status |= UNKNOWN_MODE;
1875 splx(s);
1876 return 0;
1877 default:
1878 return EINVAL;
1879 }
1880 /* NOT REACHED */
1881
1882 case KDGETMODE: /* get current mode of this (virtual) console */
1883 *data = (scp->status & UNKNOWN_MODE) ? KD_GRAPHICS : KD_TEXT;
1884 return 0;
1885
1886 case KDSBORDER: /* set border color of this (virtual) console */
1887 scp->border = *data;
1888 if (scp == cur_console)
1889 set_border(scp->border);
1890 return 0;
1891
1892 case KDSKBSTATE: /* set keyboard state (locks) */
1893 if (*data >= 0 && *data <= LOCK_KEY_MASK) {
1894 scp->status &= ~LOCK_KEY_MASK;
1895 scp->status |= *data;
1896 if (scp == cur_console)
1897 update_leds(scp->status);
1898 return 0;
1899 }
1900 return EINVAL;
1901
1902 case KDGKBSTATE: /* get keyboard state (locks) */
1903 *data = scp->status & LOCK_KEY_MASK;
1904 return 0;
1905
1906 case KDSETRAD: /* set keyboard repeat & delay rates */
1907 if (*data & 0x80)
1908 return EINVAL;
1909 if (sc_kbdc != NULL)
1910 set_keyboard(KBDC_SET_TYPEMATIC, *data);
1911 return 0;
1912
1913 case KDSKBMODE: /* set keyboard mode */
1914 switch (*data) {
1915 case K_RAW: /* switch to RAW scancode mode */
1916 scp->status &= ~KBD_CODE_MODE;
1917 scp->status |= KBD_RAW_MODE;
1918 return 0;
1919
1920 case K_CODE: /* switch to CODE mode */
1921 scp->status &= ~KBD_RAW_MODE;
1922 scp->status |= KBD_CODE_MODE;
1923 return 0;
1924
1925 case K_XLATE: /* switch to XLT ascii mode */
1926 if (scp == cur_console && scp->status & KBD_RAW_MODE)
1927 shfts = ctls = alts = agrs = metas = accents = 0;
1928 scp->status &= ~(KBD_RAW_MODE | KBD_CODE_MODE);
1929 return 0;
1930 default:
1931 return EINVAL;
1932 }
1933 /* NOT REACHED */
1934
1935 case KDGKBMODE: /* get keyboard mode */
1936 *data = (scp->status & KBD_RAW_MODE) ? K_RAW :
1937 ((scp->status & KBD_CODE_MODE) ? K_CODE : K_XLATE);
1938 return 0;
1939
1940 case KDMKTONE: /* sound the bell */
1941 if (*(int*)data)
1942 do_bell(scp, (*(int*)data)&0xffff,
1943 (((*(int*)data)>>16)&0xffff)*hz/1000);
1944 else
1945 do_bell(scp, scp->bell_pitch, scp->bell_duration);
1946 return 0;
1947
1948 case KIOCSOUND: /* make tone (*data) hz */
1949 if (scp == cur_console) {
1950 if (*(int*)data) {
1951 int pitch = timer_freq / *(int*)data;
1952
1953 /* set command for counter 2, 2 byte write */
1954 if (acquire_timer2(TIMER_16BIT|TIMER_SQWAVE))
1955 return EBUSY;
1956
1957 /* set pitch */
1958 outb(TIMER_CNTR2, pitch);
1959 outb(TIMER_CNTR2, (pitch>>8));
1960
1961 /* enable counter 2 output to speaker */
1962 outb(IO_PPI, inb(IO_PPI) | 3);
1963 }
1964 else {
1965 /* disable counter 2 output to speaker */
1966 outb(IO_PPI, inb(IO_PPI) & 0xFC);
1967 release_timer2();
1968 }
1969 }
1970 return 0;
1971
1972 case KDGKBTYPE: /* get keyboard type */
1973 *data = 0; /* type not known (yet) */
1974 return 0;
1975
1976 case KDSETLED: /* set keyboard LED status */
1977 if (*data >= 0 && *data <= LED_MASK) {
1978 scp->status &= ~LED_MASK;
1979 scp->status |= *data;
1980 if (scp == cur_console)
1981 update_leds(scp->status);
1982 return 0;
1983 }
1984 return EINVAL;
1985
1986 case KDGETLED: /* get keyboard LED status */
1987 *data = scp->status & LED_MASK;
1988 return 0;
1989
1990 case GETFKEY: /* get functionkey string */
1991 if (*(u_short*)data < n_fkey_tab) {
1992 fkeyarg_t *ptr = (fkeyarg_t*)data;
1993 bcopy(&fkey_tab[ptr->keynum].str, ptr->keydef,
1994 fkey_tab[ptr->keynum].len);
1995 ptr->flen = fkey_tab[ptr->keynum].len;
1996 return 0;
1997 }
1998 else
1999 return EINVAL;
2000
2001 case SETFKEY: /* set functionkey string */
2002 if (*(u_short*)data < n_fkey_tab) {
2003 fkeyarg_t *ptr = (fkeyarg_t*)data;
2004 bcopy(ptr->keydef, &fkey_tab[ptr->keynum].str,
2005 min(ptr->flen, MAXFK));
2006 fkey_tab[ptr->keynum].len = min(ptr->flen, MAXFK);
2007 return 0;
2008 }
2009 else
2010 return EINVAL;
2011
2012 case GIO_SCRNMAP: /* get output translation table */
2013 bcopy(&scr_map, data, sizeof(scr_map));
2014 return 0;
2015
2016 case PIO_SCRNMAP: /* set output translation table */
2017 bcopy(data, &scr_map, sizeof(scr_map));
2018 for (i=0; i<sizeof(scr_map); i++)
2019 scr_rmap[scr_map[i]] = i;
2020 return 0;
2021
2022 case GIO_KEYMAP: /* get keyboard translation table */
2023 bcopy(&key_map, data, sizeof(key_map));
2024 return 0;
2025
2026 case PIO_KEYMAP: /* set keyboard translation table */
2027 accents = 0;
2028 bzero(&accent_map, sizeof(accent_map));
2029 bcopy(data, &key_map, sizeof(key_map));
2030 return 0;
2031
2032 case GIO_DEADKEYMAP: /* get accent key translation table */
2033 bcopy(&accent_map, data, sizeof(accent_map));
2034 return 0;
2035
2036 case PIO_DEADKEYMAP: /* set accent key translation table */
2037 accents = 0;
2038 bcopy(data, &accent_map, sizeof(accent_map));
2039 return 0;
2040
2041 case PIO_FONT8x8: /* set 8x8 dot font */
2042 if (!crtc_vga)
2043 return ENXIO;
2044 bcopy(data, font_8, 8*256);
2045 fonts_loaded |= FONT_8;
2046 /*
2047 * FONT KLUDGE
2048 * Always use the font page #0. XXX
2049 * Don't load if the current font size is not 8x8.
2050 */
2051 if (!(cur_console->status & UNKNOWN_MODE)
2052 && (cur_console->font_size < 14)) {
2053 copy_font(LOAD, FONT_8, font_8);
2054 if (flags & CHAR_CURSOR)
2055 set_destructive_cursor(cur_console);
2056 }
2057 return 0;
2058
2059 case GIO_FONT8x8: /* get 8x8 dot font */
2060 if (!crtc_vga)
2061 return ENXIO;
2062 if (fonts_loaded & FONT_8) {
2063 bcopy(font_8, data, 8*256);
2064 return 0;
2065 }
2066 else
2067 return ENXIO;
2068
2069 case PIO_FONT8x14: /* set 8x14 dot font */
2070 if (!crtc_vga)
2071 return ENXIO;
2072 bcopy(data, font_14, 14*256);
2073 fonts_loaded |= FONT_14;
2074 /*
2075 * FONT KLUDGE
2076 * Always use the font page #0. XXX
2077 * Don't load if the current font size is not 8x14.
2078 */
2079 if (!(cur_console->status & UNKNOWN_MODE)
2080 && (cur_console->font_size >= 14) && (cur_console->font_size < 16)) {
2081 copy_font(LOAD, FONT_14, font_14);
2082 if (flags & CHAR_CURSOR)
2083 set_destructive_cursor(cur_console);
2084 }
2085 return 0;
2086
2087 case GIO_FONT8x14: /* get 8x14 dot font */
2088 if (!crtc_vga)
2089 return ENXIO;
2090 if (fonts_loaded & FONT_14) {
2091 bcopy(font_14, data, 14*256);
2092 return 0;
2093 }
2094 else
2095 return ENXIO;
2096
2097 case PIO_FONT8x16: /* set 8x16 dot font */
2098 if (!crtc_vga)
2099 return ENXIO;
2100 bcopy(data, font_16, 16*256);
2101 fonts_loaded |= FONT_16;
2102 /*
2103 * FONT KLUDGE
2104 * Always use the font page #0. XXX
2105 * Don't load if the current font size is not 8x16.
2106 */
2107 if (!(cur_console->status & UNKNOWN_MODE)
2108 && (cur_console->font_size >= 16)) {
2109 copy_font(LOAD, FONT_16, font_16);
2110 if (flags & CHAR_CURSOR)
2111 set_destructive_cursor(cur_console);
2112 }
2113 return 0;
2114
2115 case GIO_FONT8x16: /* get 8x16 dot font */
2116 if (!crtc_vga)
2117 return ENXIO;
2118 if (fonts_loaded & FONT_16) {
2119 bcopy(font_16, data, 16*256);
2120 return 0;
2121 }
2122 else
2123 return ENXIO;
2124 default:
2125 break;
2126 }
2127
2128 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
2129 if (error >= 0)
2130 return(error);
2131 error = ttioctl(tp, cmd, data, flag);
2132 if (error >= 0)
2133 return(error);
2134 return(ENOTTY);
2135 }
2136
2137 static void
2138 scstart(struct tty *tp)
2139 {
2140 struct clist *rbp;
2141 int s, len;
2142 u_char buf[PCBURST];
2143 scr_stat *scp = get_scr_stat(tp->t_dev);
2144
2145 if (scp->status & SLKED || blink_in_progress)
2146 return; /* XXX who repeats the call when the above flags are cleared? */
2147 s = spltty();
2148 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
2149 tp->t_state |= TS_BUSY;
2150 rbp = &tp->t_outq;
2151 while (rbp->c_cc) {
2152 len = q_to_b(rbp, buf, PCBURST);
2153 splx(s);
2154 ansi_put(scp, buf, len);
2155 s = spltty();
2156 }
2157 tp->t_state &= ~TS_BUSY;
2158 ttwwakeup(tp);
2159 }
2160 splx(s);
2161 }
2162
2163 static void
2164 scmousestart(struct tty *tp)
2165 {
2166 struct clist *rbp;
2167 int s;
2168 u_char buf[PCBURST];
2169
2170 s = spltty();
2171 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
2172 tp->t_state |= TS_BUSY;
2173 rbp = &tp->t_outq;
2174 while (rbp->c_cc) {
2175 q_to_b(rbp, buf, PCBURST);
2176 }
2177 tp->t_state &= ~TS_BUSY;
2178 ttwwakeup(tp);
2179 }
2180 splx(s);
2181 }
2182
2183 void
2184 sccnprobe(struct consdev *cp)
2185 {
2186 struct isa_device *dvp;
2187
2188 /*
2189 * Take control if we are the highest priority enabled display device.
2190 */
2191 dvp = find_display();
2192 if (dvp == NULL || dvp->id_driver != &scdriver) {
2193 cp->cn_pri = CN_DEAD;
2194 return;
2195 }
2196
2197 if (!scvidprobe(dvp->id_unit, dvp->id_flags)) {
2198 cp->cn_pri = CN_DEAD;
2199 return;
2200 }
2201
2202 /* initialize required fields */
2203 cp->cn_dev = makedev(CDEV_MAJOR, SC_CONSOLE);
2204 cp->cn_pri = CN_INTERNAL;
2205
2206 sc_kbdc = kbdc_open(sc_port);
2207 }
2208
2209 void
2210 sccninit(struct consdev *cp)
2211 {
2212 scinit();
2213 }
2214
2215 void
2216 sccnputc(dev_t dev, int c)
2217 {
2218 u_char buf[1];
2219 int s;
2220 scr_stat *scp = console[0];
2221 term_stat save = scp->term;
2222
2223 scp->term = kernel_console;
2224 current_default = &kernel_default;
2225 if (scp == cur_console && !(scp->status & UNKNOWN_MODE))
2226 remove_cursor_image(scp);
2227 buf[0] = c;
2228 ansi_put(scp, buf, 1);
2229 kernel_console = scp->term;
2230 current_default = &user_default;
2231 scp->term = save;
2232
2233 s = spltty(); /* block scintr and scrn_timer */
2234 sccnupdate(scp);
2235 splx(s);
2236 }
2237
2238 int
2239 sccngetc(dev_t dev)
2240 {
2241 int s = spltty(); /* block scintr and scrn_timer while we poll */
2242 int c;
2243
2244 /*
2245 * Stop the screen saver and update the screen if necessary.
2246 * What if we have been running in the screen saver code... XXX
2247 */
2248 sccnupdate(cur_console);
2249
2250 c = scgetc(SCGETC_CN);
2251 splx(s);
2252 return(c);
2253 }
2254
2255 int
2256 sccncheckc(dev_t dev)
2257 {
2258 int s = spltty(); /* block scintr and scrn_timer while we poll */
2259 int c;
2260
2261 sccnupdate(cur_console);
2262 c = scgetc(SCGETC_CN | SCGETC_NONBLOCK);
2263 splx(s);
2264 return(c == NOKEY ? -1 : c); /* c == -1 can't happen */
2265 }
2266
2267 static void
2268 sccnupdate(scr_stat *scp)
2269 {
2270 if (scp == cur_console && !font_loading_in_progress) {
2271 if (scrn_blanked > 0)
2272 stop_scrn_saver(current_saver);
2273 if (!(scp->status & UNKNOWN_MODE) && scrn_blanked <= 0
2274 && !blink_in_progress && !switch_in_progress)
2275 scrn_update(scp, TRUE);
2276 }
2277 }
2278
2279 static scr_stat
2280 *get_scr_stat(dev_t dev)
2281 {
2282 int unit = minor(dev);
2283
2284 if (unit == SC_CONSOLE)
2285 return console[0];
2286 if (unit >= MAXCONS || unit < 0)
2287 return(NULL);
2288 return console[unit];
2289 }
2290
2291 static int
2292 get_scr_num()
2293 {
2294 int i = 0;
2295
2296 while ((i < MAXCONS) && (cur_console != console[i]))
2297 i++;
2298 return i < MAXCONS ? i : 0;
2299 }
2300
2301 static void
2302 scrn_timer(void *arg)
2303 {
2304 scr_stat *scp = cur_console;
2305 int s;
2306
2307 /* don't do anything when we are touching font */
2308 if (font_loading_in_progress) {
2309 timeout(scrn_timer, NULL, hz / 10);
2310 return;
2311 }
2312 s = spltty();
2313
2314 /*
2315 * With release 2.1 of the Xaccel server, the keyboard is left
2316 * hanging pretty often. Apparently an interrupt from the
2317 * keyboard is lost, and I don't know why (yet).
2318 * This ugly hack calls scintr if input is ready for the keyboard
2319 * and conveniently hides the problem. XXX
2320 */
2321 /* Try removing anything stuck in the keyboard controller; whether
2322 * it's a keyboard scan code or mouse data. `scintr()' doesn't
2323 * read the mouse data directly, but `kbdio' routines will, as a
2324 * side effect.
2325 */
2326 if (kbdc_lock(sc_kbdc, TRUE)) {
2327 /*
2328 * We have seen the lock flag is not set. Let's reset the flag early;
2329 * otherwise `update_led()' failes which may want the lock
2330 * during `scintr()'.
2331 */
2332 kbdc_lock(sc_kbdc, FALSE);
2333 if (kbdc_data_ready(sc_kbdc))
2334 scintr(0);
2335 }
2336
2337 /* should we stop the screen saver? */
2338 if (panicstr || shutdown_in_progress)
2339 scrn_time_stamp = mono_time.tv_sec;
2340 if (mono_time.tv_sec <= scrn_time_stamp + scrn_blank_time)
2341 if (scrn_blanked > 0)
2342 stop_scrn_saver(current_saver);
2343
2344 /* should we just return ? */
2345 if ((scp->status&UNKNOWN_MODE) || blink_in_progress || switch_in_progress) {
2346 timeout(scrn_timer, NULL, hz / 10);
2347 splx(s);
2348 return;
2349 }
2350
2351 scp = cur_console;
2352 if (scrn_blanked <= 0)
2353 scrn_update(scp, TRUE);
2354
2355 /* should we activate the screen saver? */
2356 if ((scrn_blank_time != 0)
2357 && (mono_time.tv_sec > scrn_time_stamp + scrn_blank_time))
2358 (*current_saver)(TRUE);
2359
2360 timeout(scrn_timer, NULL, hz / 25);
2361 splx(s);
2362 }
2363
2364 static void
2365 scrn_update(scr_stat *scp, int show_cursor)
2366 {
2367 /* update screen image */
2368 if (scp->start <= scp->end) {
2369 sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start,
2370 (1 + scp->end - scp->start) * sizeof(u_short));
2371 }
2372
2373 /* we are not to show the cursor and the mouse pointer... */
2374 if (!show_cursor) {
2375 scp->end = 0;
2376 scp->start = scp->xsize*scp->ysize;
2377 return;
2378 }
2379
2380 /* update "pseudo" mouse pointer image */
2381 if (scp->status & MOUSE_VISIBLE) {
2382 /* did mouse move since last time ? */
2383 if (scp->status & MOUSE_MOVED) {
2384 /* do we need to remove old mouse pointer image ? */
2385 if (scp->mouse_cut_start != NULL ||
2386 (scp->mouse_pos-scp->scr_buf) <= scp->start ||
2387 (scp->mouse_pos+scp->xsize + 1 - scp->scr_buf) >= scp->end) {
2388 remove_mouse_image(scp);
2389 }
2390 scp->status &= ~MOUSE_MOVED;
2391 draw_mouse_image(scp);
2392 }
2393 else {
2394 /* mouse didn't move, has it been overwritten ? */
2395 if ((scp->mouse_pos+scp->xsize + 1 - scp->scr_buf) >= scp->start &&
2396 (scp->mouse_pos - scp->scr_buf) <= scp->end) {
2397 draw_mouse_image(scp);
2398 }
2399 }
2400 }
2401
2402 /* update cursor image */
2403 if (scp->status & CURSOR_ENABLED) {
2404 /* did cursor move since last time ? */
2405 if (scp->cursor_pos != scp->cursor_oldpos) {
2406 /* do we need to remove old cursor image ? */
2407 if ((scp->cursor_oldpos - scp->scr_buf) < scp->start ||
2408 ((scp->cursor_oldpos - scp->scr_buf) > scp->end)) {
2409 remove_cursor_image(scp);
2410 }
2411 scp->cursor_oldpos = scp->cursor_pos;
2412 draw_cursor_image(scp);
2413 }
2414 else {
2415 /* cursor didn't move, has it been overwritten ? */
2416 if (scp->cursor_pos - scp->scr_buf >= scp->start &&
2417 scp->cursor_pos - scp->scr_buf <= scp->end) {
2418 draw_cursor_image(scp);
2419 } else {
2420 /* if its a blinking cursor, we may have to update it */
2421 if (flags & BLINK_CURSOR)
2422 draw_cursor_image(scp);
2423 }
2424 }
2425 blinkrate++;
2426 }
2427
2428 if (scp->mouse_cut_start != NULL)
2429 draw_cutmarking(scp);
2430
2431 scp->end = 0;
2432 scp->start = scp->xsize*scp->ysize;
2433 }
2434
2435 int
2436 add_scrn_saver(void (*this_saver)(int))
2437 {
2438 if (current_saver != none_saver)
2439 return EBUSY;
2440 current_saver = this_saver;
2441 return 0;
2442 }
2443
2444 int
2445 remove_scrn_saver(void (*this_saver)(int))
2446 {
2447 if (current_saver != this_saver)
2448 return EINVAL;
2449
2450 /*
2451 * In order to prevent `current_saver' from being called by
2452 * the timeout routine `scrn_timer()' while we manipulate
2453 * the saver list, we shall set `current_saver' to `none_saver'
2454 * before stopping the current saver, rather than blocking by `splXX()'.
2455 */
2456 current_saver = none_saver;
2457 if (scrn_blanked > 0)
2458 stop_scrn_saver(this_saver);
2459
2460 return 0;
2461 }
2462
2463 static void
2464 stop_scrn_saver(void (*saver)(int))
2465 {
2466 (*saver)(FALSE);
2467 scrn_time_stamp = mono_time.tv_sec;
2468 mark_all(cur_console);
2469 wakeup((caddr_t)&scrn_blanked);
2470 }
2471
2472 static int
2473 wait_scrn_saver_stop(void)
2474 {
2475 int error = 0;
2476
2477 scrn_time_stamp = mono_time.tv_sec;
2478 while (scrn_blanked > 0) {
2479 error = tsleep((caddr_t)&scrn_blanked, PZERO | PCATCH, "scrsav", 0);
2480 scrn_time_stamp = mono_time.tv_sec;
2481 if (error != ERESTART)
2482 break;
2483 }
2484 return error;
2485 }
2486
2487 static void
2488 clear_screen(scr_stat *scp)
2489 {
2490 move_crsr(scp, 0, 0);
2491 scp->cursor_oldpos = scp->cursor_pos;
2492 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf,
2493 scp->xsize * scp->ysize);
2494 mark_all(scp);
2495 remove_cutmarking(scp);
2496 }
2497
2498 static int
2499 switch_scr(scr_stat *scp, u_int next_scr)
2500 {
2501 if (switch_in_progress && (cur_console->proc != pfind(cur_console->pid)))
2502 switch_in_progress = FALSE;
2503
2504 if (next_scr >= MAXCONS || switch_in_progress ||
2505 (cur_console->smode.mode == VT_AUTO
2506 && cur_console->status & UNKNOWN_MODE)) {
2507 do_bell(scp, BELL_PITCH, BELL_DURATION);
2508 return EINVAL;
2509 }
2510
2511 /* is the wanted virtual console open ? */
2512 if (next_scr) {
2513 struct tty *tp = VIRTUAL_TTY(next_scr);
2514 if (!(tp->t_state & TS_ISOPEN)) {
2515 do_bell(scp, BELL_PITCH, BELL_DURATION);
2516 return EINVAL;
2517 }
2518 }
2519 /* delay switch if actively updating screen */
2520 if (write_in_progress || blink_in_progress) {
2521 delayed_next_scr = next_scr+1;
2522 return 0;
2523 }
2524 switch_in_progress = TRUE;
2525 old_scp = cur_console;
2526 new_scp = console[next_scr];
2527 wakeup((caddr_t)&new_scp->smode);
2528 if (new_scp == old_scp) {
2529 switch_in_progress = FALSE;
2530 delayed_next_scr = FALSE;
2531 return 0;
2532 }
2533
2534 /* has controlling process died? */
2535 if (old_scp->proc && (old_scp->proc != pfind(old_scp->pid)))
2536 old_scp->smode.mode = VT_AUTO;
2537 if (new_scp->proc && (new_scp->proc != pfind(new_scp->pid)))
2538 new_scp->smode.mode = VT_AUTO;
2539
2540 /* check the modes and switch appropriately */
2541 if (old_scp->smode.mode == VT_PROCESS) {
2542 old_scp->status |= SWITCH_WAIT_REL;
2543 psignal(old_scp->proc, old_scp->smode.relsig);
2544 }
2545 else {
2546 exchange_scr();
2547 if (new_scp->smode.mode == VT_PROCESS) {
2548 new_scp->status |= SWITCH_WAIT_ACQ;
2549 psignal(new_scp->proc, new_scp->smode.acqsig);
2550 }
2551 else
2552 switch_in_progress = FALSE;
2553 }
2554 return 0;
2555 }
2556
2557 static void
2558 exchange_scr(void)
2559 {
2560 move_crsr(old_scp, old_scp->xpos, old_scp->ypos);
2561 cur_console = new_scp;
2562 if (old_scp->mode != new_scp->mode || (old_scp->status & UNKNOWN_MODE)){
2563 if (crtc_vga)
2564 set_mode(new_scp);
2565 }
2566 move_crsr(new_scp, new_scp->xpos, new_scp->ypos);
2567 if (!(new_scp->status & UNKNOWN_MODE) && (flags & CHAR_CURSOR))
2568 set_destructive_cursor(new_scp);
2569 if ((old_scp->status & UNKNOWN_MODE) && crtc_vga)
2570 load_palette(palette);
2571 if (old_scp->status & KBD_RAW_MODE || new_scp->status & KBD_RAW_MODE ||
2572 old_scp->status & KBD_CODE_MODE || new_scp->status & KBD_CODE_MODE)
2573 shfts = ctls = alts = agrs = metas = accents = 0;
2574 set_border(new_scp->border);
2575 update_leds(new_scp->status);
2576 delayed_next_scr = FALSE;
2577 mark_all(new_scp);
2578 }
2579
2580 static void
2581 scan_esc(scr_stat *scp, u_char c)
2582 {
2583 static u_char ansi_col[16] =
2584 {0, 4, 2, 6, 1, 5, 3, 7, 8, 12, 10, 14, 9, 13, 11, 15};
2585 int i, n;
2586 u_short *src, *dst, count;
2587
2588 if (scp->term.esc == 1) { /* seen ESC */
2589 switch (c) {
2590
2591 case '7': /* Save cursor position */
2592 scp->saved_xpos = scp->xpos;
2593 scp->saved_ypos = scp->ypos;
2594 break;
2595
2596 case '8': /* Restore saved cursor position */
2597 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0)
2598 move_crsr(scp, scp->saved_xpos, scp->saved_ypos);
2599 break;
2600
2601 case '[': /* Start ESC [ sequence */
2602 scp->term.esc = 2;
2603 scp->term.last_param = -1;
2604 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
2605 scp->term.param[i] = 1;
2606 scp->term.num_param = 0;
2607 return;
2608
2609 case 'M': /* Move cursor up 1 line, scroll if at top */
2610 if (scp->ypos > 0)
2611 move_crsr(scp, scp->xpos, scp->ypos - 1);
2612 else {
2613 bcopy(scp->scr_buf, scp->scr_buf + scp->xsize,
2614 (scp->ysize - 1) * scp->xsize * sizeof(u_short));
2615 fillw(scp->term.cur_color | scr_map[0x20],
2616 scp->scr_buf, scp->xsize);
2617 mark_all(scp);
2618 }
2619 break;
2620 #if notyet
2621 case 'Q':
2622 scp->term.esc = 4;
2623 return;
2624 #endif
2625 case 'c': /* Clear screen & home */
2626 clear_screen(scp);
2627 break;
2628
2629 case '(': /* iso-2022: designate 94 character set to G0 */
2630 scp->term.esc = 5;
2631 return;
2632 }
2633 }
2634 else if (scp->term.esc == 2) { /* seen ESC [ */
2635 if (c >= '' && c <= '9') {
2636 if (scp->term.num_param < MAX_ESC_PAR) {
2637 if (scp->term.last_param != scp->term.num_param) {
2638 scp->term.last_param = scp->term.num_param;
2639 scp->term.param[scp->term.num_param] = 0;
2640 }
2641 else
2642 scp->term.param[scp->term.num_param] *= 10;
2643 scp->term.param[scp->term.num_param] += c - '';
2644 return;
2645 }
2646 }
2647 scp->term.num_param = scp->term.last_param + 1;
2648 switch (c) {
2649
2650 case ';':
2651 if (scp->term.num_param < MAX_ESC_PAR)
2652 return;
2653 break;
2654
2655 case '=':
2656 scp->term.esc = 3;
2657 scp->term.last_param = -1;
2658 for (i = scp->term.num_param; i < MAX_ESC_PAR; i++)
2659 scp->term.param[i] = 1;
2660 scp->term.num_param = 0;
2661 return;
2662
2663 case 'A': /* up n rows */
2664 n = scp->term.param[0]; if (n < 1) n = 1;
2665 move_crsr(scp, scp->xpos, scp->ypos - n);
2666 break;
2667
2668 case 'B': /* down n rows */
2669 n = scp->term.param[0]; if (n < 1) n = 1;
2670 move_crsr(scp, scp->xpos, scp->ypos + n);
2671 break;
2672
2673 case 'C': /* right n columns */
2674 n = scp->term.param[0]; if (n < 1) n = 1;
2675 move_crsr(scp, scp->xpos + n, scp->ypos);
2676 break;
2677
2678 case 'D': /* left n columns */
2679 n = scp->term.param[0]; if (n < 1) n = 1;
2680 move_crsr(scp, scp->xpos - n, scp->ypos);
2681 break;
2682
2683 case 'E': /* cursor to start of line n lines down */
2684 n = scp->term.param[0]; if (n < 1) n = 1;
2685 move_crsr(scp, 0, scp->ypos + n);
2686 break;
2687
2688 case 'F': /* cursor to start of line n lines up */
2689 n = scp->term.param[0]; if (n < 1) n = 1;
2690 move_crsr(scp, 0, scp->ypos - n);
2691 break;
2692
2693 case 'f': /* Cursor move */
2694 case 'H':
2695 if (scp->term.num_param == 0)
2696 move_crsr(scp, 0, 0);
2697 else if (scp->term.num_param == 2)
2698 move_crsr(scp, scp->term.param[1] - 1, scp->term.param[0] - 1);
2699 break;
2700
2701 case 'J': /* Clear all or part of display */
2702 if (scp->term.num_param == 0)
2703 n = 0;
2704 else
2705 n = scp->term.param[0];
2706 switch (n) {
2707 case 0: /* clear form cursor to end of display */
2708 fillw(scp->term.cur_color | scr_map[0x20],
2709 scp->cursor_pos,
2710 scp->scr_buf + scp->xsize * scp->ysize - scp->cursor_pos);
2711 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2712 mark_for_update(scp, scp->xsize * scp->ysize);
2713 remove_cutmarking(scp);
2714 break;
2715 case 1: /* clear from beginning of display to cursor */
2716 fillw(scp->term.cur_color | scr_map[0x20],
2717 scp->scr_buf,
2718 scp->cursor_pos - scp->scr_buf);
2719 mark_for_update(scp, 0);
2720 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2721 remove_cutmarking(scp);
2722 break;
2723 case 2: /* clear entire display */
2724 fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf,
2725 scp->xsize * scp->ysize);
2726 mark_all(scp);
2727 remove_cutmarking(scp);
2728 break;
2729 }
2730 break;
2731
2732 case 'K': /* Clear all or part of line */
2733 if (scp->term.num_param == 0)
2734 n = 0;
2735 else
2736 n = scp->term.param[0];
2737 switch (n) {
2738 case 0: /* clear form cursor to end of line */
2739 fillw(scp->term.cur_color | scr_map[0x20],
2740 scp->cursor_pos,
2741 scp->xsize - scp->xpos);
2742 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2743 mark_for_update(scp, scp->cursor_pos - scp->scr_buf +
2744 scp->xsize - scp->xpos);
2745 break;
2746 case 1: /* clear from beginning of line to cursor */
2747 fillw(scp->term.cur_color | scr_map[0x20],
2748 scp->cursor_pos - scp->xpos,
2749 scp->xpos + 1);
2750 mark_for_update(scp, scp->ypos * scp->xsize);
2751 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2752 break;
2753 case 2: /* clear entire line */
2754 fillw(scp->term.cur_color | scr_map[0x20],
2755 scp->cursor_pos - scp->xpos,
2756 scp->xsize);
2757 mark_for_update(scp, scp->ypos * scp->xsize);
2758 mark_for_update(scp, (scp->ypos + 1) * scp->xsize);
2759 break;
2760 }
2761 break;
2762
2763 case 'L': /* Insert n lines */
2764 n = scp->term.param[0]; if (n < 1) n = 1;
2765 if (n > scp->ysize - scp->ypos)
2766 n = scp->ysize - scp->ypos;
2767 src = scp->scr_buf + scp->ypos * scp->xsize;
2768 dst = src + n * scp->xsize;
2769 count = scp->ysize - (scp->ypos + n);
2770 bcopy(src, dst, count * scp->xsize * sizeof(u_short));
2771 fillw(scp->term.cur_color | scr_map[0x20], src,
2772 n * scp->xsize);
2773 mark_for_update(scp, scp->ypos * scp->xsize);
2774 mark_for_update(scp, scp->xsize * scp->ysize);
2775 break;
2776
2777 case 'M': /* Delete n lines */
2778 n = scp->term.param[0]; if (n < 1) n = 1;
2779 if (n > scp->ysize - scp->ypos)
2780 n = scp->ysize - scp->ypos;
2781 dst = scp->scr_buf + scp->ypos * scp->xsize;
2782 src = dst + n * scp->xsize;
2783 count = scp->ysize - (scp->ypos + n);
2784 bcopy(src, dst, count * scp->xsize * sizeof(u_short));
2785 src = dst + count * scp->xsize;
2786 fillw(scp->term.cur_color | scr_map[0x20], src,
2787 n * scp->xsize);
2788 mark_for_update(scp, scp->ypos * scp->xsize);
2789 mark_for_update(scp, scp->xsize * scp->ysize);
2790 break;
2791
2792 case 'P': /* Delete n chars */
2793 n = scp->term.param[0]; if (n < 1) n = 1;
2794 if (n > scp->xsize - scp->xpos)
2795 n = scp->xsize - scp->xpos;
2796 dst = scp->cursor_pos;
2797 src = dst + n;
2798 count = scp->xsize - (scp->xpos + n);
2799 bcopy(src, dst, count * sizeof(u_short));
2800 src = dst + count;
2801 fillw(scp->term.cur_color | scr_map[0x20], src, n);
2802 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2803 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
2804 break;
2805
2806 case '@': /* Insert n chars */
2807 n = scp->term.param[0]; if (n < 1) n = 1;
2808 if (n > scp->xsize - scp->xpos)
2809 n = scp->xsize - scp->xpos;
2810 src = scp->cursor_pos;
2811 dst = src + n;
2812 count = scp->xsize - (scp->xpos + n);
2813 bcopy(src, dst, count * sizeof(u_short));
2814 fillw(scp->term.cur_color | scr_map[0x20], src, n);
2815 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2816 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n + count);
2817 break;
2818
2819 case 'S': /* scroll up n lines */
2820 n = scp->term.param[0]; if (n < 1) n = 1;
2821 if (n > scp->ysize)
2822 n = scp->ysize;
2823 bcopy(scp->scr_buf + (scp->xsize * n),
2824 scp->scr_buf,
2825 scp->xsize * (scp->ysize - n) * sizeof(u_short));
2826 fillw(scp->term.cur_color | scr_map[0x20],
2827 scp->scr_buf + scp->xsize * (scp->ysize - n),
2828 scp->xsize * n);
2829 mark_all(scp);
2830 break;
2831
2832 case 'T': /* scroll down n lines */
2833 n = scp->term.param[0]; if (n < 1) n = 1;
2834 if (n > scp->ysize)
2835 n = scp->ysize;
2836 bcopy(scp->scr_buf,
2837 scp->scr_buf + (scp->xsize * n),
2838 scp->xsize * (scp->ysize - n) *
2839 sizeof(u_short));
2840 fillw(scp->term.cur_color | scr_map[0x20],
2841 scp->scr_buf, scp->xsize * n);
2842 mark_all(scp);
2843 break;
2844
2845 case 'X': /* erase n characters in line */
2846 n = scp->term.param[0]; if (n < 1) n = 1;
2847 if (n > scp->xsize - scp->xpos)
2848 n = scp->xsize - scp->xpos;
2849 fillw(scp->term.cur_color | scr_map[0x20],
2850 scp->cursor_pos, n);
2851 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
2852 mark_for_update(scp, scp->cursor_pos - scp->scr_buf + n);
2853 break;
2854
2855 case 'Z': /* move n tabs backwards */
2856 n = scp->term.param[0]; if (n < 1) n = 1;
2857 if ((i = scp->xpos & 0xf8) == scp->xpos)
2858 i -= 8*n;
2859 else
2860 i -= 8*(n-1);
2861 if (i < 0)
2862 i = 0;
2863 move_crsr(scp, i, scp->ypos);
2864 break;
2865
2866 case '`': /* move cursor to column n */
2867 n = scp->term.param[0]; if (n < 1) n = 1;
2868 move_crsr(scp, n - 1, scp->ypos);
2869 break;
2870
2871 case 'a': /* move cursor n columns to the right */
2872 n = scp->term.param[0]; if (n < 1) n = 1;
2873 move_crsr(scp, scp->xpos + n, scp->ypos);
2874 break;
2875
2876 case 'd': /* move cursor to row n */
2877 n = scp->term.param[0]; if (n < 1) n = 1;
2878 move_crsr(scp, scp->xpos, n - 1);
2879 break;
2880
2881 case 'e': /* move cursor n rows down */
2882 n = scp->term.param[0]; if (n < 1) n = 1;
2883 move_crsr(scp, scp->xpos, scp->ypos + n);
2884 break;
2885
2886 case 'm': /* change attribute */
2887 if (scp->term.num_param == 0) {
2888 scp->term.attr_mask = NORMAL_ATTR;
2889 scp->term.cur_attr =
2890 scp->term.cur_color = scp->term.std_color;
2891 break;
2892 }
2893 for (i = 0; i < scp->term.num_param; i++) {
2894 switch (n = scp->term.param[i]) {
2895 case 0: /* back to normal */
2896 scp->term.attr_mask = NORMAL_ATTR;
2897 scp->term.cur_attr =
2898 scp->term.cur_color = scp->term.std_color;
2899 break;
2900 case 1: /* bold */
2901 scp->term.attr_mask |= BOLD_ATTR;
2902 scp->term.cur_attr = mask2attr(&scp->term);
2903 break;
2904 case 4: /* underline */
2905 scp->term.attr_mask |= UNDERLINE_ATTR;
2906 scp->term.cur_attr = mask2attr(&scp->term);
2907 break;
2908 case 5: /* blink */
2909 scp->term.attr_mask |= BLINK_ATTR;
2910 scp->term.cur_attr = mask2attr(&scp->term);
2911 break;
2912 case 7: /* reverse video */
2913 scp->term.attr_mask |= REVERSE_ATTR;
2914 scp->term.cur_attr = mask2attr(&scp->term);
2915 break;
2916 case 30: case 31: /* set fg color */
2917 case 32: case 33: case 34:
2918 case 35: case 36: case 37:
2919 scp->term.attr_mask |= FOREGROUND_CHANGED;
2920 scp->term.cur_color =
2921 (scp->term.cur_color&0xF000) | (ansi_col[(n-30)&7]<<8);
2922 scp->term.cur_attr = mask2attr(&scp->term);
2923 break;
2924 case 40: case 41: /* set bg color */
2925 case 42: case 43: case 44:
2926 case 45: case 46: case 47:
2927 scp->term.attr_mask |= BACKGROUND_CHANGED;
2928 scp->term.cur_color =
2929 (scp->term.cur_color&0x0F00) | (ansi_col[(n-40)&7]<<12);
2930 scp->term.cur_attr = mask2attr(&scp->term);
2931 break;
2932 }
2933 }
2934 break;
2935
2936 case 's': /* Save cursor position */
2937 scp->saved_xpos = scp->xpos;
2938 scp->saved_ypos = scp->ypos;
2939 break;
2940
2941 case 'u': /* Restore saved cursor position */
2942 if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0)
2943 move_crsr(scp, scp->saved_xpos, scp->saved_ypos);
2944 break;
2945
2946 case 'x':
2947 if (scp->term.num_param == 0)
2948 n = 0;
2949 else
2950 n = scp->term.param[0];
2951 switch (n) {
2952 case 0: /* reset attributes */
2953 scp->term.attr_mask = NORMAL_ATTR;
2954 scp->term.cur_attr =
2955 scp->term.cur_color = scp->term.std_color =
2956 current_default->std_color;
2957 scp->term.rev_color = current_default->rev_color;
2958 break;
2959 case 1: /* set ansi background */
2960 scp->term.attr_mask &= ~BACKGROUND_CHANGED;
2961 scp->term.cur_color = scp->term.std_color =
2962 (scp->term.std_color & 0x0F00) |
2963 (ansi_col[(scp->term.param[1])&0x0F]<<12);
2964 scp->term.cur_attr = mask2attr(&scp->term);
2965 break;
2966 case 2: /* set ansi foreground */
2967 scp->term.attr_mask &= ~FOREGROUND_CHANGED;
2968 scp->term.cur_color = scp->term.std_color =
2969 (scp->term.std_color & 0xF000) |
2970 (ansi_col[(scp->term.param[1])&0x0F]<<8);
2971 scp->term.cur_attr = mask2attr(&scp->term);
2972 break;
2973 case 3: /* set ansi attribute directly */
2974 scp->term.attr_mask &= ~(FOREGROUND_CHANGED|BACKGROUND_CHANGED);
2975 scp->term.cur_color = scp->term.std_color =
2976 (scp->term.param[1]&0xFF)<<8;
2977 scp->term.cur_attr = mask2attr(&scp->term);
2978 break;
2979 case 5: /* set ansi reverse video background */
2980 scp->term.rev_color =
2981 (scp->term.rev_color & 0x0F00) |
2982 (ansi_col[(scp->term.param[1])&0x0F]<<12);
2983 scp->term.cur_attr = mask2attr(&scp->term);
2984 break;
2985 case 6: /* set ansi reverse video foreground */
2986 scp->term.rev_color =
2987 (scp->term.rev_color & 0xF000) |
2988 (ansi_col[(scp->term.param[1])&0x0F]<<8);
2989 scp->term.cur_attr = mask2attr(&scp->term);
2990 break;
2991 case 7: /* set ansi reverse video directly */
2992 scp->term.rev_color =
2993 (scp->term.param[1]&0xFF)<<8;
2994 scp->term.cur_attr = mask2attr(&scp->term);
2995 break;
2996 }
2997 break;
2998
2999 case 'z': /* switch to (virtual) console n */
3000 if (scp->term.num_param == 1)
3001 switch_scr(scp, scp->term.param[0]);
3002 break;
3003 }
3004 }
3005 else if (scp->term.esc == 3) { /* seen ESC [0-9]+ = */
3006 if (c >= '' && c <= '9') {
3007 if (scp->term.num_param < MAX_ESC_PAR) {
3008 if (scp->term.last_param != scp->term.num_param) {
3009 scp->term.last_param = scp->term.num_param;
3010 scp->term.param[scp->term.num_param] = 0;
3011 }
3012 else
3013 scp->term.param[scp->term.num_param] *= 10;
3014 scp->term.param[scp->term.num_param] += c - '';
3015 return;
3016 }
3017 }
3018 scp->term.num_param = scp->term.last_param + 1;
3019 switch (c) {
3020
3021 case ';':
3022 if (scp->term.num_param < MAX_ESC_PAR)
3023 return;
3024 break;
3025
3026 case 'A': /* set display border color */
3027 if (scp->term.num_param == 1) {
3028 scp->border=scp->term.param[0] & 0xff;
3029 if (scp == cur_console)
3030 set_border(scp->border);
3031 }
3032 break;
3033
3034 case 'B': /* set bell pitch and duration */
3035 if (scp->term.num_param == 2) {
3036 scp->bell_pitch = scp->term.param[0];
3037 scp->bell_duration = scp->term.param[1];
3038 }
3039 break;
3040
3041 case 'C': /* set cursor type & shape */
3042 if (scp->term.num_param == 1) {
3043 if (scp->term.param[0] & 0x01)
3044 flags |= BLINK_CURSOR;
3045 else
3046 flags &= ~BLINK_CURSOR;
3047 if ((scp->term.param[0] & 0x02) && crtc_vga)
3048 flags |= CHAR_CURSOR;
3049 else
3050 flags &= ~CHAR_CURSOR;
3051 }
3052 else if (scp->term.num_param == 2) {
3053 scp->cursor_start = scp->term.param[0] & 0x1F;
3054 scp->cursor_end = scp->term.param[1] & 0x1F;
3055 }
3056 /*
3057 * The cursor shape is global property; all virtual consoles
3058 * are affected. Update the cursor in the current console...
3059 */
3060 if (!(cur_console->status & UNKNOWN_MODE)) {
3061 i = spltty();
3062 remove_cursor_image(cur_console);
3063 if (crtc_vga && (flags & CHAR_CURSOR))
3064 set_destructive_cursor(cur_console);
3065 draw_cursor_image(cur_console);
3066 splx(i);
3067 }
3068 break;
3069
3070 case 'F': /* set ansi foreground */
3071 if (scp->term.num_param == 1) {
3072 scp->term.attr_mask &= ~FOREGROUND_CHANGED;
3073 scp->term.cur_color = scp->term.std_color =
3074 (scp->term.std_color & 0xF000)
3075 | ((scp->term.param[0] & 0x0F) << 8);
3076 scp->term.cur_attr = mask2attr(&scp->term);
3077 }
3078 break;
3079
3080 case 'G': /* set ansi background */
3081 if (scp->term.num_param == 1) {
3082 scp->term.attr_mask &= ~BACKGROUND_CHANGED;
3083 scp->term.cur_color = scp->term.std_color =
3084 (scp->term.std_color & 0x0F00)
3085 | ((scp->term.param[0] & 0x0F) << 12);
3086 scp->term.cur_attr = mask2attr(&scp->term);
3087 }
3088 break;
3089
3090 case 'H': /* set ansi reverse video foreground */
3091 if (scp->term.num_param == 1) {
3092 scp->term.rev_color =
3093 (scp->term.rev_color & 0xF000)
3094 | ((scp->term.param[0] & 0x0F) << 8);
3095 scp->term.cur_attr = mask2attr(&scp->term);
3096 }
3097 break;
3098
3099 case 'I': /* set ansi reverse video background */
3100 if (scp->term.num_param == 1) {
3101 scp->term.rev_color =
3102 (scp->term.rev_color & 0x0F00)
3103 | ((scp->term.param[0] & 0x0F) << 12);
3104 scp->term.cur_attr = mask2attr(&scp->term);
3105 }
3106 break;
3107 }
3108 }
3109 #if notyet
3110 else if (scp->term.esc == 4) { /* seen ESC Q */
3111 /* to be filled */
3112 }
3113 #endif
3114 else if (scp->term.esc == 5) { /* seen ESC ( */
3115 switch (c) {
3116 case 'B': /* iso-2022: desginate ASCII into G0 */
3117 break;
3118 /* other items to be filled */
3119 default:
3120 break;
3121 }
3122 }
3123 scp->term.esc = 0;
3124 }
3125
3126 static void
3127 ansi_put(scr_stat *scp, u_char *buf, int len)
3128 {
3129 u_char *ptr = buf;
3130
3131 /* make screensaver happy */
3132 if (scp == cur_console)
3133 scrn_time_stamp = mono_time.tv_sec;
3134
3135 write_in_progress++;
3136 outloop:
3137 if (scp->term.esc) {
3138 scan_esc(scp, *ptr++);
3139 len--;
3140 }
3141 else if (PRINTABLE(*ptr)) { /* Print only printables */
3142 int cnt = len <= (scp->xsize-scp->xpos) ? len : (scp->xsize-scp->xpos);
3143 u_short cur_attr = scp->term.cur_attr;
3144 u_short *cursor_pos = scp->cursor_pos;
3145 do {
3146 /*
3147 * gcc-2.6.3 generates poor (un)sign extension code. Casting the
3148 * pointers in the following to volatile should have no effect,
3149 * but in fact speeds up this inner loop from 26 to 18 cycles
3150 * (+ cache misses) on i486's.
3151 */
3152 #define UCVP(ucp) ((u_char volatile *)(ucp))
3153 *cursor_pos++ = UCVP(scr_map)[*UCVP(ptr)] | cur_attr;
3154 ptr++;
3155 cnt--;
3156 } while (cnt && PRINTABLE(*ptr));
3157 len -= (cursor_pos - scp->cursor_pos);
3158 scp->xpos += (cursor_pos - scp->cursor_pos);
3159 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3160 mark_for_update(scp, cursor_pos - scp->scr_buf);
3161 scp->cursor_pos = cursor_pos;
3162 if (scp->xpos >= scp->xsize) {
3163 scp->xpos = 0;
3164 scp->ypos++;
3165 }
3166 }
3167 else {
3168 switch(*ptr) {
3169 case 0x07:
3170 do_bell(scp, scp->bell_pitch, scp->bell_duration);
3171 break;
3172
3173 case 0x08: /* non-destructive backspace */
3174 if (scp->cursor_pos > scp->scr_buf) {
3175 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3176 scp->cursor_pos--;
3177 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3178 if (scp->xpos > 0)
3179 scp->xpos--;
3180 else {
3181 scp->xpos += scp->xsize - 1;
3182 scp->ypos--;
3183 }
3184 }
3185 break;
3186
3187 case 0x09: /* non-destructive tab */
3188 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3189 scp->cursor_pos += (8 - scp->xpos % 8u);
3190 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3191 if ((scp->xpos += (8 - scp->xpos % 8u)) >= scp->xsize) {
3192 scp->xpos = 0;
3193 scp->ypos++;
3194 }
3195 break;
3196
3197 case 0x0a: /* newline, same pos */
3198 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3199 scp->cursor_pos += scp->xsize;
3200 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3201 scp->ypos++;
3202 break;
3203
3204 case 0x0c: /* form feed, clears screen */
3205 clear_screen(scp);
3206 break;
3207
3208 case 0x0d: /* return, return to pos 0 */
3209 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3210 scp->cursor_pos -= scp->xpos;
3211 mark_for_update(scp, scp->cursor_pos - scp->scr_buf);
3212 scp->xpos = 0;
3213 break;
3214
3215 case 0x1b: /* start escape sequence */
3216 scp->term.esc = 1;
3217 scp->term.num_param = 0;
3218 break;
3219 }
3220 ptr++; len--;
3221 }
3222 /* do we have to scroll ?? */
3223 if (scp->cursor_pos >= scp->scr_buf + scp->ysize * scp->xsize) {
3224 remove_cutmarking(scp);
3225 if (scp->history) {
3226 bcopy(scp->scr_buf, scp->history_head,
3227 scp->xsize * sizeof(u_short));
3228 scp->history_head += scp->xsize;
3229 if (scp->history_head + scp->xsize >
3230 scp->history + scp->history_size)
3231 scp->history_head = scp->history;
3232 }
3233 bcopy(scp->scr_buf + scp->xsize, scp->scr_buf,
3234 scp->xsize * (scp->ysize - 1) * sizeof(u_short));
3235 fillw(scp->term.cur_color | scr_map[0x20],
3236 scp->scr_buf + scp->xsize * (scp->ysize - 1),
3237 scp->xsize);
3238 scp->cursor_pos -= scp->xsize;
3239 scp->ypos--;
3240 mark_all(scp);
3241 }
3242 if (len)
3243 goto outloop;
3244 write_in_progress--;
3245 if (delayed_next_scr)
3246 switch_scr(scp, delayed_next_scr - 1);
3247 }
3248
3249 static void
3250 scinit(void)
3251 {
3252 u_int hw_cursor;
3253 u_int i;
3254
3255 if (init_done != COLD)
3256 return;
3257 init_done = WARM;
3258
3259 /*
3260 * Ensure a zero start address. This is mainly to recover after
3261 * switching from pcvt using userconfig(). The registers are w/o
3262 * for old hardware so it's too hard to relocate the active screen
3263 * memory.
3264 */
3265 outb(crtc_addr, 12);
3266 outb(crtc_addr + 1, 0);
3267 outb(crtc_addr, 13);
3268 outb(crtc_addr + 1, 0);
3269
3270 /* extract cursor location */
3271 outb(crtc_addr, 14);
3272 hw_cursor = inb(crtc_addr + 1) << 8;
3273 outb(crtc_addr, 15);
3274 hw_cursor |= inb(crtc_addr + 1);
3275
3276 /*
3277 * Validate cursor location. It may be off the screen. Then we must
3278 * not use it for the initial buffer offset.
3279 */
3280 if (hw_cursor >= ROW * COL)
3281 hw_cursor = (ROW - 1) * COL;
3282
3283 /* move hardware cursor out of the way */
3284 outb(crtc_addr, 14);
3285 outb(crtc_addr + 1, 0xff);
3286 outb(crtc_addr, 15);
3287 outb(crtc_addr + 1, 0xff);
3288
3289 /* set up the first console */
3290 current_default = &user_default;
3291 console[0] = &main_console;
3292 init_scp(console[0]);
3293 cur_console = console[0];
3294
3295 /* discard the video mode table if we are not familiar with it... */
3296 if (video_mode_ptr) {
3297 bzero(mode_map, sizeof(mode_map));
3298 bcopy(video_mode_ptr + MODE_PARAM_SIZE*console[0]->mode,
3299 vgaregs2, sizeof(vgaregs2));
3300 switch (comp_vgaregs(vgaregs, video_mode_ptr
3301 + MODE_PARAM_SIZE*console[0]->mode)) {
3302 case COMP_IDENTICAL:
3303 map_mode_table(mode_map, video_mode_ptr, M_VGA_CG320 + 1);
3304 /*
3305 * This is a kludge for Toshiba DynaBook SS433 whose BIOS video
3306 * mode table entry has the actual # of rows at the offset 1;
3307 * BIOSes from other manufacturers store the # of rows - 1 there.
3308 * XXX
3309 */
3310 rows_offset = vgaregs[1] + 1
3311 - video_mode_ptr[MODE_PARAM_SIZE*console[0]->mode + 1];
3312 break;
3313 case COMP_SIMILAR:
3314 map_mode_table(mode_map, video_mode_ptr, M_VGA_CG320 + 1);
3315 mode_map[console[0]->mode] = vgaregs;
3316 rows_offset = vgaregs[1] + 1
3317 - video_mode_ptr[MODE_PARAM_SIZE*console[0]->mode + 1];
3318 vgaregs[1] -= rows_offset - 1;
3319 break;
3320 case COMP_DIFFERENT:
3321 default:
3322 video_mode_ptr = NULL;
3323 mode_map[console[0]->mode] = vgaregs;
3324 rows_offset = 1;
3325 break;
3326 }
3327 }
3328
3329 /* copy screen to temporary buffer */
3330 sc_bcopy(Crtat, sc_buffer,
3331 console[0]->xsize * console[0]->ysize * sizeof(u_short));
3332
3333 console[0]->scr_buf = console[0]->mouse_pos = console[0]->mouse_oldpos
3334 = sc_buffer;
3335 console[0]->cursor_pos = console[0]->cursor_oldpos = sc_buffer + hw_cursor;
3336 console[0]->cursor_saveunder = *console[0]->cursor_pos;
3337 console[0]->xpos = hw_cursor % COL;
3338 console[0]->ypos = hw_cursor / COL;
3339 for (i=1; i<MAXCONS; i++)
3340 console[i] = NULL;
3341 kernel_console.esc = 0;
3342 kernel_console.attr_mask = NORMAL_ATTR;
3343 kernel_console.cur_attr =
3344 kernel_console.cur_color = kernel_console.std_color =
3345 kernel_default.std_color;
3346 kernel_console.rev_color = kernel_default.rev_color;
3347
3348 /* initialize mapscrn arrays to a one to one map */
3349 for (i=0; i<sizeof(scr_map); i++) {
3350 scr_map[i] = scr_rmap[i] = i;
3351 }
3352
3353 /* Save font and palette if VGA */
3354 if (crtc_vga) {
3355 copy_font(SAVE, FONT_16, font_16);
3356 fonts_loaded = FONT_16;
3357 save_palette();
3358 set_destructive_cursor(console[0]);
3359 }
3360
3361 #ifdef SC_SPLASH_SCREEN
3362 /*
3363 * Now put up a graphics image, and maybe cycle a
3364 * couble of palette entries for simple animation.
3365 */
3366 toggle_splash_screen(cur_console);
3367 #endif
3368 }
3369
3370 static void
3371 scshutdown(int howto, void *arg)
3372 {
3373 scrn_time_stamp = mono_time.tv_sec;
3374 if (!cold && cur_console->smode.mode == VT_AUTO
3375 && console[0]->smode.mode == VT_AUTO)
3376 switch_scr(cur_console, 0);
3377 shutdown_in_progress = TRUE;
3378 }
3379
3380 static void
3381 map_mode_table(char *map[], char *table, int max)
3382 {
3383 int i;
3384
3385 for(i = 0; i < max; ++i)
3386 map[i] = table + i*MODE_PARAM_SIZE;
3387 for(; i < MODE_MAP_SIZE; ++i)
3388 map[i] = NULL;
3389 }
3390
3391 static u_char
3392 map_mode_num(u_char mode)
3393 {
3394 static struct {
3395 u_char from;
3396 u_char to;
3397 } mode_map[] = {
3398 { M_ENH_B80x43, M_ENH_B80x25 },
3399 { M_ENH_C80x43, M_ENH_C80x25 },
3400 { M_VGA_M80x30, M_VGA_M80x25 },
3401 { M_VGA_C80x30, M_VGA_C80x25 },
3402 { M_VGA_M80x50, M_VGA_M80x25 },
3403 { M_VGA_C80x50, M_VGA_C80x25 },
3404 { M_VGA_M80x60, M_VGA_M80x25 },
3405 { M_VGA_C80x60, M_VGA_C80x25 },
3406 { M_VGA_MODEX, M_VGA_CG320 },
3407 };
3408 int i;
3409
3410 for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) {
3411 if (mode_map[i].from == mode)
3412 return mode_map[i].to;
3413 }
3414 return mode;
3415 }
3416
3417 static char
3418 *get_mode_param(scr_stat *scp, u_char mode)
3419 {
3420 if (mode >= MODE_MAP_SIZE)
3421 mode = map_mode_num(mode);
3422 if (mode < MODE_MAP_SIZE)
3423 return mode_map[mode];
3424 else
3425 return NULL;
3426 }
3427
3428 static scr_stat
3429 *alloc_scp()
3430 {
3431 scr_stat *scp;
3432
3433 scp = (scr_stat *)malloc(sizeof(scr_stat), M_DEVBUF, M_WAITOK);
3434 init_scp(scp);
3435 scp->scr_buf = scp->cursor_pos = scp->cursor_oldpos =
3436 (u_short *)malloc(scp->xsize*scp->ysize*sizeof(u_short),
3437 M_DEVBUF, M_WAITOK);
3438 scp->mouse_pos = scp->mouse_oldpos =
3439 scp->scr_buf + ((scp->mouse_ypos/scp->font_size)*scp->xsize +
3440 scp->mouse_xpos/8);
3441 scp->history_head = scp->history_pos =
3442 (u_short *)malloc(scp->history_size*sizeof(u_short),
3443 M_DEVBUF, M_WAITOK);
3444 bzero(scp->history_head, scp->history_size*sizeof(u_short));
3445 scp->history = scp->history_head;
3446 /* SOS
3447 if (crtc_vga && video_mode_ptr)
3448 set_mode(scp);
3449 */
3450 clear_screen(scp);
3451 scp->cursor_saveunder = *scp->cursor_pos;
3452 return scp;
3453 }
3454
3455 static void
3456 init_scp(scr_stat *scp)
3457 {
3458 switch(crtc_type) {
3459 case KD_VGA:
3460 if (crtc_addr == MONO_BASE)
3461 scp->mode = M_VGA_M80x25;
3462 else
3463 scp->mode = M_VGA_C80x25;
3464 scp->font_size = 16;
3465 break;
3466 case KD_CGA:
3467 if (crtc_addr == MONO_BASE)
3468 scp->mode = M_B80x25;
3469 else
3470 scp->mode = M_C80x25;
3471 scp->font_size = 8;
3472 break;
3473 case KD_EGA:
3474 if (crtc_addr == MONO_BASE)
3475 scp->mode = M_B80x25;
3476 else
3477 scp->mode = M_C80x25;
3478 scp->font_size = 14;
3479 break;
3480 case KD_MONO:
3481 case KD_HERCULES:
3482 default:
3483 scp->mode = M_EGAMONO80x25;
3484 scp->font_size = 14;
3485 break;
3486 }
3487 scp->initial_mode = scp->mode;
3488
3489 scp->xsize = COL;
3490 scp->ysize = ROW;
3491 scp->xpixel = scp->xsize * 8;
3492 scp->ypixel = scp->ysize * scp->font_size;
3493 scp->xpos = scp->ypos = 0;
3494 scp->saved_xpos = scp->saved_ypos = -1;
3495 scp->start = scp->xsize * scp->ysize;
3496 scp->end = 0;
3497 scp->term.esc = 0;
3498 scp->term.attr_mask = NORMAL_ATTR;
3499 scp->term.cur_attr =
3500 scp->term.cur_color = scp->term.std_color =
3501 current_default->std_color;
3502 scp->term.rev_color = current_default->rev_color;
3503 scp->border = BG_BLACK;
3504 scp->cursor_start = *(char *)pa_to_va(0x461);
3505 scp->cursor_end = *(char *)pa_to_va(0x460);
3506 scp->mouse_xpos = scp->xsize*8/2;
3507 scp->mouse_ypos = scp->ysize*scp->font_size/2;
3508 scp->mouse_cut_start = scp->mouse_cut_end = NULL;
3509 scp->mouse_signal = 0;
3510 scp->mouse_pid = 0;
3511 scp->mouse_proc = NULL;
3512 scp->bell_pitch = BELL_PITCH;
3513 scp->bell_duration = BELL_DURATION;
3514 scp->status = (*(char *)pa_to_va(0x417) & 0x20) ? NLKED : 0;
3515 scp->status |= CURSOR_ENABLED;
3516 scp->pid = 0;
3517 scp->proc = NULL;
3518 scp->smode.mode = VT_AUTO;
3519 scp->history_head = scp->history_pos = scp->history = NULL;
3520 scp->history_size = imax(SC_HISTORY_SIZE, scp->ysize) * scp->xsize;
3521 }
3522
3523 static u_char
3524 *get_fstr(u_int c, u_int *len)
3525 {
3526 u_int i;
3527
3528 if (!(c & FKEY))
3529 return(NULL);
3530 i = (c & 0xFF) - F_FN;
3531 if (i > n_fkey_tab)
3532 return(NULL);
3533 *len = fkey_tab[i].len;
3534 return(fkey_tab[i].str);
3535 }
3536
3537 static void
3538 history_to_screen(scr_stat *scp)
3539 {
3540 int i;
3541
3542 for (i=0; i<scp->ysize; i++)
3543 bcopy(scp->history + (((scp->history_pos - scp->history) +
3544 scp->history_size-((i+1)*scp->xsize))%scp->history_size),
3545 scp->scr_buf + (scp->xsize * (scp->ysize-1 - i)),
3546 scp->xsize * sizeof(u_short));
3547 mark_all(scp);
3548 }
3549
3550 static int
3551 history_up_line(scr_stat *scp)
3552 {
3553 if (WRAPHIST(scp, scp->history_pos, -(scp->xsize*scp->ysize)) !=
3554 scp->history_head) {
3555 scp->history_pos = WRAPHIST(scp, scp->history_pos, -scp->xsize);
3556 history_to_screen(scp);
3557 return 0;
3558 }
3559 else
3560 return -1;
3561 }
3562
3563 static int
3564 history_down_line(scr_stat *scp)
3565 {
3566 if (scp->history_pos != scp->history_head) {
3567 scp->history_pos = WRAPHIST(scp, scp->history_pos, scp->xsize);
3568 history_to_screen(scp);
3569 return 0;
3570 }
3571 else
3572 return -1;
3573 }
3574
3575 /*
3576 * scgetc(flags) - get character from keyboard.
3577 * If flags & SCGETC_CN, then avoid harmful side effects.
3578 * If flags & SCGETC_NONBLOCK, then wait until a key is pressed, else
3579 * return NOKEY if there is nothing there.
3580 */
3581 static u_int
3582 scgetc(u_int flags)
3583 {
3584 struct key_t *key;
3585 u_char scancode, keycode;
3586 u_int state, action;
3587 int c;
3588 static u_char esc_flag = 0, compose = 0;
3589 static u_int chr = 0;
3590
3591 next_code:
3592 /* first see if there is something in the keyboard port */
3593 if (flags & SCGETC_NONBLOCK) {
3594 c = read_kbd_data_no_wait(sc_kbdc);
3595 if (c == -1)
3596 return(NOKEY);
3597 } else {
3598 do {
3599 c = read_kbd_data(sc_kbdc);
3600 } while(c == -1);
3601 }
3602 scancode = (u_char)c;
3603
3604 /* make screensaver happy */
3605 if (!(scancode & 0x80))
3606 scrn_time_stamp = mono_time.tv_sec;
3607
3608 if (!(flags & SCGETC_CN)) {
3609 /* do the /dev/random device a favour */
3610 add_keyboard_randomness(scancode);
3611
3612 if (cur_console->status & KBD_RAW_MODE)
3613 return scancode;
3614 }
3615
3616 keycode = scancode & 0x7F;
3617 switch (esc_flag) {
3618 case 0x00: /* normal scancode */
3619 switch(scancode) {
3620 case 0xB8: /* left alt (compose key) */
3621 if (compose) {
3622 compose = 0;
3623 if (chr > 255) {
3624 do_bell(cur_console,
3625 BELL_PITCH, BELL_DURATION);
3626 chr = 0;
3627 }
3628 }
3629 break;
3630 case 0x38:
3631 if (!compose) {
3632 compose = 1;
3633 chr = 0;
3634 }
3635 break;
3636 case 0xE0:
3637 case 0xE1:
3638 esc_flag = scancode;
3639 goto next_code;
3640 }
3641 break;
3642 case 0xE0: /* 0xE0 prefix */
3643 esc_flag = 0;
3644 switch (keycode) {
3645 case 0x1C: /* right enter key */
3646 keycode = 0x59;
3647 break;
3648 case 0x1D: /* right ctrl key */
3649 keycode = 0x5A;
3650 break;
3651 case 0x35: /* keypad divide key */
3652 keycode = 0x5B;
3653 break;
3654 case 0x37: /* print scrn key */
3655 keycode = 0x5C;
3656 break;
3657 case 0x38: /* right alt key (alt gr) */
3658 keycode = 0x5D;
3659 break;
3660 case 0x47: /* grey home key */
3661 keycode = 0x5E;
3662 break;
3663 case 0x48: /* grey up arrow key */
3664 keycode = 0x5F;
3665 break;
3666 case 0x49: /* grey page up key */
3667 keycode = 0x60;
3668 break;
3669 case 0x4B: /* grey left arrow key */
3670 keycode = 0x61;
3671 break;
3672 case 0x4D: /* grey right arrow key */
3673 keycode = 0x62;
3674 break;
3675 case 0x4F: /* grey end key */
3676 keycode = 0x63;
3677 break;
3678 case 0x50: /* grey down arrow key */
3679 keycode = 0x64;
3680 break;
3681 case 0x51: /* grey page down key */
3682 keycode = 0x65;
3683 break;
3684 case 0x52: /* grey insert key */
3685 keycode = 0x66;
3686 break;
3687 case 0x53: /* grey delete key */
3688 keycode = 0x67;
3689 break;
3690
3691 /* the following 3 are only used on the MS "Natural" keyboard */
3692 case 0x5b: /* left Window key */
3693 keycode = 0x69;
3694 break;
3695 case 0x5c: /* right Window key */
3696 keycode = 0x6a;
3697 break;
3698 case 0x5d: /* menu key */
3699 keycode = 0x6b;
3700 break;
3701 default: /* ignore everything else */
3702 goto next_code;
3703 }
3704 break;
3705 case 0xE1: /* 0xE1 prefix */
3706 esc_flag = 0;
3707 if (keycode == 0x1D)
3708 esc_flag = 0x1D;
3709 goto next_code;
3710 /* NOT REACHED */
3711 case 0x1D: /* pause / break */
3712 esc_flag = 0;
3713 if (keycode != 0x45)
3714 goto next_code;
3715 keycode = 0x68;
3716 break;
3717 }
3718
3719 if (!(flags & SCGETC_CN) && (cur_console->status & KBD_CODE_MODE))
3720 return (keycode | (scancode & 0x80));
3721
3722 /* if scroll-lock pressed allow history browsing */
3723 if (cur_console->history && cur_console->status & SLKED) {
3724 int i;
3725
3726 cur_console->status &= ~CURSOR_ENABLED;
3727 if (!(cur_console->status & BUFFER_SAVED)) {
3728 cur_console->status |= BUFFER_SAVED;
3729 cur_console->history_save = cur_console->history_head;
3730
3731 /* copy screen into top of history buffer */
3732 for (i=0; i<cur_console->ysize; i++) {
3733 bcopy(cur_console->scr_buf + (cur_console->xsize * i),
3734 cur_console->history_head,
3735 cur_console->xsize * sizeof(u_short));
3736 cur_console->history_head += cur_console->xsize;
3737 if (cur_console->history_head + cur_console->xsize >
3738 cur_console->history + cur_console->history_size)
3739 cur_console->history_head=cur_console->history;
3740 }
3741 cur_console->history_pos = cur_console->history_head;
3742 history_to_screen(cur_console);
3743 }
3744 switch (scancode) {
3745 case 0x47: /* home key */
3746 cur_console->history_pos = cur_console->history_head;
3747 history_to_screen(cur_console);
3748 goto next_code;
3749
3750 case 0x4F: /* end key */
3751 cur_console->history_pos =
3752 WRAPHIST(cur_console, cur_console->history_head,
3753 cur_console->xsize*cur_console->ysize);
3754 history_to_screen(cur_console);
3755 goto next_code;
3756
3757 case 0x48: /* up arrow key */
3758 if (history_up_line(cur_console))
3759 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
3760 goto next_code;
3761
3762 case 0x50: /* down arrow key */
3763 if (history_down_line(cur_console))
3764 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
3765 goto next_code;
3766
3767 case 0x49: /* page up key */
3768 for (i=0; i<cur_console->ysize; i++)
3769 if (history_up_line(cur_console)) {
3770 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
3771 break;
3772 }
3773 goto next_code;
3774
3775 case 0x51: /* page down key */
3776 for (i=0; i<cur_console->ysize; i++)
3777 if (history_down_line(cur_console)) {
3778 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
3779 break;
3780 }
3781 goto next_code;
3782 }
3783 }
3784
3785 if (compose) {
3786 switch (scancode) {
3787 /* key pressed process it */
3788 case 0x47: case 0x48: case 0x49: /* keypad 7,8,9 */
3789 chr = (scancode - 0x40) + chr*10;
3790 goto next_code;
3791 case 0x4B: case 0x4C: case 0x4D: /* keypad 4,5,6 */
3792 chr = (scancode - 0x47) + chr*10;
3793 goto next_code;
3794 case 0x4F: case 0x50: case 0x51: /* keypad 1,2,3 */
3795 chr = (scancode - 0x4E) + chr*10;
3796 goto next_code;
3797 case 0x52: /* keypad 0 */
3798 chr *= 10;
3799 goto next_code;
3800
3801 /* key release, no interest here */
3802 case 0xC7: case 0xC8: case 0xC9: /* keypad 7,8,9 */
3803 case 0xCB: case 0xCC: case 0xCD: /* keypad 4,5,6 */
3804 case 0xCF: case 0xD0: case 0xD1: /* keypad 1,2,3 */
3805 case 0xD2: /* keypad 0 */
3806 goto next_code;
3807
3808 case 0x38: /* left alt key */
3809 break;
3810 default:
3811 if (chr) {
3812 compose = chr = 0;
3813 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
3814 goto next_code;
3815 }
3816 break;
3817 }
3818 }
3819
3820 state = (shfts ? 1 : 0 ) | (2 * (ctls ? 1 : 0)) | (4 * (alts ? 1 : 0));
3821 if ((!agrs && (cur_console->status & ALKED))
3822 || (agrs && !(cur_console->status & ALKED)))
3823 keycode += ALTGR_OFFSET;
3824 key = &key_map.key[keycode];
3825 if ( ((key->flgs & FLAG_LOCK_C) && (cur_console->status & CLKED))
3826 || ((key->flgs & FLAG_LOCK_N) && (cur_console->status & NLKED)) )
3827 state ^= 1;
3828
3829 /* Check for make/break */
3830 action = key->map[state];
3831 if (scancode & 0x80) { /* key released */
3832 if (key->spcl & (0x80>>state)) {
3833 switch (action) {
3834 case LSH:
3835 shfts &= ~1;
3836 break;
3837 case RSH:
3838 shfts &= ~2;
3839 break;
3840 case LCTR:
3841 ctls &= ~1;
3842 break;
3843 case RCTR:
3844 ctls &= ~2;
3845 break;
3846 case LALT:
3847 alts &= ~1;
3848 break;
3849 case RALT:
3850 alts &= ~2;
3851 break;
3852 case NLK:
3853 nlkcnt = 0;
3854 break;
3855 case CLK:
3856 clkcnt = 0;
3857 break;
3858 case SLK:
3859 slkcnt = 0;
3860 break;
3861 case ASH:
3862 agrs = 0;
3863 break;
3864 case ALK:
3865 alkcnt = 0;
3866 break;
3867 case META:
3868 metas = 0;
3869 break;
3870 }
3871 }
3872 if (chr && !compose) {
3873 action = chr;
3874 chr = 0;
3875 return(action);
3876 }
3877 } else {
3878 /* key pressed */
3879 if (key->spcl & (0x80>>state)) {
3880 switch (action) {
3881 /* LOCKING KEYS */
3882 case NLK:
3883 #ifdef SC_SPLASH_SCREEN
3884 toggle_splash_screen(cur_console); /* SOS XXX */
3885 #endif
3886 if (!nlkcnt) {
3887 nlkcnt++;
3888 if (cur_console->status & NLKED)
3889 cur_console->status &= ~NLKED;
3890 else
3891 cur_console->status |= NLKED;
3892 update_leds(cur_console->status);
3893 }
3894 break;
3895 case CLK:
3896 if (!clkcnt) {
3897 clkcnt++;
3898 if (cur_console->status & CLKED)
3899 cur_console->status &= ~CLKED;
3900 else
3901 cur_console->status |= CLKED;
3902 update_leds(cur_console->status);
3903 }
3904 break;
3905 case SLK:
3906 if (!slkcnt) {
3907 slkcnt++;
3908 if (cur_console->status & SLKED) {
3909 cur_console->status &= ~SLKED;
3910 if (cur_console->status & BUFFER_SAVED){
3911 int i;
3912 u_short *ptr = cur_console->history_save;
3913
3914 for (i=0; i<cur_console->ysize; i++) {
3915 bcopy(ptr,
3916 cur_console->scr_buf +
3917 (cur_console->xsize*i),
3918 cur_console->xsize * sizeof(u_short));
3919 ptr += cur_console->xsize;
3920 if (ptr + cur_console->xsize >
3921 cur_console->history +
3922 cur_console->history_size)
3923 ptr = cur_console->history;
3924 }
3925 cur_console->status &= ~BUFFER_SAVED;
3926 cur_console->history_head=cur_console->history_save;
3927 cur_console->status |= CURSOR_ENABLED;
3928 mark_all(cur_console);
3929 }
3930 scstart(VIRTUAL_TTY(get_scr_num()));
3931 }
3932 else
3933 cur_console->status |= SLKED;
3934 update_leds(cur_console->status);
3935 }
3936 break;
3937 case ALK:
3938 if (!alkcnt) {
3939 alkcnt++;
3940 if (cur_console->status & ALKED)
3941 cur_console->status &= ~ALKED;
3942 else
3943 cur_console->status |= ALKED;
3944 update_leds(cur_console->status);
3945 }
3946 break;
3947
3948 /* NON-LOCKING KEYS */
3949 case NOP:
3950 break;
3951 case SPSC:
3952 #ifdef SC_SPLASH_SCREEN
3953 accents = 0;
3954 toggle_splash_screen(cur_console);
3955 #endif
3956 break;
3957 case RBT:
3958 #ifndef SC_DISABLE_REBOOT
3959 accents = 0;
3960 shutdown_nice();
3961 #endif
3962 break;
3963 case SUSP:
3964 #if NAPM > 0
3965 accents = 0;
3966 apm_suspend();
3967 #endif
3968 break;
3969
3970 case DBG:
3971 #ifdef DDB /* try to switch to console 0 */
3972 accents = 0;
3973 if (cur_console->smode.mode == VT_AUTO &&
3974 console[0]->smode.mode == VT_AUTO)
3975 switch_scr(cur_console, 0);
3976 Debugger("manual escape to debugger");
3977 #else
3978 printf("No debugger in kernel\n");
3979 #endif
3980 break;
3981 case LSH:
3982 shfts |= 1;
3983 break;
3984 case RSH:
3985 shfts |= 2;
3986 break;
3987 case LCTR:
3988 ctls |= 1;
3989 break;
3990 case RCTR:
3991 ctls |= 2;
3992 break;
3993 case LALT:
3994 alts |= 1;
3995 break;
3996 case RALT:
3997 alts |= 2;
3998 break;
3999 case ASH:
4000 agrs = 1;
4001 break;
4002 case META:
4003 metas = 1;
4004 break;
4005 case NEXT:
4006 {
4007 int next, this = get_scr_num();
4008 accents = 0;
4009 for (next = this+1; next != this; next = (next+1)%MAXCONS) {
4010 struct tty *tp = VIRTUAL_TTY(next);
4011 if (tp->t_state & TS_ISOPEN) {
4012 switch_scr(cur_console, next);
4013 break;
4014 }
4015 }
4016 }
4017 break;
4018 case BTAB:
4019 accents = 0;
4020 return(BKEY);
4021 default:
4022 if (action >= F_ACC && action <= L_ACC) {
4023 /* turn it into an index */
4024 action -= F_ACC - 1;
4025 if ((action > accent_map.n_accs)
4026 || (accent_map.acc[action - 1].accchar == 0)) {
4027 /*
4028 * The index is out of range or pointing to an
4029 * empty entry.
4030 */
4031 accents = 0;
4032 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
4033 }
4034 /*
4035 * If the same accent key has been hit twice,
4036 * produce the accent char itself.
4037 */
4038 if (action == accents) {
4039 action = accent_map.acc[accents - 1].accchar;
4040 accents = 0;
4041 if (metas)
4042 action |= MKEY;
4043 return (action);
4044 }
4045 /* remember the index and wait for the next key stroke */
4046 accents = action;
4047 break;
4048 }
4049 if (accents > 0) {
4050 accents = 0;
4051 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
4052 }
4053 if (action >= F_SCR && action <= L_SCR) {
4054 switch_scr(cur_console, action - F_SCR);
4055 break;
4056 }
4057 if (action >= F_FN && action <= L_FN)
4058 action |= FKEY;
4059 return(action);
4060 }
4061 }
4062 else {
4063 if (accents) {
4064 struct acc_t *acc;
4065 int i;
4066
4067 acc = &accent_map.acc[accents - 1];
4068 accents = 0;
4069 /*
4070 * If the accent key is followed by the space key,
4071 * produce the accent char itself.
4072 */
4073 if (action == ' ') {
4074 action = acc->accchar;
4075 if (metas)
4076 action |= MKEY;
4077 return (action);
4078 }
4079 for (i = 0; i < NUM_ACCENTCHARS; ++i) {
4080 if (acc->map[i][0] == 0) /* end of the map entry */
4081 break;
4082 if (acc->map[i][0] == action) {
4083 action = acc->map[i][1];
4084 if (metas)
4085 action |= MKEY;
4086 return (action);
4087 }
4088 }
4089 do_bell(cur_console, BELL_PITCH, BELL_DURATION);
4090 goto next_code;
4091 }
4092 if (metas)
4093 action |= MKEY;
4094 return(action);
4095 }
4096 }
4097 goto next_code;
4098 }
4099
4100 int
4101 scmmap(dev_t dev, vm_offset_t offset, int nprot)
4102 {
4103 if (offset > 0x20000 - PAGE_SIZE)
4104 return -1;
4105 return i386_btop((VIDEOMEM + offset));
4106 }
4107
4108 /*
4109 * Calculate hardware attributes word using logical attributes mask and
4110 * hardware colors
4111 */
4112
4113 static int
4114 mask2attr(struct term_stat *term)
4115 {
4116 int attr, mask = term->attr_mask;
4117
4118 if (mask & REVERSE_ATTR) {
4119 attr = ((mask & FOREGROUND_CHANGED) ?
4120 ((term->cur_color & 0xF000) >> 4) :
4121 (term->rev_color & 0x0F00)) |
4122 ((mask & BACKGROUND_CHANGED) ?
4123 ((term->cur_color & 0x0F00) << 4) :
4124 (term->rev_color & 0xF000));
4125 } else
4126 attr = term->cur_color;
4127
4128 /* XXX: underline mapping for Hercules adapter can be better */
4129 if (mask & (BOLD_ATTR | UNDERLINE_ATTR))
4130 attr ^= 0x0800;
4131 if (mask & BLINK_ATTR)
4132 attr ^= 0x8000;
4133
4134 return attr;
4135 }
4136
4137 static void
4138 set_keyboard(int command, int data)
4139 {
4140 int s;
4141
4142 if (sc_kbdc == NULL)
4143 return;
4144
4145 /* prevent the timeout routine from polling the keyboard */
4146 if (!kbdc_lock(sc_kbdc, TRUE))
4147 return;
4148
4149 /* disable the keyboard and mouse interrupt */
4150 s = spltty();
4151 #if 0
4152 c = get_controller_command_byte(sc_kbdc);
4153 if ((c == -1)
4154 || !set_controller_command_byte(sc_kbdc,
4155 kbdc_get_device_mask(sc_kbdc),
4156 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT
4157 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) {
4158 /* CONTROLLER ERROR */
4159 kbdc_lock(sc_kbdc, FALSE);
4160 splx(s);
4161 return;
4162 }
4163 /*
4164 * Now that the keyboard controller is told not to generate
4165 * the keyboard and mouse interrupts, call `splx()' to allow
4166 * the other tty interrupts. The clock interrupt may also occur,
4167 * but the timeout routine (`scrn_timer()') will be blocked
4168 * by the lock flag set via `kbdc_lock()'
4169 */
4170 splx(s);
4171 #endif
4172
4173 if (send_kbd_command_and_data(sc_kbdc, command, data) != KBD_ACK)
4174 send_kbd_command(sc_kbdc, KBDC_ENABLE_KBD);
4175
4176 #if 0
4177 /* restore the interrupts */
4178 if (!set_controller_command_byte(sc_kbdc,
4179 kbdc_get_device_mask(sc_kbdc),
4180 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) {
4181 /* CONTROLLER ERROR */
4182 }
4183 #else
4184 splx(s);
4185 #endif
4186 kbdc_lock(sc_kbdc, FALSE);
4187 }
4188
4189 static void
4190 update_leds(int which)
4191 {
4192 static u_char xlate_leds[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
4193
4194 /* replace CAPS led with ALTGR led for ALTGR keyboards */
4195 if (key_map.n_keys > ALTGR_OFFSET) {
4196 if (which & ALKED)
4197 which |= CLKED;
4198 else
4199 which &= ~CLKED;
4200 }
4201
4202 set_keyboard(KBDC_SET_LEDS, xlate_leds[which & LED_MASK]);
4203 }
4204
4205 void
4206 set_mode(scr_stat *scp)
4207 {
4208 char special_modetable[MODE_PARAM_SIZE];
4209 char *mp;
4210 int s;
4211 int i;
4212
4213 if (scp != cur_console)
4214 return;
4215
4216 /*
4217 * even if mode switching is disabled, we can change back
4218 * to the initial mode or the custom mode based on the initial
4219 * mode if we have saved register values upon start-up.
4220 */
4221 mp = get_mode_param(scp, scp->mode);
4222 if (mp == NULL)
4223 return;
4224 bcopy(mp, &special_modetable, sizeof(special_modetable));
4225
4226 /* setup video hardware for the given mode */
4227 switch (scp->mode) {
4228 case M_VGA_C80x60: case M_VGA_M80x60:
4229 special_modetable[2] = 0x08;
4230 special_modetable[19] = 0x47;
4231 goto special_480l;
4232
4233 case M_VGA_C80x30: case M_VGA_M80x30:
4234 special_modetable[19] = 0x4f;
4235 special_480l:
4236 special_modetable[9] |= 0xc0;
4237 special_modetable[16] = 0x08;
4238 special_modetable[17] = 0x3e;
4239 special_modetable[26] = 0xea;
4240 special_modetable[28] = 0xdf;
4241 special_modetable[31] = 0xe7;
4242 special_modetable[32] = 0x04;
4243 goto setup_mode;
4244
4245 case M_ENH_C80x43: case M_ENH_B80x43:
4246 special_modetable[28] = 87;
4247 goto special_80x50;
4248
4249 case M_VGA_C80x50: case M_VGA_M80x50:
4250 special_80x50:
4251 special_modetable[2] = 8;
4252 special_modetable[19] = 7;
4253 goto setup_mode;
4254
4255 case M_VGA_C40x25: case M_VGA_C80x25:
4256 case M_VGA_M80x25:
4257 case M_B40x25: case M_C40x25:
4258 case M_B80x25: case M_C80x25:
4259 case M_ENH_B40x25: case M_ENH_C40x25:
4260 case M_ENH_B80x25: case M_ENH_C80x25:
4261 case M_EGAMONO80x25:
4262
4263 setup_mode:
4264 set_vgaregs(special_modetable);
4265 scp->font_size = special_modetable[2];
4266
4267 /* set font type (size) */
4268 if (scp->font_size < 14) {
4269 if (fonts_loaded & FONT_8)
4270 copy_font(LOAD, FONT_8, font_8);
4271 i = 0x0a; /* font 2 */
4272 } else if (scp->font_size >= 16) {
4273 if (fonts_loaded & FONT_16)
4274 copy_font(LOAD, FONT_16, font_16);
4275 i = 0x00; /* font 0 */
4276 } else {
4277 if (fonts_loaded & FONT_14)
4278 copy_font(LOAD, FONT_14, font_14);
4279 i = 0x05; /* font 1 */
4280 }
4281 /*
4282 * FONT KLUDGE:
4283 * This is an interim kludge to display correct font.
4284 * Always use the font page #0 on the video plane 2.
4285 * Somehow we cannot show the font in other font pages on
4286 * some video cards... XXX
4287 */
4288 i = 0x00;
4289 s = splhigh();
4290 outb(TSIDX, 0x00); outb(TSREG, 0x01);
4291 outb(TSIDX, 0x03); outb(TSREG, i);
4292 outb(TSIDX, 0x00); outb(TSREG, 0x03);
4293 splx(s);
4294 if (flags & CHAR_CURSOR)
4295 set_destructive_cursor(scp);
4296 mark_all(scp);
4297 break;
4298
4299 case M_VGA_MODEX:
4300 /* "unchain" the VGA mode */
4301 special_modetable[5-1+0x04] &= 0xf7;
4302 special_modetable[5-1+0x04] |= 0x04;
4303 /* turn off doubleword mode */
4304 special_modetable[10+0x14] &= 0xbf;
4305 /* turn off word adressing */
4306 special_modetable[10+0x17] |= 0x40;
4307 /* set logical screen width */
4308 special_modetable[10+0x13] = 80;
4309 /* set 240 lines */
4310 special_modetable[10+0x11] = 0x2c;
4311 special_modetable[10+0x06] = 0x0d;
4312 special_modetable[10+0x07] = 0x3e;
4313 special_modetable[10+0x10] = 0xea;
4314 special_modetable[10+0x11] = 0xac;
4315 special_modetable[10+0x12] = 0xdf;
4316 special_modetable[10+0x15] = 0xe7;
4317 special_modetable[10+0x16] = 0x06;
4318 /* set vertical sync polarity to reflect aspect ratio */
4319 special_modetable[9] = 0xe3;
4320 goto setup_grmode;
4321
4322 case M_BG320: case M_CG320: case M_BG640:
4323 case M_CG320_D: case M_CG640_E:
4324 case M_CG640x350: case M_ENH_CG640:
4325 case M_BG640x480: case M_CG640x480: case M_VGA_CG320:
4326
4327 setup_grmode:
4328 set_vgaregs(special_modetable);
4329 scp->font_size = FONT_NONE;
4330 break;
4331
4332 default:
4333 /* call user defined function XXX */
4334 break;
4335 }
4336
4337 /* set border color for this (virtual) console */
4338 set_border(scp->border);
4339 return;
4340 }
4341
4342 void
4343 set_border(u_char color)
4344 {
4345 switch (crtc_type) {
4346 case KD_EGA:
4347 case KD_VGA:
4348 inb(crtc_addr + 6); /* reset flip-flop */
4349 outb(ATC, 0x31); outb(ATC, color);
4350 break;
4351 case KD_CGA:
4352 outb(crtc_addr + 5, color & 0x0f); /* color select register */
4353 break;
4354 case KD_MONO:
4355 case KD_HERCULES:
4356 default:
4357 break;
4358 }
4359 }
4360
4361 static void
4362 set_vgaregs(char *modetable)
4363 {
4364 int i, s = splhigh();
4365
4366 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */
4367 for (i=0; i<4; i++) { /* program sequencer */
4368 outb(TSIDX, i+1);
4369 outb(TSREG, modetable[i+5]);
4370 }
4371 outb(MISC, modetable[9]); /* set dot-clock */
4372 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */
4373 outb(crtc_addr, 0x11);
4374 outb(crtc_addr+1, inb(crtc_addr+1) & 0x7F);
4375 for (i=0; i<25; i++) { /* program crtc */
4376 outb(crtc_addr, i);
4377 if (i == 14 || i == 15) /* no hardware cursor */
4378 outb(crtc_addr+1, 0xff);
4379 else
4380 outb(crtc_addr+1, modetable[i+10]);
4381 }
4382 inb(crtc_addr+6); /* reset flip-flop */
4383 for (i=0; i<20; i++) { /* program attribute ctrl */
4384 outb(ATC, i);
4385 outb(ATC, modetable[i+35]);
4386 }
4387 for (i=0; i<9; i++) { /* program graph data ctrl */
4388 outb(GDCIDX, i);
4389 outb(GDCREG, modetable[i+55]);
4390 }
4391 inb(crtc_addr+6); /* reset flip-flop */
4392 outb(ATC, 0x20); /* enable palette */
4393 splx(s);
4394 }
4395
4396 static void
4397 read_vgaregs(char *buf)
4398 {
4399 int i, j;
4400 int s;
4401
4402 bzero(buf, MODE_PARAM_SIZE);
4403
4404 s = splhigh();
4405
4406 outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */
4407 for (i=0, j=5; i<4; i++) {
4408 outb(TSIDX, i+1);
4409 buf[j++] = inb(TSREG);
4410 }
4411 buf[9] = inb(MISC + 10); /* dot-clock */
4412 outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */
4413
4414 for (i=0, j=10; i<25; i++) { /* crtc */
4415 outb(crtc_addr, i);
4416 buf[j++] = inb(crtc_addr+1);
4417 }
4418 for (i=0, j=35; i<20; i++) { /* attribute ctrl */
4419 inb(crtc_addr+6); /* reset flip-flop */
4420 outb(ATC, i);
4421 buf[j++] = inb(ATC + 1);
4422 }
4423 for (i=0, j=55; i<9; i++) { /* graph data ctrl */
4424 outb(GDCIDX, i);
4425 buf[j++] = inb(GDCREG);
4426 }
4427 inb(crtc_addr+6); /* reset flip-flop */
4428 outb(ATC, 0x20); /* enable palette */
4429
4430 buf[0] = *(char *)pa_to_va(0x44a); /* COLS */
4431 buf[1] = *(char *)pa_to_va(0x484); /* ROWS */
4432 buf[2] = *(char *)pa_to_va(0x485); /* POINTS */
4433 buf[3] = *(char *)pa_to_va(0x44c);
4434 buf[4] = *(char *)pa_to_va(0x44d);
4435
4436 splx(s);
4437 }
4438
4439 static int
4440 comp_vgaregs(u_char *buf1, u_char *buf2)
4441 {
4442 static struct {
4443 u_char mask;
4444 } params[MODE_PARAM_SIZE] = {
4445 0xff, 0x00, 0xff, /* COLS, ROWS, POINTS */
4446 0xff, 0xff, /* page length */
4447 0xfe, 0xff, 0xff, 0xff, /* sequencer registers */
4448 0xf3, /* misc register */
4449 0xff, 0xff, 0xff, 0x7f, 0xff, /* CRTC */
4450 0xff, 0xff, 0xff, 0x7f, 0xff,
4451 0x00, 0x00, 0x00, 0x00, 0x00,
4452 0x00, 0xff, 0x7f, 0xff, 0xff,
4453 0x7f, 0xff, 0xff, 0xef, 0xff,
4454 0xff, 0xff, 0xff, 0xff, 0xff, /* attribute controller registers */
4455 0xff, 0xff, 0xff, 0xff, 0xff,
4456 0xff, 0xff, 0xff, 0xff, 0xff,
4457 0xff, 0xff, 0xff, 0xff, 0xf0,
4458 0xff, 0xff, 0xff, 0xff, 0xff, /* GDC register */
4459 0xff, 0xff, 0xff, 0xff,
4460 };
4461 int identical = TRUE;
4462 int i;
4463
4464 for (i = 0; i < sizeof(params)/sizeof(params[0]); ++i) {
4465 if (params[i].mask == 0) /* don't care */
4466 continue;
4467 if ((buf1[i] & params[i].mask) != (buf2[i] & params[i].mask))
4468 return COMP_DIFFERENT;
4469 if (buf1[i] != buf2[i])
4470 identical = FALSE;
4471 }
4472 return (identical) ? COMP_IDENTICAL : COMP_SIMILAR;
4473
4474 #if 0
4475 for(i = 0; i < 20; ++i) {
4476 if (*buf1++ != *buf2++)
4477 return COMP_DIFFERENT;
4478 }
4479 buf1 += 2; /* skip the cursor shape */
4480 buf2 += 2;
4481 for(i = 22; i < 24; ++i) {
4482 if (*buf1++ != *buf2++)
4483 return COMP_DIFFERENT;
4484 }
4485 buf1 += 2; /* skip the cursor position */
4486 buf2 += 2;
4487 for(i = 26; i < MODE_PARAM_SIZE; ++i) {
4488 if (*buf1++ != *buf2++)
4489 return COMP_DIFFERENT;
4490 }
4491 return COMP_IDENTICAL;
4492 #endif
4493 }
4494
4495 static void
4496 dump_vgaregs(u_char *buf)
4497 {
4498 int i;
4499
4500 for(i = 0; i < MODE_PARAM_SIZE;) {
4501 printf("%02x ", buf[i]);
4502 if ((++i % 16) == 0)
4503 printf("\n");
4504 }
4505 }
4506
4507 static void
4508 set_font_mode(u_char *buf)
4509 {
4510 int s = splhigh();
4511
4512 font_loading_in_progress = TRUE;
4513
4514 /* save register values */
4515 outb(TSIDX, 0x02); buf[0] = inb(TSREG);
4516 outb(TSIDX, 0x04); buf[1] = inb(TSREG);
4517 outb(GDCIDX, 0x04); buf[2] = inb(GDCREG);
4518 outb(GDCIDX, 0x05); buf[3] = inb(GDCREG);
4519 outb(GDCIDX, 0x06); buf[4] = inb(GDCREG);
4520 inb(crtc_addr + 6);
4521 outb(ATC, 0x10); buf[5] = inb(ATC + 1);
4522
4523 /* setup vga for loading fonts */
4524 inb(crtc_addr+6); /* reset flip-flop */
4525 outb(ATC, 0x10); outb(ATC, buf[5] & ~0x01);
4526 inb(crtc_addr+6); /* reset flip-flop */
4527 outb(ATC, 0x20); /* enable palette */
4528
4529 #if SLOW_VGA
4530 #ifdef SC_ALT_SEQACCESS
4531 outb(TSIDX, 0x00); outb(TSREG, 0x01);
4532 #endif
4533 outb(TSIDX, 0x02); outb(TSREG, 0x04);
4534 outb(TSIDX, 0x04); outb(TSREG, 0x07);
4535 #ifdef SC_ALT_SEQACCESS
4536 outb(TSIDX, 0x00); outb(TSREG, 0x03);
4537 #endif
4538 outb(GDCIDX, 0x04); outb(GDCREG, 0x02);
4539 outb(GDCIDX, 0x05); outb(GDCREG, 0x00);
4540 outb(GDCIDX, 0x06); outb(GDCREG, 0x04);
4541 #else
4542 #ifdef SC_ALT_SEQACCESS
4543 outw(TSIDX, 0x0100);
4544 #endif
4545 outw(TSIDX, 0x0402);
4546 outw(TSIDX, 0x0704);
4547 #ifdef SC_ALT_SEQACCESS
4548 outw(TSIDX, 0x0300);
4549 #endif
4550 outw(GDCIDX, 0x0204);
4551 outw(GDCIDX, 0x0005);
4552 outw(GDCIDX, 0x0406); /* addr = a0000, 64kb */
4553 #endif
4554 splx(s);
4555 }
4556
4557 static void
4558 set_normal_mode(u_char *buf)
4559 {
4560 char *modetable;
4561 int s = splhigh();
4562
4563 /* setup vga for normal operation mode again */
4564 inb(crtc_addr+6); /* reset flip-flop */
4565 outb(ATC, 0x10); outb(ATC, buf[5]);
4566 inb(crtc_addr+6); /* reset flip-flop */
4567 outb(ATC, 0x20); /* enable palette */
4568
4569 #if SLOW_VGA
4570 #ifdef SC_ALT_SEQACCESS
4571 outb(TSIDX, 0x00); outb(TSREG, 0x01);
4572 #endif
4573 outb(TSIDX, 0x02); outb(TSREG, buf[0]);
4574 outb(TSIDX, 0x04); outb(TSREG, buf[1]);
4575 #ifdef SC_ALT_SEQACCESS
4576 outb(TSIDX, 0x00); outb(TSREG, 0x03);
4577 #endif
4578 outb(GDCIDX, 0x04); outb(GDCREG, buf[2]);
4579 outb(GDCIDX, 0x05); outb(GDCREG, buf[3]);
4580 if (crtc_addr == MONO_BASE) {
4581 outb(GDCIDX, 0x06); outb(GDCREG,(buf[4] & 0x03) | 0x08);
4582 } else {
4583 outb(GDCIDX, 0x06); outb(GDCREG,(buf[4] & 0x03) | 0x0c);
4584 }
4585 #else
4586 #ifdef SC_ALT_SEQACCESS
4587 outw(TSIDX, 0x0100);
4588 #endif
4589 outw(TSIDX, 0x0002 | (buf[0] << 8));
4590 outw(TSIDX, 0x0004 | (buf[1] << 8));
4591 #ifdef SC_ALT_SEQACCESS
4592 outw(TSIDX, 0x0300);
4593 #endif
4594 outw(GDCIDX, 0x0004 | (buf[2] << 8));
4595 outw(GDCIDX, 0x0005 | (buf[3] << 8));
4596 if (crtc_addr == MONO_BASE)
4597 outw(GDCIDX, 0x0006 | (((buf[4] & 0x03) | 0x08)<<8));
4598 else
4599 outw(GDCIDX, 0x0006 | (((buf[4] & 0x03) | 0x0c)<<8));
4600 #endif
4601
4602 font_loading_in_progress = FALSE;
4603 splx(s);
4604 }
4605
4606 void
4607 copy_font(int operation, int font_type, char* font_image)
4608 {
4609 int ch, line, segment, fontsize;
4610 u_char buf[PARAM_BUFSIZE];
4611 u_char val;
4612
4613 switch (font_type) {
4614 default:
4615 case FONT_8:
4616 segment = 0x8000;
4617 fontsize = 8;
4618 break;
4619 case FONT_14:
4620 segment = 0x4000;
4621 fontsize = 14;
4622 break;
4623 case FONT_16:
4624 segment = 0x0000;
4625 fontsize = 16;
4626 break;
4627 }
4628 /*
4629 * FONT KLUDGE
4630 * Always use the font page #0. XXX
4631 */
4632 segment = 0x0000;
4633 outb(TSIDX, 0x01); val = inb(TSREG); /* disable screen */
4634 outb(TSIDX, 0x01); outb(TSREG, val | 0x20);
4635 set_font_mode(buf);
4636 for (ch=0; ch < 256; ch++)
4637 for (line=0; line < fontsize; line++)
4638 if (operation)
4639 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line) =
4640 font_image[(ch*fontsize)+line];
4641 else
4642 font_image[(ch*fontsize)+line] =
4643 *(char *)pa_to_va(VIDEOMEM+(segment)+(ch*32)+line);
4644 set_normal_mode(buf);
4645 outb(TSIDX, 0x01); outb(TSREG, val & 0xDF); /* enable screen */
4646 }
4647
4648 static void
4649 set_destructive_cursor(scr_stat *scp)
4650 {
4651 u_char buf[PARAM_BUFSIZE];
4652 u_char cursor[32];
4653 caddr_t address;
4654 int i;
4655 char *font_buffer;
4656
4657 if (scp->font_size < 14) {
4658 font_buffer = font_8;
4659 address = (caddr_t)VIDEOMEM + 0x8000;
4660 }
4661 else if (scp->font_size >= 16) {
4662 font_buffer = font_16;
4663 address = (caddr_t)VIDEOMEM;
4664 }
4665 else {
4666 font_buffer = font_14;
4667 address = (caddr_t)VIDEOMEM + 0x4000;
4668 }
4669 /*
4670 * FONT KLUDGE
4671 * Always use the font page #0. XXX
4672 */
4673 address = (caddr_t)VIDEOMEM;
4674
4675 if (scp->status & MOUSE_VISIBLE) {
4676 if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR)
4677 bcopy(&scp->mouse_cursor[0], cursor, scp->font_size);
4678 else if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR + 1)
4679 bcopy(&scp->mouse_cursor[32], cursor, scp->font_size);
4680 else if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR + 2)
4681 bcopy(&scp->mouse_cursor[64], cursor, scp->font_size);
4682 else if ((scp->cursor_saveunder & 0xff) == SC_MOUSE_CHAR + 3)
4683 bcopy(&scp->mouse_cursor[96], cursor, scp->font_size);
4684 else
4685 bcopy(font_buffer+((scp->cursor_saveunder & 0xff)*scp->font_size),
4686 cursor, scp->font_size);
4687 }
4688 else
4689 bcopy(font_buffer + ((scp->cursor_saveunder & 0xff) * scp->font_size),
4690 cursor, scp->font_size);
4691 for (i=0; i<32; i++)
4692 if ((i >= scp->cursor_start && i <= scp->cursor_end) ||
4693 (scp->cursor_start >= scp->font_size && i == scp->font_size - 1))
4694 cursor[i] |= 0xff;
4695 #if 1
4696 while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
4697 #endif
4698 set_font_mode(buf);
4699 sc_bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32);
4700 set_normal_mode(buf);
4701 }
4702
4703 static void
4704 set_mouse_pos(scr_stat *scp)
4705 {
4706 static int last_xpos = -1, last_ypos = -1;
4707
4708 if (scp->mouse_xpos < 0)
4709 scp->mouse_xpos = 0;
4710 if (scp->mouse_ypos < 0)
4711 scp->mouse_ypos = 0;
4712 if (scp->status & UNKNOWN_MODE) {
4713 if (scp->mouse_xpos > scp->xpixel-1)
4714 scp->mouse_xpos = scp->xpixel-1;
4715 if (scp->mouse_ypos > scp->ypixel-1)
4716 scp->mouse_ypos = scp->ypixel-1;
4717 return;
4718 }
4719 if (scp->mouse_xpos > (scp->xsize*8)-1)
4720 scp->mouse_xpos = (scp->xsize*8)-1;
4721 if (scp->mouse_ypos > (scp->ysize*scp->font_size)-1)
4722 scp->mouse_ypos = (scp->ysize*scp->font_size)-1;
4723
4724 if (scp->mouse_xpos != last_xpos || scp->mouse_ypos != last_ypos) {
4725 scp->status |= MOUSE_MOVED;
4726
4727 scp->mouse_pos = scp->scr_buf +
4728 ((scp->mouse_ypos/scp->font_size)*scp->xsize + scp->mouse_xpos/8);
4729
4730 if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING))
4731 mouse_cut(scp);
4732 }
4733 }
4734
4735 #define isspace(c) (((c) & 0xff) == ' ')
4736
4737 static int
4738 skip_spc_right(scr_stat *scp, u_short *p)
4739 {
4740 int i;
4741
4742 for (i = (p - scp->scr_buf) % scp->xsize; i < scp->xsize; ++i) {
4743 if (!isspace(*p))
4744 break;
4745 ++p;
4746 }
4747 return i;
4748 }
4749
4750 static int
4751 skip_spc_left(scr_stat *scp, u_short *p)
4752 {
4753 int i;
4754
4755 for (i = (p-- - scp->scr_buf) % scp->xsize - 1; i >= 0; --i) {
4756 if (!isspace(*p))
4757 break;
4758 --p;
4759 }
4760 return i;
4761 }
4762
4763 static void
4764 mouse_cut(scr_stat *scp)
4765 {
4766 u_short *end;
4767 u_short *p;
4768 int i = 0;
4769 int j = 0;
4770
4771 scp->mouse_cut_end = (scp->mouse_pos >= scp->mouse_cut_start) ?
4772 scp->mouse_pos + 1 : scp->mouse_pos;
4773 end = (scp->mouse_cut_start > scp->mouse_cut_end) ?
4774 scp->mouse_cut_start : scp->mouse_cut_end;
4775 for (p = (scp->mouse_cut_start > scp->mouse_cut_end) ?
4776 scp->mouse_cut_end : scp->mouse_cut_start; p < end; ++p) {
4777 cut_buffer[i] = *p & 0xff;
4778 /* remember the position of the last non-space char */
4779 if (!isspace(cut_buffer[i++]))
4780 j = i;
4781 /* trim trailing blank when crossing lines */
4782 if (((p - scp->scr_buf) % scp->xsize) == (scp->xsize - 1)) {
4783 cut_buffer[j++] = '\r';
4784 i = j;
4785 }
4786 }
4787 cut_buffer[i] = '\0';
4788
4789 /* scan towards the end of the last line */
4790 --p;
4791 for (i = (p - scp->scr_buf) % scp->xsize; i < scp->xsize; ++i) {
4792 if (!isspace(*p))
4793 break;
4794 ++p;
4795 }
4796 /* if there is nothing but blank chars, trim them, but mark towards eol */
4797 if (i >= scp->xsize) {
4798 if (scp->mouse_cut_start > scp->mouse_cut_end)
4799 scp->mouse_cut_start = p;
4800 else
4801 scp->mouse_cut_end = p;
4802 cut_buffer[j++] = '\r';
4803 cut_buffer[j] = '\0';
4804 }
4805
4806 mark_for_update(scp, scp->mouse_cut_start - scp->scr_buf);
4807 mark_for_update(scp, scp->mouse_cut_end - scp->scr_buf);
4808 }
4809
4810 static void
4811 mouse_cut_start(scr_stat *scp)
4812 {
4813 int i;
4814
4815 if (scp->status & MOUSE_VISIBLE) {
4816 if (scp->mouse_pos == scp->mouse_cut_start &&
4817 scp->mouse_cut_start == scp->mouse_cut_end - 1) {
4818 cut_buffer[0] = '\0';
4819 remove_cutmarking(scp);
4820 } else if (skip_spc_right(scp, scp->mouse_pos) >= scp->xsize) {
4821 /* if the pointer is on trailing blank chars, mark towards eol */
4822 i = skip_spc_left(scp, scp->mouse_pos) + 1;
4823 scp->mouse_cut_start = scp->scr_buf +
4824 ((scp->mouse_pos - scp->scr_buf) / scp->xsize) * scp->xsize + i;
4825 scp->mouse_cut_end = scp->scr_buf +
4826 ((scp->mouse_pos - scp->scr_buf) / scp->xsize + 1) * scp->xsize;
4827 cut_buffer[0] = '\r';
4828 cut_buffer[1] = '\0';
4829 scp->status |= MOUSE_CUTTING;
4830 } else {
4831 scp->mouse_cut_start = scp->mouse_pos;
4832 scp->mouse_cut_end = scp->mouse_cut_start + 1;
4833 cut_buffer[0] = *scp->mouse_cut_start & 0xff;
4834 cut_buffer[1] = '\0';
4835 scp->status |= MOUSE_CUTTING;
4836 }
4837 mark_all(scp);
4838 /* delete all other screens cut markings */
4839 for (i=0; i<MAXCONS; i++) {
4840 if (console[i] == NULL || console[i] == scp)
4841 continue;
4842 remove_cutmarking(console[i]);
4843 }
4844 }
4845 }
4846
4847 static void
4848 mouse_cut_end(scr_stat *scp)
4849 {
4850 if (scp->status & MOUSE_VISIBLE) {
4851 scp->status &= ~MOUSE_CUTTING;
4852 }
4853 }
4854
4855 static void
4856 mouse_cut_word(scr_stat *scp)
4857 {
4858 u_short *p;
4859 u_short *sol;
4860 u_short *eol;
4861 int i;
4862
4863 /*
4864 * Because we don't have locale information in the kernel,
4865 * we only distinguish space char and non-space chars. Punctuation
4866 * chars, symbols and other regular chars are all treated alike.
4867 */
4868 if (scp->status & MOUSE_VISIBLE) {
4869 sol = scp->scr_buf
4870 + ((scp->mouse_pos - scp->scr_buf) / scp->xsize) * scp->xsize;
4871 eol = sol + scp->xsize;
4872 if (isspace(*scp->mouse_pos)) {
4873 for (p = scp->mouse_pos; p >= sol; --p)
4874 if (!isspace(*p))
4875 break;
4876 scp->mouse_cut_start = ++p;
4877 for (p = scp->mouse_pos; p < eol; ++p)
4878 if (!isspace(*p))
4879 break;
4880 scp->mouse_cut_end = p;
4881 } else {
4882 for (p = scp->mouse_pos; p >= sol; --p)
4883 if (isspace(*p))
4884 break;
4885 scp->mouse_cut_start = ++p;
4886 for (p = scp->mouse_pos; p < eol; ++p)
4887 if (isspace(*p))
4888 break;
4889 scp->mouse_cut_end = p;
4890 }
4891 for (i = 0, p = scp->mouse_cut_start; p < scp->mouse_cut_end; ++p)
4892 cut_buffer[i++] = *p & 0xff;
4893 cut_buffer[i] = '\0';
4894 scp->status |= MOUSE_CUTTING;
4895 }
4896 }
4897
4898 static void
4899 mouse_cut_line(scr_stat *scp)
4900 {
4901 u_short *p;
4902 int i;
4903
4904 if (scp->status & MOUSE_VISIBLE) {
4905 scp->mouse_cut_start = scp->scr_buf
4906 + ((scp->mouse_pos - scp->scr_buf) / scp->xsize) * scp->xsize;
4907 scp->mouse_cut_end = scp->mouse_cut_start + scp->xsize;
4908 for (i = 0, p = scp->mouse_cut_start; p < scp->mouse_cut_end; ++p)
4909 cut_buffer[i++] = *p & 0xff;
4910 cut_buffer[i++] = '\r';
4911 cut_buffer[i] = '\0';
4912 scp->status |= MOUSE_CUTTING;
4913 }
4914 }
4915
4916 static void
4917 mouse_cut_extend(scr_stat *scp)
4918 {
4919 if ((scp->status & MOUSE_VISIBLE) && !(scp->status & MOUSE_CUTTING)
4920 && (scp->mouse_cut_start != NULL)) {
4921 mouse_cut(scp);
4922 scp->status |= MOUSE_CUTTING;
4923 }
4924 }
4925
4926 static void
4927 mouse_paste(scr_stat *scp)
4928 {
4929 if (scp->status & MOUSE_VISIBLE) {
4930 struct tty *tp;
4931 u_char *ptr = cut_buffer;
4932
4933 tp = VIRTUAL_TTY(get_scr_num());
4934 while (*ptr)
4935 (*linesw[tp->t_line].l_rint)(scr_rmap[*ptr++], tp);
4936 }
4937 }
4938
4939 static void
4940 draw_mouse_image(scr_stat *scp)
4941 {
4942 caddr_t address;
4943 int i;
4944 char *font_buffer;
4945 u_char buf[PARAM_BUFSIZE];
4946 u_short buffer[32];
4947 u_short xoffset, yoffset;
4948 u_short *crt_pos = Crtat + (scp->mouse_pos - scp->scr_buf);
4949 int font_size = scp->font_size;
4950
4951 if (font_size < 14) {
4952 font_buffer = font_8;
4953 address = (caddr_t)VIDEOMEM + 0x8000;
4954 }
4955 else if (font_size >= 16) {
4956 font_buffer = font_16;
4957 address = (caddr_t)VIDEOMEM;
4958 }
4959 else {
4960 font_buffer = font_14;
4961 address = (caddr_t)VIDEOMEM + 0x4000;
4962 }
4963 /*
4964 * FONT KLUDGE
4965 * Always use the font page #0. XXX
4966 */
4967 address = (caddr_t)VIDEOMEM;
4968
4969 xoffset = scp->mouse_xpos % 8;
4970 yoffset = scp->mouse_ypos % font_size;
4971
4972 /* prepare mousepointer char's bitmaps */
4973 bcopy(font_buffer + ((*(scp->mouse_pos) & 0xff) * font_size),
4974 &scp->mouse_cursor[0], font_size);
4975 bcopy(font_buffer + ((*(scp->mouse_pos+1) & 0xff) * font_size),
4976 &scp->mouse_cursor[32], font_size);
4977 bcopy(font_buffer + ((*(scp->mouse_pos+scp->xsize) & 0xff) * font_size),
4978 &scp->mouse_cursor[64], font_size);
4979 bcopy(font_buffer + ((*(scp->mouse_pos+scp->xsize+1) & 0xff) * font_size),
4980 &scp->mouse_cursor[96], font_size);
4981 for (i=0; i<font_size; i++) {
4982 buffer[i] = scp->mouse_cursor[i]<<8 | scp->mouse_cursor[i+32];
4983 buffer[i+font_size]=scp->mouse_cursor[i+64]<<8|scp->mouse_cursor[i+96];
4984 }
4985
4986 /* now and-or in the mousepointer image */
4987 for (i=0; i<16; i++) {
4988 buffer[i+yoffset] =
4989 ( buffer[i+yoffset] & ~(mouse_and_mask[i] >> xoffset))
4990 | (mouse_or_mask[i] >> xoffset);
4991 }
4992 for (i=0; i<font_size; i++) {
4993 scp->mouse_cursor[i] = (buffer[i] & 0xff00) >> 8;
4994 scp->mouse_cursor[i+32] = buffer[i] & 0xff;
4995 scp->mouse_cursor[i+64] = (buffer[i+font_size] & 0xff00) >> 8;
4996 scp->mouse_cursor[i+96] = buffer[i+font_size] & 0xff;
4997 }
4998
4999 scp->mouse_oldpos = scp->mouse_pos;
5000
5001 #if 1
5002 /* wait for vertical retrace to avoid jitter on some videocards */
5003 while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ;
5004 #endif
5005 set_font_mode(buf);
5006 sc_bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + SC_MOUSE_CHAR * 32,
5007 128);
5008 set_normal_mode(buf);
5009 *(crt_pos) = (*(scp->mouse_pos) & 0xff00) | SC_MOUSE_CHAR;
5010 *(crt_pos+scp->xsize) =
5011 (*(scp->mouse_pos + scp->xsize) & 0xff00) | (SC_MOUSE_CHAR + 2);
5012 if (scp->mouse_xpos < (scp->xsize-1)*8) {
5013 *(crt_pos + 1) = (*(scp->mouse_pos + 1) & 0xff00) | (SC_MOUSE_CHAR + 1);
5014 *(crt_pos+scp->xsize + 1) =
5015 (*(scp->mouse_pos + scp->xsize + 1) & 0xff00) | (SC_MOUSE_CHAR + 3);
5016 }
5017 mark_for_update(scp, scp->mouse_pos - scp->scr_buf);
5018 mark_for_update(scp, scp->mouse_pos + scp->xsize + 1 - scp->scr_buf);
5019 }
5020
5021 static void
5022 remove_mouse_image(scr_stat *scp)
5023 {
5024 u_short *crt_pos = Crtat + (scp->mouse_oldpos - scp->scr_buf);
5025
5026 *(crt_pos) = *(scp->mouse_oldpos);
5027 *(crt_pos+1) = *(scp->mouse_oldpos+1);
5028 *(crt_pos+scp->xsize) = *(scp->mouse_oldpos+scp->xsize);
5029 *(crt_pos+scp->xsize+1) = *(scp->mouse_oldpos+scp->xsize+1);
5030 mark_for_update(scp, scp->mouse_oldpos - scp->scr_buf);
5031 mark_for_update(scp, scp->mouse_oldpos + scp->xsize + 1 - scp->scr_buf);
5032 }
5033
5034 static void
5035 draw_cutmarking(scr_stat *scp)
5036 {
5037 u_short *ptr;
5038 u_short och, nch;
5039
5040 for (ptr=scp->scr_buf; ptr<=(scp->scr_buf+(scp->xsize*scp->ysize)); ptr++) {
5041 nch = och = *(Crtat + (ptr - scp->scr_buf));
5042 /* are we outside the selected area ? */
5043 if ( ptr < (scp->mouse_cut_start > scp->mouse_cut_end ?
5044 scp->mouse_cut_end : scp->mouse_cut_start) ||
5045 ptr >= (scp->mouse_cut_start > scp->mouse_cut_end ?
5046 scp->mouse_cut_start : scp->mouse_cut_end)) {
5047 if (ptr != scp->cursor_pos)
5048 nch = (och & 0xff) | (*ptr & 0xff00);
5049 }
5050 else {
5051 /* are we clear of the cursor image ? */
5052 if (ptr != scp->cursor_pos)
5053 nch = (och & 0x88ff) | (*ptr & 0x7000)>>4 | (*ptr & 0x0700)<<4;
5054 else {
5055 if (flags & CHAR_CURSOR)
5056 nch = (och & 0x88ff)|(*ptr & 0x7000)>>4|(*ptr & 0x0700)<<4;
5057 else
5058 if (!(flags & BLINK_CURSOR))
5059 nch = (och & 0xff) | (*ptr & 0xff00);
5060 }
5061 }
5062 if (nch != och)
5063 *(Crtat + (ptr - scp->scr_buf)) = nch;
5064 }
5065 }
5066
5067 static void
5068 remove_cutmarking(scr_stat *scp)
5069 {
5070 scp->mouse_cut_start = scp->mouse_cut_end = NULL;
5071 scp->status &= ~MOUSE_CUTTING;
5072 mark_all(scp);
5073 }
5074
5075 static void
5076 save_palette(void)
5077 {
5078 int i;
5079
5080 outb(PALRADR, 0x00);
5081 for (i=0x00; i<0x300; i++)
5082 palette[i] = inb(PALDATA);
5083 inb(crtc_addr+6); /* reset flip/flop */
5084 }
5085
5086 void
5087 load_palette(char *palette)
5088 {
5089 int i;
5090
5091 outb(PIXMASK, 0xFF); /* no pixelmask */
5092 outb(PALWADR, 0x00);
5093 for (i=0x00; i<0x300; i++)
5094 outb(PALDATA, palette[i]);
5095 inb(crtc_addr+6); /* reset flip/flop */
5096 outb(ATC, 0x20); /* enable palette */
5097 }
5098
5099 static void
5100 do_bell(scr_stat *scp, int pitch, int duration)
5101 {
5102 if (cold || shutdown_in_progress)
5103 return;
5104
5105 if (scp != cur_console && (flags & QUIET_BELL))
5106 return;
5107
5108 if (flags & VISUAL_BELL) {
5109 if (blink_in_progress)
5110 return;
5111 blink_in_progress = 4;
5112 if (scp != cur_console)
5113 blink_in_progress += 2;
5114 blink_screen(cur_console);
5115 } else {
5116 if (scp != cur_console)
5117 pitch *= 2;
5118 sysbeep(pitch, duration);
5119 }
5120 }
5121
5122 static void
5123 blink_screen(void *arg)
5124 {
5125 scr_stat *scp = arg;
5126
5127 if ((scp->status & UNKNOWN_MODE) || (blink_in_progress <= 1)) {
5128 blink_in_progress = FALSE;
5129 mark_all(scp);
5130 if (delayed_next_scr)
5131 switch_scr(scp, delayed_next_scr - 1);
5132 }
5133 else {
5134 if (blink_in_progress & 1)
5135 fillw(kernel_default.std_color | scr_map[0x20],
5136 Crtat, scp->xsize * scp->ysize);
5137 else
5138 fillw(kernel_default.rev_color | scr_map[0x20],
5139 Crtat, scp->xsize * scp->ysize);
5140 blink_in_progress--;
5141 timeout(blink_screen, scp, hz / 10);
5142 }
5143 }
5144
5145 #ifdef SC_SPLASH_SCREEN
5146 static void
5147 toggle_splash_screen(scr_stat *scp)
5148 {
5149 static int toggle = 0;
5150 static u_char save_mode;
5151 int s;
5152
5153 if (video_mode_ptr == NULL)
5154 return;
5155
5156 s = splhigh();
5157 if (toggle) {
5158 scp->mode = save_mode;
5159 scp->status &= ~UNKNOWN_MODE;
5160 set_mode(scp);
5161 load_palette(palette);
5162 toggle = 0;
5163 }
5164 else {
5165 save_mode = scp->mode;
5166 scp->mode = M_VGA_CG320;
5167 scp->status |= UNKNOWN_MODE;
5168 set_mode(scp);
5169 /* load image */
5170 toggle = 1;
5171 }
5172 splx(s);
5173 }
5174 #endif
5175 #endif /* NSC */
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