1 | /* $NetBSD: wsemul_vt100.c,v 1.37 2015/08/24 22:50:33 pooka Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1998 |
5 | * Matthias Drochner. All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * |
27 | */ |
28 | |
29 | #include <sys/cdefs.h> |
30 | __KERNEL_RCSID(0, "$NetBSD: wsemul_vt100.c,v 1.37 2015/08/24 22:50:33 pooka Exp $" ); |
31 | |
32 | #ifdef _KERNEL_OPT |
33 | #include "opt_wsmsgattrs.h" |
34 | #endif |
35 | |
36 | #include <sys/param.h> |
37 | #include <sys/systm.h> |
38 | #include <sys/time.h> |
39 | #include <sys/malloc.h> |
40 | #include <sys/fcntl.h> |
41 | |
42 | #include <dev/wscons/wsconsio.h> |
43 | #include <dev/wscons/wsdisplayvar.h> |
44 | #include <dev/wscons/wsemulvar.h> |
45 | #include <dev/wscons/wsemul_vt100var.h> |
46 | #include <dev/wscons/ascii.h> |
47 | |
48 | void *wsemul_vt100_cnattach(const struct wsscreen_descr *, void *, |
49 | int, int, long); |
50 | void *wsemul_vt100_attach(int console, const struct wsscreen_descr *, |
51 | void *, int, int, void *, long); |
52 | void wsemul_vt100_output(void *cookie, const u_char *data, u_int count, int); |
53 | void wsemul_vt100_detach(void *cookie, u_int *crowp, u_int *ccolp); |
54 | void wsemul_vt100_resetop(void *, enum wsemul_resetops); |
55 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
56 | static void wsemul_vt100_getmsgattrs(void *, struct wsdisplay_msgattrs *); |
57 | static void wsemul_vt100_setmsgattrs(void *, const struct wsscreen_descr *, |
58 | const struct wsdisplay_msgattrs *); |
59 | #endif /* WSDISPLAY_CUSTOM_OUTPUT */ |
60 | |
61 | const struct wsemul_ops wsemul_vt100_ops = { |
62 | "vt100" , |
63 | wsemul_vt100_cnattach, |
64 | wsemul_vt100_attach, |
65 | wsemul_vt100_output, |
66 | wsemul_vt100_translate, |
67 | wsemul_vt100_detach, |
68 | wsemul_vt100_resetop, |
69 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
70 | wsemul_vt100_getmsgattrs, |
71 | wsemul_vt100_setmsgattrs, |
72 | #else |
73 | NULL, |
74 | NULL, |
75 | #endif |
76 | }; |
77 | |
78 | struct wsemul_vt100_emuldata wsemul_vt100_console_emuldata; |
79 | |
80 | static void wsemul_vt100_init(struct wsemul_vt100_emuldata *, |
81 | const struct wsscreen_descr *, |
82 | void *, int, int, long); |
83 | |
84 | static void wsemul_vt100_output_normal(struct wsemul_vt100_emuldata *, |
85 | u_char, int); |
86 | static void wsemul_vt100_output_c0c1(struct wsemul_vt100_emuldata *, |
87 | u_char, int); |
88 | static void wsemul_vt100_nextline(struct wsemul_vt100_emuldata *); |
89 | typedef u_int vt100_handler(struct wsemul_vt100_emuldata *, u_char); |
90 | |
91 | static vt100_handler |
92 | wsemul_vt100_output_esc, |
93 | wsemul_vt100_output_csi, |
94 | wsemul_vt100_output_scs94, |
95 | wsemul_vt100_output_scs94_percent, |
96 | wsemul_vt100_output_scs96, |
97 | wsemul_vt100_output_scs96_percent, |
98 | wsemul_vt100_output_esc_hash, |
99 | wsemul_vt100_output_esc_spc, |
100 | wsemul_vt100_output_string, |
101 | wsemul_vt100_output_string_esc, |
102 | wsemul_vt100_output_dcs, |
103 | wsemul_vt100_output_dcs_dollar; |
104 | |
105 | #define VT100_EMUL_STATE_NORMAL 0 /* normal processing */ |
106 | #define VT100_EMUL_STATE_ESC 1 /* got ESC */ |
107 | #define VT100_EMUL_STATE_CSI 2 /* got CSI (ESC[) */ |
108 | #define VT100_EMUL_STATE_SCS94 3 /* got ESC{()*+} */ |
109 | #define VT100_EMUL_STATE_SCS94_PERCENT 4 /* got ESC{()*+}% */ |
110 | #define VT100_EMUL_STATE_SCS96 5 /* got ESC{-./} */ |
111 | #define VT100_EMUL_STATE_SCS96_PERCENT 6 /* got ESC{-./}% */ |
112 | #define VT100_EMUL_STATE_ESC_HASH 7 /* got ESC# */ |
113 | #define VT100_EMUL_STATE_ESC_SPC 8 /* got ESC<SPC> */ |
114 | #define VT100_EMUL_STATE_STRING 9 /* waiting for ST (ESC\) */ |
115 | #define VT100_EMUL_STATE_STRING_ESC 10 /* waiting for ST, got ESC */ |
116 | #define VT100_EMUL_STATE_DCS 11 /* got DCS (ESC P) */ |
117 | #define VT100_EMUL_STATE_DCS_DOLLAR 12 /* got DCS<p>$ */ |
118 | |
119 | vt100_handler *vt100_output[] = { |
120 | wsemul_vt100_output_esc, |
121 | wsemul_vt100_output_csi, |
122 | wsemul_vt100_output_scs94, |
123 | wsemul_vt100_output_scs94_percent, |
124 | wsemul_vt100_output_scs96, |
125 | wsemul_vt100_output_scs96_percent, |
126 | wsemul_vt100_output_esc_hash, |
127 | wsemul_vt100_output_esc_spc, |
128 | wsemul_vt100_output_string, |
129 | wsemul_vt100_output_string_esc, |
130 | wsemul_vt100_output_dcs, |
131 | wsemul_vt100_output_dcs_dollar, |
132 | }; |
133 | |
134 | static void |
135 | wsemul_vt100_init(struct wsemul_vt100_emuldata *edp, |
136 | const struct wsscreen_descr *type, void *cookie, int ccol, int crow, |
137 | long defattr) |
138 | { |
139 | struct vt100base_data *vd = &edp->bd; |
140 | int error; |
141 | |
142 | vd->emulops = type->textops; |
143 | vd->emulcookie = cookie; |
144 | vd->scrcapabilities = type->capabilities; |
145 | vd->nrows = type->nrows; |
146 | vd->ncols = type->ncols; |
147 | vd->crow = crow; |
148 | vd->ccol = ccol; |
149 | |
150 | /* The underlying driver has already allocated a default and simple |
151 | * attribute for us, which is stored in defattr. We try to set the |
152 | * values specified by the kernel options below, but in case of |
153 | * failure we fallback to the value given by the driver. */ |
154 | |
155 | if (type->capabilities & WSSCREEN_WSCOLORS) { |
156 | vd->msgattrs.default_attrs = WS_DEFAULT_COLATTR | |
157 | WSATTR_WSCOLORS; |
158 | vd->msgattrs.default_bg = WS_DEFAULT_BG; |
159 | vd->msgattrs.default_fg = WS_DEFAULT_FG; |
160 | |
161 | vd->msgattrs.kernel_attrs = WS_KERNEL_COLATTR | |
162 | WSATTR_WSCOLORS; |
163 | vd->msgattrs.kernel_bg = WS_KERNEL_BG; |
164 | vd->msgattrs.kernel_fg = WS_KERNEL_FG; |
165 | } else { |
166 | vd->msgattrs.default_attrs = WS_DEFAULT_MONOATTR; |
167 | vd->msgattrs.default_bg = vd->msgattrs.default_fg = 0; |
168 | |
169 | vd->msgattrs.kernel_attrs = WS_KERNEL_MONOATTR; |
170 | vd->msgattrs.kernel_bg = vd->msgattrs.kernel_fg = 0; |
171 | } |
172 | |
173 | error = (*vd->emulops->allocattr)(cookie, |
174 | vd->msgattrs.default_fg, |
175 | vd->msgattrs.default_bg, |
176 | vd->msgattrs.default_attrs, |
177 | &vd->defattr); |
178 | if (error) { |
179 | vd->defattr = defattr; |
180 | /* XXX This assumes the driver has allocated white on black |
181 | * XXX as the default attribute, which is not always true. |
182 | * XXX Maybe we need an emulop that, given an attribute, |
183 | * XXX (defattr) returns its flags and colors? */ |
184 | vd->msgattrs.default_attrs = 0; |
185 | vd->msgattrs.default_bg = WSCOL_BLACK; |
186 | vd->msgattrs.default_fg = WSCOL_WHITE; |
187 | } else { |
188 | if (vd->emulops->replaceattr != NULL) |
189 | (*vd->emulops->replaceattr)(cookie, defattr, |
190 | vd->defattr); |
191 | } |
192 | |
193 | #if defined(WS_KERNEL_CUSTOMIZED) |
194 | /* Set up kernel colors, in case they were customized by the user; |
195 | * otherwise default to the colors specified for the console. |
196 | * In case of failure, we use console colors too; we can assume |
197 | * they are good as they have been previously allocated and |
198 | * verified. */ |
199 | error = (*vd->emulops->allocattr)(cookie, |
200 | vd->msgattrs.kernel_fg, |
201 | vd->msgattrs.kernel_bg, |
202 | vd->msgattrs.kernel_attrs, |
203 | &edp->kernattr); |
204 | if (error) |
205 | #endif |
206 | edp->kernattr = vd->defattr; |
207 | } |
208 | |
209 | void * |
210 | wsemul_vt100_cnattach(const struct wsscreen_descr *type, void *cookie, |
211 | int ccol, int crow, long defattr) |
212 | { |
213 | struct wsemul_vt100_emuldata *edp; |
214 | struct vt100base_data *vd; |
215 | |
216 | edp = &wsemul_vt100_console_emuldata; |
217 | vd = &edp->bd; |
218 | wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr); |
219 | #ifdef DIAGNOSTIC |
220 | edp->console = 1; |
221 | #endif |
222 | vd->cbcookie = NULL; |
223 | |
224 | vd->tabs = 0; |
225 | vd->dblwid = 0; |
226 | vd->dw = 0; |
227 | vd->dcsarg = 0; |
228 | edp->isolatin1tab = edp->decgraphtab = edp->dectechtab = 0; |
229 | edp->nrctab = 0; |
230 | wsemul_vt100_reset(edp); |
231 | return (edp); |
232 | } |
233 | |
234 | void * |
235 | wsemul_vt100_attach(int console, const struct wsscreen_descr *type, |
236 | void *cookie, int ccol, int crow, void *cbcookie, long defattr) |
237 | { |
238 | struct wsemul_vt100_emuldata *edp; |
239 | struct vt100base_data *vd; |
240 | |
241 | if (console) { |
242 | edp = &wsemul_vt100_console_emuldata; |
243 | #ifdef DIAGNOSTIC |
244 | KASSERT(edp->console == 1); |
245 | #endif |
246 | } else { |
247 | edp = malloc(sizeof *edp, M_DEVBUF, M_WAITOK); |
248 | wsemul_vt100_init(edp, type, cookie, ccol, crow, defattr); |
249 | #ifdef DIAGNOSTIC |
250 | edp->console = 0; |
251 | #endif |
252 | } |
253 | vd = &edp->bd; |
254 | vd->cbcookie = cbcookie; |
255 | |
256 | vd->tabs = malloc(vd->ncols, M_DEVBUF, M_NOWAIT); |
257 | vd->dblwid = malloc(vd->nrows, M_DEVBUF, M_NOWAIT|M_ZERO); |
258 | vd->dw = 0; |
259 | vd->dcsarg = malloc(DCS_MAXLEN, M_DEVBUF, M_NOWAIT); |
260 | edp->isolatin1tab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
261 | edp->decgraphtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
262 | edp->dectechtab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
263 | edp->nrctab = malloc(128 * sizeof(int), M_DEVBUF, M_NOWAIT); |
264 | vt100_initchartables(edp); |
265 | wsemul_vt100_reset(edp); |
266 | return (edp); |
267 | } |
268 | |
269 | void |
270 | wsemul_vt100_detach(void *cookie, u_int *crowp, u_int *ccolp) |
271 | { |
272 | struct wsemul_vt100_emuldata *edp = cookie; |
273 | struct vt100base_data *vd = &edp->bd; |
274 | |
275 | *crowp = vd->crow; |
276 | *ccolp = vd->ccol; |
277 | #define f(ptr) if (ptr) {free(ptr, M_DEVBUF); ptr = 0;} |
278 | f(vd->tabs) |
279 | f(vd->dblwid) |
280 | f(vd->dcsarg) |
281 | f(edp->isolatin1tab) |
282 | f(edp->decgraphtab) |
283 | f(edp->dectechtab) |
284 | f(edp->nrctab) |
285 | #undef f |
286 | if (edp != &wsemul_vt100_console_emuldata) |
287 | free(edp, M_DEVBUF); |
288 | } |
289 | |
290 | void |
291 | wsemul_vt100_resetop(void *cookie, enum wsemul_resetops op) |
292 | { |
293 | struct wsemul_vt100_emuldata *edp = cookie; |
294 | struct vt100base_data *vd = &edp->bd; |
295 | |
296 | switch (op) { |
297 | case WSEMUL_RESET: |
298 | wsemul_vt100_reset(edp); |
299 | break; |
300 | case WSEMUL_SYNCFONT: |
301 | vt100_initchartables(edp); |
302 | break; |
303 | case WSEMUL_CLEARSCREEN: |
304 | wsemul_vt100_ed(vd, 2); |
305 | vd->ccol = vd->crow = 0; |
306 | (*vd->emulops->cursor)(vd->emulcookie, |
307 | vd->flags & VTFL_CURSORON, 0, 0); |
308 | break; |
309 | default: |
310 | break; |
311 | } |
312 | } |
313 | |
314 | void |
315 | wsemul_vt100_reset(struct wsemul_vt100_emuldata *edp) |
316 | { |
317 | struct vt100base_data *vd = &edp->bd; |
318 | int i; |
319 | |
320 | edp->state = VT100_EMUL_STATE_NORMAL; |
321 | vd->flags = VTFL_DECAWM | VTFL_CURSORON; |
322 | vd->bkgdattr = vd->curattr = vd->defattr; |
323 | vd->attrflags = vd->msgattrs.default_attrs; |
324 | vd->fgcol = vd->msgattrs.default_fg; |
325 | vd->bgcol = vd->msgattrs.default_bg; |
326 | vd->scrreg_startrow = 0; |
327 | vd->scrreg_nrows = vd->nrows; |
328 | if (vd->tabs) { |
329 | memset(vd->tabs, 0, vd->ncols); |
330 | for (i = 8; i < vd->ncols; i += 8) |
331 | vd->tabs[i] = 1; |
332 | } |
333 | vd->dcspos = 0; |
334 | vd->dcstype = 0; |
335 | edp->chartab_G[0] = 0; |
336 | edp->chartab_G[1] = edp->nrctab; /* ??? */ |
337 | edp->chartab_G[2] = edp->isolatin1tab; |
338 | edp->chartab_G[3] = edp->isolatin1tab; |
339 | edp->chartab0 = 0; |
340 | edp->chartab1 = 2; |
341 | edp->sschartab = 0; |
342 | } |
343 | |
344 | /* |
345 | * now all the state machine bits |
346 | */ |
347 | |
348 | /* |
349 | * Move the cursor to the next line if possible. If the cursor is at |
350 | * the bottom of the scroll area, then scroll it up. If the cursor is |
351 | * at the bottom of the screen then don't move it down. |
352 | */ |
353 | static void |
354 | wsemul_vt100_nextline(struct wsemul_vt100_emuldata *edp) |
355 | { |
356 | struct vt100base_data *vd = &edp->bd; |
357 | |
358 | if (ROWS_BELOW(vd) == 0) { |
359 | /* Bottom of the scroll region. */ |
360 | wsemul_vt100_scrollup(vd, 1); |
361 | } else { |
362 | if ((vd->crow+1) < vd->nrows) |
363 | /* Cursor not at the bottom of the screen. */ |
364 | vd->crow++; |
365 | CHECK_DW(vd); |
366 | } |
367 | } |
368 | |
369 | static void |
370 | wsemul_vt100_output_normal(struct wsemul_vt100_emuldata *edp, u_char c, |
371 | int kernel) |
372 | { |
373 | struct vt100base_data *vd = &edp->bd; |
374 | u_int *ct, dc; |
375 | |
376 | if ((vd->flags & (VTFL_LASTCHAR | VTFL_DECAWM)) == |
377 | (VTFL_LASTCHAR | VTFL_DECAWM)) { |
378 | wsemul_vt100_nextline(edp); |
379 | vd->ccol = 0; |
380 | vd->flags &= ~VTFL_LASTCHAR; |
381 | } |
382 | |
383 | if (c & 0x80) { |
384 | c &= 0x7f; |
385 | ct = edp->chartab_G[edp->chartab1]; |
386 | } else { |
387 | if (edp->sschartab) { |
388 | ct = edp->chartab_G[edp->sschartab]; |
389 | edp->sschartab = 0; |
390 | } else |
391 | ct = edp->chartab_G[edp->chartab0]; |
392 | } |
393 | dc = (ct ? ct[c] : c); |
394 | |
395 | if ((vd->flags & VTFL_INSERTMODE) && COLS_LEFT(vd)) |
396 | COPYCOLS(vd, vd->ccol, vd->ccol + 1, COLS_LEFT(vd)); |
397 | |
398 | (*vd->emulops->putchar)(vd->emulcookie, vd->crow, |
399 | vd->ccol << vd->dw, dc, |
400 | kernel ? edp->kernattr : vd->curattr); |
401 | |
402 | if (COLS_LEFT(vd)) |
403 | vd->ccol++; |
404 | else |
405 | vd->flags |= VTFL_LASTCHAR; |
406 | } |
407 | |
408 | static void |
409 | wsemul_vt100_output_c0c1(struct wsemul_vt100_emuldata *edp, u_char c, |
410 | int kernel) |
411 | { |
412 | struct vt100base_data *vd = &edp->bd; |
413 | u_int n; |
414 | |
415 | switch (c) { |
416 | case ASCII_NUL: |
417 | default: |
418 | /* ignore */ |
419 | break; |
420 | case ASCII_BEL: |
421 | wsdisplay_emulbell(vd->cbcookie); |
422 | break; |
423 | case ASCII_BS: |
424 | if (vd->ccol > 0) { |
425 | vd->ccol--; |
426 | vd->flags &= ~VTFL_LASTCHAR; |
427 | } |
428 | break; |
429 | case ASCII_CR: |
430 | vd->ccol = 0; |
431 | vd->flags &= ~VTFL_LASTCHAR; |
432 | break; |
433 | case ASCII_HT: |
434 | if (vd->tabs) { |
435 | if (!COLS_LEFT(vd)) |
436 | break; |
437 | for (n = vd->ccol + 1; n < NCOLS(vd) - 1; n++) |
438 | if (vd->tabs[n]) |
439 | break; |
440 | } else { |
441 | n = vd->ccol + min(8 - (vd->ccol & 7), COLS_LEFT(vd)); |
442 | } |
443 | vd->ccol = n; |
444 | break; |
445 | case ASCII_SO: /* LS1 */ |
446 | edp->chartab0 = 1; |
447 | break; |
448 | case ASCII_SI: /* LS0 */ |
449 | edp->chartab0 = 0; |
450 | break; |
451 | case ASCII_ESC: |
452 | if (kernel) { |
453 | printf("wsemul_vt100_output_c0c1: ESC in kernel output ignored\n" ); |
454 | break; /* ignore the ESC */ |
455 | } |
456 | |
457 | if (edp->state == VT100_EMUL_STATE_STRING) { |
458 | /* might be a string end */ |
459 | edp->state = VT100_EMUL_STATE_STRING_ESC; |
460 | } else { |
461 | /* XXX cancel current escape sequence */ |
462 | edp->state = VT100_EMUL_STATE_ESC; |
463 | } |
464 | break; |
465 | #if 0 |
466 | case CSI: /* 8-bit */ |
467 | /* XXX cancel current escape sequence */ |
468 | edp->nargs = 0; |
469 | memset(edp->args, 0, sizeof (edp->args)); |
470 | edp->modif1 = edp->modif2 = '\0'; |
471 | edp->state = VT100_EMUL_STATE_CSI; |
472 | break; |
473 | case DCS: /* 8-bit */ |
474 | /* XXX cancel current escape sequence */ |
475 | edp->nargs = 0; |
476 | memset(edp->args, 0, sizeof (edp->args)); |
477 | edp->state = VT100_EMUL_STATE_DCS; |
478 | break; |
479 | case ST: /* string end 8-bit */ |
480 | /* XXX only in VT100_EMUL_STATE_STRING */ |
481 | wsemul_vt100_handle_dcs(edp); |
482 | return (VT100_EMUL_STATE_NORMAL); |
483 | #endif |
484 | case ASCII_LF: |
485 | case ASCII_VT: |
486 | case ASCII_FF: |
487 | wsemul_vt100_nextline(edp); |
488 | break; |
489 | } |
490 | } |
491 | |
492 | static u_int |
493 | wsemul_vt100_output_esc(struct wsemul_vt100_emuldata *edp, u_char c) |
494 | { |
495 | struct vt100base_data *vd = &edp->bd; |
496 | u_int newstate = VT100_EMUL_STATE_NORMAL; |
497 | int i; |
498 | |
499 | switch (c) { |
500 | case '[': /* CSI */ |
501 | vd->nargs = 0; |
502 | memset(vd->args, 0, sizeof (vd->args)); |
503 | vd->modif1 = vd->modif2 = '\0'; |
504 | newstate = VT100_EMUL_STATE_CSI; |
505 | break; |
506 | case '7': /* DECSC */ |
507 | vd->flags |= VTFL_SAVEDCURS; |
508 | edp->savedcursor_row = vd->crow; |
509 | edp->savedcursor_col = vd->ccol; |
510 | edp->savedattr = vd->curattr; |
511 | edp->savedbkgdattr = vd->bkgdattr; |
512 | edp->savedattrflags = vd->attrflags; |
513 | edp->savedfgcol = vd->fgcol; |
514 | edp->savedbgcol = vd->bgcol; |
515 | for (i = 0; i < 4; i++) |
516 | edp->savedchartab_G[i] = edp->chartab_G[i]; |
517 | edp->savedchartab0 = edp->chartab0; |
518 | edp->savedchartab1 = edp->chartab1; |
519 | break; |
520 | case '8': /* DECRC */ |
521 | if ((vd->flags & VTFL_SAVEDCURS) == 0) |
522 | break; |
523 | vd->crow = edp->savedcursor_row; |
524 | vd->ccol = edp->savedcursor_col; |
525 | vd->curattr = edp->savedattr; |
526 | vd->bkgdattr = edp->savedbkgdattr; |
527 | vd->attrflags = edp->savedattrflags; |
528 | vd->fgcol = edp->savedfgcol; |
529 | vd->bgcol = edp->savedbgcol; |
530 | for (i = 0; i < 4; i++) |
531 | edp->chartab_G[i] = edp->savedchartab_G[i]; |
532 | edp->chartab0 = edp->savedchartab0; |
533 | edp->chartab1 = edp->savedchartab1; |
534 | break; |
535 | case '=': /* DECKPAM application mode */ |
536 | vd->flags |= VTFL_APPLKEYPAD; |
537 | break; |
538 | case '>': /* DECKPNM numeric mode */ |
539 | vd->flags &= ~VTFL_APPLKEYPAD; |
540 | break; |
541 | case 'E': /* NEL */ |
542 | vd->ccol = 0; |
543 | /* FALLTHRU */ |
544 | case 'D': /* IND */ |
545 | wsemul_vt100_nextline(edp); |
546 | break; |
547 | case 'H': /* HTS */ |
548 | KASSERT(vd->tabs != 0); |
549 | vd->tabs[vd->ccol] = 1; |
550 | break; |
551 | case '~': /* LS1R */ |
552 | edp->chartab1 = 1; |
553 | break; |
554 | case 'n': /* LS2 */ |
555 | edp->chartab0 = 2; |
556 | break; |
557 | case '}': /* LS2R */ |
558 | edp->chartab1 = 2; |
559 | break; |
560 | case 'o': /* LS3 */ |
561 | edp->chartab0 = 3; |
562 | break; |
563 | case '|': /* LS3R */ |
564 | edp->chartab1 = 3; |
565 | break; |
566 | case 'N': /* SS2 */ |
567 | edp->sschartab = 2; |
568 | break; |
569 | case 'O': /* SS3 */ |
570 | edp->sschartab = 3; |
571 | break; |
572 | case 'M': /* RI */ |
573 | if (ROWS_ABOVE(vd) > 0) { |
574 | vd->crow--; |
575 | CHECK_DW(vd); |
576 | break; |
577 | } |
578 | wsemul_vt100_scrolldown(vd, 1); |
579 | break; |
580 | case 'P': /* DCS */ |
581 | vd->nargs = 0; |
582 | memset(vd->args, 0, sizeof (vd->args)); |
583 | newstate = VT100_EMUL_STATE_DCS; |
584 | break; |
585 | case 'c': /* RIS */ |
586 | wsemul_vt100_reset(edp); |
587 | wsemul_vt100_ed(vd, 2); |
588 | vd->ccol = vd->crow = 0; |
589 | break; |
590 | case '(': case ')': case '*': case '+': /* SCS */ |
591 | edp->designating = c - '('; |
592 | newstate = VT100_EMUL_STATE_SCS94; |
593 | break; |
594 | case '-': case '.': case '/': /* SCS */ |
595 | edp->designating = c - '-' + 1; |
596 | newstate = VT100_EMUL_STATE_SCS96; |
597 | break; |
598 | case '#': |
599 | newstate = VT100_EMUL_STATE_ESC_HASH; |
600 | break; |
601 | case ' ': /* 7/8 bit */ |
602 | newstate = VT100_EMUL_STATE_ESC_SPC; |
603 | break; |
604 | case ']': /* OSC operating system command */ |
605 | case '^': /* PM privacy message */ |
606 | case '_': /* APC application program command */ |
607 | /* ignored */ |
608 | newstate = VT100_EMUL_STATE_STRING; |
609 | break; |
610 | case '<': /* exit VT52 mode - ignored */ |
611 | break; |
612 | default: |
613 | #ifdef VT100_PRINTUNKNOWN |
614 | printf("ESC%c unknown\n" , c); |
615 | #endif |
616 | break; |
617 | } |
618 | |
619 | return (newstate); |
620 | } |
621 | |
622 | static u_int |
623 | wsemul_vt100_output_scs94(struct wsemul_vt100_emuldata *edp, u_char c) |
624 | { |
625 | u_int newstate = VT100_EMUL_STATE_NORMAL; |
626 | |
627 | switch (c) { |
628 | case '%': /* probably DEC supplemental graphic */ |
629 | newstate = VT100_EMUL_STATE_SCS94_PERCENT; |
630 | break; |
631 | case 'A': /* british / national */ |
632 | edp->chartab_G[edp->designating] = edp->nrctab; |
633 | break; |
634 | case 'B': /* ASCII */ |
635 | edp->chartab_G[edp->designating] = 0; |
636 | break; |
637 | case '<': /* user preferred supplemental */ |
638 | /* XXX not really "user" preferred */ |
639 | edp->chartab_G[edp->designating] = edp->isolatin1tab; |
640 | break; |
641 | case '0': /* DEC special graphic */ |
642 | edp->chartab_G[edp->designating] = edp->decgraphtab; |
643 | break; |
644 | case '>': /* DEC tech */ |
645 | edp->chartab_G[edp->designating] = edp->dectechtab; |
646 | break; |
647 | default: |
648 | #ifdef VT100_PRINTUNKNOWN |
649 | printf("ESC%c%c unknown\n" , edp->designating + '(', c); |
650 | #endif |
651 | break; |
652 | } |
653 | return (newstate); |
654 | } |
655 | |
656 | static u_int |
657 | wsemul_vt100_output_scs94_percent(struct wsemul_vt100_emuldata *edp, u_char c) |
658 | { |
659 | switch (c) { |
660 | case '5': /* DEC supplemental graphic */ |
661 | /* XXX there are differences */ |
662 | edp->chartab_G[edp->designating] = edp->isolatin1tab; |
663 | break; |
664 | default: |
665 | #ifdef VT100_PRINTUNKNOWN |
666 | printf("ESC%c%%%c unknown\n" , edp->designating + '(', c); |
667 | #endif |
668 | break; |
669 | } |
670 | return (VT100_EMUL_STATE_NORMAL); |
671 | } |
672 | |
673 | static u_int |
674 | wsemul_vt100_output_scs96(struct wsemul_vt100_emuldata *edp, u_char c) |
675 | { |
676 | u_int newstate = VT100_EMUL_STATE_NORMAL; |
677 | int nrc; |
678 | |
679 | switch (c) { |
680 | case '%': /* probably portuguese */ |
681 | newstate = VT100_EMUL_STATE_SCS96_PERCENT; |
682 | break; |
683 | case 'A': /* ISO-latin-1 supplemental */ |
684 | edp->chartab_G[edp->designating] = edp->isolatin1tab; |
685 | break; |
686 | case '4': /* dutch */ |
687 | nrc = 1; |
688 | goto setnrc; |
689 | case '5': case 'C': /* finnish */ |
690 | nrc = 2; |
691 | goto setnrc; |
692 | case 'R': /* french */ |
693 | nrc = 3; |
694 | goto setnrc; |
695 | case 'Q': /* french canadian */ |
696 | nrc = 4; |
697 | goto setnrc; |
698 | case 'K': /* german */ |
699 | nrc = 5; |
700 | goto setnrc; |
701 | case 'Y': /* italian */ |
702 | nrc = 6; |
703 | goto setnrc; |
704 | case 'E': case '6': /* norwegian / danish */ |
705 | nrc = 7; |
706 | goto setnrc; |
707 | case 'Z': /* spanish */ |
708 | nrc = 9; |
709 | goto setnrc; |
710 | case '7': case 'H': /* swedish */ |
711 | nrc = 10; |
712 | goto setnrc; |
713 | case '=': /* swiss */ |
714 | nrc = 11; |
715 | setnrc: |
716 | vt100_setnrc(edp, nrc); /* what table ??? */ |
717 | break; |
718 | default: |
719 | #ifdef VT100_PRINTUNKNOWN |
720 | printf("ESC%c%c unknown\n" , edp->designating + '-' - 1, c); |
721 | #endif |
722 | break; |
723 | } |
724 | return (newstate); |
725 | } |
726 | |
727 | static u_int |
728 | wsemul_vt100_output_scs96_percent(struct wsemul_vt100_emuldata *edp, u_char c) |
729 | { |
730 | switch (c) { |
731 | case '6': /* portuguese */ |
732 | vt100_setnrc(edp, 8); |
733 | break; |
734 | default: |
735 | #ifdef VT100_PRINTUNKNOWN |
736 | printf("ESC%c%%%c unknown\n" , edp->designating + '-', c); |
737 | #endif |
738 | break; |
739 | } |
740 | return (VT100_EMUL_STATE_NORMAL); |
741 | } |
742 | |
743 | static u_int |
744 | wsemul_vt100_output_esc_spc(struct wsemul_vt100_emuldata *edp, |
745 | u_char c) |
746 | { |
747 | switch (c) { |
748 | case 'F': /* 7-bit controls */ |
749 | case 'G': /* 8-bit controls */ |
750 | #ifdef VT100_PRINTNOTIMPL |
751 | printf("ESC<SPC>%c ignored\n" , c); |
752 | #endif |
753 | break; |
754 | default: |
755 | #ifdef VT100_PRINTUNKNOWN |
756 | printf("ESC<SPC>%c unknown\n" , c); |
757 | #endif |
758 | break; |
759 | } |
760 | return (VT100_EMUL_STATE_NORMAL); |
761 | } |
762 | |
763 | static u_int |
764 | wsemul_vt100_output_string(struct wsemul_vt100_emuldata *edp, u_char c) |
765 | { |
766 | struct vt100base_data *vd = &edp->bd; |
767 | |
768 | if (vd->dcstype && vd->dcspos < DCS_MAXLEN) |
769 | vd->dcsarg[vd->dcspos++] = c; |
770 | return (VT100_EMUL_STATE_STRING); |
771 | } |
772 | |
773 | static u_int |
774 | wsemul_vt100_output_string_esc(struct wsemul_vt100_emuldata *edp, u_char c) |
775 | { |
776 | struct vt100base_data *vd = &edp->bd; |
777 | |
778 | if (c == '\\') { /* ST complete */ |
779 | wsemul_vt100_handle_dcs(vd); |
780 | return (VT100_EMUL_STATE_NORMAL); |
781 | } else |
782 | return (VT100_EMUL_STATE_STRING); |
783 | } |
784 | |
785 | static u_int |
786 | wsemul_vt100_output_dcs(struct wsemul_vt100_emuldata *edp, u_char c) |
787 | { |
788 | struct vt100base_data *vd = &edp->bd; |
789 | u_int newstate = VT100_EMUL_STATE_DCS; |
790 | |
791 | switch (c) { |
792 | case '0': case '1': case '2': case '3': case '4': |
793 | case '5': case '6': case '7': case '8': case '9': |
794 | /* argument digit */ |
795 | if (vd->nargs > VT100_EMUL_NARGS - 1) |
796 | break; |
797 | vd->args[vd->nargs] = (vd->args[vd->nargs] * 10) + |
798 | (c - '0'); |
799 | break; |
800 | case ';': /* argument terminator */ |
801 | vd->nargs++; |
802 | break; |
803 | default: |
804 | vd->nargs++; |
805 | if (vd->nargs > VT100_EMUL_NARGS) { |
806 | #ifdef VT100_DEBUG |
807 | printf("vt100: too many arguments\n" ); |
808 | #endif |
809 | vd->nargs = VT100_EMUL_NARGS; |
810 | } |
811 | newstate = VT100_EMUL_STATE_STRING; |
812 | switch (c) { |
813 | case '$': |
814 | newstate = VT100_EMUL_STATE_DCS_DOLLAR; |
815 | break; |
816 | case '{': /* DECDLD soft charset */ |
817 | case '!': /* DECRQUPSS user preferred supplemental set */ |
818 | /* 'u' must follow - need another state */ |
819 | case '|': /* DECUDK program F6..F20 */ |
820 | #ifdef VT100_PRINTNOTIMPL |
821 | printf("DCS%c ignored\n" , c); |
822 | #endif |
823 | break; |
824 | default: |
825 | #ifdef VT100_PRINTUNKNOWN |
826 | printf("DCS%c (%d, %d) unknown\n" , c, ARG(vd, 0), ARG(vd, 1)); |
827 | #endif |
828 | break; |
829 | } |
830 | } |
831 | |
832 | return (newstate); |
833 | } |
834 | |
835 | static u_int |
836 | wsemul_vt100_output_dcs_dollar(struct wsemul_vt100_emuldata *edp, u_char c) |
837 | { |
838 | struct vt100base_data *vd = &edp->bd; |
839 | |
840 | switch (c) { |
841 | case 'p': /* DECRSTS terminal state restore */ |
842 | case 'q': /* DECRQSS control function request */ |
843 | #ifdef VT100_PRINTNOTIMPL |
844 | printf("DCS$%c ignored\n" , c); |
845 | #endif |
846 | break; |
847 | case 't': /* DECRSPS restore presentation state */ |
848 | switch (ARG(vd, 0)) { |
849 | case 0: /* error */ |
850 | break; |
851 | case 1: /* cursor information restore */ |
852 | #ifdef VT100_PRINTNOTIMPL |
853 | printf("DCS1$t ignored\n" ); |
854 | #endif |
855 | break; |
856 | case 2: /* tab stop restore */ |
857 | vd->dcspos = 0; |
858 | vd->dcstype = DCSTYPE_TABRESTORE; |
859 | break; |
860 | default: |
861 | #ifdef VT100_PRINTUNKNOWN |
862 | printf("DCS%d$t unknown\n" , ARG(vd, 0)); |
863 | #endif |
864 | break; |
865 | } |
866 | break; |
867 | default: |
868 | #ifdef VT100_PRINTUNKNOWN |
869 | printf("DCS$%c (%d, %d) unknown\n" , c, ARG(vd, 0), ARG(vd, 1)); |
870 | #endif |
871 | break; |
872 | } |
873 | return (VT100_EMUL_STATE_STRING); |
874 | } |
875 | |
876 | static u_int |
877 | wsemul_vt100_output_esc_hash(struct wsemul_vt100_emuldata *edp, u_char c) |
878 | { |
879 | struct vt100base_data *vd = &edp->bd; |
880 | int i, j; |
881 | |
882 | switch (c) { |
883 | case '5': /* DECSWL single width, single height */ |
884 | if (vd->dw) { |
885 | for (i = 0; i < vd->ncols / 2; i++) |
886 | (*vd->emulops->copycols)(vd->emulcookie, |
887 | vd->crow, |
888 | 2 * i, i, 1); |
889 | (*vd->emulops->erasecols)(vd->emulcookie, vd->crow, |
890 | i, vd->ncols - i, |
891 | vd->bkgdattr); |
892 | vd->dblwid[vd->crow] = 0; |
893 | vd->dw = 0; |
894 | } |
895 | break; |
896 | case '6': /* DECDWL double width, single height */ |
897 | case '3': /* DECDHL double width, double height, top half */ |
898 | case '4': /* DECDHL double width, double height, bottom half */ |
899 | if (!vd->dw) { |
900 | for (i = vd->ncols / 2 - 1; i >= 0; i--) |
901 | (*vd->emulops->copycols)(vd->emulcookie, |
902 | vd->crow, |
903 | i, 2 * i, 1); |
904 | for (i = 0; i < vd->ncols / 2; i++) |
905 | (*vd->emulops->erasecols)(vd->emulcookie, |
906 | vd->crow, |
907 | 2 * i + 1, 1, |
908 | vd->bkgdattr); |
909 | vd->dblwid[vd->crow] = 1; |
910 | vd->dw = 1; |
911 | if (vd->ccol > (vd->ncols >> 1) - 1) |
912 | vd->ccol = (vd->ncols >> 1) - 1; |
913 | } |
914 | break; |
915 | case '8': /* DECALN */ |
916 | for (i = 0; i < vd->nrows; i++) |
917 | for (j = 0; j < vd->ncols; j++) |
918 | (*vd->emulops->putchar)(vd->emulcookie, i, j, |
919 | 'E', vd->curattr); |
920 | vd->ccol = 0; |
921 | vd->crow = 0; |
922 | break; |
923 | default: |
924 | #ifdef VT100_PRINTUNKNOWN |
925 | printf("ESC#%c unknown\n" , c); |
926 | #endif |
927 | break; |
928 | } |
929 | return (VT100_EMUL_STATE_NORMAL); |
930 | } |
931 | |
932 | static u_int |
933 | wsemul_vt100_output_csi(struct wsemul_vt100_emuldata *edp, u_char c) |
934 | { |
935 | struct vt100base_data *vd = &edp->bd; |
936 | u_int newstate = VT100_EMUL_STATE_CSI; |
937 | |
938 | switch (c) { |
939 | case '0': case '1': case '2': case '3': case '4': |
940 | case '5': case '6': case '7': case '8': case '9': |
941 | /* argument digit */ |
942 | if (vd->nargs > VT100_EMUL_NARGS - 1) |
943 | break; |
944 | vd->args[vd->nargs] = (vd->args[vd->nargs] * 10) + |
945 | (c - '0'); |
946 | break; |
947 | case ';': /* argument terminator */ |
948 | vd->nargs++; |
949 | break; |
950 | case '?': /* DEC specific */ |
951 | case '>': /* DA query */ |
952 | vd->modif1 = c; |
953 | break; |
954 | case '!': |
955 | case '"': |
956 | case '$': |
957 | case '&': |
958 | vd->modif2 = c; |
959 | break; |
960 | default: /* end of escape sequence */ |
961 | vd->nargs++; |
962 | if (vd->nargs > VT100_EMUL_NARGS) { |
963 | #ifdef VT100_DEBUG |
964 | printf("vt100: too many arguments\n" ); |
965 | #endif |
966 | vd->nargs = VT100_EMUL_NARGS; |
967 | } |
968 | wsemul_vt100_handle_csi(vd, c); |
969 | newstate = VT100_EMUL_STATE_NORMAL; |
970 | break; |
971 | } |
972 | return (newstate); |
973 | } |
974 | |
975 | void |
976 | wsemul_vt100_output(void *cookie, const u_char *data, u_int count, int kernel) |
977 | { |
978 | struct wsemul_vt100_emuldata *edp = cookie; |
979 | struct vt100base_data *vd = &edp->bd; |
980 | |
981 | #ifdef DIAGNOSTIC |
982 | if (kernel && !edp->console) |
983 | panic("wsemul_vt100_output: kernel output, not console" ); |
984 | #endif |
985 | |
986 | if (vd->flags & VTFL_CURSORON) |
987 | (*vd->emulops->cursor)(vd->emulcookie, 0, |
988 | vd->crow, vd->ccol << vd->dw); |
989 | for (; count > 0; data++, count--) { |
990 | if ((*data & 0x7f) < 0x20) { |
991 | wsemul_vt100_output_c0c1(edp, *data, kernel); |
992 | continue; |
993 | } |
994 | if (edp->state == VT100_EMUL_STATE_NORMAL || kernel) { |
995 | wsemul_vt100_output_normal(edp, *data, kernel); |
996 | continue; |
997 | } |
998 | #ifdef DIAGNOSTIC |
999 | if (edp->state > sizeof(vt100_output) / sizeof(vt100_output[0])) |
1000 | panic("wsemul_vt100: invalid state %d" , edp->state); |
1001 | #endif |
1002 | edp->state = vt100_output[edp->state - 1](edp, *data); |
1003 | } |
1004 | if (vd->flags & VTFL_CURSORON) |
1005 | (*vd->emulops->cursor)(vd->emulcookie, 1, |
1006 | vd->crow, vd->ccol << vd->dw); |
1007 | } |
1008 | |
1009 | #ifdef WSDISPLAY_CUSTOM_OUTPUT |
1010 | static void |
1011 | wsemul_vt100_getmsgattrs(void *cookie, struct wsdisplay_msgattrs *ma) |
1012 | { |
1013 | struct wsemul_vt100_emuldata *edp = cookie; |
1014 | struct vt100base_data *vd = &edp->bd; |
1015 | |
1016 | *ma = vd->msgattrs; |
1017 | } |
1018 | |
1019 | static void |
1020 | wsemul_vt100_setmsgattrs(void *cookie, const struct wsscreen_descr *type, |
1021 | const struct wsdisplay_msgattrs *ma) |
1022 | { |
1023 | int error; |
1024 | long tmp; |
1025 | struct wsemul_vt100_emuldata *edp = cookie; |
1026 | struct vt100base_data *vd = &edp->bd; |
1027 | |
1028 | vd->msgattrs = *ma; |
1029 | if (type->capabilities & WSSCREEN_WSCOLORS) { |
1030 | vd->msgattrs.default_attrs |= WSATTR_WSCOLORS; |
1031 | vd->msgattrs.kernel_attrs |= WSATTR_WSCOLORS; |
1032 | } else { |
1033 | vd->msgattrs.default_bg = vd->msgattrs.kernel_bg = 0; |
1034 | vd->msgattrs.default_fg = vd->msgattrs.kernel_fg = 0; |
1035 | } |
1036 | |
1037 | error = (*vd->emulops->allocattr)(vd->emulcookie, |
1038 | vd->msgattrs.default_fg, |
1039 | vd->msgattrs.default_bg, |
1040 | vd->msgattrs.default_attrs, |
1041 | &tmp); |
1042 | #ifndef VT100_DEBUG |
1043 | __USE(error); |
1044 | #else |
1045 | if (error) |
1046 | printf("vt100: failed to allocate attribute for default " |
1047 | "messages\n" ); |
1048 | else |
1049 | #endif |
1050 | { |
1051 | if (vd->curattr == vd->defattr) { |
1052 | vd->bkgdattr = vd->curattr = tmp; |
1053 | vd->attrflags = vd->msgattrs.default_attrs; |
1054 | vd->bgcol = vd->msgattrs.default_bg; |
1055 | vd->fgcol = vd->msgattrs.default_fg; |
1056 | } else { |
1057 | edp->savedbkgdattr = edp->savedattr = tmp; |
1058 | edp->savedattrflags = vd->msgattrs.default_attrs; |
1059 | edp->savedbgcol = vd->msgattrs.default_bg; |
1060 | edp->savedfgcol = vd->msgattrs.default_fg; |
1061 | } |
1062 | if (vd->emulops->replaceattr != NULL) |
1063 | (*vd->emulops->replaceattr)(vd->emulcookie, |
1064 | vd->defattr, tmp); |
1065 | vd->defattr = tmp; |
1066 | } |
1067 | |
1068 | error = (*vd->emulops->allocattr)(vd->emulcookie, |
1069 | vd->msgattrs.kernel_fg, |
1070 | vd->msgattrs.kernel_bg, |
1071 | vd->msgattrs.kernel_attrs, |
1072 | &tmp); |
1073 | #ifdef VT100_DEBUG |
1074 | if (error) |
1075 | printf("vt100: failed to allocate attribute for kernel " |
1076 | "messages\n" ); |
1077 | else |
1078 | #endif |
1079 | { |
1080 | if (vd->emulops->replaceattr != NULL) |
1081 | (*vd->emulops->replaceattr)(vd->emulcookie, |
1082 | edp->kernattr, tmp); |
1083 | edp->kernattr = tmp; |
1084 | } |
1085 | } |
1086 | #endif /* WSDISPLAY_CUSTOM_OUTPUT */ |
1087 | |