xref: /netbsd-src/sys/dev/wscons/wskbdutil.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: wskbdutil.c,v 1.7 1999/12/21 11:59:13 drochner Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Juergen Hannken-Illjes.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/param.h>
40 #include <sys/types.h>
41 #include <sys/cdefs.h>
42 #include <sys/errno.h>
43 #include <sys/systm.h>
44 #include <sys/malloc.h>
45 #include <dev/wscons/wsksymdef.h>
46 #include <dev/wscons/wsksymvar.h>
47 
48 static struct compose_tab_s {
49 	keysym_t elem[2];
50 	keysym_t result;
51 } compose_tab[] = {
52 	{ { KS_plus,			KS_plus },		KS_numbersign },
53 	{ { KS_a,			KS_a },			KS_at },
54 	{ { KS_parenleft,		KS_parenleft },		KS_bracketleft },
55 	{ { KS_slash,			KS_slash },		KS_backslash },
56 	{ { KS_parenright,		KS_parenright },	KS_bracketright },
57 	{ { KS_parenleft,		KS_minus },		KS_braceleft },
58 	{ { KS_slash,			KS_minus },		KS_bar },
59 	{ { KS_parenright,		KS_minus },		KS_braceright },
60 	{ { KS_exclam,			KS_exclam },		KS_exclamdown },
61 	{ { KS_c,			KS_slash },		KS_cent },
62 	{ { KS_l,			KS_minus },		KS_sterling },
63 	{ { KS_y,			KS_minus },		KS_yen },
64 	{ { KS_s,			KS_o },			KS_section },
65 	{ { KS_x,			KS_o },			KS_currency },
66 	{ { KS_c,			KS_o },			KS_copyright },
67 	{ { KS_less,			KS_less },		KS_guillemotleft },
68 	{ { KS_greater,			KS_greater },		KS_guillemotright },
69 	{ { KS_question,		KS_question },		KS_questiondown },
70 	{ { KS_dead_acute,		KS_space },		KS_acute },
71 	{ { KS_dead_grave,		KS_space },		KS_grave },
72 	{ { KS_dead_tilde,		KS_space },		KS_asciitilde },
73 	{ { KS_dead_circumflex,		KS_space },		KS_asciicircum },
74 	{ { KS_dead_circumflex,		KS_A },			KS_Acircumflex },
75 	{ { KS_dead_diaeresis,		KS_A },			KS_Adiaeresis },
76 	{ { KS_dead_grave,		KS_A },			KS_Agrave },
77 	{ { KS_dead_abovering,		KS_A },			KS_Aring },
78 	{ { KS_dead_tilde,		KS_A },			KS_Atilde },
79 	{ { KS_dead_cedilla,		KS_C },			KS_Ccedilla },
80 	{ { KS_dead_acute,		KS_E },			KS_Eacute },
81 	{ { KS_dead_circumflex,		KS_E },			KS_Ecircumflex },
82 	{ { KS_dead_diaeresis,		KS_E },			KS_Ediaeresis },
83 	{ { KS_dead_grave,		KS_E },			KS_Egrave },
84 	{ { KS_dead_acute,		KS_I },			KS_Iacute },
85 	{ { KS_dead_circumflex,		KS_I },			KS_Icircumflex },
86 	{ { KS_dead_diaeresis,		KS_I },			KS_Idiaeresis },
87 	{ { KS_dead_grave,		KS_I },			KS_Igrave },
88 	{ { KS_dead_tilde,		KS_N },			KS_Ntilde },
89 	{ { KS_dead_acute,		KS_O },			KS_Oacute },
90 	{ { KS_dead_circumflex,		KS_O },			KS_Ocircumflex },
91 	{ { KS_dead_diaeresis,		KS_O },			KS_Odiaeresis },
92 	{ { KS_dead_grave,		KS_O },			KS_Ograve },
93 	{ { KS_dead_tilde,		KS_O },			KS_Otilde },
94 	{ { KS_dead_acute,		KS_U },			KS_Uacute },
95 	{ { KS_dead_circumflex,		KS_U },			KS_Ucircumflex },
96 	{ { KS_dead_diaeresis,		KS_U },			KS_Udiaeresis },
97 	{ { KS_dead_grave,		KS_U },			KS_Ugrave },
98 	{ { KS_dead_acute,		KS_Y },			KS_Yacute },
99 	{ { KS_dead_acute,		KS_a },			KS_aacute },
100 	{ { KS_dead_circumflex,		KS_a },			KS_acircumflex },
101 	{ { KS_dead_diaeresis,		KS_a },			KS_adiaeresis },
102 	{ { KS_dead_grave,		KS_a },			KS_agrave },
103 	{ { KS_dead_abovering,		KS_a },			KS_aring },
104 	{ { KS_dead_tilde,		KS_a },			KS_atilde },
105 	{ { KS_dead_cedilla,		KS_c },			KS_ccedilla },
106 	{ { KS_dead_acute,		KS_e },			KS_eacute },
107 	{ { KS_dead_circumflex,		KS_e },			KS_ecircumflex },
108 	{ { KS_dead_diaeresis,		KS_e },			KS_ediaeresis },
109 	{ { KS_dead_grave,		KS_e },			KS_egrave },
110 	{ { KS_dead_acute,		KS_i },			KS_iacute },
111 	{ { KS_dead_circumflex,		KS_i },			KS_icircumflex },
112 	{ { KS_dead_diaeresis,		KS_i },			KS_idiaeresis },
113 	{ { KS_dead_grave,		KS_i },			KS_igrave },
114 	{ { KS_dead_tilde,		KS_n },			KS_ntilde },
115 	{ { KS_dead_acute,		KS_o },			KS_oacute },
116 	{ { KS_dead_circumflex,		KS_o },			KS_ocircumflex },
117 	{ { KS_dead_diaeresis,		KS_o },			KS_odiaeresis },
118 	{ { KS_dead_grave,		KS_o },			KS_ograve },
119 	{ { KS_dead_tilde,		KS_o },			KS_otilde },
120 	{ { KS_dead_acute,		KS_u },			KS_uacute },
121 	{ { KS_dead_circumflex,		KS_u },			KS_ucircumflex },
122 	{ { KS_dead_diaeresis,		KS_u },			KS_udiaeresis },
123 	{ { KS_dead_grave,		KS_u },			KS_ugrave },
124 	{ { KS_dead_acute,		KS_y },			KS_yacute },
125 	{ { KS_dead_diaeresis,		KS_y },			KS_ydiaeresis },
126 	{ { KS_quotedbl,		KS_A },			KS_Adiaeresis },
127 	{ { KS_quotedbl,		KS_E },			KS_Ediaeresis },
128 	{ { KS_quotedbl,		KS_I },			KS_Idiaeresis },
129 	{ { KS_quotedbl,		KS_O },			KS_Odiaeresis },
130 	{ { KS_quotedbl,		KS_U },			KS_Udiaeresis },
131 	{ { KS_quotedbl,		KS_a },			KS_adiaeresis },
132 	{ { KS_quotedbl,		KS_e },			KS_ediaeresis },
133 	{ { KS_quotedbl,		KS_i },			KS_idiaeresis },
134 	{ { KS_quotedbl,		KS_o },			KS_odiaeresis },
135 	{ { KS_quotedbl,		KS_u },			KS_udiaeresis },
136 	{ { KS_quotedbl,		KS_y },			KS_ydiaeresis },
137 	{ { KS_acute,			KS_A },			KS_Aacute },
138 	{ { KS_asciicircum,		KS_A },			KS_Acircumflex },
139 	{ { KS_grave,			KS_A },			KS_Agrave },
140 	{ { KS_asterisk,		KS_A },			KS_Aring },
141 	{ { KS_asciitilde,		KS_A },			KS_Atilde },
142 	{ { KS_cedilla,			KS_C },			KS_Ccedilla },
143 	{ { KS_acute,			KS_E },			KS_Eacute },
144 	{ { KS_asciicircum,		KS_E },			KS_Ecircumflex },
145 	{ { KS_grave,			KS_E },			KS_Egrave },
146 	{ { KS_acute,			KS_I },			KS_Iacute },
147 	{ { KS_asciicircum,		KS_I },			KS_Icircumflex },
148 	{ { KS_grave,			KS_I },			KS_Igrave },
149 	{ { KS_asciitilde,		KS_N },			KS_Ntilde },
150 	{ { KS_acute,			KS_O },			KS_Oacute },
151 	{ { KS_asciicircum,		KS_O },			KS_Ocircumflex },
152 	{ { KS_grave,			KS_O },			KS_Ograve },
153 	{ { KS_asciitilde,		KS_O },			KS_Otilde },
154 	{ { KS_acute,			KS_U },			KS_Uacute },
155 	{ { KS_asciicircum,		KS_U },			KS_Ucircumflex },
156 	{ { KS_grave,			KS_U },			KS_Ugrave },
157 	{ { KS_acute,			KS_Y },			KS_Yacute },
158 	{ { KS_acute,			KS_a },			KS_aacute },
159 	{ { KS_asciicircum,		KS_a },			KS_acircumflex },
160 	{ { KS_grave,			KS_a },			KS_agrave },
161 	{ { KS_asterisk,		KS_a },			KS_aring },
162 	{ { KS_asciitilde,		KS_a },			KS_atilde },
163 	{ { KS_cedilla,			KS_c },			KS_ccedilla },
164 	{ { KS_acute,			KS_e },			KS_eacute },
165 	{ { KS_asciicircum,		KS_e },			KS_ecircumflex },
166 	{ { KS_grave,			KS_e },			KS_egrave },
167 	{ { KS_acute,			KS_i },			KS_iacute },
168 	{ { KS_asciicircum,		KS_i },			KS_icircumflex },
169 	{ { KS_grave,			KS_i },			KS_igrave },
170 	{ { KS_asciitilde,		KS_n },			KS_ntilde },
171 	{ { KS_acute,			KS_o },			KS_oacute },
172 	{ { KS_asciicircum,		KS_o },			KS_ocircumflex },
173 	{ { KS_grave,			KS_o },			KS_ograve },
174 	{ { KS_asciitilde,		KS_o },			KS_otilde },
175 	{ { KS_acute,			KS_u },			KS_uacute },
176 	{ { KS_asciicircum,		KS_u },			KS_ucircumflex },
177 	{ { KS_grave,			KS_u },			KS_ugrave },
178 	{ { KS_acute,			KS_y },			KS_yacute }
179 };
180 
181 #define COMPOSE_SIZE	sizeof(compose_tab)/sizeof(compose_tab[0])
182 
183 static int compose_tab_inorder = 0;
184 
185 static inline int compose_tab_cmp __P((struct compose_tab_s *, struct compose_tab_s *));
186 static keysym_t ksym_upcase __P((keysym_t));
187 static void fillmapentry __P((const keysym_t *, int, struct wscons_keymap *));
188 
189 static inline int
190 compose_tab_cmp(i, j)
191 	struct compose_tab_s *i, *j;
192 {
193 	if (i->elem[0] == j->elem[0])
194 		return(i->elem[1] - j->elem[1]);
195 	else
196 		return(i->elem[0] - j->elem[0]);
197 }
198 
199 keysym_t
200 wskbd_compose_value(compose_buf)
201 	keysym_t *compose_buf;
202 {
203 	int i, j, r;
204 	struct compose_tab_s v;
205 
206 	if (! compose_tab_inorder) {
207 		/* Insertion sort. */
208 		for (i = 1; i < COMPOSE_SIZE; i++) {
209 			v = compose_tab[i];
210 			/* find correct slot, moving others up */
211 			for (j = i; --j >= 0 && compose_tab_cmp(& v, & compose_tab[j]) < 0; )
212 				compose_tab[j + 1] = compose_tab[j];
213 			compose_tab[j + 1] = v;
214 		}
215 		compose_tab_inorder = 1;
216 	}
217 
218 	for (j = 0, i = COMPOSE_SIZE; i != 0; i /= 2) {
219 		if (compose_tab[j + i/2].elem[0] == compose_buf[0]) {
220 			if (compose_tab[j + i/2].elem[1] == compose_buf[1])
221 				return(compose_tab[j + i/2].result);
222 			r = compose_tab[j + i/2].elem[1] < compose_buf[1];
223 		} else
224 			r = compose_tab[j + i/2].elem[0] < compose_buf[0];
225 		if (r) {
226 			j += i/2 + 1;
227 			i--;
228 		}
229 	}
230 
231 	return(KS_voidSymbol);
232 }
233 
234 static const u_char latin1_to_upper[256] = {
235 /*      0  8  1  9  2  a  3  b  4  c  5  d  6  e  7  f               */
236 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 0 */
237 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 0 */
238 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 1 */
239 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 1 */
240 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 2 */
241 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 2 */
242 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 3 */
243 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 3 */
244 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 4 */
245 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 4 */
246 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 5 */
247 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 5 */
248 	0x00,  'A',  'B',  'C',  'D',  'E',  'F',  'G',		/* 6 */
249 	 'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',		/* 6 */
250 	 'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',		/* 7 */
251 	 'X',  'Y',  'Z', 0x00, 0x00, 0x00, 0x00, 0x00,		/* 7 */
252 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 8 */
253 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 8 */
254 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 9 */
255 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 9 */
256 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* a */
257 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* a */
258 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* b */
259 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* b */
260 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* c */
261 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* c */
262 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* d */
263 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* d */
264 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,		/* e */
265 	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,		/* e */
266 	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0x00,		/* f */
267 	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0x00,		/* f */
268 };
269 
270 static keysym_t
271 ksym_upcase(ksym)
272 	keysym_t ksym;
273 {
274 	if (ksym >= KS_f1 && ksym <= KS_f20)
275 		return(KS_F1 - KS_f1 + ksym);
276 
277 	if (KS_GROUP(ksym) == KS_GROUP_Ascii && ksym <= 0xff &&
278 	    latin1_to_upper[ksym] != 0x00)
279 		return(latin1_to_upper[ksym]);
280 
281 	return(ksym);
282 }
283 
284 static void
285 fillmapentry(kp, len, mapentry)
286 	const keysym_t *kp;
287 	int len;
288 	struct wscons_keymap *mapentry;
289 {
290 	switch (len) {
291 	case 0:
292 		mapentry->group1[0] = KS_voidSymbol;
293 		mapentry->group1[1] = KS_voidSymbol;
294 		mapentry->group2[0] = KS_voidSymbol;
295 		mapentry->group2[1] = KS_voidSymbol;
296 		break;
297 
298 	case 1:
299 		mapentry->group1[0] = kp[0];
300 		mapentry->group1[1] = ksym_upcase(kp[0]);
301 		mapentry->group2[0] = mapentry->group1[0];
302 		mapentry->group2[1] = mapentry->group1[1];
303 		break;
304 
305 	case 2:
306 		mapentry->group1[0] = kp[0];
307 		mapentry->group1[1] = kp[1];
308 		mapentry->group2[0] = mapentry->group1[0];
309 		mapentry->group2[1] = mapentry->group1[1];
310 		break;
311 
312 	case 3:
313 		mapentry->group1[0] = kp[0];
314 		mapentry->group1[1] = kp[1];
315 		mapentry->group2[0] = kp[2];
316 		mapentry->group2[1] = ksym_upcase(kp[2]);
317 		break;
318 
319 	case 4:
320 		mapentry->group1[0] = kp[0];
321 		mapentry->group1[1] = kp[1];
322 		mapentry->group2[0] = kp[2];
323 		mapentry->group2[1] = kp[3];
324 		break;
325 
326 	}
327 }
328 
329 void
330 wskbd_get_mapentry(mapdata, kc, mapentry)
331 	const struct wskbd_mapdata *mapdata;
332 	int kc;
333 	struct wscons_keymap *mapentry;
334 {
335 	kbd_t cur;
336 	const keysym_t *kp;
337 	const struct wscons_keydesc *mp;
338 	int l;
339 
340 	mapentry->command = KS_voidSymbol;
341 	mapentry->group1[0] = KS_voidSymbol;
342 	mapentry->group1[1] = KS_voidSymbol;
343 	mapentry->group2[0] = KS_voidSymbol;
344 	mapentry->group2[1] = KS_voidSymbol;
345 
346 	for (cur = mapdata->layout & ~KB_HANDLEDBYWSKBD; cur != 0; ) {
347 		mp = mapdata->keydesc;
348 		while (mp->map_size > 0) {
349 			if (mp->name == cur)
350 				break;
351 			mp++;
352 		}
353 
354 		/* If map not found, return */
355 		if (mp->map_size <= 0)
356 			return;
357 
358 		for (kp = mp->map; kp < mp->map + mp->map_size; kp++)
359 			if (KS_GROUP(*kp) == KS_GROUP_Keycode &&
360 			    KS_VALUE(*kp) == kc) {
361 				/* First skip keycode and possible command */
362 				kp++;
363 				if (KS_GROUP(*kp) == KS_GROUP_Command ||
364 				    *kp == KS_Cmd || *kp == KS_Cmd1 || *kp == KS_Cmd2)
365 					mapentry->command = *kp++;
366 
367 				for (l = 0; kp + l < mp->map + mp->map_size; l++)
368 					if (KS_GROUP(kp[l]) == KS_GROUP_Keycode)
369 						break;
370 				if (l > 4)
371 					panic("wskbd_get_mapentry: %d(%d): bad entry",
372 					      mp->name, *kp);
373 				fillmapentry(kp, l, mapentry);
374 				return;
375 			}
376 
377 		cur = mp->base;
378 	}
379 }
380 
381 void
382 wskbd_init_keymap(newlen, map, maplen)
383 	int newlen;
384 	struct wscons_keymap **map;
385 	int *maplen;
386 {
387 	int i;
388 
389 	if (newlen != *maplen) {
390 		if (*maplen > 0)
391 			free(*map, M_TEMP);
392 		*maplen = newlen;
393 		*map = malloc(newlen*sizeof(struct wscons_keymap),
394 			      M_TEMP, M_WAITOK);
395 	}
396 
397 	for (i = 0; i < *maplen; i++) {
398 		(*map)[i].command = KS_voidSymbol;
399 		(*map)[i].group1[0] = KS_voidSymbol;
400 		(*map)[i].group1[1] = KS_voidSymbol;
401 		(*map)[i].group2[0] = KS_voidSymbol;
402 		(*map)[i].group2[1] = KS_voidSymbol;
403 	}
404 }
405 
406 int
407 wskbd_load_keymap(mapdata, map, maplen)
408 	const struct wskbd_mapdata *mapdata;
409 	struct wscons_keymap **map;
410 	int *maplen;
411 {
412 	int i, s, kc, stack_ptr;
413 	const keysym_t *kp;
414 	const struct wscons_keydesc *mp, *stack[10];
415 	kbd_t cur;
416 
417 	for (cur = mapdata->layout & ~KB_HANDLEDBYWSKBD, stack_ptr = 0;
418 	     cur != 0; stack_ptr++) {
419 		mp = mapdata->keydesc;
420 		while (mp->map_size > 0) {
421 			if (cur == 0 || mp->name == cur) {
422 				break;
423 			}
424 			mp++;
425 		}
426 
427 		if (stack_ptr == sizeof(stack)/sizeof(stack[0]))
428 			panic("wskbd_load_keymap: %d: recursion too deep",
429 			      mapdata->layout);
430 		if (mp->map_size <= 0)
431 			return(EINVAL);
432 
433 		stack[stack_ptr] = mp;
434 		cur = mp->base;
435 	}
436 
437 	for (i = 0, s = stack_ptr - 1; s >= 0; s--) {
438 		mp = stack[s];
439 		for (kp = mp->map; kp < mp->map + mp->map_size; kp++)
440 			if (KS_GROUP(*kp) == KS_GROUP_Keycode && KS_VALUE(*kp) > i)
441 				i = KS_VALUE(*kp);
442 	}
443 
444 	wskbd_init_keymap(i + 1, map, maplen);
445 
446 	for (s = stack_ptr - 1; s >= 0; s--) {
447 		mp = stack[s];
448 		for (kp = mp->map; kp < mp->map + mp->map_size; ) {
449 			if (KS_GROUP(*kp) != KS_GROUP_Keycode)
450 				panic("wskbd_load_keymap: %d(%d): bad entry",
451 				      mp->name, *kp);
452 
453 			kc = KS_VALUE(*kp);
454 			kp++;
455 
456 			if (KS_GROUP(*kp) == KS_GROUP_Command ||
457 			    *kp == KS_Cmd || *kp == KS_Cmd1 || *kp == KS_Cmd2) {
458 				(*map)[kc].command = *kp;
459 				kp++;
460 			}
461 
462 			for (i = 0; kp + i < mp->map + mp->map_size; i++)
463 				if (KS_GROUP(kp[i]) == KS_GROUP_Keycode)
464 					break;
465 
466 			if (i > 4)
467 				panic("wskbd_load_keymap: %d(%d): bad entry",
468 				      mp->name, *kp);
469 
470 			fillmapentry(kp, i, &(*map)[kc]);
471 			kp += i;
472 		}
473 	}
474 
475 	return(0);
476 }
477