1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Copyright 2016 Joyent, Inc. 29 * Copyright 2021 Toomas Soome <tsoome@me.com> 30 * Copyright 2021 RackTop Systems, Inc. 31 */ 32 33 /* 34 * Polled I/O safe ANSI terminal emulator module; 35 * Supporting TERM types 'sun' and 'sun-color, parsing 36 * ANSI x3.64 escape sequences, and the like. (See wscons(4D) 37 * for more information). 38 * 39 * IMPORTANT: 40 * 41 * The functions in this file *must* be able to function in 42 * standalone mode, ie. on a quiesced system. In that state, 43 * access is single threaded, only one CPU is running. 44 * System services are NOT available. 45 * 46 * The following restrictions pertain to every function 47 * in this file: 48 * 49 * - CANNOT use the DDI or LDI interfaces 50 * - CANNOT call system services 51 * - CANNOT use mutexes 52 * - CANNOT wait for interrupts 53 * - CANNOT allocate memory 54 * 55 * All non-static functions in this file which: 56 * - Operates on tems and tem_vt_state 57 * - Not only called from standalone mode, i.e. has 58 * a "calledfrom" argument 59 * should assert this at the beginning: 60 * 61 * ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 62 * called_from == CALLED_FROM_STANDALONE); 63 * 64 * Color support: 65 * Text mode can only support standard system colors, 4-bit [0-15] indexed. 66 * On framebuffer devices, we can aditionally use [16-255] or truecolor. 67 * Additional colors can be used via CSI 38 and CSI 48 sequences. 68 * CSI 38/48;5 is using indexed colors [0-255], CSI 38/48;2 does 69 * specify color by RGB triple. 70 * 71 * While sending glyphs to display, we need to process glyph attributes: 72 * TEM_ATTR_BOLD will cause BOLD font to be used (or BRIGHT color if we 73 * we use indexed color [0-7]). 74 * We ignore TEM_ATTR_BRIGHT_FG/TEM_ATTR_BRIGHT_BG with RGB colors. 75 * TEM_ATTR_REVERSE and TEM_ATTR_SCREEN_REVERSE will cause fg and bg to be 76 * swapped. 77 */ 78 79 #include <sys/types.h> 80 #include <sys/ascii.h> 81 #include <sys/visual_io.h> 82 #include <sys/font.h> 83 #include <sys/tem.h> 84 #include <sys/tem_impl.h> 85 #include <sys/ksynch.h> 86 #include <sys/sysmacros.h> 87 #include <sys/mutex.h> 88 #include <sys/note.h> 89 #include <sys/t_lock.h> 90 91 tem_safe_callbacks_t tem_safe_text_callbacks = { 92 &tem_safe_text_display, 93 &tem_safe_text_copy, 94 &tem_safe_text_cursor, 95 NULL, 96 &tem_safe_text_cls 97 }; 98 tem_safe_callbacks_t tem_safe_pix_callbacks = { 99 &tem_safe_pix_display, 100 &tem_safe_pix_copy, 101 &tem_safe_pix_cursor, 102 &tem_safe_pix_bit2pix, 103 &tem_safe_pix_cls 104 }; 105 106 static void tem_safe_control(struct tem_vt_state *, tem_char_t, 107 cred_t *, enum called_from); 108 static void tem_safe_setparam(struct tem_vt_state *, int, int); 109 static void tem_safe_selgraph(struct tem_vt_state *); 110 static void tem_safe_chkparam(struct tem_vt_state *, tem_char_t, 111 cred_t *, enum called_from); 112 static void tem_safe_getparams(struct tem_vt_state *, tem_char_t, 113 cred_t *, enum called_from); 114 static void tem_safe_outch(struct tem_vt_state *, tem_char_t, 115 cred_t *, enum called_from); 116 static void tem_safe_parse(struct tem_vt_state *, tem_char_t, 117 cred_t *, enum called_from); 118 119 static void tem_safe_new_line(struct tem_vt_state *, 120 cred_t *, enum called_from); 121 static void tem_safe_cr(struct tem_vt_state *); 122 static void tem_safe_lf(struct tem_vt_state *, 123 cred_t *, enum called_from); 124 static void tem_safe_send_data(struct tem_vt_state *, cred_t *, 125 enum called_from); 126 static void tem_safe_cls(struct tem_vt_state *, 127 cred_t *, enum called_from); 128 static void tem_safe_tab(struct tem_vt_state *, 129 cred_t *, enum called_from); 130 static void tem_safe_back_tab(struct tem_vt_state *, 131 cred_t *, enum called_from); 132 static void tem_safe_clear_tabs(struct tem_vt_state *, int); 133 static void tem_safe_set_tab(struct tem_vt_state *); 134 static void tem_safe_mv_cursor(struct tem_vt_state *, int, int, 135 cred_t *, enum called_from); 136 static void tem_safe_shift(struct tem_vt_state *, int, int, 137 cred_t *, enum called_from); 138 static void tem_safe_scroll(struct tem_vt_state *, int, int, 139 int, int, cred_t *, enum called_from); 140 static void tem_safe_clear_chars(struct tem_vt_state *tem, 141 int count, screen_pos_t row, screen_pos_t col, 142 cred_t *credp, enum called_from called_from); 143 static void tem_safe_copy_area(struct tem_vt_state *tem, 144 screen_pos_t s_col, screen_pos_t s_row, 145 screen_pos_t e_col, screen_pos_t e_row, 146 screen_pos_t t_col, screen_pos_t t_row, 147 cred_t *credp, enum called_from called_from); 148 #if 0 149 /* Currently unused */ 150 static void tem_safe_image_display(struct tem_vt_state *, uchar_t *, 151 int, int, screen_pos_t, screen_pos_t, 152 cred_t *, enum called_from); 153 #endif 154 static void tem_safe_bell(struct tem_vt_state *tem, 155 enum called_from called_from); 156 static void tem_safe_pix_clear_prom_output(struct tem_vt_state *tem, 157 cred_t *credp, enum called_from called_from); 158 static void tem_safe_get_color(struct tem_vt_state *, 159 text_color_t *, text_color_t *, term_char_t *); 160 static void tem_safe_set_color(text_color_t *, color_t *); 161 162 static void tem_safe_virtual_cls(struct tem_vt_state *, int, screen_pos_t, 163 screen_pos_t); 164 static void tem_safe_virtual_display(struct tem_vt_state *, 165 term_char_t *, int, screen_pos_t, screen_pos_t); 166 static void tem_safe_virtual_copy(struct tem_vt_state *, screen_pos_t, 167 screen_pos_t, screen_pos_t, screen_pos_t, 168 screen_pos_t, screen_pos_t); 169 static void tem_safe_align_cursor(struct tem_vt_state *tem); 170 static void bit_to_pix4(struct tem_vt_state *tem, tem_char_t c, 171 text_color_t fg_color, text_color_t bg_color); 172 static void bit_to_pix8(struct tem_vt_state *tem, tem_char_t c, 173 text_color_t fg_color, text_color_t bg_color); 174 static void bit_to_pix16(struct tem_vt_state *tem, tem_char_t c, 175 text_color_t fg_color, text_color_t bg_color); 176 static void bit_to_pix24(struct tem_vt_state *tem, tem_char_t c, 177 text_color_t fg_color, text_color_t bg_color); 178 static void bit_to_pix32(struct tem_vt_state *tem, tem_char_t c, 179 text_color_t fg_color, text_color_t bg_color); 180 181 #define PIX4TO32(pix4) (uint32_t)( \ 182 cmap4_to_24.red[pix4] << 16 | \ 183 cmap4_to_24.green[pix4] << 8 | \ 184 cmap4_to_24.blue[pix4]) 185 186 #define tem_safe_callback_display (*tems.ts_callbacks->tsc_display) 187 #define tem_safe_callback_copy (*tems.ts_callbacks->tsc_copy) 188 #define tem_safe_callback_cursor (*tems.ts_callbacks->tsc_cursor) 189 #define tem_safe_callback_cls (*tems.ts_callbacks->tsc_cls) 190 #define tem_safe_callback_bit2pix(tem, c) { \ 191 ASSERT(tems.ts_callbacks->tsc_bit2pix != NULL); \ 192 (void) (*tems.ts_callbacks->tsc_bit2pix)((tem), (c));\ 193 } 194 195 void 196 tem_safe_check_first_time( 197 struct tem_vt_state *tem, 198 cred_t *credp, 199 enum called_from called_from) 200 { 201 static int first_time = 1; 202 203 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 204 called_from == CALLED_FROM_STANDALONE); 205 206 /* 207 * Realign the console cursor. We did this in tem_init(). 208 * However, drivers in the console stream may emit additional 209 * messages before we are ready. This causes text overwrite 210 * on the screen. This is a workaround. 211 */ 212 if (!first_time) 213 return; 214 215 first_time = 0; 216 if (tems.ts_display_mode == VIS_TEXT) 217 tem_safe_text_cursor(tem, VIS_GET_CURSOR, credp, called_from); 218 else 219 tem_safe_pix_cursor(tem, VIS_GET_CURSOR, credp, called_from); 220 tem_safe_align_cursor(tem); 221 } 222 223 /* 224 * This entry point handles output requests from restricted contexts like 225 * kmdb, where services like mutexes are not available. This function 226 * is entered when OBP or when a kernel debugger (such as kmdb) 227 * are generating console output. In those cases, power management 228 * concerns are handled by the abort sequence initiation (ie. when 229 * the user hits L1+A or the equivalent to enter OBP or the debugger.). 230 * It is also entered when the kernel is panicing. 231 */ 232 void 233 tem_safe_polled_write( 234 tem_vt_state_t tem_arg, 235 uchar_t *buf, 236 int len) 237 { 238 struct tem_vt_state *tem = (struct tem_vt_state *)tem_arg; 239 240 #ifdef __lock_lint 241 _NOTE(NO_COMPETING_THREADS_NOW) 242 _NOTE(NO_COMPETING_THREADS_AS_SIDE_EFFECT) 243 #endif 244 245 if (!tem->tvs_initialized) { 246 return; 247 } 248 249 tem_safe_check_first_time(tem, kcred, CALLED_FROM_STANDALONE); 250 tem_safe_terminal_emulate(tem, buf, len, NULL, CALLED_FROM_STANDALONE); 251 } 252 253 /* Process partial UTF-8 sequence. */ 254 static void 255 tem_safe_input_partial(struct tem_vt_state *tem, cred_t *credp, 256 enum called_from called_from) 257 { 258 unsigned i; 259 uint8_t c; 260 261 if (tem->tvs_utf8_left == 0) 262 return; 263 264 for (i = 0; i < sizeof (tem->tvs_utf8_partial); i++) { 265 c = (tem->tvs_utf8_partial >> (24 - (i << 3))) & 0xff; 266 if (c != 0) { 267 tem_safe_parse(tem, c, credp, called_from); 268 } 269 } 270 tem->tvs_utf8_left = 0; 271 tem->tvs_utf8_partial = 0; 272 } 273 274 /* 275 * Handle UTF-8 sequences. 276 */ 277 static void 278 tem_safe_input_byte(struct tem_vt_state *tem, uchar_t c, cred_t *credp, 279 enum called_from called_from) 280 { 281 /* 282 * Check for UTF-8 code points. In case of error fall back to 283 * 8-bit code. As we only have 8859-1 fonts for console, this will set 284 * the limits on what chars we actually can display, therefore we 285 * have to return to this code once we have solved the font issue. 286 */ 287 if ((c & 0x80) == 0x00) { 288 /* One-byte sequence. */ 289 tem_safe_input_partial(tem, credp, called_from); 290 tem_safe_parse(tem, c, credp, called_from); 291 return; 292 } 293 if ((c & 0xe0) == 0xc0) { 294 /* Two-byte sequence. */ 295 tem_safe_input_partial(tem, credp, called_from); 296 tem->tvs_utf8_left = 1; 297 tem->tvs_utf8_partial = c; 298 return; 299 } 300 if ((c & 0xf0) == 0xe0) { 301 /* Three-byte sequence. */ 302 tem_safe_input_partial(tem, credp, called_from); 303 tem->tvs_utf8_left = 2; 304 tem->tvs_utf8_partial = c; 305 return; 306 } 307 if ((c & 0xf8) == 0xf0) { 308 /* Four-byte sequence. */ 309 tem_safe_input_partial(tem, credp, called_from); 310 tem->tvs_utf8_left = 3; 311 tem->tvs_utf8_partial = c; 312 return; 313 } 314 if ((c & 0xc0) == 0x80) { 315 /* Invalid state? */ 316 if (tem->tvs_utf8_left == 0) { 317 tem_safe_parse(tem, c, credp, called_from); 318 return; 319 } 320 tem->tvs_utf8_left--; 321 tem->tvs_utf8_partial = (tem->tvs_utf8_partial << 8) | c; 322 if (tem->tvs_utf8_left == 0) { 323 tem_char_t v, u; 324 uint8_t b; 325 326 /* 327 * Transform the sequence of 2 to 4 bytes to 328 * unicode number. 329 */ 330 v = 0; 331 u = tem->tvs_utf8_partial; 332 b = (u >> 24) & 0xff; 333 if (b != 0) { /* Four-byte sequence */ 334 v = b & 0x07; 335 b = (u >> 16) & 0xff; 336 v = (v << 6) | (b & 0x3f); 337 b = (u >> 8) & 0xff; 338 v = (v << 6) | (b & 0x3f); 339 b = u & 0xff; 340 v = (v << 6) | (b & 0x3f); 341 } else if ((b = (u >> 16) & 0xff) != 0) { 342 v = b & 0x0f; /* Three-byte sequence */ 343 b = (u >> 8) & 0xff; 344 v = (v << 6) | (b & 0x3f); 345 b = u & 0xff; 346 v = (v << 6) | (b & 0x3f); 347 } else if ((b = (u >> 8) & 0xff) != 0) { 348 v = b & 0x1f; /* Two-byte sequence */ 349 b = u & 0xff; 350 v = (v << 6) | (b & 0x3f); 351 } 352 353 tem_safe_parse(tem, v, credp, called_from); 354 tem->tvs_utf8_partial = 0; 355 } 356 return; 357 } 358 /* Anything left is illegal in UTF-8 sequence. */ 359 tem_safe_input_partial(tem, credp, called_from); 360 tem_safe_parse(tem, c, credp, called_from); 361 } 362 363 /* 364 * This is the main entry point into the terminal emulator. 365 * 366 * For each data message coming downstream, ANSI assumes that it is composed 367 * of ASCII characters, which are treated as a byte-stream input to the 368 * parsing state machine. All data is parsed immediately -- there is 369 * no enqueing. 370 */ 371 void 372 tem_safe_terminal_emulate( 373 struct tem_vt_state *tem, 374 uchar_t *buf, 375 int len, 376 cred_t *credp, 377 enum called_from called_from) 378 { 379 380 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 381 called_from == CALLED_FROM_STANDALONE); 382 383 if (tem->tvs_isactive && !tem->tvs_cursor_hidden) 384 tem_safe_callback_cursor(tem, 385 VIS_HIDE_CURSOR, credp, called_from); 386 387 for (; len > 0; len--, buf++) 388 tem_safe_input_byte(tem, *buf, credp, called_from); 389 390 /* 391 * Send the data we just got to the framebuffer. 392 */ 393 tem_safe_send_data(tem, credp, called_from); 394 395 if (tem->tvs_isactive && !tem->tvs_cursor_hidden) 396 tem_safe_callback_cursor(tem, 397 VIS_DISPLAY_CURSOR, credp, called_from); 398 } 399 400 /* 401 * Display an rectangular image on the frame buffer using the 402 * mechanism appropriate for the system state being called 403 * from quiesced or normal (ie. use polled I/O vs. layered ioctls) 404 */ 405 static void 406 tems_safe_display(struct vis_consdisplay *pda, cred_t *credp, 407 enum called_from called_from) 408 { 409 if (called_from == CALLED_FROM_STANDALONE) 410 tems.ts_fb_polledio->display(tems.ts_fb_polledio->arg, pda); 411 else 412 tems_display_layered(pda, credp); 413 } 414 415 /* 416 * Copy a rectangle from one location to another on the frame buffer 417 * using the mechanism appropriate for the system state being called 418 * from, quiesced or normal (ie. use polled I/O vs. layered ioctls) 419 */ 420 void 421 tems_safe_copy(struct vis_conscopy *pca, cred_t *credp, 422 enum called_from called_from) 423 { 424 if (called_from == CALLED_FROM_STANDALONE) 425 tems.ts_fb_polledio->copy(tems.ts_fb_polledio->arg, pca); 426 else 427 tems_copy_layered(pca, credp); 428 } 429 430 /* 431 * Display or hide a rectangular block text cursor of a specificsize 432 * at a specific location on frame buffer* using the mechanism 433 * appropriate for the system state being called from, quisced or 434 * normal (ie. use polled I/O vs. layered ioctls). 435 */ 436 static void 437 tems_safe_cursor(struct vis_conscursor *pca, cred_t *credp, 438 enum called_from called_from) 439 { 440 if (called_from == CALLED_FROM_STANDALONE) 441 tems.ts_fb_polledio->cursor(tems.ts_fb_polledio->arg, pca); 442 else 443 tems_cursor_layered(pca, credp); 444 } 445 446 /* 447 * send the appropriate control message or set state based on the 448 * value of the control character ch 449 */ 450 451 static void 452 tem_safe_control(struct tem_vt_state *tem, tem_char_t ch, cred_t *credp, 453 enum called_from called_from) 454 { 455 tem->tvs_state = A_STATE_START; 456 switch (ch) { 457 case A_BEL: 458 tem_safe_bell(tem, called_from); 459 break; 460 461 case A_BS: 462 tem_safe_mv_cursor(tem, 463 tem->tvs_c_cursor.row, 464 tem->tvs_c_cursor.col - 1, 465 credp, called_from); 466 break; 467 468 case A_HT: 469 tem_safe_tab(tem, credp, called_from); 470 break; 471 472 case A_NL: 473 /* 474 * tem_safe_send_data(tem, credp, called_from); 475 * tem_safe_new_line(tem, credp, called_from); 476 * break; 477 */ 478 479 case A_VT: 480 tem_safe_send_data(tem, credp, called_from); 481 tem_safe_lf(tem, credp, called_from); 482 break; 483 484 case A_FF: 485 tem_safe_send_data(tem, credp, called_from); 486 tem_safe_cls(tem, credp, called_from); 487 break; 488 489 case A_CR: 490 tem_safe_send_data(tem, credp, called_from); 491 tem_safe_cr(tem); 492 break; 493 494 case A_ESC: 495 tem->tvs_state = A_STATE_ESC; 496 break; 497 498 case A_CSI: 499 { 500 int i; 501 tem->tvs_curparam = 0; 502 tem->tvs_paramval = 0; 503 tem->tvs_gotparam = B_FALSE; 504 /* clear the parameters */ 505 for (i = 0; i < TEM_MAXPARAMS; i++) 506 tem->tvs_params[i] = -1; 507 tem->tvs_state = A_STATE_CSI; 508 } 509 break; 510 511 case A_GS: 512 tem_safe_back_tab(tem, credp, called_from); 513 break; 514 515 default: 516 break; 517 } 518 } 519 520 521 /* 522 * if parameters [0..count - 1] are not set, set them to the value 523 * of newparam. 524 */ 525 526 static void 527 tem_safe_setparam(struct tem_vt_state *tem, int count, int newparam) 528 { 529 int i; 530 531 for (i = 0; i < count; i++) { 532 if (tem->tvs_params[i] == -1) 533 tem->tvs_params[i] = newparam; 534 } 535 } 536 537 /* 538 * For colors 0-15 the tem is using color code translation 539 * from sun colors to vga (dim_xlate and brt_xlate tables, see tem_get_color). 540 * Colors 16-255 are used without translation. 541 */ 542 static void 543 tem_select_color(struct tem_vt_state *tem, int color, boolean_t fg) 544 { 545 if (color < 0 || color > 255) 546 return; 547 548 /* VGA text mode only does support 16 colors. */ 549 if (tems.ts_display_mode == VIS_TEXT && color > 15) 550 return; 551 552 /* Switch to use indexed colors. */ 553 if (fg == B_TRUE) { 554 tem->tvs_flags &= ~TEM_ATTR_RGB_FG; 555 tem->tvs_fg_color.n = color; 556 } else { 557 tem->tvs_flags &= ~TEM_ATTR_RGB_BG; 558 tem->tvs_bg_color.n = color; 559 } 560 561 /* 562 * For colors 0-7, make sure the BRIGHT attribute is not set. 563 */ 564 if (color < 8) { 565 if (fg == B_TRUE) 566 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_FG; 567 else 568 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_BG; 569 return; 570 } 571 572 /* 573 * For colors 8-15, we use color codes 0-7 and set BRIGHT attribute. 574 */ 575 if (color < 16) { 576 if (fg == B_TRUE) { 577 tem->tvs_fg_color.n -= 8; 578 tem->tvs_flags |= TEM_ATTR_BRIGHT_FG; 579 } else { 580 tem->tvs_bg_color.n -= 8; 581 tem->tvs_flags |= TEM_ATTR_BRIGHT_BG; 582 } 583 } 584 } 585 586 /* 587 * select graphics mode based on the param vals stored in a_params 588 */ 589 static void 590 tem_safe_selgraph(struct tem_vt_state *tem) 591 { 592 int curparam; 593 int count = 0; 594 int param; 595 int r, g, b; 596 597 tem->tvs_state = A_STATE_START; 598 599 curparam = tem->tvs_curparam; 600 do { 601 param = tem->tvs_params[count]; 602 603 switch (param) { 604 case -1: 605 case 0: 606 /* reset to initial normal settings */ 607 tem->tvs_fg_color = tems.ts_init_color.fg_color; 608 tem->tvs_bg_color = tems.ts_init_color.bg_color; 609 tem->tvs_flags = tems.ts_init_color.a_flags; 610 break; 611 612 case 1: /* Bold Intense */ 613 tem->tvs_flags |= TEM_ATTR_BOLD; 614 break; 615 616 case 2: /* Faint Intense */ 617 tem->tvs_flags &= ~TEM_ATTR_BOLD; 618 break; 619 620 case 4: /* Underline */ 621 tem->tvs_flags |= TEM_ATTR_UNDERLINE; 622 break; 623 case 5: /* Blink */ 624 tem->tvs_flags |= TEM_ATTR_BLINK; 625 break; 626 627 case 7: /* Reverse video */ 628 if (tem->tvs_flags & TEM_ATTR_SCREEN_REVERSE) { 629 tem->tvs_flags &= ~TEM_ATTR_REVERSE; 630 } else { 631 tem->tvs_flags |= TEM_ATTR_REVERSE; 632 } 633 break; 634 635 case 22: /* Remove Bold */ 636 tem->tvs_flags &= ~TEM_ATTR_BOLD; 637 break; 638 639 case 24: /* Remove Underline */ 640 tem->tvs_flags &= ~TEM_ATTR_UNDERLINE; 641 break; 642 643 case 25: /* Remove Blink */ 644 tem->tvs_flags &= ~TEM_ATTR_BLINK; 645 break; 646 647 case 27: /* Remove Reverse */ 648 if (tem->tvs_flags & TEM_ATTR_SCREEN_REVERSE) { 649 tem->tvs_flags |= TEM_ATTR_REVERSE; 650 } else { 651 tem->tvs_flags &= ~TEM_ATTR_REVERSE; 652 } 653 break; 654 655 case 30: /* black (grey) foreground */ 656 case 31: /* red (light red) foreground */ 657 case 32: /* green (light green) foreground */ 658 case 33: /* brown (yellow) foreground */ 659 case 34: /* blue (light blue) foreground */ 660 case 35: /* magenta (light magenta) foreground */ 661 case 36: /* cyan (light cyan) foreground */ 662 case 37: /* white (bright white) foreground */ 663 tem->tvs_fg_color.n = param - 30; 664 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_FG; 665 tem->tvs_flags &= ~TEM_ATTR_RGB_FG; 666 break; 667 668 case 38: 669 /* 670 * We should have 3 parameters for 256 colors and 671 * 5 parameters for 24-bit colors. 672 */ 673 if (curparam < 3) { 674 curparam = 0; 675 break; 676 } 677 678 /* 679 * 256 and truecolor needs depth at least 24, but 680 * we still need to process the sequence. 681 */ 682 count++; 683 curparam--; 684 param = tem->tvs_params[count]; 685 switch (param) { 686 case 2: /* RGB colors */ 687 if (curparam < 4) { 688 curparam = 0; 689 break; 690 } 691 r = tem->tvs_params[++count]; 692 g = tem->tvs_params[++count]; 693 b = tem->tvs_params[++count]; 694 curparam -= 3; 695 if (r < 0 || r > 255 || g < 0 || g > 255 || 696 b < 0 || b > 255) 697 break; 698 699 if (tems.ts_display_mode == VIS_PIXEL && 700 tems.ts_pdepth > 8) { 701 tem->tvs_flags |= TEM_ATTR_RGB_FG; 702 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_FG; 703 tem->tvs_fg_color.rgb.a = 704 tem->tvs_alpha; 705 tem->tvs_fg_color.rgb.r = r; 706 tem->tvs_fg_color.rgb.g = g; 707 tem->tvs_fg_color.rgb.b = b; 708 } 709 break; 710 case 5: /* 256 colors */ 711 count++; 712 curparam--; 713 tem_select_color(tem, tem->tvs_params[count], 714 B_TRUE); 715 break; 716 default: 717 curparam = 0; 718 break; 719 } 720 break; 721 722 case 39: 723 /* 724 * Reset the foreground colour and brightness. 725 */ 726 tem->tvs_fg_color = tems.ts_init_color.fg_color; 727 tem->tvs_flags &= ~TEM_ATTR_RGB_FG; 728 if (tems.ts_init_color.a_flags & TEM_ATTR_BRIGHT_FG) 729 tem->tvs_flags |= TEM_ATTR_BRIGHT_FG; 730 else 731 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_FG; 732 break; 733 734 case 40: /* black (grey) background */ 735 case 41: /* red (light red) background */ 736 case 42: /* green (light green) background */ 737 case 43: /* brown (yellow) background */ 738 case 44: /* blue (light blue) background */ 739 case 45: /* magenta (light magenta) background */ 740 case 46: /* cyan (light cyan) background */ 741 case 47: /* white (bright white) background */ 742 tem->tvs_bg_color.n = param - 40; 743 tem->tvs_flags &= ~TEM_ATTR_RGB_BG; 744 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_BG; 745 break; 746 747 case 48: 748 /* 749 * We should have 3 parameters for 256 colors and 750 * 5 parameters for 24-bit colors. 751 */ 752 if (curparam < 3) { 753 curparam = 0; 754 break; 755 } 756 757 /* 758 * 256 and truecolor needs depth at least 24, but 759 * we still need to process the sequence. 760 */ 761 count++; 762 curparam--; 763 param = tem->tvs_params[count]; 764 switch (param) { 765 case 2: /* RGB colors */ 766 if (curparam < 4) { 767 curparam = 0; 768 break; 769 } 770 r = tem->tvs_params[++count]; 771 g = tem->tvs_params[++count]; 772 b = tem->tvs_params[++count]; 773 curparam -= 3; 774 if (r < 0 || r > 255 || g < 0 || g > 255 || 775 b < 0 || b > 255) 776 break; 777 778 if (tems.ts_display_mode == VIS_PIXEL && 779 tems.ts_pdepth > 8) { 780 tem->tvs_flags |= TEM_ATTR_RGB_BG; 781 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_BG; 782 tem->tvs_bg_color.rgb.a = 783 tem->tvs_alpha; 784 tem->tvs_bg_color.rgb.r = r; 785 tem->tvs_bg_color.rgb.g = g; 786 tem->tvs_bg_color.rgb.b = b; 787 } 788 break; 789 case 5: /* 256 colors */ 790 count++; 791 curparam--; 792 tem_select_color(tem, tem->tvs_params[count], 793 B_FALSE); 794 break; 795 default: 796 curparam = 0; 797 break; 798 } 799 break; 800 801 case 49: 802 /* 803 * Reset the background colour and brightness. 804 */ 805 tem->tvs_bg_color = tems.ts_init_color.bg_color; 806 tem->tvs_flags &= ~TEM_ATTR_RGB_BG; 807 if (tems.ts_init_color.a_flags & TEM_ATTR_BRIGHT_BG) 808 tem->tvs_flags |= TEM_ATTR_BRIGHT_BG; 809 else 810 tem->tvs_flags &= ~TEM_ATTR_BRIGHT_BG; 811 break; 812 813 case 90: /* black (grey) foreground */ 814 case 91: /* red (light red) foreground */ 815 case 92: /* green (light green) foreground */ 816 case 93: /* brown (yellow) foreground */ 817 case 94: /* blue (light blue) foreground */ 818 case 95: /* magenta (light magenta) foreground */ 819 case 96: /* cyan (light cyan) foreground */ 820 case 97: /* white (bright white) foreground */ 821 tem->tvs_fg_color.n = param - 90; 822 tem->tvs_flags |= TEM_ATTR_BRIGHT_FG; 823 tem->tvs_flags &= ~TEM_ATTR_RGB_FG; 824 break; 825 826 case 100: /* black (grey) background */ 827 case 101: /* red (light red) background */ 828 case 102: /* green (light green) background */ 829 case 103: /* brown (yellow) background */ 830 case 104: /* blue (light blue) background */ 831 case 105: /* magenta (light magenta) background */ 832 case 106: /* cyan (light cyan) background */ 833 case 107: /* white (bright white) background */ 834 tem->tvs_bg_color.n = param - 100; 835 tem->tvs_flags |= TEM_ATTR_BRIGHT_BG; 836 tem->tvs_flags &= ~TEM_ATTR_RGB_BG; 837 break; 838 839 default: 840 break; 841 } 842 count++; 843 curparam--; 844 845 } while (curparam > 0); 846 } 847 848 /* 849 * Handle window manipulation. 850 */ 851 static void 852 tem_safe_window(struct tem_vt_state *tem, enum called_from called_from) 853 { 854 int curparam; 855 int param; 856 int index = 0; 857 mblk_t *bp; 858 size_t len; 859 char buf[27]; 860 861 tem->tvs_state = A_STATE_START; 862 curparam = tem->tvs_curparam; 863 do { 864 param = tem->tvs_params[index]; 865 866 switch (param) { 867 case 8: /* Resize window to Ps2 lines and Ps3 columns. */ 868 /* We ignore this */ 869 index += 2; 870 curparam -= 2; 871 break; 872 873 case 18: /* Reports terminal size in characters. */ 874 if (called_from == CALLED_FROM_STANDALONE) 875 break; 876 if (!canputnext(tem->tvs_queue)) 877 break; 878 879 /* Response: CSI 8 ; lines ; columns t */ 880 len = snprintf(buf, sizeof (buf), "%c[8;%u;%ut", 881 0x1b, tems.ts_c_dimension.height, 882 tems.ts_c_dimension.width); 883 884 bp = allocb(len, BPRI_HI); 885 if (bp != NULL) { 886 bp->b_datap->db_type = M_CTL; 887 bcopy(buf, bp->b_wptr, len); 888 bp->b_wptr += len; 889 (void) putnext(tem->tvs_queue, bp); 890 } 891 break; 892 } 893 894 index++; 895 curparam--; 896 } while (curparam > 0); 897 } 898 899 /* 900 * perform the appropriate action for the escape sequence 901 * 902 * General rule: This code does not validate the arguments passed. 903 * It assumes that the next lower level will do so. 904 */ 905 static void 906 tem_safe_chkparam(struct tem_vt_state *tem, tem_char_t ch, cred_t *credp, 907 enum called_from called_from) 908 { 909 int i; 910 int row; 911 int col; 912 913 ASSERT((called_from == CALLED_FROM_STANDALONE) || 914 MUTEX_HELD(&tem->tvs_lock)); 915 916 row = tem->tvs_c_cursor.row; 917 col = tem->tvs_c_cursor.col; 918 919 switch (ch) { 920 921 case 'm': /* select terminal graphics mode */ 922 tem_safe_send_data(tem, credp, called_from); 923 tem_safe_selgraph(tem); 924 break; 925 926 case '@': /* insert char */ 927 tem_safe_setparam(tem, 1, 1); 928 tem_safe_shift(tem, tem->tvs_params[0], TEM_SHIFT_RIGHT, 929 credp, called_from); 930 break; 931 932 case 'A': /* cursor up */ 933 tem_safe_setparam(tem, 1, 1); 934 tem_safe_mv_cursor(tem, row - tem->tvs_params[0], col, 935 credp, called_from); 936 break; 937 938 case 'd': /* VPA - vertical position absolute */ 939 tem_safe_setparam(tem, 1, 1); 940 tem_safe_mv_cursor(tem, tem->tvs_params[0] - 1, col, 941 credp, called_from); 942 break; 943 944 case 'e': /* VPR - vertical position relative */ 945 case 'B': /* cursor down */ 946 tem_safe_setparam(tem, 1, 1); 947 tem_safe_mv_cursor(tem, row + tem->tvs_params[0], col, 948 credp, called_from); 949 break; 950 951 case 'a': /* HPR - horizontal position relative */ 952 case 'C': /* cursor right */ 953 tem_safe_setparam(tem, 1, 1); 954 tem_safe_mv_cursor(tem, row, col + tem->tvs_params[0], 955 credp, called_from); 956 break; 957 958 case '`': /* HPA - horizontal position absolute */ 959 tem_safe_setparam(tem, 1, 1); 960 tem_safe_mv_cursor(tem, row, tem->tvs_params[0] - 1, 961 credp, called_from); 962 break; 963 964 case 'D': /* cursor left */ 965 tem_safe_setparam(tem, 1, 1); 966 tem_safe_mv_cursor(tem, row, col - tem->tvs_params[0], 967 credp, called_from); 968 break; 969 970 case 'E': /* CNL cursor next line */ 971 tem_safe_setparam(tem, 1, 1); 972 tem_safe_mv_cursor(tem, row + tem->tvs_params[0], 0, 973 credp, called_from); 974 break; 975 976 case 'F': /* CPL cursor previous line */ 977 tem_safe_setparam(tem, 1, 1); 978 tem_safe_mv_cursor(tem, row - tem->tvs_params[0], 0, 979 credp, called_from); 980 break; 981 982 case 'G': /* cursor horizontal position */ 983 tem_safe_setparam(tem, 1, 1); 984 tem_safe_mv_cursor(tem, row, tem->tvs_params[0] - 1, 985 credp, called_from); 986 break; 987 988 case 'g': /* clear tabs */ 989 tem_safe_setparam(tem, 1, 0); 990 tem_safe_clear_tabs(tem, tem->tvs_params[0]); 991 break; 992 993 case 'f': /* HVP Horizontal and Vertical Position */ 994 case 'H': /* CUP position cursor */ 995 tem_safe_setparam(tem, 2, 1); 996 tem_safe_mv_cursor(tem, 997 tem->tvs_params[0] - 1, 998 tem->tvs_params[1] - 1, 999 credp, called_from); 1000 break; 1001 1002 case 'I': /* CHT - Cursor Horizontal Tab */ 1003 /* Not implemented */ 1004 break; 1005 1006 case 'J': /* ED - Erase in Display */ 1007 tem_safe_send_data(tem, credp, called_from); 1008 tem_safe_setparam(tem, 1, 0); 1009 switch (tem->tvs_params[0]) { 1010 case 0: 1011 /* erase cursor to end of screen */ 1012 /* FIRST erase cursor to end of line */ 1013 tem_safe_clear_chars(tem, 1014 tems.ts_c_dimension.width - 1015 tem->tvs_c_cursor.col, 1016 tem->tvs_c_cursor.row, 1017 tem->tvs_c_cursor.col, credp, called_from); 1018 1019 /* THEN erase lines below the cursor */ 1020 for (row = tem->tvs_c_cursor.row + 1; 1021 row < tems.ts_c_dimension.height; 1022 row++) { 1023 tem_safe_clear_chars(tem, 1024 tems.ts_c_dimension.width, 1025 row, 0, credp, called_from); 1026 } 1027 break; 1028 1029 case 1: 1030 /* erase beginning of screen to cursor */ 1031 /* FIRST erase lines above the cursor */ 1032 for (row = 0; 1033 row < tem->tvs_c_cursor.row; 1034 row++) { 1035 tem_safe_clear_chars(tem, 1036 tems.ts_c_dimension.width, 1037 row, 0, credp, called_from); 1038 } 1039 /* THEN erase beginning of line to cursor */ 1040 tem_safe_clear_chars(tem, 1041 tem->tvs_c_cursor.col + 1, 1042 tem->tvs_c_cursor.row, 1043 0, credp, called_from); 1044 break; 1045 1046 case 2: 1047 /* erase whole screen */ 1048 for (row = 0; 1049 row < tems.ts_c_dimension.height; 1050 row++) { 1051 tem_safe_clear_chars(tem, 1052 tems.ts_c_dimension.width, 1053 row, 0, credp, called_from); 1054 } 1055 break; 1056 } 1057 break; 1058 1059 case 'K': /* EL - Erase in Line */ 1060 tem_safe_send_data(tem, credp, called_from); 1061 tem_safe_setparam(tem, 1, 0); 1062 switch (tem->tvs_params[0]) { 1063 case 0: 1064 /* erase cursor to end of line */ 1065 tem_safe_clear_chars(tem, 1066 (tems.ts_c_dimension.width - 1067 tem->tvs_c_cursor.col), 1068 tem->tvs_c_cursor.row, 1069 tem->tvs_c_cursor.col, 1070 credp, called_from); 1071 break; 1072 1073 case 1: 1074 /* erase beginning of line to cursor */ 1075 tem_safe_clear_chars(tem, 1076 tem->tvs_c_cursor.col + 1, 1077 tem->tvs_c_cursor.row, 1078 0, credp, called_from); 1079 break; 1080 1081 case 2: 1082 /* erase whole line */ 1083 tem_safe_clear_chars(tem, 1084 tems.ts_c_dimension.width, 1085 tem->tvs_c_cursor.row, 1086 0, credp, called_from); 1087 break; 1088 } 1089 break; 1090 1091 case 'L': /* insert line */ 1092 tem_safe_send_data(tem, credp, called_from); 1093 tem_safe_setparam(tem, 1, 1); 1094 tem_safe_scroll(tem, 1095 tem->tvs_c_cursor.row, 1096 tems.ts_c_dimension.height - 1, 1097 tem->tvs_params[0], TEM_SCROLL_DOWN, 1098 credp, called_from); 1099 break; 1100 1101 case 'M': /* delete line */ 1102 tem_safe_send_data(tem, credp, called_from); 1103 tem_safe_setparam(tem, 1, 1); 1104 tem_safe_scroll(tem, 1105 tem->tvs_c_cursor.row, 1106 tems.ts_c_dimension.height - 1, 1107 tem->tvs_params[0], TEM_SCROLL_UP, 1108 credp, called_from); 1109 break; 1110 1111 case 'P': /* DCH - delete char */ 1112 tem_safe_setparam(tem, 1, 1); 1113 tem_safe_shift(tem, tem->tvs_params[0], TEM_SHIFT_LEFT, 1114 credp, called_from); 1115 break; 1116 1117 case 'S': /* scroll up */ 1118 tem_safe_send_data(tem, credp, called_from); 1119 tem_safe_setparam(tem, 1, 1); 1120 tem_safe_scroll(tem, 0, 1121 tems.ts_c_dimension.height - 1, 1122 tem->tvs_params[0], TEM_SCROLL_UP, 1123 credp, called_from); 1124 break; 1125 1126 case 'T': /* scroll down */ 1127 tem_safe_send_data(tem, credp, called_from); 1128 tem_safe_setparam(tem, 1, 1); 1129 tem_safe_scroll(tem, 0, 1130 tems.ts_c_dimension.height - 1, 1131 tem->tvs_params[0], TEM_SCROLL_DOWN, 1132 credp, called_from); 1133 break; 1134 1135 case 't': 1136 tem_safe_send_data(tem, credp, called_from); 1137 tem_safe_window(tem, called_from); 1138 break; 1139 1140 case 'X': /* erase char */ 1141 tem_safe_setparam(tem, 1, 1); 1142 tem_safe_clear_chars(tem, 1143 tem->tvs_params[0], 1144 tem->tvs_c_cursor.row, 1145 tem->tvs_c_cursor.col, 1146 credp, called_from); 1147 break; 1148 1149 case 'Z': /* cursor backward tabulation */ 1150 tem_safe_setparam(tem, 1, 1); 1151 1152 /* 1153 * Rule exception - We do sanity checking here. 1154 * 1155 * Restrict the count to a sane value to keep from 1156 * looping for a long time. There can't be more than one 1157 * tab stop per column, so use that as a limit. 1158 */ 1159 if (tem->tvs_params[0] > tems.ts_c_dimension.width) 1160 tem->tvs_params[0] = tems.ts_c_dimension.width; 1161 1162 for (i = 0; i < tem->tvs_params[0]; i++) 1163 tem_safe_back_tab(tem, credp, called_from); 1164 break; 1165 } 1166 tem->tvs_state = A_STATE_START; 1167 } 1168 1169 static void 1170 tem_safe_chkparam_qmark(struct tem_vt_state *tem, tem_char_t ch, cred_t *credp, 1171 enum called_from called_from) 1172 { 1173 ASSERT((called_from == CALLED_FROM_STANDALONE) || 1174 MUTEX_HELD(&tem->tvs_lock)); 1175 1176 switch (ch) { 1177 case 'h': /* DEC private mode set */ 1178 tem_safe_setparam(tem, 1, 1); 1179 switch (tem->tvs_params[0]) { 1180 case 25: /* show cursor */ 1181 /* 1182 * Note that cursor is not displayed either way 1183 * at this entry point. Clearing the flag ensures 1184 * that on exit from tem_safe_terminal_emulate 1185 * we will display the cursor. 1186 */ 1187 tem_safe_send_data(tem, credp, called_from); 1188 tem->tvs_cursor_hidden = B_FALSE; 1189 break; 1190 } 1191 break; 1192 1193 case 'l': 1194 /* DEC private mode reset */ 1195 tem_safe_setparam(tem, 1, 1); 1196 switch (tem->tvs_params[0]) { 1197 case 25: /* hide cursor */ 1198 /* 1199 * Note that the cursor is not displayed already. 1200 * This is true regardless of the flag state. 1201 * Setting this flag ensures we won't display it 1202 * on exit from tem_safe_terminal_emulate. 1203 */ 1204 tem_safe_send_data(tem, credp, called_from); 1205 tem->tvs_cursor_hidden = B_TRUE; 1206 break; 1207 } 1208 break; 1209 } 1210 tem->tvs_state = A_STATE_START; 1211 } 1212 1213 /* 1214 * Gather the parameters of an ANSI escape sequence 1215 */ 1216 static void 1217 tem_safe_getparams(struct tem_vt_state *tem, tem_char_t ch, 1218 cred_t *credp, enum called_from called_from) 1219 { 1220 ASSERT((called_from == CALLED_FROM_STANDALONE) || 1221 MUTEX_HELD(&tem->tvs_lock)); 1222 1223 if (ch >= '0' && ch <= '9') { 1224 tem->tvs_paramval = ((tem->tvs_paramval * 10) + (ch - '0')); 1225 tem->tvs_gotparam = B_TRUE; /* Remember got parameter */ 1226 return; /* Return immediately */ 1227 } else if (tem->tvs_state == A_STATE_CSI_EQUAL) { 1228 tem->tvs_state = A_STATE_START; 1229 } else if (tem->tvs_state == A_STATE_CSI_QMARK) { 1230 if (tem->tvs_curparam < TEM_MAXPARAMS) { 1231 if (tem->tvs_gotparam) { 1232 /* get the parameter value */ 1233 tem->tvs_params[tem->tvs_curparam] = 1234 tem->tvs_paramval; 1235 } 1236 tem->tvs_curparam++; 1237 } 1238 if (ch == ';') { 1239 /* Restart parameter search */ 1240 tem->tvs_gotparam = B_FALSE; 1241 tem->tvs_paramval = 0; /* No parameter value yet */ 1242 } else { 1243 /* Handle escape sequence */ 1244 tem_safe_chkparam_qmark(tem, ch, credp, called_from); 1245 } 1246 } else { 1247 if (tem->tvs_curparam < TEM_MAXPARAMS) { 1248 if (tem->tvs_gotparam) { 1249 /* get the parameter value */ 1250 tem->tvs_params[tem->tvs_curparam] = 1251 tem->tvs_paramval; 1252 } 1253 tem->tvs_curparam++; 1254 } 1255 1256 if (ch == ';') { 1257 /* Restart parameter search */ 1258 tem->tvs_gotparam = B_FALSE; 1259 tem->tvs_paramval = 0; /* No parameter value yet */ 1260 } else { 1261 /* Handle escape sequence */ 1262 tem_safe_chkparam(tem, ch, credp, called_from); 1263 } 1264 } 1265 } 1266 1267 /* 1268 * Add character to internal buffer. 1269 * When its full, send it to the next layer. 1270 */ 1271 1272 static void 1273 tem_safe_outch(struct tem_vt_state *tem, tem_char_t ch, 1274 cred_t *credp, enum called_from called_from) 1275 { 1276 text_color_t fg; 1277 text_color_t bg; 1278 text_attr_t attr; 1279 1280 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1281 called_from == CALLED_FROM_STANDALONE); 1282 1283 /* buffer up the character until later */ 1284 tem_safe_get_attr(tem, &fg, &bg, &attr, TEM_ATTR_REVERSE); 1285 tem->tvs_outbuf[tem->tvs_outindex].tc_char = ch | TEM_ATTR(attr); 1286 tem->tvs_outbuf[tem->tvs_outindex].tc_fg_color = fg; 1287 tem->tvs_outbuf[tem->tvs_outindex].tc_bg_color = bg; 1288 tem->tvs_outindex++; 1289 tem->tvs_c_cursor.col++; 1290 if (tem->tvs_c_cursor.col >= tems.ts_c_dimension.width) { 1291 tem_safe_send_data(tem, credp, called_from); 1292 tem_safe_new_line(tem, credp, called_from); 1293 } 1294 } 1295 1296 static void 1297 tem_safe_new_line(struct tem_vt_state *tem, 1298 cred_t *credp, enum called_from called_from) 1299 { 1300 tem_safe_cr(tem); 1301 tem_safe_lf(tem, credp, called_from); 1302 } 1303 1304 static void 1305 tem_safe_cr(struct tem_vt_state *tem) 1306 { 1307 tem->tvs_c_cursor.col = 0; 1308 tem_safe_align_cursor(tem); 1309 } 1310 1311 static void 1312 tem_safe_lf(struct tem_vt_state *tem, 1313 cred_t *credp, enum called_from called_from) 1314 { 1315 int row; 1316 1317 ASSERT((called_from == CALLED_FROM_STANDALONE) || 1318 MUTEX_HELD(&tem->tvs_lock)); 1319 1320 /* 1321 * Sanity checking notes: 1322 * . a_nscroll was validated when it was set. 1323 * . Regardless of that, tem_safe_scroll and tem_safe_mv_cursor 1324 * will prevent anything bad from happening. 1325 */ 1326 row = tem->tvs_c_cursor.row + 1; 1327 1328 if (row >= tems.ts_c_dimension.height) { 1329 if (tem->tvs_nscroll != 0) { 1330 tem_safe_scroll(tem, 0, 1331 tems.ts_c_dimension.height - 1, 1332 tem->tvs_nscroll, TEM_SCROLL_UP, 1333 credp, called_from); 1334 row = tems.ts_c_dimension.height - 1335 tem->tvs_nscroll; 1336 } else { /* no scroll */ 1337 /* 1338 * implement Esc[#r when # is zero. This means no 1339 * scroll but just return cursor to top of screen, 1340 * do not clear screen. 1341 */ 1342 row = 0; 1343 } 1344 } 1345 1346 tem_safe_mv_cursor(tem, row, tem->tvs_c_cursor.col, 1347 credp, called_from); 1348 1349 if (tem->tvs_nscroll == 0) { 1350 /* erase rest of cursor line */ 1351 tem_safe_clear_chars(tem, 1352 tems.ts_c_dimension.width - 1353 tem->tvs_c_cursor.col, 1354 tem->tvs_c_cursor.row, 1355 tem->tvs_c_cursor.col, 1356 credp, called_from); 1357 1358 } 1359 1360 tem_safe_align_cursor(tem); 1361 } 1362 1363 static void 1364 tem_safe_send_data(struct tem_vt_state *tem, cred_t *credp, 1365 enum called_from called_from) 1366 { 1367 ASSERT((called_from == CALLED_FROM_STANDALONE) || 1368 MUTEX_HELD(&tem->tvs_lock)); 1369 1370 if (tem->tvs_outindex == 0) { 1371 tem_safe_align_cursor(tem); 1372 return; 1373 } 1374 1375 tem_safe_virtual_display(tem, 1376 tem->tvs_outbuf, tem->tvs_outindex, 1377 tem->tvs_s_cursor.row, tem->tvs_s_cursor.col); 1378 1379 if (tem->tvs_isactive) { 1380 /* 1381 * Call the primitive to render this data. 1382 */ 1383 tem_safe_callback_display(tem, 1384 tem->tvs_outbuf, tem->tvs_outindex, 1385 tem->tvs_s_cursor.row, tem->tvs_s_cursor.col, 1386 credp, called_from); 1387 } 1388 1389 tem->tvs_outindex = 0; 1390 1391 tem_safe_align_cursor(tem); 1392 } 1393 1394 1395 /* 1396 * We have just done something to the current output point. Reset the start 1397 * point for the buffered data in a_outbuf. There shouldn't be any data 1398 * buffered yet. 1399 */ 1400 static void 1401 tem_safe_align_cursor(struct tem_vt_state *tem) 1402 { 1403 tem->tvs_s_cursor.row = tem->tvs_c_cursor.row; 1404 tem->tvs_s_cursor.col = tem->tvs_c_cursor.col; 1405 } 1406 1407 /* 1408 * State machine parser based on the current state and character input 1409 * major terminations are to control character or normal character 1410 */ 1411 1412 static void 1413 tem_safe_parse(struct tem_vt_state *tem, tem_char_t ch, 1414 cred_t *credp, enum called_from called_from) 1415 { 1416 int i; 1417 1418 ASSERT((called_from == CALLED_FROM_STANDALONE) || 1419 MUTEX_HELD(&tem->tvs_lock)); 1420 1421 if (tem->tvs_state == A_STATE_START) { /* Normal state? */ 1422 if (ch == A_CSI || ch == A_ESC || ch < ' ') { 1423 /* Control */ 1424 tem_safe_control(tem, ch, credp, called_from); 1425 } else { 1426 /* Display */ 1427 tem_safe_outch(tem, ch, credp, called_from); 1428 } 1429 return; 1430 } 1431 1432 /* In <ESC> sequence */ 1433 if (tem->tvs_state != A_STATE_ESC) { /* Need to get parameters? */ 1434 if (tem->tvs_state != A_STATE_CSI) { 1435 tem_safe_getparams(tem, ch, credp, called_from); 1436 return; 1437 } 1438 1439 switch (ch) { 1440 case '?': 1441 tem->tvs_state = A_STATE_CSI_QMARK; 1442 return; 1443 case '=': 1444 tem->tvs_state = A_STATE_CSI_EQUAL; 1445 return; 1446 case 's': 1447 /* 1448 * As defined below, this sequence 1449 * saves the cursor. However, Sun 1450 * defines ESC[s as reset. We resolved 1451 * the conflict by selecting reset as it 1452 * is exported in the termcap file for 1453 * sun-mon, while the "save cursor" 1454 * definition does not exist anywhere in 1455 * /etc/termcap. 1456 * However, having no coherent 1457 * definition of reset, we have not 1458 * implemented it. 1459 */ 1460 1461 /* 1462 * Original code 1463 * tem->tvs_r_cursor.row = tem->tvs_c_cursor.row; 1464 * tem->tvs_r_cursor.col = tem->tvs_c_cursor.col; 1465 * tem->tvs_state = A_STATE_START; 1466 */ 1467 1468 tem->tvs_state = A_STATE_START; 1469 return; 1470 case 'u': 1471 tem_safe_mv_cursor(tem, tem->tvs_r_cursor.row, 1472 tem->tvs_r_cursor.col, credp, called_from); 1473 tem->tvs_state = A_STATE_START; 1474 return; 1475 case 'p': /* sunbow */ 1476 tem_safe_send_data(tem, credp, called_from); 1477 /* 1478 * Don't set anything if we are 1479 * already as we want to be. 1480 */ 1481 if (tem->tvs_flags & TEM_ATTR_SCREEN_REVERSE) { 1482 tem->tvs_flags &= ~TEM_ATTR_SCREEN_REVERSE; 1483 /* 1484 * If we have switched the characters to be the 1485 * inverse from the screen, then switch them as 1486 * well to keep them the inverse of the screen. 1487 */ 1488 if (tem->tvs_flags & TEM_ATTR_REVERSE) 1489 tem->tvs_flags &= ~TEM_ATTR_REVERSE; 1490 else 1491 tem->tvs_flags |= TEM_ATTR_REVERSE; 1492 } 1493 tem_safe_cls(tem, credp, called_from); 1494 tem->tvs_state = A_STATE_START; 1495 return; 1496 case 'q': /* sunwob */ 1497 tem_safe_send_data(tem, credp, called_from); 1498 /* 1499 * Don't set anything if we are 1500 * already where as we want to be. 1501 */ 1502 if (!(tem->tvs_flags & TEM_ATTR_SCREEN_REVERSE)) { 1503 tem->tvs_flags |= TEM_ATTR_SCREEN_REVERSE; 1504 /* 1505 * If we have switched the characters to be the 1506 * inverse from the screen, then switch them as 1507 * well to keep them the inverse of the screen. 1508 */ 1509 if (!(tem->tvs_flags & TEM_ATTR_REVERSE)) 1510 tem->tvs_flags |= TEM_ATTR_REVERSE; 1511 else 1512 tem->tvs_flags &= ~TEM_ATTR_REVERSE; 1513 } 1514 1515 tem_safe_cls(tem, credp, called_from); 1516 tem->tvs_state = A_STATE_START; 1517 return; 1518 case 'r': /* sunscrl */ 1519 /* 1520 * Rule exception: check for validity here. 1521 */ 1522 tem->tvs_nscroll = tem->tvs_paramval; 1523 if (tem->tvs_nscroll > tems.ts_c_dimension.height) 1524 tem->tvs_nscroll = tems.ts_c_dimension.height; 1525 if (tem->tvs_nscroll < 0) 1526 tem->tvs_nscroll = 1; 1527 tem->tvs_state = A_STATE_START; 1528 return; 1529 default: 1530 tem_safe_getparams(tem, ch, credp, called_from); 1531 return; 1532 } 1533 } 1534 1535 /* Previous char was <ESC> */ 1536 if (ch == '[') { 1537 tem->tvs_curparam = 0; 1538 tem->tvs_paramval = 0; 1539 tem->tvs_gotparam = B_FALSE; 1540 /* clear the parameters */ 1541 for (i = 0; i < TEM_MAXPARAMS; i++) 1542 tem->tvs_params[i] = -1; 1543 tem->tvs_state = A_STATE_CSI; 1544 } else if (ch == 'Q') { /* <ESC>Q ? */ 1545 tem->tvs_state = A_STATE_START; 1546 } else if (ch == 'C') { /* <ESC>C ? */ 1547 tem->tvs_state = A_STATE_START; 1548 } else { 1549 tem->tvs_state = A_STATE_START; 1550 if (ch == 'c') { 1551 /* ESC c resets display */ 1552 tem_safe_reset_display(tem, credp, called_from, 1553 B_TRUE, B_TRUE); 1554 } else if (ch == 'H') { 1555 /* ESC H sets a tab */ 1556 tem_safe_set_tab(tem); 1557 } else if (ch == '7') { 1558 /* ESC 7 Save Cursor position */ 1559 tem->tvs_r_cursor.row = tem->tvs_c_cursor.row; 1560 tem->tvs_r_cursor.col = tem->tvs_c_cursor.col; 1561 } else if (ch == '8') { 1562 /* ESC 8 Restore Cursor position */ 1563 tem_safe_mv_cursor(tem, tem->tvs_r_cursor.row, 1564 tem->tvs_r_cursor.col, credp, called_from); 1565 /* check for control chars */ 1566 } else if (ch < ' ') { 1567 tem_safe_control(tem, ch, credp, called_from); 1568 } else { 1569 tem_safe_outch(tem, ch, credp, called_from); 1570 } 1571 } 1572 } 1573 1574 /* ARGSUSED */ 1575 static void 1576 tem_safe_bell(struct tem_vt_state *tem, enum called_from called_from) 1577 { 1578 if (called_from == CALLED_FROM_STANDALONE) 1579 (void) beep_polled(BEEP_CONSOLE); 1580 else 1581 (void) beep(BEEP_CONSOLE); 1582 } 1583 1584 1585 static void 1586 tem_safe_scroll(struct tem_vt_state *tem, int start, int end, int count, 1587 int direction, cred_t *credp, enum called_from called_from) 1588 { 1589 int row; 1590 int lines_affected; 1591 1592 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1593 called_from == CALLED_FROM_STANDALONE); 1594 1595 lines_affected = end - start + 1; 1596 if (count > lines_affected) 1597 count = lines_affected; 1598 if (count <= 0) 1599 return; 1600 1601 switch (direction) { 1602 case TEM_SCROLL_UP: 1603 if (count < lines_affected) { 1604 tem_safe_copy_area(tem, 0, start + count, 1605 tems.ts_c_dimension.width - 1, end, 1606 0, start, credp, called_from); 1607 } 1608 for (row = (end - count) + 1; row <= end; row++) { 1609 tem_safe_clear_chars(tem, tems.ts_c_dimension.width, 1610 row, 0, credp, called_from); 1611 } 1612 break; 1613 1614 case TEM_SCROLL_DOWN: 1615 if (count < lines_affected) { 1616 tem_safe_copy_area(tem, 0, start, 1617 tems.ts_c_dimension.width - 1, 1618 end - count, 0, start + count, 1619 credp, called_from); 1620 } 1621 for (row = start; row < start + count; row++) { 1622 tem_safe_clear_chars(tem, tems.ts_c_dimension.width, 1623 row, 0, credp, called_from); 1624 } 1625 break; 1626 } 1627 } 1628 1629 static int 1630 tem_copy_width(term_char_t *src, term_char_t *dst, int cols) 1631 { 1632 int width = cols - 1; 1633 1634 while (width >= 0) { 1635 /* We can't compare images. */ 1636 if (TEM_CHAR_ATTR(src[width].tc_char) == TEM_ATTR_IMAGE || 1637 TEM_CHAR_ATTR(dst[width].tc_char) == TEM_ATTR_IMAGE) 1638 break; 1639 1640 /* 1641 * Find difference on line, compare char with its attributes 1642 * and colors. 1643 */ 1644 if (src[width].tc_char != dst[width].tc_char || 1645 src[width].tc_fg_color.n != dst[width].tc_fg_color.n || 1646 src[width].tc_bg_color.n != dst[width].tc_bg_color.n) { 1647 break; 1648 } 1649 width--; 1650 } 1651 return (width + 1); 1652 } 1653 1654 static void 1655 tem_safe_copy_area(struct tem_vt_state *tem, 1656 screen_pos_t s_col, screen_pos_t s_row, 1657 screen_pos_t e_col, screen_pos_t e_row, 1658 screen_pos_t t_col, screen_pos_t t_row, 1659 cred_t *credp, enum called_from called_from) 1660 { 1661 size_t soffset, toffset; 1662 term_char_t *src, *dst; 1663 int rows; 1664 int cols; 1665 1666 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1667 called_from == CALLED_FROM_STANDALONE); 1668 1669 if (s_col < 0 || s_row < 0 || 1670 e_col < 0 || e_row < 0 || 1671 t_col < 0 || t_row < 0 || 1672 s_col >= tems.ts_c_dimension.width || 1673 e_col >= tems.ts_c_dimension.width || 1674 t_col >= tems.ts_c_dimension.width || 1675 s_row >= tems.ts_c_dimension.height || 1676 e_row >= tems.ts_c_dimension.height || 1677 t_row >= tems.ts_c_dimension.height) 1678 return; 1679 1680 if (s_row > e_row || s_col > e_col) 1681 return; 1682 1683 rows = e_row - s_row + 1; 1684 cols = e_col - s_col + 1; 1685 if (t_row + rows > tems.ts_c_dimension.height || 1686 t_col + cols > tems.ts_c_dimension.width) 1687 return; 1688 1689 soffset = s_col + s_row * tems.ts_c_dimension.width; 1690 toffset = t_col + t_row * tems.ts_c_dimension.width; 1691 src = tem->tvs_screen_buf + soffset; 1692 dst = tem->tvs_screen_buf + toffset; 1693 1694 /* 1695 * Copy line by line. We determine the length by comparing the 1696 * screen content from cached text in tvs_screen_buf. 1697 */ 1698 if (toffset <= soffset) { 1699 for (int i = 0; i < rows; i++) { 1700 int increment = i * tems.ts_c_dimension.width; 1701 int width; 1702 1703 width = tem_copy_width(src + increment, 1704 dst + increment, cols); 1705 1706 tem_safe_virtual_copy(tem, s_col, s_row + i, 1707 e_col - cols + width, s_row + i, 1708 t_col, t_row + i); 1709 1710 if (tem->tvs_isactive) { 1711 tem_safe_callback_copy(tem, s_col, s_row + i, 1712 e_col - cols + width, s_row + i, 1713 t_col, t_row + i, credp, called_from); 1714 } 1715 } 1716 } else { 1717 for (int i = rows - 1; i >= 0; i--) { 1718 int increment = i * tems.ts_c_dimension.width; 1719 int width; 1720 1721 width = tem_copy_width(src + increment, 1722 dst + increment, cols); 1723 1724 tem_safe_virtual_copy(tem, s_col, s_row + i, 1725 e_col - cols + width, s_row + i, 1726 t_col, t_row + i); 1727 1728 if (tem->tvs_isactive) { 1729 tem_safe_callback_copy(tem, s_col, s_row + i, 1730 e_col - cols + width, s_row + i, 1731 t_col, t_row + i, credp, called_from); 1732 } 1733 } 1734 } 1735 } 1736 1737 static void 1738 tem_safe_clear_chars(struct tem_vt_state *tem, int count, screen_pos_t row, 1739 screen_pos_t col, cred_t *credp, enum called_from called_from) 1740 { 1741 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1742 called_from == CALLED_FROM_STANDALONE); 1743 1744 if (row < 0 || row >= tems.ts_c_dimension.height || 1745 col < 0 || col >= tems.ts_c_dimension.width || 1746 count < 0) 1747 return; 1748 1749 /* 1750 * Note that very large values of "count" could cause col+count 1751 * to overflow, so we check "count" independently. 1752 */ 1753 if (count > tems.ts_c_dimension.width || 1754 col + count > tems.ts_c_dimension.width) 1755 count = tems.ts_c_dimension.width - col; 1756 1757 tem_safe_virtual_cls(tem, count, row, col); 1758 1759 if (!tem->tvs_isactive) 1760 return; 1761 1762 tem_safe_callback_cls(tem, count, row, col, credp, called_from); 1763 } 1764 1765 /*ARGSUSED*/ 1766 void 1767 tem_safe_text_display(struct tem_vt_state *tem, term_char_t *string, 1768 int count, screen_pos_t row, screen_pos_t col, 1769 cred_t *credp, enum called_from called_from) 1770 { 1771 struct vis_consdisplay da; 1772 int i; 1773 tem_char_t c; 1774 text_color_t bg, fg; 1775 1776 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1777 called_from == CALLED_FROM_STANDALONE); 1778 1779 da.data = (uint8_t *)&c; 1780 da.width = 1; 1781 da.row = row; 1782 da.col = col; 1783 1784 for (i = 0; i < count; i++) { 1785 tem_safe_get_color(tem, &fg, &bg, &string[i]); 1786 tem_safe_set_color(&fg, &da.fg_color); 1787 tem_safe_set_color(&bg, &da.bg_color); 1788 c = TEM_CHAR(string[i].tc_char); 1789 tems_safe_display(&da, credp, called_from); 1790 da.col++; 1791 } 1792 } 1793 1794 #if 0 1795 /* 1796 * This function is used to blit a rectangular color image, 1797 * unperturbed on the underlying framebuffer, to render 1798 * icons and pictures. The data is a pixel pattern that 1799 * fills a rectangle bounded to the width and height parameters. 1800 * The color pixel data must to be pre-adjusted by the caller 1801 * for the current video depth. 1802 * 1803 * This function is unused now. 1804 */ 1805 /*ARGSUSED*/ 1806 static void 1807 tem_safe_image_display(struct tem_vt_state *tem, uchar_t *image, 1808 int height, int width, screen_pos_t row, screen_pos_t col, 1809 cred_t *credp, enum called_from called_from) 1810 { 1811 struct vis_consdisplay da; 1812 1813 mutex_enter(&tems.ts_lock); 1814 mutex_enter(&tem->tvs_lock); 1815 1816 da.data = image; 1817 da.width = (screen_size_t)width; 1818 da.height = (screen_size_t)height; 1819 da.row = row; 1820 da.col = col; 1821 1822 tems_safe_display(&da, credp, called_from); 1823 1824 mutex_exit(&tem->tvs_lock); 1825 mutex_exit(&tems.ts_lock); 1826 } 1827 #endif 1828 1829 /*ARGSUSED*/ 1830 void 1831 tem_safe_text_copy(struct tem_vt_state *tem, 1832 screen_pos_t s_col, screen_pos_t s_row, 1833 screen_pos_t e_col, screen_pos_t e_row, 1834 screen_pos_t t_col, screen_pos_t t_row, 1835 cred_t *credp, enum called_from called_from) 1836 { 1837 struct vis_conscopy da; 1838 1839 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1840 called_from == CALLED_FROM_STANDALONE); 1841 1842 da.s_row = s_row; 1843 da.s_col = s_col; 1844 da.e_row = e_row; 1845 da.e_col = e_col; 1846 da.t_row = t_row; 1847 da.t_col = t_col; 1848 1849 tems_safe_copy(&da, credp, called_from); 1850 } 1851 1852 void 1853 tem_safe_text_cls(struct tem_vt_state *tem, 1854 int count, screen_pos_t row, screen_pos_t col, cred_t *credp, 1855 enum called_from called_from) 1856 { 1857 text_attr_t attr; 1858 term_char_t c; 1859 int i; 1860 1861 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1862 called_from == CALLED_FROM_STANDALONE); 1863 1864 tem_safe_get_attr(tem, &c.tc_fg_color, &c.tc_bg_color, &attr, 1865 TEM_ATTR_SCREEN_REVERSE); 1866 c.tc_char = TEM_ATTR(attr & ~TEM_ATTR_UNDERLINE) | ' '; 1867 1868 if (count > tems.ts_c_dimension.width || 1869 col + count > tems.ts_c_dimension.width) 1870 count = tems.ts_c_dimension.width - col; 1871 1872 for (i = 0; i < count; i++) 1873 tems.ts_blank_line[i] = c; 1874 1875 tem_safe_text_display(tem, tems.ts_blank_line, count, row, col, 1876 credp, called_from); 1877 } 1878 1879 void 1880 tem_safe_pix_display(struct tem_vt_state *tem, 1881 term_char_t *string, int count, 1882 screen_pos_t row, screen_pos_t col, 1883 cred_t *credp, enum called_from called_from) 1884 { 1885 struct vis_consdisplay da; 1886 int i; 1887 1888 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1889 called_from == CALLED_FROM_STANDALONE); 1890 1891 da.data = (uchar_t *)tem->tvs_pix_data; 1892 da.width = (screen_size_t)tems.ts_font.vf_width; 1893 da.height = (screen_size_t)tems.ts_font.vf_height; 1894 da.row = (row * da.height) + tems.ts_p_offset.y; 1895 da.col = (col * da.width) + tems.ts_p_offset.x; 1896 1897 for (i = 0; i < count; i++) { 1898 /* Do not display image area */ 1899 if (!TEM_ATTR_ISSET(string[i].tc_char, TEM_ATTR_IMAGE)) { 1900 tem_safe_callback_bit2pix(tem, &string[i]); 1901 tems_safe_display(&da, credp, called_from); 1902 } 1903 da.col += da.width; 1904 } 1905 } 1906 1907 void 1908 tem_safe_pix_copy(struct tem_vt_state *tem, 1909 screen_pos_t s_col, screen_pos_t s_row, 1910 screen_pos_t e_col, screen_pos_t e_row, 1911 screen_pos_t t_col, screen_pos_t t_row, 1912 cred_t *credp, 1913 enum called_from called_from) 1914 { 1915 struct vis_conscopy ma; 1916 static boolean_t need_clear = B_TRUE; 1917 1918 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 1919 called_from == CALLED_FROM_STANDALONE); 1920 1921 if (need_clear && tem->tvs_first_line > 0) { 1922 /* 1923 * Clear OBP output above our kernel console term 1924 * when our kernel console term begins to scroll up, 1925 * we hope it is user friendly. 1926 * (Also see comments on tem_safe_pix_clear_prom_output) 1927 * 1928 * This is only one time call. 1929 */ 1930 tem_safe_pix_clear_prom_output(tem, credp, called_from); 1931 } 1932 need_clear = B_FALSE; 1933 1934 ma.s_row = s_row * tems.ts_font.vf_height + tems.ts_p_offset.y; 1935 ma.e_row = (e_row + 1) * tems.ts_font.vf_height + 1936 tems.ts_p_offset.y - 1; 1937 ma.t_row = t_row * tems.ts_font.vf_height + tems.ts_p_offset.y; 1938 1939 /* 1940 * Check if we're in process of clearing OBP's columns area, 1941 * which only happens when term scrolls up a whole line. 1942 */ 1943 if (tem->tvs_first_line > 0 && t_row < s_row && t_col == 0 && 1944 e_col == tems.ts_c_dimension.width - 1) { 1945 /* 1946 * We need to clear OBP's columns area outside our kernel 1947 * console term. So that we set ma.e_col to entire row here. 1948 */ 1949 ma.s_col = s_col * tems.ts_font.vf_width; 1950 ma.e_col = tems.ts_p_dimension.width - 1; 1951 1952 ma.t_col = t_col * tems.ts_font.vf_width; 1953 } else { 1954 ma.s_col = s_col * tems.ts_font.vf_width + tems.ts_p_offset.x; 1955 ma.e_col = (e_col + 1) * tems.ts_font.vf_width + 1956 tems.ts_p_offset.x - 1; 1957 ma.t_col = t_col * tems.ts_font.vf_width + tems.ts_p_offset.x; 1958 } 1959 1960 tems_safe_copy(&ma, credp, called_from); 1961 1962 if (tem->tvs_first_line > 0 && t_row < s_row) { 1963 /* We have scrolled up (s_row - t_row) rows. */ 1964 tem->tvs_first_line -= (s_row - t_row); 1965 if (tem->tvs_first_line <= 0) { 1966 /* All OBP rows have been cleared. */ 1967 tem->tvs_first_line = 0; 1968 } 1969 } 1970 1971 } 1972 1973 void 1974 tem_safe_pix_bit2pix(struct tem_vt_state *tem, term_char_t *c) 1975 { 1976 text_color_t fg, bg; 1977 void (*fp)(struct tem_vt_state *, tem_char_t, 1978 text_color_t, text_color_t); 1979 1980 tem_safe_get_color(tem, &fg, &bg, c); 1981 switch (tems.ts_pdepth) { 1982 case 4: 1983 fp = bit_to_pix4; 1984 break; 1985 case 8: 1986 fp = bit_to_pix8; 1987 break; 1988 case 15: 1989 case 16: 1990 fp = bit_to_pix16; 1991 break; 1992 case 24: 1993 fp = bit_to_pix24; 1994 break; 1995 case 32: 1996 fp = bit_to_pix32; 1997 break; 1998 default: 1999 return; 2000 } 2001 2002 fp(tem, c->tc_char, fg, bg); 2003 } 2004 2005 2006 /* 2007 * This function only clears count of columns in one row 2008 */ 2009 void 2010 tem_safe_pix_cls(struct tem_vt_state *tem, int count, 2011 screen_pos_t row, screen_pos_t col, cred_t *credp, 2012 enum called_from called_from) 2013 { 2014 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2015 called_from == CALLED_FROM_STANDALONE); 2016 2017 tem_safe_pix_cls_range(tem, row, 1, tems.ts_p_offset.y, 2018 col, count, tems.ts_p_offset.x, B_FALSE, credp, called_from); 2019 } 2020 2021 /* 2022 * This function clears OBP output above our kernel console term area 2023 * because OBP's term may have a bigger terminal window than that of 2024 * our kernel console term. So we need to clear OBP output garbage outside 2025 * of our kernel console term at a proper time, which is when the first 2026 * row output of our kernel console term scrolls at the first screen line. 2027 * 2028 * _________________________________ 2029 * | _____________________ | ---> OBP's bigger term window 2030 * | | | | 2031 * |___| | | 2032 * | | | | | 2033 * | | | | | 2034 * |_|_|___________________|_______| 2035 * | | | ---> first line 2036 * | |___________________|---> our kernel console term window 2037 * | 2038 * |---> columns area to be cleared 2039 * 2040 * This function only takes care of the output above our kernel console term, 2041 * and tem_prom_scroll_up takes care of columns area outside of our kernel 2042 * console term. 2043 */ 2044 static void 2045 tem_safe_pix_clear_prom_output(struct tem_vt_state *tem, cred_t *credp, 2046 enum called_from called_from) 2047 { 2048 int nrows, ncols, width, height, offset; 2049 2050 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2051 called_from == CALLED_FROM_STANDALONE); 2052 2053 width = tems.ts_font.vf_width; 2054 height = tems.ts_font.vf_height; 2055 offset = tems.ts_p_offset.y % height; 2056 2057 nrows = tems.ts_p_offset.y / height; 2058 ncols = (tems.ts_p_dimension.width + (width - 1))/ width; 2059 2060 if (nrows > 0) 2061 tem_safe_pix_cls_range(tem, 0, nrows, offset, 0, ncols, 0, 2062 B_FALSE, credp, called_from); 2063 } 2064 2065 /* 2066 * clear the whole screen for pixel mode, just clear the 2067 * physical screen. 2068 */ 2069 void 2070 tem_safe_pix_clear_entire_screen(struct tem_vt_state *tem, cred_t *credp, 2071 enum called_from called_from) 2072 { 2073 struct vis_consclear cl; 2074 text_color_t fg_color; 2075 text_color_t bg_color; 2076 text_attr_t attr; 2077 term_char_t c; 2078 int nrows, ncols, width, height; 2079 2080 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2081 called_from == CALLED_FROM_STANDALONE); 2082 2083 /* call driver first, if error, clear terminal area */ 2084 tem_safe_get_attr(tem, &c.tc_fg_color, &c.tc_bg_color, &attr, 2085 TEM_ATTR_SCREEN_REVERSE); 2086 c.tc_char = TEM_ATTR(attr); 2087 2088 tem_safe_get_color(tem, &fg_color, &bg_color, &c); 2089 tem_safe_set_color(&bg_color, &cl.bg_color); 2090 if (tems_cls_layered(&cl, credp) == 0) 2091 return; 2092 2093 width = tems.ts_font.vf_width; 2094 height = tems.ts_font.vf_height; 2095 2096 nrows = (tems.ts_p_dimension.height + (height - 1))/ height; 2097 ncols = (tems.ts_p_dimension.width + (width - 1))/ width; 2098 2099 tem_safe_pix_cls_range(tem, 0, nrows, tems.ts_p_offset.y, 0, ncols, 2100 tems.ts_p_offset.x, B_FALSE, credp, called_from); 2101 2102 /* 2103 * Since the whole screen is cleared, we don't need 2104 * to clear OBP output later. 2105 */ 2106 if (tem->tvs_first_line > 0) 2107 tem->tvs_first_line = 0; 2108 } 2109 2110 /* 2111 * clear the whole screen, including the virtual screen buffer, 2112 * and reset the cursor to start point. 2113 */ 2114 static void 2115 tem_safe_cls(struct tem_vt_state *tem, 2116 cred_t *credp, enum called_from called_from) 2117 { 2118 int row; 2119 2120 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2121 called_from == CALLED_FROM_STANDALONE); 2122 2123 if (tems.ts_display_mode == VIS_TEXT) { 2124 for (row = 0; row < tems.ts_c_dimension.height; row++) { 2125 tem_safe_clear_chars(tem, tems.ts_c_dimension.width, 2126 row, 0, credp, called_from); 2127 } 2128 tem->tvs_c_cursor.row = 0; 2129 tem->tvs_c_cursor.col = 0; 2130 tem_safe_align_cursor(tem); 2131 return; 2132 } 2133 2134 ASSERT(tems.ts_display_mode == VIS_PIXEL); 2135 2136 for (row = 0; row < tems.ts_c_dimension.height; row++) { 2137 tem_safe_virtual_cls(tem, tems.ts_c_dimension.width, row, 0); 2138 } 2139 tem->tvs_c_cursor.row = 0; 2140 tem->tvs_c_cursor.col = 0; 2141 tem_safe_align_cursor(tem); 2142 2143 if (!tem->tvs_isactive) 2144 return; 2145 2146 tem_safe_pix_clear_entire_screen(tem, credp, called_from); 2147 } 2148 2149 static void 2150 tem_safe_back_tab(struct tem_vt_state *tem, 2151 cred_t *credp, enum called_from called_from) 2152 { 2153 int i; 2154 screen_pos_t tabstop; 2155 2156 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2157 called_from == CALLED_FROM_STANDALONE); 2158 2159 tabstop = 0; 2160 2161 for (i = tem->tvs_ntabs - 1; i >= 0; i--) { 2162 if (tem->tvs_tabs[i] < tem->tvs_c_cursor.col) { 2163 tabstop = tem->tvs_tabs[i]; 2164 break; 2165 } 2166 } 2167 2168 tem_safe_mv_cursor(tem, tem->tvs_c_cursor.row, 2169 tabstop, credp, called_from); 2170 } 2171 2172 static void 2173 tem_safe_tab(struct tem_vt_state *tem, 2174 cred_t *credp, enum called_from called_from) 2175 { 2176 size_t i; 2177 screen_pos_t tabstop; 2178 2179 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2180 called_from == CALLED_FROM_STANDALONE); 2181 2182 tabstop = tems.ts_c_dimension.width - 1; 2183 2184 for (i = 0; i < tem->tvs_ntabs; i++) { 2185 if (tem->tvs_tabs[i] > tem->tvs_c_cursor.col) { 2186 tabstop = tem->tvs_tabs[i]; 2187 break; 2188 } 2189 } 2190 2191 tem_safe_mv_cursor(tem, tem->tvs_c_cursor.row, 2192 tabstop, credp, called_from); 2193 } 2194 2195 static void 2196 tem_safe_set_tab(struct tem_vt_state *tem) 2197 { 2198 size_t i, j; 2199 2200 if (tem->tvs_ntabs == tem->tvs_maxtab) 2201 return; 2202 if (tem->tvs_ntabs == 0 || 2203 tem->tvs_tabs[tem->tvs_ntabs] < tem->tvs_c_cursor.col) { 2204 tem->tvs_tabs[tem->tvs_ntabs++] = tem->tvs_c_cursor.col; 2205 return; 2206 } 2207 for (i = 0; i < tem->tvs_ntabs; i++) { 2208 if (tem->tvs_tabs[i] == tem->tvs_c_cursor.col) 2209 return; 2210 if (tem->tvs_tabs[i] > tem->tvs_c_cursor.col) { 2211 for (j = tem->tvs_ntabs - 1; j >= i; j--) 2212 tem->tvs_tabs[j+ 1] = tem->tvs_tabs[j]; 2213 tem->tvs_tabs[i] = tem->tvs_c_cursor.col; 2214 tem->tvs_ntabs++; 2215 return; 2216 } 2217 } 2218 } 2219 2220 static void 2221 tem_safe_clear_tabs(struct tem_vt_state *tem, int action) 2222 { 2223 size_t i, j; 2224 2225 switch (action) { 2226 case 3: /* clear all tabs */ 2227 tem->tvs_ntabs = 0; 2228 break; 2229 case 0: /* clr tab at cursor */ 2230 2231 for (i = 0; i < tem->tvs_ntabs; i++) { 2232 if (tem->tvs_tabs[i] == tem->tvs_c_cursor.col) { 2233 tem->tvs_ntabs--; 2234 for (j = i; j < tem->tvs_ntabs; j++) 2235 tem->tvs_tabs[j] = tem->tvs_tabs[j + 1]; 2236 return; 2237 } 2238 } 2239 break; 2240 } 2241 } 2242 2243 static void 2244 tem_safe_mv_cursor(struct tem_vt_state *tem, int row, int col, 2245 cred_t *credp, enum called_from called_from) 2246 { 2247 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2248 called_from == CALLED_FROM_STANDALONE); 2249 2250 /* 2251 * Sanity check and bounds enforcement. Out of bounds requests are 2252 * clipped to the screen boundaries. This seems to be what SPARC 2253 * does. 2254 */ 2255 if (row < 0) 2256 row = 0; 2257 if (row >= tems.ts_c_dimension.height) 2258 row = tems.ts_c_dimension.height - 1; 2259 if (col < 0) 2260 col = 0; 2261 if (col >= tems.ts_c_dimension.width) 2262 col = tems.ts_c_dimension.width - 1; 2263 2264 tem_safe_send_data(tem, credp, called_from); 2265 tem->tvs_c_cursor.row = (screen_pos_t)row; 2266 tem->tvs_c_cursor.col = (screen_pos_t)col; 2267 tem_safe_align_cursor(tem); 2268 } 2269 2270 /* ARGSUSED */ 2271 void 2272 tem_safe_reset_emulator(struct tem_vt_state *tem, 2273 cred_t *credp, enum called_from called_from, 2274 boolean_t init_color) 2275 { 2276 int j; 2277 2278 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2279 called_from == CALLED_FROM_STANDALONE); 2280 2281 tem->tvs_c_cursor.row = 0; 2282 tem->tvs_c_cursor.col = 0; 2283 tem->tvs_r_cursor.row = 0; 2284 tem->tvs_r_cursor.col = 0; 2285 tem->tvs_s_cursor.row = 0; 2286 tem->tvs_s_cursor.col = 0; 2287 tem->tvs_outindex = 0; 2288 tem->tvs_state = A_STATE_START; 2289 tem->tvs_gotparam = B_FALSE; 2290 tem->tvs_curparam = 0; 2291 tem->tvs_paramval = 0; 2292 tem->tvs_nscroll = 1; 2293 2294 if (init_color) { 2295 tem->tvs_alpha = 0xff; 2296 tem->tvs_fg_color = tems.ts_init_color.fg_color; 2297 tem->tvs_bg_color = tems.ts_init_color.bg_color; 2298 tem->tvs_flags = tems.ts_init_color.a_flags; 2299 } 2300 2301 /* 2302 * set up the initial tab stops 2303 */ 2304 tem->tvs_ntabs = 0; 2305 for (j = 8; j < tems.ts_c_dimension.width; j += 8) 2306 tem->tvs_tabs[tem->tvs_ntabs++] = (screen_pos_t)j; 2307 2308 for (j = 0; j < TEM_MAXPARAMS; j++) 2309 tem->tvs_params[j] = 0; 2310 } 2311 2312 void 2313 tem_safe_reset_display(struct tem_vt_state *tem, 2314 cred_t *credp, enum called_from called_from, 2315 boolean_t clear_txt, boolean_t init_color) 2316 { 2317 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2318 called_from == CALLED_FROM_STANDALONE); 2319 2320 tem_safe_reset_emulator(tem, credp, called_from, init_color); 2321 2322 if (clear_txt) { 2323 if (tem->tvs_isactive) 2324 tem_safe_callback_cursor(tem, 2325 VIS_HIDE_CURSOR, credp, called_from); 2326 2327 tem_safe_cls(tem, credp, called_from); 2328 2329 if (tem->tvs_isactive) 2330 tem_safe_callback_cursor(tem, 2331 VIS_DISPLAY_CURSOR, credp, called_from); 2332 } 2333 } 2334 2335 static void 2336 tem_safe_shift( 2337 struct tem_vt_state *tem, 2338 int count, 2339 int direction, 2340 cred_t *credp, 2341 enum called_from called_from) 2342 { 2343 int rest_of_line; 2344 2345 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2346 called_from == CALLED_FROM_STANDALONE); 2347 2348 rest_of_line = tems.ts_c_dimension.width - tem->tvs_c_cursor.col; 2349 if (count > rest_of_line) 2350 count = rest_of_line; 2351 2352 if (count <= 0) 2353 return; 2354 2355 switch (direction) { 2356 case TEM_SHIFT_LEFT: 2357 if (count < rest_of_line) { 2358 tem_safe_copy_area(tem, 2359 tem->tvs_c_cursor.col + count, 2360 tem->tvs_c_cursor.row, 2361 tems.ts_c_dimension.width - 1, 2362 tem->tvs_c_cursor.row, 2363 tem->tvs_c_cursor.col, 2364 tem->tvs_c_cursor.row, 2365 credp, called_from); 2366 } 2367 2368 tem_safe_clear_chars(tem, count, tem->tvs_c_cursor.row, 2369 (tems.ts_c_dimension.width - count), credp, 2370 called_from); 2371 break; 2372 case TEM_SHIFT_RIGHT: 2373 if (count < rest_of_line) { 2374 tem_safe_copy_area(tem, 2375 tem->tvs_c_cursor.col, 2376 tem->tvs_c_cursor.row, 2377 tems.ts_c_dimension.width - count - 1, 2378 tem->tvs_c_cursor.row, 2379 tem->tvs_c_cursor.col + count, 2380 tem->tvs_c_cursor.row, 2381 credp, called_from); 2382 } 2383 2384 tem_safe_clear_chars(tem, count, tem->tvs_c_cursor.row, 2385 tem->tvs_c_cursor.col, credp, called_from); 2386 break; 2387 } 2388 } 2389 2390 void 2391 tem_safe_text_cursor(struct tem_vt_state *tem, short action, 2392 cred_t *credp, enum called_from called_from) 2393 { 2394 struct vis_conscursor ca; 2395 2396 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2397 called_from == CALLED_FROM_STANDALONE); 2398 2399 ca.row = tem->tvs_c_cursor.row; 2400 ca.col = tem->tvs_c_cursor.col; 2401 ca.action = action; 2402 2403 tems_safe_cursor(&ca, credp, called_from); 2404 2405 if (action == VIS_GET_CURSOR) { 2406 tem->tvs_c_cursor.row = ca.row; 2407 tem->tvs_c_cursor.col = ca.col; 2408 } 2409 } 2410 2411 void 2412 tem_safe_pix_cursor(struct tem_vt_state *tem, short action, 2413 cred_t *credp, enum called_from called_from) 2414 { 2415 struct vis_conscursor ca; 2416 text_color_t fg, bg; 2417 term_char_t c; 2418 text_attr_t attr; 2419 2420 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2421 called_from == CALLED_FROM_STANDALONE); 2422 2423 ca.row = tem->tvs_c_cursor.row * tems.ts_font.vf_height + 2424 tems.ts_p_offset.y; 2425 ca.col = tem->tvs_c_cursor.col * tems.ts_font.vf_width + 2426 tems.ts_p_offset.x; 2427 ca.width = (screen_size_t)tems.ts_font.vf_width; 2428 ca.height = (screen_size_t)tems.ts_font.vf_height; 2429 2430 tem_safe_get_attr(tem, &c.tc_fg_color, &c.tc_bg_color, &attr, 2431 TEM_ATTR_REVERSE); 2432 c.tc_char = TEM_ATTR(attr); 2433 2434 tem_safe_get_color(tem, &fg, &bg, &c); 2435 tem_safe_set_color(&fg, &ca.fg_color); 2436 tem_safe_set_color(&bg, &ca.bg_color); 2437 2438 ca.action = action; 2439 2440 tems_safe_cursor(&ca, credp, called_from); 2441 2442 if (action == VIS_GET_CURSOR) { 2443 tem->tvs_c_cursor.row = 0; 2444 tem->tvs_c_cursor.col = 0; 2445 2446 if (ca.row != 0) { 2447 tem->tvs_c_cursor.row = (ca.row - tems.ts_p_offset.y) / 2448 tems.ts_font.vf_height; 2449 } 2450 if (ca.col != 0) { 2451 tem->tvs_c_cursor.col = (ca.col - tems.ts_p_offset.x) / 2452 tems.ts_font.vf_width; 2453 } 2454 } 2455 } 2456 2457 static void 2458 bit_to_pix4(struct tem_vt_state *tem, tem_char_t c, text_color_t fg, 2459 text_color_t bg) 2460 { 2461 uint8_t *dest = (uint8_t *)tem->tvs_pix_data; 2462 2463 font_bit_to_pix4(&tems.ts_font, dest, c, fg.n, bg.n); 2464 } 2465 2466 static void 2467 bit_to_pix8(struct tem_vt_state *tem, tem_char_t c, text_color_t fg, 2468 text_color_t bg) 2469 { 2470 uint8_t *dest = (uint8_t *)tem->tvs_pix_data; 2471 2472 font_bit_to_pix8(&tems.ts_font, dest, c, fg.n, bg.n); 2473 } 2474 2475 static void 2476 bit_to_pix16(struct tem_vt_state *tem, tem_char_t c, text_color_t fg, 2477 text_color_t bg) 2478 { 2479 uint16_t *dest; 2480 2481 dest = (uint16_t *)tem->tvs_pix_data; 2482 font_bit_to_pix16(&tems.ts_font, dest, c, fg.n, bg.n); 2483 } 2484 2485 static void 2486 bit_to_pix24(struct tem_vt_state *tem, tem_char_t c, text_color_t fg, 2487 text_color_t bg) 2488 { 2489 uint8_t *dest; 2490 2491 dest = (uint8_t *)tem->tvs_pix_data; 2492 font_bit_to_pix24(&tems.ts_font, dest, c, fg.n, bg.n); 2493 } 2494 2495 static void 2496 bit_to_pix32(struct tem_vt_state *tem, tem_char_t c, text_color_t fg, 2497 text_color_t bg) 2498 { 2499 uint32_t *dest; 2500 2501 dest = (uint32_t *)tem->tvs_pix_data; 2502 font_bit_to_pix32(&tems.ts_font, dest, c, fg.n, bg.n); 2503 } 2504 2505 /* 2506 * flag: TEM_ATTR_SCREEN_REVERSE or TEM_ATTR_REVERSE 2507 */ 2508 void 2509 tem_safe_get_attr(struct tem_vt_state *tem, text_color_t *fg, 2510 text_color_t *bg, text_attr_t *attr, uint8_t flag) 2511 { 2512 if (tem->tvs_flags & flag) { 2513 *fg = tem->tvs_bg_color; 2514 *bg = tem->tvs_fg_color; 2515 } else { 2516 *fg = tem->tvs_fg_color; 2517 *bg = tem->tvs_bg_color; 2518 } 2519 2520 if (attr != NULL) 2521 *attr = tem->tvs_flags; 2522 } 2523 2524 static void 2525 tem_safe_get_color(struct tem_vt_state *tem, text_color_t *fg, 2526 text_color_t *bg, term_char_t *c) 2527 { 2528 boolean_t bold_font; 2529 2530 *fg = c->tc_fg_color; 2531 *bg = c->tc_bg_color; 2532 2533 bold_font = tems.ts_font.vf_map_count[VFNT_MAP_BOLD] != 0; 2534 2535 /* 2536 * If we have both normal and bold font components, 2537 * we use bold font for TEM_ATTR_BOLD. 2538 * The bright color is traditionally used with TEM_ATTR_BOLD, 2539 * in case there is no bold font. 2540 */ 2541 if (!TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_RGB_FG) && 2542 c->tc_fg_color.n < XLATE_NCOLORS) { 2543 if (TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_BRIGHT_FG) || 2544 (TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_BOLD) && !bold_font)) 2545 fg->n = brt_xlate[c->tc_fg_color.n]; 2546 else 2547 fg->n = dim_xlate[c->tc_fg_color.n]; 2548 } 2549 2550 if (!TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_RGB_BG) && 2551 c->tc_bg_color.n < XLATE_NCOLORS) { 2552 if (TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_BRIGHT_BG)) 2553 bg->n = brt_xlate[c->tc_bg_color.n]; 2554 else 2555 bg->n = dim_xlate[c->tc_bg_color.n]; 2556 } 2557 2558 if (tems.ts_display_mode == VIS_TEXT) 2559 return; 2560 2561 if (tems.ts_pdepth == 8) { 2562 /* 8-bit depth is using indexed colors. */ 2563 #ifndef _HAVE_TEM_FIRMWARE 2564 fg->n = tems.ts_color_map(fg->n); 2565 bg->n = tems.ts_color_map(bg->n); 2566 #endif 2567 return; 2568 } 2569 2570 /* 2571 * Translate fg and bg to RGB colors. 2572 */ 2573 if (TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_RGB_FG)) { 2574 fg->n = rgb_to_color(&rgb_info, 2575 fg->rgb.a, fg->rgb.r, fg->rgb.g, fg->rgb.b); 2576 } else { 2577 #ifdef _HAVE_TEM_FIRMWARE 2578 if (tems.ts_pdepth == 24 || tems.ts_pdepth == 32) 2579 fg->n = PIX4TO32(fg->n); 2580 #else 2581 fg->n = rgb_color_map(&rgb_info, fg->n, tem->tvs_alpha); 2582 #endif 2583 } 2584 2585 if (TEM_ATTR_ISSET(c->tc_char, TEM_ATTR_RGB_BG)) { 2586 bg->n = rgb_to_color(&rgb_info, 2587 bg->rgb.a, bg->rgb.r, bg->rgb.g, bg->rgb.b); 2588 } else { 2589 #ifdef _HAVE_TEM_FIRMWARE 2590 if (tems.ts_pdepth == 24 || tems.ts_pdepth == 32) 2591 bg->n = PIX4TO32(bg->n); 2592 #else 2593 bg->n = rgb_color_map(&rgb_info, bg->n, tem->tvs_alpha); 2594 #endif 2595 } 2596 } 2597 2598 static void 2599 tem_safe_set_color(text_color_t *t, color_t *c) 2600 { 2601 switch (tems.ts_pdepth) { 2602 case 4: 2603 c->four = t->n & 0xFF; 2604 break; 2605 case 8: 2606 c->eight = t->n & 0xFF; 2607 break; 2608 case 15: 2609 case 16: 2610 c->sixteen[0] = (t->n >> 8) & 0xFF; 2611 c->sixteen[1] = t->n & 0xFF; 2612 break; 2613 case 24: 2614 c->twentyfour[0] = (t->n >> 16) & 0xFF; 2615 c->twentyfour[1] = (t->n >> 8) & 0xFF; 2616 c->twentyfour[2] = t->n & 0xFF; 2617 break; 2618 default: 2619 *(uint32_t *)c = t->n; 2620 break; 2621 } 2622 } 2623 2624 /* 2625 * Clear a rectangle of screen for pixel mode. 2626 * 2627 * arguments: 2628 * row: start row# 2629 * nrows: the number of rows to clear 2630 * offset_y: the offset of height in pixels to begin clear 2631 * col: start col# 2632 * ncols: the number of cols to clear 2633 * offset_x: the offset of width in pixels to begin clear 2634 * scroll_up: whether this function is called during sroll up, 2635 * which is called only once. 2636 */ 2637 void 2638 tem_safe_pix_cls_range(struct tem_vt_state *tem, 2639 screen_pos_t row, int nrows, int offset_y, 2640 screen_pos_t col, int ncols, int offset_x, 2641 boolean_t sroll_up, cred_t *credp, 2642 enum called_from called_from) 2643 { 2644 struct vis_consdisplay da; 2645 int i, j; 2646 int row_add = 0; 2647 term_char_t c; 2648 text_attr_t attr; 2649 2650 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2651 called_from == CALLED_FROM_STANDALONE); 2652 2653 if (sroll_up) 2654 row_add = tems.ts_c_dimension.height - 1; 2655 2656 da.width = (screen_size_t)tems.ts_font.vf_width; 2657 da.height = (screen_size_t)tems.ts_font.vf_height; 2658 2659 tem_safe_get_attr(tem, &c.tc_fg_color, &c.tc_bg_color, &attr, 2660 TEM_ATTR_SCREEN_REVERSE); 2661 /* Make sure we will not draw underlines */ 2662 c.tc_char = TEM_ATTR(attr & ~TEM_ATTR_UNDERLINE) | ' '; 2663 2664 tem_safe_callback_bit2pix(tem, &c); 2665 da.data = (uchar_t *)tem->tvs_pix_data; 2666 2667 for (i = 0; i < nrows; i++, row++) { 2668 da.row = (row + row_add) * da.height + offset_y; 2669 da.col = col * da.width + offset_x; 2670 for (j = 0; j < ncols; j++) { 2671 tems_safe_display(&da, credp, called_from); 2672 da.col += da.width; 2673 } 2674 } 2675 } 2676 2677 /* 2678 * virtual screen operations 2679 */ 2680 static void 2681 tem_safe_virtual_display(struct tem_vt_state *tem, term_char_t *string, 2682 int count, screen_pos_t row, screen_pos_t col) 2683 { 2684 int i, width; 2685 term_char_t *addr; 2686 2687 if (row < 0 || row >= tems.ts_c_dimension.height || 2688 col < 0 || col >= tems.ts_c_dimension.width || 2689 col + count > tems.ts_c_dimension.width) 2690 return; 2691 2692 width = tems.ts_c_dimension.width; 2693 addr = tem->tvs_screen_buf + (row * width + col); 2694 for (i = 0; i < count; i++) { 2695 *addr++ = string[i]; 2696 } 2697 } 2698 2699 static void 2700 i_virtual_copy_tem_chars(term_char_t *base, 2701 screen_pos_t s_col, screen_pos_t s_row, 2702 screen_pos_t e_col, screen_pos_t e_row, 2703 screen_pos_t t_col, screen_pos_t t_row) 2704 { 2705 term_char_t *from; 2706 term_char_t *to; 2707 int cnt; 2708 screen_size_t chars_per_row; 2709 term_char_t *to_row_start; 2710 term_char_t *from_row_start; 2711 screen_size_t rows_to_move; 2712 int cols = tems.ts_c_dimension.width; 2713 2714 chars_per_row = e_col - s_col + 1; 2715 rows_to_move = e_row - s_row + 1; 2716 2717 to_row_start = base + ((t_row * cols) + t_col); 2718 from_row_start = base + ((s_row * cols) + s_col); 2719 2720 if (to_row_start < from_row_start) { 2721 while (rows_to_move-- > 0) { 2722 to = to_row_start; 2723 from = from_row_start; 2724 to_row_start += cols; 2725 from_row_start += cols; 2726 for (cnt = chars_per_row; cnt-- > 0; ) 2727 *to++ = *from++; 2728 } 2729 } else { 2730 /* 2731 * Offset to the end of the region and copy backwards. 2732 */ 2733 cnt = rows_to_move * cols + chars_per_row; 2734 to_row_start += cnt; 2735 from_row_start += cnt; 2736 2737 while (rows_to_move-- > 0) { 2738 to_row_start -= cols; 2739 from_row_start -= cols; 2740 to = to_row_start; 2741 from = from_row_start; 2742 for (cnt = chars_per_row; cnt-- > 0; ) 2743 *--to = *--from; 2744 } 2745 } 2746 } 2747 2748 static void 2749 tem_safe_virtual_copy(struct tem_vt_state *tem, 2750 screen_pos_t s_col, screen_pos_t s_row, 2751 screen_pos_t e_col, screen_pos_t e_row, 2752 screen_pos_t t_col, screen_pos_t t_row) 2753 { 2754 screen_size_t chars_per_row; 2755 screen_size_t rows_to_move; 2756 int rows = tems.ts_c_dimension.height; 2757 int cols = tems.ts_c_dimension.width; 2758 2759 if (s_col < 0 || s_col >= cols || 2760 s_row < 0 || s_row >= rows || 2761 e_col < 0 || e_col >= cols || 2762 e_row < 0 || e_row >= rows || 2763 t_col < 0 || t_col >= cols || 2764 t_row < 0 || t_row >= rows || 2765 s_col > e_col || 2766 s_row > e_row) 2767 return; 2768 2769 chars_per_row = e_col - s_col + 1; 2770 rows_to_move = e_row - s_row + 1; 2771 2772 /* More sanity checks. */ 2773 if (t_row + rows_to_move > rows || 2774 t_col + chars_per_row > cols) 2775 return; 2776 2777 i_virtual_copy_tem_chars(tem->tvs_screen_buf, s_col, s_row, 2778 e_col, e_row, t_col, t_row); 2779 } 2780 2781 static void 2782 tem_safe_virtual_cls(struct tem_vt_state *tem, 2783 int count, screen_pos_t row, screen_pos_t col) 2784 { 2785 int i; 2786 text_attr_t attr; 2787 term_char_t c; 2788 2789 tem_safe_get_attr(tem, &c.tc_fg_color, &c.tc_bg_color, &attr, 2790 TEM_ATTR_SCREEN_REVERSE); 2791 c.tc_char = TEM_ATTR(attr & ~TEM_ATTR_UNDERLINE) | ' '; 2792 2793 for (i = 0; i < tems.ts_c_dimension.width; i++) 2794 tems.ts_blank_line[i] = c; 2795 2796 tem_safe_virtual_display(tem, tems.ts_blank_line, count, row, col); 2797 } 2798 2799 /* 2800 * only blank screen, not clear our screen buffer 2801 */ 2802 void 2803 tem_safe_blank_screen(struct tem_vt_state *tem, cred_t *credp, 2804 enum called_from called_from) 2805 { 2806 int row; 2807 2808 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2809 called_from == CALLED_FROM_STANDALONE); 2810 2811 if (tems.ts_display_mode == VIS_PIXEL) { 2812 tem_safe_pix_clear_entire_screen(tem, credp, called_from); 2813 return; 2814 } 2815 2816 for (row = 0; row < tems.ts_c_dimension.height; row++) { 2817 tem_safe_callback_cls(tem, 2818 tems.ts_c_dimension.width, 2819 row, 0, credp, called_from); 2820 } 2821 } 2822 2823 /* 2824 * unblank screen with associated tem from its screen buffer 2825 */ 2826 void 2827 tem_safe_unblank_screen(struct tem_vt_state *tem, cred_t *credp, 2828 enum called_from called_from) 2829 { 2830 int row; 2831 2832 ASSERT((MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock)) || 2833 called_from == CALLED_FROM_STANDALONE); 2834 2835 if (tems.ts_display_mode == VIS_PIXEL) 2836 tem_safe_pix_clear_entire_screen(tem, credp, called_from); 2837 2838 tem_safe_callback_cursor(tem, VIS_HIDE_CURSOR, credp, called_from); 2839 2840 /* 2841 * Display data in tvs_screen_buf to the actual framebuffer in a 2842 * row by row way. 2843 * When dealing with one row, output data with the same foreground 2844 * and background color all together. 2845 */ 2846 for (row = 0; row < tems.ts_c_dimension.height; row++) { 2847 tem_safe_callback_display(tem, tem->tvs_screen_rows[row], 2848 tems.ts_c_dimension.width, row, 0, credp, called_from); 2849 } 2850 2851 tem_safe_callback_cursor(tem, VIS_DISPLAY_CURSOR, credp, called_from); 2852 } 2853