1 /* 2 * Copyright (c) 1998 Michael Smith (msmith@freebsd.org) 3 * Copyright (c) 1997 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * Id: probe_keyboard.c,v 1.13 1997/06/09 05:10:55 bde Exp 28 */ 29 30 #include <sys/cdefs.h> 31 32 #include <stand.h> 33 #include <bootstrap.h> 34 #include <sys/tem_impl.h> 35 #include <sys/visual_io.h> 36 #include <sys/multiboot2.h> 37 #include <btxv86.h> 38 #include <machine/psl.h> 39 #include <machine/metadata.h> 40 #include "libi386.h" 41 #include "vbe.h" 42 #include <gfx_fb.h> 43 #include <rbx.h> 44 #include <sys/vgareg.h> 45 #include <sys/vgasubr.h> 46 #include <machine/cpufunc.h> 47 #include <stdbool.h> 48 49 #if KEYBOARD_PROBE 50 51 static int probe_keyboard(void); 52 #endif 53 static void vidc_probe(struct console *cp); 54 static int vidc_init(struct console *cp, int arg); 55 static void vidc_putchar(struct console *cp, int c); 56 static int vidc_getchar(struct console *cp); 57 static int vidc_ischar(struct console *cp); 58 static int vidc_ioctl(struct console *cp, int cmd, void *data); 59 static void vidc_biosputchar(int c); 60 static void vidc_devinfo(struct console *cp); 61 62 static int vidc_vbe_devinit(struct vis_devinit *); 63 static void vidc_cons_cursor(struct vis_conscursor *); 64 static int vidc_vbe_cons_put_cmap(struct vis_cmap *); 65 66 static int vidc_text_devinit(struct vis_devinit *); 67 static int vidc_text_cons_clear(struct vis_consclear *); 68 static void vidc_text_cons_copy(struct vis_conscopy *); 69 static void vidc_text_cons_display(struct vis_consdisplay *); 70 static void vidc_text_set_cursor(screen_pos_t, screen_pos_t, bool); 71 static void vidc_text_get_cursor(screen_pos_t *, screen_pos_t *); 72 static int vidc_text_cons_put_cmap(struct vis_cmap *); 73 74 static int vidc_started; 75 static uint16_t *vgatext; 76 77 /* mode change callback and argument from tem */ 78 static vis_modechg_cb_t modechg_cb; 79 static struct vis_modechg_arg *modechg_arg; 80 static tem_vt_state_t tem; 81 82 /* RGB colors for 8-bit depth */ 83 struct paletteentry pe8[CMAP_SIZE]; 84 85 #define KEYBUFSZ 10 86 #define DEFAULT_FGCOLOR 7 87 #define DEFAULT_BGCOLOR 0 88 89 static uint8_t keybuf[KEYBUFSZ]; /* keybuf for extended codes */ 90 91 struct console text = { 92 .c_name = "text", 93 .c_desc = "internal video/keyboard", 94 .c_flags = 0, 95 .c_probe = vidc_probe, 96 .c_init = vidc_init, 97 .c_out = vidc_putchar, 98 .c_in = vidc_getchar, 99 .c_ready = vidc_ischar, 100 .c_ioctl = vidc_ioctl, 101 .c_devinfo = vidc_devinfo, 102 .c_private = NULL 103 }; 104 105 static struct vis_identifier fb_ident = { "vidc_fb" }; 106 static struct vis_identifier text_ident = { "vidc_text" }; 107 108 struct visual_ops fb_ops = { 109 .ident = &fb_ident, 110 .kdsetmode = NULL, 111 .devinit = vidc_vbe_devinit, 112 .cons_copy = gfx_fb_cons_copy, 113 .cons_display = gfx_fb_cons_display, 114 .cons_cursor = vidc_cons_cursor, 115 .cons_clear = gfx_fb_cons_clear, 116 .cons_put_cmap = vidc_vbe_cons_put_cmap 117 }; 118 119 struct visual_ops text_ops = { 120 .ident = &text_ident, 121 .kdsetmode = NULL, 122 .devinit = vidc_text_devinit, 123 .cons_copy = vidc_text_cons_copy, 124 .cons_display = vidc_text_cons_display, 125 .cons_cursor = vidc_cons_cursor, 126 .cons_clear = vidc_text_cons_clear, 127 .cons_put_cmap = vidc_text_cons_put_cmap 128 }; 129 130 /* 131 * platform specific functions for tem 132 */ 133 int 134 plat_stdout_is_framebuffer(void) 135 { 136 if (vbe_available() && VBE_VALID_MODE(vbe_get_mode())) { 137 return (1); 138 } 139 return (0); 140 } 141 142 void 143 plat_tem_hide_prom_cursor(void) 144 { 145 vidc_text_set_cursor(0, 0, false); 146 } 147 148 void 149 plat_tem_get_prom_pos(uint32_t *row, uint32_t *col) 150 { 151 screen_pos_t x, y; 152 153 if (plat_stdout_is_framebuffer()) { 154 *row = 0; 155 *col = 0; 156 } else { 157 vidc_text_get_cursor(&y, &x); 158 *row = (uint32_t)y; 159 *col = (uint32_t)x; 160 } 161 } 162 163 /* 164 * plat_tem_get_prom_size() is supposed to return screen size 165 * in chars. Return real data for text mode and TEM defaults for graphical 166 * mode, so the tem can compute values based on default and font. 167 */ 168 void 169 plat_tem_get_prom_size(size_t *height, size_t *width) 170 { 171 if (plat_stdout_is_framebuffer()) { 172 *height = TEM_DEFAULT_ROWS; 173 *width = TEM_DEFAULT_COLS; 174 } else { 175 *height = TEXT_ROWS; 176 *width = TEXT_COLS; 177 } 178 } 179 180 void 181 plat_cons_update_mode(int mode __unused) 182 { 183 struct vis_devinit devinit; 184 185 if (tem == NULL) /* tem is not set up */ 186 return; 187 188 if (plat_stdout_is_framebuffer()) { 189 devinit.version = VIS_CONS_REV; 190 devinit.width = gfx_fb.framebuffer_common.framebuffer_width; 191 devinit.height = gfx_fb.framebuffer_common.framebuffer_height; 192 devinit.depth = gfx_fb.framebuffer_common.framebuffer_bpp; 193 devinit.linebytes = gfx_fb.framebuffer_common.framebuffer_pitch; 194 devinit.color_map = gfx_fb_color_map; 195 devinit.mode = VIS_PIXEL; 196 text.c_private = &fb_ops; 197 } else { 198 devinit.version = VIS_CONS_REV; 199 devinit.width = TEXT_COLS; 200 devinit.height = TEXT_ROWS; 201 devinit.depth = 4; 202 devinit.linebytes = TEXT_COLS; 203 devinit.color_map = NULL; 204 devinit.mode = VIS_TEXT; 205 text.c_private = &text_ops; 206 } 207 208 modechg_cb(modechg_arg, &devinit); 209 } 210 211 static int 212 vidc_vbe_devinit(struct vis_devinit *devinit) 213 { 214 if (plat_stdout_is_framebuffer() == 0) 215 return (1); 216 217 devinit->version = VIS_CONS_REV; 218 devinit->width = gfx_fb.framebuffer_common.framebuffer_width; 219 devinit->height = gfx_fb.framebuffer_common.framebuffer_height; 220 devinit->depth = gfx_fb.framebuffer_common.framebuffer_bpp; 221 devinit->linebytes = gfx_fb.framebuffer_common.framebuffer_pitch; 222 devinit->color_map = gfx_fb_color_map; 223 devinit->mode = VIS_PIXEL; 224 225 modechg_cb = devinit->modechg_cb; 226 modechg_arg = devinit->modechg_arg; 227 228 return (0); 229 } 230 231 static int 232 vidc_text_devinit(struct vis_devinit *devinit) 233 { 234 if (plat_stdout_is_framebuffer()) 235 return (1); 236 237 devinit->version = VIS_CONS_REV; 238 devinit->width = TEXT_COLS; 239 devinit->height = TEXT_ROWS; 240 devinit->depth = 4; 241 devinit->linebytes = TEXT_COLS; 242 devinit->color_map = NULL; 243 devinit->mode = VIS_TEXT; 244 245 modechg_cb = devinit->modechg_cb; 246 modechg_arg = devinit->modechg_arg; 247 248 return (0); 249 } 250 251 static int 252 vidc_text_cons_clear(struct vis_consclear *ca) 253 { 254 uint16_t val; 255 int i; 256 257 val = (solaris_color_to_pc_color[ca->bg_color.four & 0xf] << 4) | 258 DEFAULT_FGCOLOR; 259 val = (val << 8) | ' '; 260 261 for (i = 0; i < TEXT_ROWS * TEXT_COLS; i++) 262 vgatext[i] = val; 263 264 return (0); 265 } 266 267 static void 268 vidc_text_cons_copy(struct vis_conscopy *ma) 269 { 270 uint16_t *from; 271 uint16_t *to; 272 int cnt; 273 screen_size_t chars_per_row; 274 uint16_t *to_row_start; 275 uint16_t *from_row_start; 276 screen_size_t rows_to_move; 277 uint16_t *base; 278 279 /* 280 * Sanity checks. Note that this is a last-ditch effort to avoid 281 * damage caused by broken-ness or maliciousness above. 282 */ 283 if (ma->s_col < 0 || ma->s_col >= TEXT_COLS || 284 ma->s_row < 0 || ma->s_row >= TEXT_ROWS || 285 ma->e_col < 0 || ma->e_col >= TEXT_COLS || 286 ma->e_row < 0 || ma->e_row >= TEXT_ROWS || 287 ma->t_col < 0 || ma->t_col >= TEXT_COLS || 288 ma->t_row < 0 || ma->t_row >= TEXT_ROWS || 289 ma->s_col > ma->e_col || 290 ma->s_row > ma->e_row) 291 return; 292 293 /* 294 * Remember we're going to copy shorts because each 295 * character/attribute pair is 16 bits. 296 */ 297 chars_per_row = ma->e_col - ma->s_col + 1; 298 rows_to_move = ma->e_row - ma->s_row + 1; 299 300 /* More sanity checks. */ 301 if (ma->t_row + rows_to_move > TEXT_ROWS || 302 ma->t_col + chars_per_row > TEXT_COLS) 303 return; 304 305 base = vgatext; 306 307 to_row_start = base + ((ma->t_row * TEXT_COLS) + ma->t_col); 308 from_row_start = base + ((ma->s_row * TEXT_COLS) + ma->s_col); 309 310 if (to_row_start < from_row_start) { 311 while (rows_to_move-- > 0) { 312 to = to_row_start; 313 from = from_row_start; 314 to_row_start += TEXT_COLS; 315 from_row_start += TEXT_COLS; 316 for (cnt = chars_per_row; cnt-- > 0; ) 317 *to++ = *from++; 318 } 319 } else { 320 /* 321 * Offset to the end of the region and copy backwards. 322 */ 323 cnt = rows_to_move * TEXT_COLS + chars_per_row; 324 to_row_start += cnt; 325 from_row_start += cnt; 326 327 while (rows_to_move-- > 0) { 328 to_row_start -= TEXT_COLS; 329 from_row_start -= TEXT_COLS; 330 to = to_row_start; 331 from = from_row_start; 332 for (cnt = chars_per_row; cnt-- > 0; ) 333 *--to = *--from; 334 } 335 } 336 } 337 338 /* 339 * Binary searchable table for Unicode to CP437 conversion. 340 */ 341 struct unicp437 { 342 uint16_t unicode_base; 343 uint8_t cp437_base; 344 uint8_t length; 345 }; 346 347 static const struct unicp437 cp437table[] = { 348 { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 }, 349 { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 }, 350 { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 }, 351 { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 }, 352 { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 }, 353 { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 }, 354 { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 }, 355 { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 }, 356 { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 }, 357 { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 }, 358 { 0x00bf, 0xa8, 0x00 }, { 0x00c4, 0x8e, 0x01 }, 359 { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 }, 360 { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 }, 361 { 0x00d6, 0x99, 0x00 }, { 0x00dc, 0x9a, 0x00 }, 362 { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 }, 363 { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 }, 364 { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 }, 365 { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 }, 366 { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 }, 367 { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 }, 368 { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 }, 369 { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 }, 370 { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 }, 371 { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 }, 372 { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 }, 373 { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 }, 374 { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 }, 375 { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 }, 376 { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 }, 377 { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 }, 378 { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 }, 379 { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 }, 380 { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 }, 381 { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 }, 382 { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 }, 383 { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 }, 384 { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 }, 385 { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 }, 386 { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 }, 387 { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 }, 388 { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 }, 389 { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 }, 390 { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 }, 391 { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 }, 392 { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 }, 393 { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 }, 394 { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 }, 395 { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 }, 396 { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 }, 397 { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 }, 398 { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 }, 399 { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 }, 400 { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 }, 401 { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 }, 402 { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 }, 403 { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 }, 404 { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 }, 405 { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 }, 406 { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 }, 407 { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 }, 408 { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 }, 409 { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 }, 410 { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 }, 411 { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 }, 412 { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 }, 413 { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 }, 414 { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 }, 415 { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 }, 416 { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 }, 417 { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 }, 418 { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 }, 419 { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 }, 420 { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 }, 421 { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 }, 422 { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 }, 423 { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 }, 424 { 0x25ac, 0x16, 0x00 }, { 0x25b2, 0x1e, 0x00 }, 425 { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 }, 426 { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 }, 427 { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 }, 428 { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 }, 429 { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 }, 430 { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 }, 431 { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x00 }, 432 { 0x266c, 0x0e, 0x00 } 433 }; 434 435 static uint8_t 436 vga_get_cp437(tem_char_t c) 437 { 438 int min, mid, max; 439 440 min = 0; 441 max = (sizeof (cp437table) / sizeof (struct unicp437)) - 1; 442 443 if (c < cp437table[0].unicode_base || 444 c > cp437table[max].unicode_base + cp437table[max].length) 445 return ('?'); 446 447 while (max >= min) { 448 mid = (min + max) / 2; 449 if (c < cp437table[mid].unicode_base) 450 max = mid - 1; 451 else if (c > cp437table[mid].unicode_base + 452 cp437table[mid].length) 453 min = mid + 1; 454 else 455 return (c - cp437table[mid].unicode_base + 456 cp437table[mid].cp437_base); 457 } 458 459 return ('?'); 460 } 461 462 static void 463 vidc_text_cons_display(struct vis_consdisplay *da) 464 { 465 int i; 466 uint8_t attr; 467 tem_char_t *data; 468 struct cgatext { 469 uint8_t ch; 470 uint8_t attr; 471 } *addr; 472 473 data = (tem_char_t *)da->data; 474 attr = (solaris_color_to_pc_color[da->bg_color.four & 0xf] << 4) | 475 solaris_color_to_pc_color[da->fg_color.four & 0xf]; 476 addr = (struct cgatext *)vgatext + (da->row * TEXT_COLS + da->col); 477 478 for (i = 0; i < da->width; i++) { 479 addr[i].ch = vga_get_cp437(data[i]); 480 addr[i].attr = attr; 481 } 482 } 483 484 static void 485 vidc_text_set_cursor(screen_pos_t row, screen_pos_t col, bool visible) 486 { 487 uint16_t addr; 488 uint8_t msl, s, e; 489 490 msl = vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_MAX_S_LN) & 0x1f; 491 s = vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CSSL) & 0xC0; 492 e = vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CESL); 493 494 if (visible) { 495 addr = row * TEXT_COLS + col; 496 vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CLAH, addr >> 8); 497 vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CLAL, addr & 0xff); 498 e = msl; 499 } else { 500 s |= (1<<5); 501 } 502 vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CSSL, s); 503 vga_set_crtc(VGA_REG_ADDR, VGA_CRTC_CESL, e); 504 } 505 506 static void 507 vidc_text_get_cursor(screen_pos_t *row, screen_pos_t *col) 508 { 509 uint16_t addr; 510 511 addr = (vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CLAH) << 8) + 512 vga_get_crtc(VGA_REG_ADDR, VGA_CRTC_CLAL); 513 514 *row = addr / TEXT_COLS; 515 *col = addr % TEXT_COLS; 516 } 517 518 static void 519 vidc_cons_cursor(struct vis_conscursor *cc) 520 { 521 switch (cc->action) { 522 case VIS_HIDE_CURSOR: 523 if (plat_stdout_is_framebuffer()) 524 gfx_fb_display_cursor(cc); 525 else 526 vidc_text_set_cursor(cc->row, cc->col, false); 527 break; 528 case VIS_DISPLAY_CURSOR: 529 if (plat_stdout_is_framebuffer()) 530 gfx_fb_display_cursor(cc); 531 else 532 vidc_text_set_cursor(cc->row, cc->col, true); 533 break; 534 case VIS_GET_CURSOR: 535 if (plat_stdout_is_framebuffer()) { 536 cc->row = 0; 537 cc->col = 0; 538 } else { 539 vidc_text_get_cursor(&cc->row, &cc->col); 540 } 541 break; 542 } 543 } 544 545 static int 546 vidc_vbe_cons_put_cmap(struct vis_cmap *cm) 547 { 548 int i, rc; 549 rgb_t rgb; 550 uint32_t c; 551 552 rc = 0; 553 554 /* 555 * we need to set position and size for rgb_color_map() 556 * to be able to work. 557 */ 558 gfx_fb.u.fb2.framebuffer_red_field_position = 16; 559 gfx_fb.u.fb2.framebuffer_green_field_position = 8; 560 gfx_fb.u.fb2.framebuffer_blue_field_position = 0; 561 gfx_fb.u.fb2.framebuffer_red_mask_size = palette_format; 562 gfx_fb.u.fb2.framebuffer_green_mask_size = palette_format; 563 gfx_fb.u.fb2.framebuffer_blue_mask_size = palette_format; 564 565 rgb.red.pos = gfx_fb.u.fb2.framebuffer_red_field_position; 566 rgb.red.size = gfx_fb.u.fb2.framebuffer_red_mask_size; 567 568 rgb.green.pos = gfx_fb.u.fb2.framebuffer_green_field_position; 569 rgb.green.size = gfx_fb.u.fb2.framebuffer_green_mask_size; 570 571 rgb.blue.pos = gfx_fb.u.fb2.framebuffer_blue_field_position; 572 rgb.blue.size = gfx_fb.u.fb2.framebuffer_blue_mask_size; 573 574 for (i = cm->index; i < NCMAP && rc == 0; i++) { 575 int idx; 576 577 /* Pick RGB from cmap4_to_24 */ 578 c = rgb_color_map(&rgb, i, 0); 579 /* The first 16 colors need to be in VGA color order. */ 580 if (i < NCOLORS) 581 idx = solaris_color_to_pc_color[i]; 582 else 583 idx = i; 584 585 pe8[i].Red = (c >> rgb.red.pos) & ((1 << rgb.red.size) - 1); 586 pe8[i].Green = 587 (c >> rgb.green.pos) & ((1 << rgb.green.size) - 1); 588 pe8[i].Blue = 589 (c >> rgb.blue.pos) & ((1 << rgb.blue.size) - 1); 590 pe8[i].Reserved = 0; 591 rc = vbe_set_palette(&pe8[i], idx); 592 } 593 return (rc); 594 } 595 596 static int 597 vidc_text_cons_put_cmap(struct vis_cmap *cm __unused) 598 { 599 return (1); 600 } 601 602 static int 603 vidc_ioctl(struct console *cp, int cmd, void *data) 604 { 605 struct visual_ops *ops = cp->c_private; 606 607 switch (cmd) { 608 case VIS_GETIDENTIFIER: 609 memmove(data, ops->ident, sizeof (struct vis_identifier)); 610 break; 611 case VIS_DEVINIT: 612 return (ops->devinit(data)); 613 case VIS_CONSCLEAR: 614 return (ops->cons_clear(data)); 615 case VIS_CONSCOPY: 616 ops->cons_copy(data); 617 break; 618 case VIS_CONSDISPLAY: 619 ops->cons_display(data); 620 break; 621 case VIS_CONSCURSOR: 622 ops->cons_cursor(data); 623 break; 624 case VIS_PUTCMAP: 625 ops->cons_put_cmap(data); 626 break; 627 case VIS_GETCMAP: 628 default: 629 return (EINVAL); 630 } 631 return (0); 632 } 633 634 static void 635 vidc_probe(struct console *cp) 636 { 637 638 /* look for a keyboard */ 639 #if KEYBOARD_PROBE 640 if (probe_keyboard()) 641 #endif 642 { 643 cp->c_flags |= C_PRESENTIN; 644 } 645 646 /* XXX for now, always assume we can do BIOS screen output */ 647 cp->c_flags |= C_PRESENTOUT; 648 } 649 650 /* 651 * Binary searchable table for CP437 to Unicode conversion. 652 */ 653 struct cp437uni { 654 uint8_t cp437_base; 655 uint16_t unicode_base; 656 uint8_t length; 657 }; 658 659 static const struct cp437uni cp437unitable[] = { 660 { 0, 0x0000, 0 }, { 1, 0x263A, 1 }, { 3, 0x2665, 1 }, 661 { 5, 0x2663, 0 }, { 6, 0x2660, 0 }, { 7, 0x2022, 0 }, 662 { 8, 0x25D8, 0 }, { 9, 0x25CB, 0 }, { 10, 0x25D9, 0 }, 663 { 11, 0x2642, 0 }, { 12, 0x2640, 0 }, { 13, 0x266A, 1 }, 664 { 15, 0x263C, 0 }, { 16, 0x25BA, 0 }, { 17, 0x25C4, 0 }, 665 { 18, 0x2195, 0 }, { 19, 0x203C, 0 }, { 20, 0x00B6, 0 }, 666 { 21, 0x00A7, 0 }, { 22, 0x25AC, 0 }, { 23, 0x21A8, 0 }, 667 { 24, 0x2191, 0 }, { 25, 0x2193, 0 }, { 26, 0x2192, 0 }, 668 { 27, 0x2190, 0 }, { 28, 0x221F, 0 }, { 29, 0x2194, 0 }, 669 { 30, 0x25B2, 0 }, { 31, 0x25BC, 0 }, { 32, 0x0020, 0x5e }, 670 { 127, 0x2302, 0 }, { 128, 0x00C7, 0 }, { 129, 0x00FC, 0 }, 671 { 130, 0x00E9, 0 }, { 131, 0x00E2, 0 }, { 132, 0x00E4, 0 }, 672 { 133, 0x00E0, 0 }, { 134, 0x00E5, 0 }, { 135, 0x00E7, 0 }, 673 { 136, 0x00EA, 1 }, { 138, 0x00E8, 0 }, { 139, 0x00EF, 0 }, 674 { 140, 0x00EE, 0 }, { 141, 0x00EC, 0 }, { 142, 0x00C4, 1 }, 675 { 144, 0x00C9, 0 }, { 145, 0x00E6, 0 }, { 146, 0x00C6, 0 }, 676 { 147, 0x00F4, 0 }, { 148, 0x00F6, 0 }, { 149, 0x00F2, 0 }, 677 { 150, 0x00FB, 0 }, { 151, 0x00F9, 0 }, { 152, 0x00FF, 0 }, 678 { 153, 0x00D6, 0 }, { 154, 0x00DC, 0 }, { 155, 0x00A2, 1 }, 679 { 157, 0x00A5, 0 }, { 158, 0x20A7, 0 }, { 159, 0x0192, 0 }, 680 { 160, 0x00E1, 0 }, { 161, 0x00ED, 0 }, { 162, 0x00F3, 0 }, 681 { 163, 0x00FA, 0 }, { 164, 0x00F1, 0 }, { 165, 0x00D1, 0 }, 682 { 166, 0x00AA, 0 }, { 167, 0x00BA, 0 }, { 168, 0x00BF, 0 }, 683 { 169, 0x2310, 0 }, { 170, 0x00AC, 0 }, { 171, 0x00BD, 0 }, 684 { 172, 0x00BC, 0 }, { 173, 0x00A1, 0 }, { 174, 0x00AB, 0 }, 685 { 175, 0x00BB, 0 }, { 176, 0x2591, 2 }, { 179, 0x2502, 0 }, 686 { 180, 0x2524, 0 }, { 181, 0x2561, 1 }, { 183, 0x2556, 0 }, 687 { 184, 0x2555, 0 }, { 185, 0x2563, 0 }, { 186, 0x2551, 0 }, 688 { 187, 0x2557, 0 }, { 188, 0x255D, 0 }, { 189, 0x255C, 0 }, 689 { 190, 0x255B, 0 }, { 191, 0x2510, 0 }, { 192, 0x2514, 0 }, 690 { 193, 0x2534, 0 }, { 194, 0x252C, 0 }, { 195, 0x251C, 0 }, 691 { 196, 0x2500, 0 }, { 197, 0x253C, 0 }, { 198, 0x255E, 1 }, 692 { 200, 0x255A, 0 }, { 201, 0x2554, 0 }, { 202, 0x2569, 0 }, 693 { 203, 0x2566, 0 }, { 204, 0x2560, 0 }, { 205, 0x2550, 0 }, 694 { 206, 0x256C, 0 }, { 207, 0x2567, 1 }, { 209, 0x2564, 1 }, 695 { 211, 0x2559, 0 }, { 212, 0x2558, 0 }, { 213, 0x2552, 1 }, 696 { 215, 0x256B, 0 }, { 216, 0x256A, 0 }, { 217, 0x2518, 0 }, 697 { 218, 0x250C, 0 }, { 219, 0x2588, 0 }, { 220, 0x2584, 0 }, 698 { 221, 0x258C, 0 }, { 222, 0x2590, 0 }, { 223, 0x2580, 0 }, 699 { 224, 0x03B1, 0 }, { 225, 0x00DF, 0 }, { 226, 0x0393, 0 }, 700 { 227, 0x03C0, 0 }, { 228, 0x03A3, 0 }, { 229, 0x03C3, 0 }, 701 { 230, 0x00B5, 0 }, { 231, 0x03C4, 0 }, { 232, 0x03A6, 0 }, 702 { 233, 0x0398, 0 }, { 234, 0x03A9, 0 }, { 235, 0x03B4, 0 }, 703 { 236, 0x221E, 0 }, { 237, 0x03C6, 0 }, { 238, 0x03B5, 0 }, 704 { 239, 0x2229, 0 }, { 240, 0x2261, 0 }, { 241, 0x00B1, 0 }, 705 { 242, 0x2265, 0 }, { 243, 0x2264, 0 }, { 244, 0x2320, 1 }, 706 { 246, 0x00F7, 0 }, { 247, 0x2248, 0 }, { 248, 0x00B0, 0 }, 707 { 249, 0x2219, 0 }, { 250, 0x00B7, 0 }, { 251, 0x221A, 0 }, 708 { 252, 0x207F, 0 }, { 253, 0x00B2, 0 }, { 254, 0x25A0, 0 }, 709 { 255, 0x00A0, 0 } 710 }; 711 712 static uint16_t 713 vga_cp437_to_uni(uint8_t c) 714 { 715 int min, mid, max; 716 717 min = 0; 718 max = (sizeof (cp437unitable) / sizeof (struct cp437uni)) - 1; 719 720 while (max >= min) { 721 mid = (min + max) / 2; 722 if (c < cp437unitable[mid].cp437_base) 723 max = mid - 1; 724 else if (c > cp437unitable[mid].cp437_base + 725 cp437unitable[mid].length) 726 min = mid + 1; 727 else 728 return (c - cp437unitable[mid].cp437_base + 729 cp437unitable[mid].unicode_base); 730 } 731 732 return ('?'); 733 } 734 735 /* 736 * install font for text mode, borrowed from gfxp_vgatext.c 737 */ 738 static void 739 vidc_install_font(tem_modechg_cb_arg_t arg __unused) 740 { 741 static uchar_t fsreg[8] = {0x0, 0x30, 0x5, 0x35, 0xa, 0x3a, 0xf, 0x3f}; 742 const uchar_t *from; 743 uchar_t volatile *to; 744 uint16_t c; 745 int i, j, s; 746 int bpc, f_offset; 747 748 if (plat_stdout_is_framebuffer()) 749 return; 750 751 /* Sync-reset the sequencer registers */ 752 vga_set_seq(VGA_REG_ADDR, 0x00, 0x01); 753 /* 754 * enable write to plane2, since fonts 755 * could only be loaded into plane2 756 */ 757 vga_set_seq(VGA_REG_ADDR, 0x02, 0x04); 758 /* 759 * sequentially access data in the bit map being 760 * selected by MapMask register (index 0x02) 761 */ 762 vga_set_seq(VGA_REG_ADDR, 0x04, 0x07); 763 /* Sync-reset ended, and allow the sequencer to operate */ 764 vga_set_seq(VGA_REG_ADDR, 0x00, 0x03); 765 766 /* 767 * select plane 2 on Read Mode 0 768 */ 769 vga_set_grc(VGA_REG_ADDR, 0x04, 0x02); 770 /* 771 * system addresses sequentially access data, follow 772 * Memory Mode register bit 2 in the sequencer 773 */ 774 vga_set_grc(VGA_REG_ADDR, 0x05, 0x00); 775 /* 776 * set range of host memory addresses decoded by VGA 777 * hardware -- A0000h-BFFFFh (128K region) 778 */ 779 vga_set_grc(VGA_REG_ADDR, 0x06, 0x00); 780 781 /* 782 * This assumes 8x16 characters, which yield the traditional 80x25 783 * screen. It really should support other character heights. 784 */ 785 bpc = 16; 786 s = 0; /* font slot, maybe should use tunable there. */ 787 f_offset = s * 8 * 1024; 788 for (i = 0; i < 256; i++) { 789 c = vga_cp437_to_uni(i); 790 from = font_lookup(&tems.ts_font, c); 791 to = (unsigned char *)PTOV(VGA_MEM_ADDR) + f_offset + 792 i * 0x20; 793 for (j = 0; j < bpc; j++) 794 *to++ = *from++; 795 } 796 797 /* Sync-reset the sequencer registers */ 798 vga_set_seq(VGA_REG_ADDR, 0x00, 0x01); 799 /* enable write to plane 0 and 1 */ 800 vga_set_seq(VGA_REG_ADDR, 0x02, 0x03); 801 /* 802 * enable character map selection 803 * and odd/even addressing 804 */ 805 vga_set_seq(VGA_REG_ADDR, 0x04, 0x03); 806 /* 807 * select font map 808 */ 809 vga_set_seq(VGA_REG_ADDR, 0x03, fsreg[s]); 810 /* Sync-reset ended, and allow the sequencer to operate */ 811 vga_set_seq(VGA_REG_ADDR, 0x00, 0x03); 812 813 /* restore graphic registers */ 814 815 /* select plane 0 */ 816 vga_set_grc(VGA_REG_ADDR, 0x04, 0x00); 817 /* enable odd/even addressing mode */ 818 vga_set_grc(VGA_REG_ADDR, 0x05, 0x10); 819 /* 820 * range of host memory addresses decoded by VGA 821 * hardware -- B8000h-BFFFFh (32K region) 822 */ 823 vga_set_grc(VGA_REG_ADDR, 0x06, 0x0e); 824 /* enable all color plane */ 825 vga_set_atr(VGA_REG_ADDR, 0x12, 0x0f); 826 } 827 828 static int 829 vidc_init(struct console *cp, int arg) 830 { 831 int i, rc; 832 833 if (vidc_started && arg == 0) 834 return (0); 835 836 vidc_started = 1; 837 vbe_init(); 838 839 /* 840 * Check Miscellaneous Output Register (Read at 3CCh, Write at 3C2h) 841 * for bit 1 (Input/Output Address Select), which means 842 * color/graphics adapter. 843 */ 844 if (vga_get_reg(VGA_REG_ADDR, VGA_MISC_R) & VGA_MISC_IOA_SEL) 845 vgatext = (uint16_t *)PTOV(VGA_MEM_ADDR + VGA_COLOR_BASE); 846 else 847 vgatext = (uint16_t *)PTOV(VGA_MEM_ADDR + VGA_MONO_BASE); 848 849 /* set 16bit colors */ 850 i = vga_get_atr(VGA_REG_ADDR, VGA_ATR_MODE); 851 i &= ~VGA_ATR_MODE_BLINK; 852 i &= ~VGA_ATR_MODE_9WIDE; 853 vga_set_atr(VGA_REG_ADDR, VGA_ATR_MODE, i); 854 855 plat_tem_hide_prom_cursor(); 856 857 memset(keybuf, 0, KEYBUFSZ); 858 859 /* default to text mode */ 860 cp->c_private = &text_ops; 861 862 if (OPT_CHECK(RBX_TEXT_MODE) == 0 && vbe_available()) { 863 rc = vbe_default_mode(); 864 /* if rc is not legal VBE mode, use text mode */ 865 if (VBE_VALID_MODE(rc)) { 866 if (vbe_set_mode(rc) == 0) 867 cp->c_private = &fb_ops; 868 else 869 bios_set_text_mode(VGA_TEXT_MODE); 870 } 871 } 872 873 gfx_framework_init(); 874 /* set up callback before calling tem_info_init(). */ 875 tem_register_modechg_cb(vidc_install_font, (tem_modechg_cb_arg_t)cp); 876 rc = tem_info_init(cp); 877 878 if (rc != 0) { 879 bios_set_text_mode(3); 880 cp->c_private = &text_ops; 881 rc = tem_info_init(cp); /* try again */ 882 } 883 if (rc == 0 && tem == NULL) { 884 tem = tem_init(); 885 if (tem != NULL) 886 tem_activate(tem, true); 887 } 888 889 for (i = 0; i < 10 && vidc_ischar(cp); i++) 890 (void) vidc_getchar(cp); 891 892 return (0); 893 } 894 895 static void 896 vidc_biosputchar(int c) 897 { 898 v86.ctl = 0; 899 v86.addr = 0x10; 900 v86.eax = 0xe00 | (c & 0xff); 901 v86.ebx = 0x7; 902 v86int(); 903 } 904 905 static void 906 vidc_putchar(struct console *cp __unused, int c) 907 { 908 uint8_t buf = c; 909 910 /* make sure we have some console output, support for panic() */ 911 if (tem == NULL) 912 vidc_biosputchar(c); 913 else 914 tem_write(tem, &buf, sizeof (buf)); 915 } 916 917 static int 918 vidc_getchar(struct console *cp) 919 { 920 int i, c; 921 922 for (i = 0; i < KEYBUFSZ; i++) { 923 if (keybuf[i] != 0) { 924 c = keybuf[i]; 925 keybuf[i] = 0; 926 return (c); 927 } 928 } 929 930 if (vidc_ischar(cp)) { 931 v86.ctl = 0; 932 v86.addr = 0x16; 933 v86.eax = 0x0; 934 v86int(); 935 if ((v86.eax & 0xff) != 0) { 936 return (v86.eax & 0xff); 937 } 938 939 /* extended keys */ 940 switch (v86.eax & 0xff00) { 941 case 0x4800: /* up */ 942 keybuf[0] = '['; 943 keybuf[1] = 'A'; 944 return (0x1b); /* esc */ 945 case 0x4b00: /* left */ 946 keybuf[0] = '['; 947 keybuf[1] = 'D'; 948 return (0x1b); /* esc */ 949 case 0x4d00: /* right */ 950 keybuf[0] = '['; 951 keybuf[1] = 'C'; 952 return (0x1b); /* esc */ 953 case 0x5000: /* down */ 954 keybuf[0] = '['; 955 keybuf[1] = 'B'; 956 return (0x1b); /* esc */ 957 default: 958 return (-1); 959 } 960 } else { 961 return (-1); 962 } 963 } 964 965 static int 966 vidc_ischar(struct console *cp __unused) 967 { 968 int i; 969 970 for (i = 0; i < KEYBUFSZ; i++) { 971 if (keybuf[i] != 0) { 972 return (1); 973 } 974 } 975 976 v86.ctl = V86_FLAGS; 977 v86.addr = 0x16; 978 v86.eax = 0x100; 979 v86int(); 980 return (!V86_ZR(v86.efl)); 981 } 982 983 static void 984 vidc_devinfo(struct console *cp __unused) 985 { 986 if (plat_stdout_is_framebuffer()) { 987 printf("\tVESA %ux%ux%u framebuffer mode %#x", 988 gfx_fb.framebuffer_common.framebuffer_width, 989 gfx_fb.framebuffer_common.framebuffer_height, 990 gfx_fb.framebuffer_common.framebuffer_bpp, 991 vbe_get_mode()); 992 } else { 993 printf("\tVGA %ux%u text mode", TEXT_COLS, TEXT_ROWS); 994 } 995 } 996 997 #if KEYBOARD_PROBE 998 999 #define PROBE_MAXRETRY 5 1000 #define PROBE_MAXWAIT 400 1001 #define IO_DUMMY 0x84 1002 #define IO_KBD 0x060 /* 8042 Keyboard */ 1003 1004 /* selected defines from kbdio.h */ 1005 #define KBD_STATUS_PORT 4 /* status port, read */ 1006 /* data port, read/write also used as keyboard command and mouse command port */ 1007 #define KBD_DATA_PORT 0 1008 #define KBDC_ECHO 0x00ee 1009 #define KBDS_ANY_BUFFER_FULL 0x0001 1010 #define KBDS_INPUT_BUFFER_FULL 0x0002 1011 #define KBD_ECHO 0x00ee 1012 1013 /* 7 microsec delay necessary for some keyboard controllers */ 1014 static void 1015 delay7(void) 1016 { 1017 /* 1018 * I know this is broken, but no timer is available yet at this stage... 1019 * See also comments in `delay1ms()'. 1020 */ 1021 inb(IO_DUMMY); inb(IO_DUMMY); 1022 inb(IO_DUMMY); inb(IO_DUMMY); 1023 inb(IO_DUMMY); inb(IO_DUMMY); 1024 } 1025 1026 /* 1027 * This routine uses an inb to an unused port, the time to execute that 1028 * inb is approximately 1.25uS. This value is pretty constant across 1029 * all CPU's and all buses, with the exception of some PCI implentations 1030 * that do not forward this I/O address to the ISA bus as they know it 1031 * is not a valid ISA bus address, those machines execute this inb in 1032 * 60 nS :-(. 1033 * 1034 */ 1035 static void 1036 delay1ms(void) 1037 { 1038 int i = 800; 1039 while (--i >= 0) 1040 (void) inb(0x84); 1041 } 1042 1043 /* 1044 * We use the presence/absence of a keyboard to determine whether the internal 1045 * console can be used for input. 1046 * 1047 * Perform a simple test on the keyboard; issue the ECHO command and see 1048 * if the right answer is returned. We don't do anything as drastic as 1049 * full keyboard reset; it will be too troublesome and take too much time. 1050 */ 1051 static int 1052 probe_keyboard(void) 1053 { 1054 int retry = PROBE_MAXRETRY; 1055 int wait; 1056 int i; 1057 1058 while (--retry >= 0) { 1059 /* flush any noise */ 1060 while (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) { 1061 delay7(); 1062 inb(IO_KBD + KBD_DATA_PORT); 1063 delay1ms(); 1064 } 1065 1066 /* wait until the controller can accept a command */ 1067 for (wait = PROBE_MAXWAIT; wait > 0; --wait) { 1068 if (((i = inb(IO_KBD + KBD_STATUS_PORT)) & 1069 (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL)) 1070 == 0) 1071 break; 1072 if (i & KBDS_ANY_BUFFER_FULL) { 1073 delay7(); 1074 inb(IO_KBD + KBD_DATA_PORT); 1075 } 1076 delay1ms(); 1077 } 1078 if (wait <= 0) 1079 continue; 1080 1081 /* send the ECHO command */ 1082 outb(IO_KBD + KBD_DATA_PORT, KBDC_ECHO); 1083 1084 /* wait for a response */ 1085 for (wait = PROBE_MAXWAIT; wait > 0; --wait) { 1086 if (inb(IO_KBD + KBD_STATUS_PORT) & 1087 KBDS_ANY_BUFFER_FULL) 1088 break; 1089 delay1ms(); 1090 } 1091 if (wait <= 0) 1092 continue; 1093 1094 delay7(); 1095 i = inb(IO_KBD + KBD_DATA_PORT); 1096 #ifdef PROBE_KBD_BEBUG 1097 printf("probe_keyboard: got 0x%x.\n", i); 1098 #endif 1099 if (i == KBD_ECHO) { 1100 /* got the right answer */ 1101 return (1); 1102 } 1103 } 1104 1105 return (0); 1106 } 1107 #endif /* KEYBOARD_PROBE */ 1108