/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * Polled I/O safe ANSI terminal emulator module; * Supporting TERM types 'sun' and 'sun-color, parsing * ANSI x3.64 escape sequences, and the like. (See wscons(7d) * for more information). * * IMPORTANT: * * The functions in this file *must* be able to function in * standalone mode, ie. on a quiesced system. In that state, * access is single threaded, only one CPU is running. * System services are NOT available. * * The following restrictions pertain to every function * in this file: * * - CANNOT use the DDI or LDI interfaces * - CANNOT call system services * - CANNOT use mutexes * - CANNOT wait for interrupts * - CANNOT allocate memory * */ #include #include #include #include #include #include #include #include #include static void tem_display(struct tem *, struct vis_consdisplay *, cred_t *, enum called_from); static void tem_cursor(struct tem *, struct vis_conscursor *, cred_t *, enum called_from); static void tem_control(struct tem *, uchar_t, cred_t *, enum called_from); static void tem_setparam(struct tem *, int, int); static void tem_selgraph(struct tem *); static void tem_chkparam(struct tem *, uchar_t, cred_t *, enum called_from); static void tem_getparams(struct tem *, uchar_t, cred_t *, enum called_from); static void tem_outch(struct tem *, uchar_t, cred_t *, enum called_from); static void tem_parse(struct tem *, uchar_t, cred_t *, enum called_from); static void tem_new_line(struct tem *, cred_t *, enum called_from); static void tem_cr(struct tem *); static void tem_lf(struct tem *, cred_t *, enum called_from); static void tem_send_data(struct tem *, cred_t *, enum called_from); static void tem_cls(struct tem *, cred_t *, enum called_from); static void tem_tab(struct tem *, cred_t *, enum called_from); static void tem_back_tab(struct tem *, cred_t *, enum called_from); static void tem_clear_tabs(struct tem *, int); static void tem_set_tab(struct tem *); static void tem_mv_cursor(struct tem *, int, int, cred_t *, enum called_from); static void tem_shift(struct tem *, int, int, cred_t *, enum called_from); static void tem_scroll(struct tem *, int, int, int, int, cred_t *, enum called_from); static void tem_clear_chars(struct tem *tem, int count, screen_pos_t row, screen_pos_t col, cred_t *credp, enum called_from called_from); static void tem_copy_area(struct tem *tem, screen_pos_t s_col, screen_pos_t s_row, screen_pos_t e_col, screen_pos_t e_row, screen_pos_t t_col, screen_pos_t t_row, cred_t *credp, enum called_from called_from); static void tem_image_display(struct tem *, uchar_t *, int, int, screen_pos_t, screen_pos_t, cred_t *, enum called_from); static void tem_bell(struct tem *tem, enum called_from called_from); static void tem_get_color(struct tem *tem, text_color_t *fg, text_color_t *bg); static void tem_pix_clear_prom_output(struct tem *tem, cred_t *credp, enum called_from called_from); /* BEGIN CSTYLED */ /* Bk Rd Gr Br Bl Mg Cy Wh */ static text_color_t fg_dim_xlate[] = { 1, 5, 3, 7, 2, 6, 4, 8 }; static text_color_t fg_brt_xlate[] = { 9, 13, 11, 15, 10, 14, 12, 0 }; static text_color_t bg_xlate[] = { 1, 5, 3, 7, 2, 6, 4, 0 }; /* END CSTYLED */ text_cmap_t cmap4_to_24 = { /* BEGIN CSTYLED */ /* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Wh+ Bk Bl Gr Cy Rd Mg Br Wh Bk+ Bl+ Gr+ Cy+ Rd+ Mg+ Yw */ 0xff,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x40,0x00,0x00,0x00,0xff,0xff,0xff, 0xff,0x00,0x00,0x80,0x80,0x00,0x00,0x80,0x80,0x40,0x00,0xff,0xff,0x00,0x00,0xff, 0xff,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x40,0xff,0x00,0xff,0x00,0xff,0x00 /* END CSTYLED */ }; #define PIX4TO32(pix4) (pixel32_t)( \ cmap4_to_24.red[pix4] << 16 | \ cmap4_to_24.green[pix4] << 8 | \ cmap4_to_24.blue[pix4]) /* * Fonts are statically linked with this module. At some point an * RFE might be desireable to allow dynamic font loading. The * original intention to facilitate dynamic fonts can be seen * by examining the data structures and set_font(). As much of * the original code is retained but modified to be suited to * traversing a list of static fonts. */ extern struct fontlist fonts[]; #define DEFAULT_FONT_DATA font_data_12x22 extern bitmap_data_t font_data_12x22; extern bitmap_data_t font_data_7x14; extern bitmap_data_t font_data_6x10; /* * Must be sorted by font size in descending order */ struct fontlist fonts[] = { { &font_data_12x22, NULL }, { &font_data_7x14, NULL }, { &font_data_6x10, NULL }, { NULL, NULL } }; #define INVERSE(ch) (ch ^ 0xff) #define BIT_TO_PIX(tem, c, fg, bg) { \ ASSERT((tem)->state->in_fp.f_bit2pix != NULL); \ (void) (*(tem)->state->in_fp.f_bit2pix)((tem), (c), (fg), (bg));\ } void tem_check_first_time( struct tem *tem, cred_t *credp, enum called_from called_from) { static int first_time = 1; /* * Realign the console cursor. We did this in tem_init(). * However, drivers in the console stream may emit additional * messages before we are ready. This causes text overwrite * on the screen. This is a workaround. */ if (first_time && tem->state->display_mode == VIS_TEXT) { tem_text_cursor(tem, VIS_GET_CURSOR, credp, called_from); tem_align_cursor(tem); } first_time = 0; } /* * This entry point handles output requests from restricted contexts like * kmdb, where services like mutexes are not available. This function * is entered when OBP or when a kernel debugger (such as kmdb) * are generating console output. In those cases, power management * concerns are handled by the abort sequence initiation (ie. when * the user hits L1+A or the equivalent to enter OBP or the debugger.). * It is also entered when the kernel is panicing. */ void tem_polled_write( struct tem *tem, uchar_t *buf, int len) { ASSERT(tem->hdl != NULL); tem_check_first_time(tem, kcred, CALLED_FROM_STANDALONE); tem_terminal_emulate(tem, buf, len, NULL, CALLED_FROM_STANDALONE); } /* * This is the main entry point into the terminal emulator. * * For each data message coming downstream, ANSI assumes that it is composed * of ASCII characters, which are treated as a byte-stream input to the * parsing state machine. All data is parsed immediately -- there is * no enqueing. */ void tem_terminal_emulate( struct tem *tem, uchar_t *buf, int len, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); (*tems->in_fp.f_cursor) (tem, VIS_HIDE_CURSOR, credp, called_from); for (; len > 0; len--, buf++) { tem_parse(tem, *buf, credp, called_from); } /* * Send the data we just got to the framebuffer. */ tem_send_data(tem, credp, called_from); (*tems->in_fp.f_cursor) (tem, VIS_DISPLAY_CURSOR, credp, called_from); } /* * Display an rectangular image on the frame buffer using the * mechanism appropriate for the system state being called * from quiesced or normal (ie. use polled I/O vs. layered ioctls) */ static void tem_display( struct tem *tem, struct vis_consdisplay *pda, cred_t *credp, enum called_from called_from) { if (called_from == CALLED_FROM_STANDALONE) tem->fb_polledio->display(tem->fb_polledio->arg, pda); else tem_display_layered(tem, pda, credp); } /* * Copy a rectangle from one location to another on the frame buffer * using the mechanism appropriate for the system state being called * from, quiesced or normal (ie. use polled I/O vs. layered ioctls) */ void tem_copy( struct tem *tem, struct vis_conscopy *pca, cred_t *credp, enum called_from called_from) { if (called_from == CALLED_FROM_STANDALONE) tem->fb_polledio->copy(tem->fb_polledio->arg, pca); else tem_copy_layered(tem, pca, credp); } /* * Display or hide a rectangular block text cursor of a specificsize * at a specific location on frame buffer* using the mechanism * appropriate for the system state being called from, quisced or * normal (ie. use polled I/O vs. layered ioctls). */ static void tem_cursor( struct tem *tem, struct vis_conscursor *pca, cred_t *credp, enum called_from called_from) { if (called_from == CALLED_FROM_STANDALONE) tem->fb_polledio->cursor(tem->fb_polledio->arg, pca); else tem_cursor_layered(tem, pca, credp); } /* * send the appropriate control message or set state based on the * value of the control character ch */ static void tem_control( struct tem *tem, uchar_t ch, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); tems->a_state = A_STATE_START; switch (ch) { case A_BEL: tem_bell(tem, called_from); break; case A_BS: tem_mv_cursor(tem, tems->a_c_cursor.row, tems->a_c_cursor.col - 1, credp, called_from); break; case A_HT: tem_tab(tem, credp, called_from); break; case A_NL: /* * tem_send_data(tem, credp, called_from); * tem_new_line(tem, credp, called_from); * break; */ case A_VT: tem_send_data(tem, credp, called_from); tem_lf(tem, credp, called_from); break; case A_FF: tem_send_data(tem, credp, called_from); tem_cls(tem, credp, called_from); break; case A_CR: tem_send_data(tem, credp, called_from); tem_cr(tem); break; case A_ESC: tems->a_state = A_STATE_ESC; break; case A_CSI: { int i; tems->a_curparam = 0; tems->a_paramval = 0; tems->a_gotparam = B_FALSE; /* clear the parameters */ for (i = 0; i < TEM_MAXPARAMS; i++) tems->a_params[i] = -1; tems->a_state = A_STATE_CSI; } break; case A_GS: tem_back_tab(tem, credp, called_from); break; default: break; } } /* * if parameters [0..count - 1] are not set, set them to the value * of newparam. */ static void tem_setparam(struct tem *tem, int count, int newparam) { int i; for (i = 0; i < count; i++) { if (tem->state->a_params[i] == -1) tem->state->a_params[i] = newparam; } } /* * select graphics mode based on the param vals stored in a_params */ static void tem_selgraph(struct tem *tem) { struct tem_state *tems = tem->state; int curparam; int count = 0; int param; curparam = tems->a_curparam; do { param = tems->a_params[count]; switch (param) { case -1: case 0: if (tems->a_flags & TEM_ATTR_SCREEN_REVERSE) { tems->a_flags |= TEM_ATTR_REVERSE; } else { tems->a_flags &= ~TEM_ATTR_REVERSE; } tems->a_flags = tem->init_color.a_flags; tems->fg_color = tem->init_color.fg_color; tems->bg_color = tem->init_color.bg_color; break; case 1: /* Bold Intense */ tems->a_flags |= TEM_ATTR_BOLD; break; case 2: /* Faint Intense */ tems->a_flags &= ~TEM_ATTR_BOLD; break; case 5: /* Blink */ tems->a_flags |= TEM_ATTR_BLINK; break; case 7: /* Reverse video */ if (tems->a_flags & TEM_ATTR_SCREEN_REVERSE) { tems->a_flags &= ~TEM_ATTR_REVERSE; } else { tems->a_flags |= TEM_ATTR_REVERSE; } break; case 30: /* black (grey) foreground */ case 31: /* red (light red) foreground */ case 32: /* green (light green) foreground */ case 33: /* brown (yellow) foreground */ case 34: /* blue (light blue) foreground */ case 35: /* magenta (light magenta) foreground */ case 36: /* cyan (light cyan) foreground */ case 37: /* white (bright white) foreground */ tems->fg_color = param - 30; break; case 40: /* black (grey) background */ case 41: /* red (light red) background */ case 42: /* green (light green) background */ case 43: /* brown (yellow) background */ case 44: /* blue (light blue) background */ case 45: /* magenta (light magenta) background */ case 46: /* cyan (light cyan) background */ case 47: /* white (bright white) background */ tems->bg_color = param - 40; break; default: break; } count++; curparam--; } while (curparam > 0); tems->a_state = A_STATE_START; } /* * perform the appropriate action for the escape sequence * * General rule: This code does not validate the arguments passed. * It assumes that the next lower level will do so. */ static void tem_chkparam( struct tem *tem, uchar_t ch, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int i; int row; int col; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); row = tems->a_c_cursor.row; col = tems->a_c_cursor.col; switch (ch) { case 'm': /* select terminal graphics mode */ tem_send_data(tem, credp, called_from); tem_selgraph(tem); break; case '@': /* insert char */ tem_setparam(tem, 1, 1); tem_shift(tem, tems->a_params[0], TEM_SHIFT_RIGHT, credp, called_from); break; case 'A': /* cursor up */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row - tems->a_params[0], col, credp, called_from); break; case 'd': /* VPA - vertical position absolute */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, tems->a_params[0] - 1, col, credp, called_from); break; case 'e': /* VPR - vertical position relative */ case 'B': /* cursor down */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row + tems->a_params[0], col, credp, called_from); break; case 'a': /* HPR - horizontal position relative */ case 'C': /* cursor right */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row, col + tems->a_params[0], credp, called_from); break; case '`': /* HPA - horizontal position absolute */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row, tems->a_params[0] - 1, credp, called_from); break; case 'D': /* cursor left */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row, col - tems->a_params[0], credp, called_from); break; case 'E': /* CNL cursor next line */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row + tems->a_params[0], 0, credp, called_from); break; case 'F': /* CPL cursor previous line */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row - tems->a_params[0], 0, credp, called_from); break; case 'G': /* cursor horizontal position */ tem_setparam(tem, 1, 1); tem_mv_cursor(tem, row, tems->a_params[0] - 1, credp, called_from); break; case 'g': /* clear tabs */ tem_setparam(tem, 1, 0); tem_clear_tabs(tem, tems->a_params[0]); break; case 'f': /* HVP Horizontal and Vertical Position */ case 'H': /* CUP position cursor */ tem_setparam(tem, 2, 1); tem_mv_cursor(tem, tems->a_params[0] - 1, tems->a_params[1] - 1, credp, called_from); break; case 'I': /* CHT - Cursor Horizontal Tab */ /* Not implemented */ break; case 'J': /* ED - Erase in Display */ tem_send_data(tem, credp, called_from); tem_setparam(tem, 1, 0); switch (tems->a_params[0]) { case 0: /* erase cursor to end of screen */ /* FIRST erase cursor to end of line */ tem_clear_chars(tem, tems->a_c_dimension.width - tems->a_c_cursor.col, tems->a_c_cursor.row, tems->a_c_cursor.col, credp, called_from); /* THEN erase lines below the cursor */ for (row = tems->a_c_cursor.row + 1; row < tems->a_c_dimension.height; row++) { tem_clear_chars(tem, tems->a_c_dimension.width, row, 0, credp, called_from); } break; case 1: /* erase beginning of screen to cursor */ /* FIRST erase lines above the cursor */ for (row = 0; row < tems->a_c_cursor.row; row++) { tem_clear_chars(tem, tems->a_c_dimension.width, row, 0, credp, called_from); } /* THEN erase beginning of line to cursor */ tem_clear_chars(tem, tems->a_c_cursor.col + 1, tems->a_c_cursor.row, 0, credp, called_from); break; case 2: /* erase whole screen */ for (row = 0; row < tems->a_c_dimension.height; row++) { tem_clear_chars(tem, tems->a_c_dimension.width, row, 0, credp, called_from); } break; } break; case 'K': /* EL - Erase in Line */ tem_send_data(tem, credp, called_from); tem_setparam(tem, 1, 0); switch (tems->a_params[0]) { case 0: /* erase cursor to end of line */ tem_clear_chars(tem, (tems->a_c_dimension.width - tems->a_c_cursor.col), tems->a_c_cursor.row, tems->a_c_cursor.col, credp, called_from); break; case 1: /* erase beginning of line to cursor */ tem_clear_chars(tem, tems->a_c_cursor.col + 1, tems->a_c_cursor.row, 0, credp, called_from); break; case 2: /* erase whole line */ tem_clear_chars(tem, tems->a_c_dimension.width, tems->a_c_cursor.row, 0, credp, called_from); break; } break; case 'L': /* insert line */ tem_send_data(tem, credp, called_from); tem_setparam(tem, 1, 1); tem_scroll(tem, tems->a_c_cursor.row, tems->a_c_dimension.height - 1, tems->a_params[0], TEM_SCROLL_DOWN, credp, called_from); break; case 'M': /* delete line */ tem_send_data(tem, credp, called_from); tem_setparam(tem, 1, 1); tem_scroll(tem, tems->a_c_cursor.row, tems->a_c_dimension.height - 1, tems->a_params[0], TEM_SCROLL_UP, credp, called_from); break; case 'P': /* DCH - delete char */ tem_setparam(tem, 1, 1); tem_shift(tem, tems->a_params[0], TEM_SHIFT_LEFT, credp, called_from); break; case 'S': /* scroll up */ tem_send_data(tem, credp, called_from); tem_setparam(tem, 1, 1); tem_scroll(tem, 0, tems->a_c_dimension.height - 1, tems->a_params[0], TEM_SCROLL_UP, credp, called_from); break; case 'T': /* scroll down */ tem_send_data(tem, credp, called_from); tem_setparam(tem, 1, 1); tem_scroll(tem, 0, tems->a_c_dimension.height - 1, tems->a_params[0], TEM_SCROLL_DOWN, credp, called_from); break; case 'X': /* erase char */ tem_setparam(tem, 1, 1); tem_clear_chars(tem, tems->a_params[0], tems->a_c_cursor.row, tems->a_c_cursor.col, credp, called_from); break; case 'Z': /* cursor backward tabulation */ tem_setparam(tem, 1, 1); /* * Rule exception - We do sanity checking here. * * Restrict the count to a sane value to keep from * looping for a long time. There can't be more than one * tab stop per column, so use that as a limit. */ if (tems->a_params[0] > tems->a_c_dimension.width) tems->a_params[0] = tems->a_c_dimension.width; for (i = 0; i < tems->a_params[0]; i++) tem_back_tab(tem, credp, called_from); break; } tems->a_state = A_STATE_START; } /* * Gather the parameters of an ANSI escape sequence */ static void tem_getparams(struct tem *tem, uchar_t ch, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (ch >= '0' && ch <= '9') { tems->a_paramval = ((tems->a_paramval * 10) + (ch - '0')); tems->a_gotparam = B_TRUE; /* Remember got parameter */ return; /* Return immediately */ } else if (tems->a_state == A_STATE_CSI_EQUAL || tems->a_state == A_STATE_CSI_QMARK) { tems->a_state = A_STATE_START; } else { if (tems->a_curparam < TEM_MAXPARAMS) { if (tems->a_gotparam) { /* get the parameter value */ tems->a_params[tems->a_curparam] = tems->a_paramval; } tems->a_curparam++; } if (ch == ';') { /* Restart parameter search */ tems->a_gotparam = B_FALSE; tems->a_paramval = 0; /* No parame value yet */ } else { /* Handle escape sequence */ tem_chkparam(tem, ch, credp, called_from); } } } /* * Add character to internal buffer. * When its full, send it to the next layer. */ static void tem_outch(struct tem *tem, uchar_t ch, cred_t *credp, enum called_from called_from) { ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); /* buffer up the character until later */ tem->state->a_outbuf[tem->state->a_outindex++] = ch; tem->state->a_c_cursor.col++; if (tem->state->a_c_cursor.col >= tem->state->a_c_dimension.width) { tem_send_data(tem, credp, called_from); tem_new_line(tem, credp, called_from); } } static void tem_new_line(struct tem *tem, cred_t *credp, enum called_from called_from) { tem_cr(tem); tem_lf(tem, credp, called_from); } static void tem_cr(struct tem *tem) { tem->state->a_c_cursor.col = 0; tem_align_cursor(tem); } static void tem_lf(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int row; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); /* * Sanity checking notes: * . a_nscroll was validated when it was set. * . Regardless of that, tem_scroll and tem_mv_cursor will prevent * anything bad from happening. */ row = tems->a_c_cursor.row + 1; if (row >= tems->a_c_dimension.height) { if (tems->a_nscroll != 0) { tem_scroll(tem, 0, tems->a_c_dimension.height - 1, tems->a_nscroll, TEM_SCROLL_UP, credp, called_from); row = tems->a_c_dimension.height - tems->a_nscroll; } else { /* no scroll */ /* * implement Esc[#r when # is zero. This means no * scroll but just return cursor to top of screen, * do not clear screen. */ row = 0; } } tem_mv_cursor(tem, row, tems->a_c_cursor.col, credp, called_from); if (tems->a_nscroll == 0) { /* erase rest of cursor line */ tem_clear_chars(tem, tems->a_c_dimension.width - tems->a_c_cursor.col, tems->a_c_cursor.row, tems->a_c_cursor.col, credp, called_from); } tem_align_cursor(tem); } static void tem_send_data(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; text_color_t fg_color; text_color_t bg_color; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (tems->a_outindex != 0) { if (tems->a_flags & TEM_ATTR_REVERSE) { fg_color = ansi_fg_to_solaris(tem, tems->bg_color); bg_color = ansi_bg_to_solaris(tem, tems->fg_color); } else { fg_color = ansi_fg_to_solaris(tem, tems->fg_color); bg_color = ansi_bg_to_solaris(tem, tems->bg_color); } /* * Call the primitive to render this data. */ (*tems->in_fp.f_display)(tem, tems->a_outbuf, tems->a_outindex, tems->a_s_cursor.row, tems->a_s_cursor.col, fg_color, bg_color, credp, called_from); tems->a_outindex = 0; } tem_align_cursor(tem); } /* * We have just done something to the current output point. Reset the start * point for the buffered data in a_outbuf. There shouldn't be any data * buffered yet. */ void tem_align_cursor(struct tem *tem) { tem->state->a_s_cursor.row = tem->state->a_c_cursor.row; tem->state->a_s_cursor.col = tem->state->a_c_cursor.col; } /* * State machine parser based on the current state and character input * major terminations are to control character or normal character */ static void tem_parse(struct tem *tem, uchar_t ch, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int i; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (tems->a_state == A_STATE_START) { /* Normal state? */ if (ch == A_CSI || ch == A_ESC || ch < ' ') /* Control? */ tem_control(tem, ch, credp, called_from); else /* Display */ tem_outch(tem, ch, credp, called_from); return; } /* In sequence */ if (tems->a_state != A_STATE_ESC) { /* Need to get parameters? */ if (tems->a_state != A_STATE_CSI) { tem_getparams(tem, ch, credp, called_from); return; } switch (ch) { case '?': tems->a_state = A_STATE_CSI_QMARK; return; case '=': tems->a_state = A_STATE_CSI_EQUAL; return; case 's': /* * As defined below, this sequence * saves the cursor. However, Sun * defines ESC[s as reset. We resolved * the conflict by selecting reset as it * is exported in the termcap file for * sun-mon, while the "save cursor" * definition does not exist anywhere in * /etc/termcap. * However, having no coherent * definition of reset, we have not * implemented it. */ /* * Original code * tems->a_r_cursor.row = tems->a_c_cursor.row; * tems->a_r_cursor.col = tems->a_c_cursor.col; * tems->a_state = A_STATE_START; */ tems->a_state = A_STATE_START; return; case 'u': tem_mv_cursor(tem, tems->a_r_cursor.row, tems->a_r_cursor.col, credp, called_from); tems->a_state = A_STATE_START; return; case 'p': /* sunbow */ tem_send_data(tem, credp, called_from); /* * Don't set anything if we are * already as we want to be. */ if (tems->a_flags & TEM_ATTR_SCREEN_REVERSE) { tems->a_flags &= ~TEM_ATTR_SCREEN_REVERSE; /* * If we have switched the characters to be the * inverse from the screen, then switch them as * well to keep them the inverse of the screen. */ if (tems->a_flags & TEM_ATTR_REVERSE) { tems->a_flags &= ~TEM_ATTR_REVERSE; } else { tems->a_flags |= TEM_ATTR_REVERSE; } } tem_cls(tem, credp, called_from); tems->a_state = A_STATE_START; return; case 'q': /* sunwob */ tem_send_data(tem, credp, called_from); /* * Don't set anything if we are * already where as we want to be. */ if (!(tems->a_flags & TEM_ATTR_SCREEN_REVERSE)) { tems->a_flags |= TEM_ATTR_SCREEN_REVERSE; /* * If we have switched the characters to be the * inverse from the screen, then switch them as * well to keep them the inverse of the screen. */ if (!(tems->a_flags & TEM_ATTR_REVERSE)) { tems->a_flags |= TEM_ATTR_REVERSE; } else { tems->a_flags &= ~TEM_ATTR_REVERSE; } } tem_cls(tem, credp, called_from); tems->a_state = A_STATE_START; return; case 'r': /* sunscrl */ /* * Rule exception: check for validity here. */ tems->a_nscroll = tems->a_paramval; if (tems->a_nscroll > tems->a_c_dimension.height) tems->a_nscroll = tems->a_c_dimension.height; if (tems->a_nscroll < 0) tems->a_nscroll = 1; tems->a_state = A_STATE_START; return; default: tem_getparams(tem, ch, credp, called_from); return; } } /* Previous char was */ if (ch == '[') { tems->a_curparam = 0; tems->a_paramval = 0; tems->a_gotparam = B_FALSE; /* clear the parameters */ for (i = 0; i < TEM_MAXPARAMS; i++) tems->a_params[i] = -1; tems->a_state = A_STATE_CSI; } else if (ch == 'Q') { /* Q ? */ tems->a_state = A_STATE_START; } else if (ch == 'C') { /* C ? */ tems->a_state = A_STATE_START; } else { tems->a_state = A_STATE_START; if (ch == 'c') /* ESC c resets display */ tem_reset_display(tem, credp, called_from, 1, NULL); else if (ch == 'H') /* ESC H sets a tab */ tem_set_tab(tem); else if (ch == '7') { /* ESC 7 Save Cursor position */ tems->a_r_cursor.row = tems->a_c_cursor.row; tems->a_r_cursor.col = tems->a_c_cursor.col; } else if (ch == '8') /* ESC 8 Restore Cursor position */ tem_mv_cursor(tem, tems->a_r_cursor.row, tems->a_r_cursor.col, credp, called_from); /* check for control chars */ else if (ch < ' ') tem_control(tem, ch, credp, called_from); else tem_outch(tem, ch, credp, called_from); } } /* ARGSUSED */ static void tem_bell(struct tem *tem, enum called_from called_from) { if (called_from == CALLED_FROM_STANDALONE) (void) beep_polled(BEEP_CONSOLE); else (void) beep(BEEP_CONSOLE); } static void tem_scroll(tem_t *tem, int start, int end, int count, int direction, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int row; int lines_affected; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); lines_affected = end - start + 1; if (count > lines_affected) count = lines_affected; if (count <= 0) return; switch (direction) { case TEM_SCROLL_UP: if (count < lines_affected) { tem_copy_area(tem, 0, start + count, tems->a_c_dimension.width - 1, end, 0, start, credp, called_from); } for (row = (end - count) + 1; row <= end; row++) { tem_clear_chars(tem, tems->a_c_dimension.width, row, 0, credp, called_from); } break; case TEM_SCROLL_DOWN: if (count < lines_affected) { tem_copy_area(tem, 0, start, tems->a_c_dimension.width - 1, end - count, 0, start + count, credp, called_from); } for (row = start; row < start + count; row++) { tem_clear_chars(tem, tems->a_c_dimension.width, row, 0, credp, called_from); } break; } } static void tem_copy_area(struct tem *tem, screen_pos_t s_col, screen_pos_t s_row, screen_pos_t e_col, screen_pos_t e_row, screen_pos_t t_col, screen_pos_t t_row, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int rows; int cols; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (s_col < 0 || s_row < 0 || e_col < 0 || e_row < 0 || t_col < 0 || t_row < 0 || s_col >= tems->a_c_dimension.width || e_col >= tems->a_c_dimension.width || t_col >= tems->a_c_dimension.width || s_row >= tems->a_c_dimension.height || e_row >= tems->a_c_dimension.height || t_row >= tems->a_c_dimension.height) return; if (s_row > e_row || s_col > e_col) return; rows = e_row - s_row + 1; cols = e_col - s_col + 1; if (t_row + rows > tems->a_c_dimension.height || t_col + cols > tems->a_c_dimension.width) return; (*tems->in_fp.f_copy)(tem, s_col, s_row, e_col, e_row, t_col, t_row, credp, called_from); } static void tem_clear_chars(struct tem *tem, int count, screen_pos_t row, screen_pos_t col, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (row < 0 || row >= tems->a_c_dimension.height || col < 0 || col >= tems->a_c_dimension.width || count < 0) return; /* * Note that very large values of "count" could cause col+count * to overflow, so we check "count" independently. */ if (count > tems->a_c_dimension.width || col + count > tems->a_c_dimension.width) count = tems->a_c_dimension.width - col; (*tems->in_fp.f_cls)(tem, count, row, col, credp, called_from); } void tem_text_display(struct tem *tem, uchar_t *string, int count, screen_pos_t row, screen_pos_t col, text_color_t fg_color, text_color_t bg_color, cred_t *credp, enum called_from called_from) { struct vis_consdisplay da; da.data = string; da.width = count; da.row = row; da.col = col; da.fg_color = fg_color; da.bg_color = bg_color; tem_display(tem, &da, credp, called_from); } /* * This function is used to blit a rectangular color image, * unperturbed on the underlying framebuffer, to render * icons and pictures. The data is a pixel pattern that * fills a rectangle bounded to the width and height parameters. * The color pixel data must to be pre-adjusted by the caller * for the current video depth. * * This function is unused now. */ void tem_image_display(struct tem *tem, uchar_t *image, int height, int width, screen_pos_t row, screen_pos_t col, cred_t *credp, enum called_from called_from) { struct vis_consdisplay da; da.data = image; da.width = width; da.height = height; da.row = row; da.col = col; tem_display(tem, &da, credp, called_from); } void tem_text_copy(struct tem *tem, screen_pos_t s_col, screen_pos_t s_row, screen_pos_t e_col, screen_pos_t e_row, screen_pos_t t_col, screen_pos_t t_row, cred_t *credp, enum called_from called_from) { struct vis_conscopy da; da.s_row = s_row; da.s_col = s_col; da.e_row = e_row; da.e_col = e_col; da.t_row = t_row; da.t_col = t_col; tem_copy(tem, &da, credp, called_from); } void tem_text_cls(struct tem *tem, int count, screen_pos_t row, screen_pos_t col, cred_t *credp, enum called_from called_from) { struct vis_consdisplay da; da.data = tem->state->a_blank_line; da.width = count; da.row = row; da.col = col; tem_get_color(tem, &da.fg_color, &da.bg_color); tem_display(tem, &da, credp, called_from); } void tem_pix_display(struct tem *tem, uchar_t *string, int count, screen_pos_t row, screen_pos_t col, text_color_t fg_color, text_color_t bg_color, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; struct vis_consdisplay da; int i; da.data = (uchar_t *)tems->a_pix_data; da.width = tems->a_font.width; da.height = tems->a_font.height; da.row = (row * da.height) + tems->a_p_offset.y; da.col = (col * da.width) + tems->a_p_offset.x; for (i = 0; i < count; i++) { BIT_TO_PIX(tem, string[i], fg_color, bg_color); tem_display(tem, &da, credp, called_from); da.col += da.width; } } void tem_pix_copy(struct tem *tem, screen_pos_t s_col, screen_pos_t s_row, screen_pos_t e_col, screen_pos_t e_row, screen_pos_t t_col, screen_pos_t t_row, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; struct vis_conscopy ma; static boolean_t need_clear = B_TRUE; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (need_clear && tems->first_line > 0) { /* * Clear OBP output above our kernel console term * when our kernel console term begins to scroll up, * we hope it is user friendly. * (Also see comments on tem_pix_clear_prom_output) * * This is only one time call. */ tem_pix_clear_prom_output(tem, credp, called_from); } need_clear = B_FALSE; ma.s_row = s_row * tems->a_font.height + tems->a_p_offset.y; ma.e_row = (e_row + 1) * tems->a_font.height + tems->a_p_offset.y - 1; ma.t_row = t_row * tems->a_font.height + tems->a_p_offset.y; /* * Check if we're in process of clearing OBP's columns area, * which only happens when term scrolls up a whole line. */ if (tems->first_line > 0 && t_row < s_row && t_col == 0 && e_col == tems->a_c_dimension.width - 1) { /* * We need to clear OBP's columns area outside our kernel * console term. So that we set ma.e_col to entire row here. */ ma.s_col = s_col * tems->a_font.width; ma.e_col = tems->a_p_dimension.width - 1; ma.t_col = t_col * tems->a_font.width; } else { ma.s_col = s_col * tems->a_font.width + tems->a_p_offset.x; ma.e_col = (e_col + 1) * tems->a_font.width + tems->a_p_offset.x - 1; ma.t_col = t_col * tems->a_font.width + tems->a_p_offset.x; } tem_copy(tem, &ma, credp, called_from); if (tems->first_line > 0 && t_row < s_row) { /* We have scrolled up (s_row - t_row) rows. */ tems->first_line -= (s_row - t_row); if (tems->first_line <= 0) { /* All OBP rows have been cleared. */ tems->first_line = 0; } } } /* * This function only clears count of columns in one row */ void tem_pix_cls(struct tem *tem, int count, screen_pos_t row, screen_pos_t col, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); tem_pix_cls_range(tem, row, 1, tems->a_p_offset.y, col, count, tems->a_p_offset.x, B_FALSE, credp, called_from); } /* * This function clears OBP output above our kernel console term area * because OBP's term may have a bigger terminal window than that of * our kernel console term. So we need to clear OBP output garbage outside * of our kernel console term at a proper time, which is when the first * row output of our kernel console term scrolls at the first screen line. * * _________________________________ * | _____________________ | ---> OBP's bigger term window * | | | | * |___| | | * | | | | | * | | | | | * |_|_|___________________|_______| * | | | ---> first line * | |___________________|---> our kernel console term window * | * |---> columns area to be cleared * * This function only takes care of the output above our kernel console term, * and tem_prom_scroll_up takes care of columns area outside of our kernel * console term. */ static void tem_pix_clear_prom_output(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int nrows, ncols, width, height; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); width = tems->a_font.width; height = tems->a_font.height; nrows = (tems->a_p_offset.y + (height - 1))/ height; ncols = (tems->a_p_dimension.width + (width - 1))/ width; tem_pix_cls_range(tem, 0, nrows, 0, 0, ncols, 0, B_FALSE, credp, called_from); } /* * clear the whole screen for pixel mode */ static void tem_pix_clear_entire_screen(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int nrows, ncols, width, height; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); width = tems->a_font.width; height = tems->a_font.height; nrows = (tems->a_p_dimension.height + (height - 1))/ height; ncols = (tems->a_p_dimension.width + (width - 1))/ width; tem_pix_cls_range(tem, 0, nrows, 0, 0, ncols, 0, B_FALSE, credp, called_from); tems->a_c_cursor.row = 0; tems->a_c_cursor.col = 0; tem_align_cursor(tem); /* * Since the whole screen is cleared, we don't need * to clear OBP output later. */ if (tems->first_line > 0) { tems->first_line = 0; } } /* * clear the whole screen */ static void tem_cls(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int row; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (tems->display_mode == VIS_TEXT) { for (row = 0; row < tems->a_c_dimension.height; row++) { tem_clear_chars(tem, tems->a_c_dimension.width, row, 0, credp, called_from); } tems->a_c_cursor.row = 0; tems->a_c_cursor.col = 0; tem_align_cursor(tem); return; } ASSERT(tems->display_mode == VIS_PIXEL); tem_pix_clear_entire_screen(tem, credp, called_from); } static void tem_back_tab(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int i; screen_pos_t tabstop; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); tabstop = 0; for (i = tems->a_ntabs - 1; i >= 0; i--) { if (tems->a_tabs[i] < tems->a_c_cursor.col) { tabstop = tems->a_tabs[i]; break; } } tem_mv_cursor(tem, tems->a_c_cursor.row, tabstop, credp, called_from); } static void tem_tab(struct tem *tem, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int i; screen_pos_t tabstop; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); tabstop = tems->a_c_dimension.width - 1; for (i = 0; i < tems->a_ntabs; i++) { if (tems->a_tabs[i] > tems->a_c_cursor.col) { tabstop = tems->a_tabs[i]; break; } } tem_mv_cursor(tem, tems->a_c_cursor.row, tabstop, credp, called_from); } static void tem_set_tab(struct tem *tem) { struct tem_state *tems = tem->state; int i; int j; if (tems->a_ntabs == TEM_MAXTAB) return; if (tems->a_ntabs == 0 || tems->a_tabs[tems->a_ntabs] < tems->a_c_cursor.col) { tems->a_tabs[tems->a_ntabs++] = tems->a_c_cursor.col; return; } for (i = 0; i < tems->a_ntabs; i++) { if (tems->a_tabs[i] == tems->a_c_cursor.col) return; if (tems->a_tabs[i] > tems->a_c_cursor.col) { for (j = tems->a_ntabs - 1; j >= i; j--) tems->a_tabs[j+ 1] = tems->a_tabs[j]; tems->a_tabs[i] = tems->a_c_cursor.col; tems->a_ntabs++; return; } } } static void tem_clear_tabs(struct tem *tem, int action) { struct tem_state *tems = tem->state; int i; int j; switch (action) { case 3: /* clear all tabs */ tems->a_ntabs = 0; break; case 0: /* clr tab at cursor */ for (i = 0; i < tems->a_ntabs; i++) { if (tems->a_tabs[i] == tems->a_c_cursor.col) { tems->a_ntabs--; for (j = i; j < tems->a_ntabs; j++) tems->a_tabs[j] = tems->a_tabs[j + 1]; return; } } break; } } static void tem_mv_cursor(struct tem *tem, int row, int col, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); /* * Sanity check and bounds enforcement. Out of bounds requests are * clipped to the screen boundaries. This seems to be what SPARC * does. */ if (row < 0) row = 0; if (row >= tems->a_c_dimension.height) row = tems->a_c_dimension.height - 1; if (col < 0) col = 0; if (col >= tems->a_c_dimension.width) col = tems->a_c_dimension.width - 1; tem_send_data(tem, credp, called_from); tems->a_c_cursor.row = row; tems->a_c_cursor.col = col; tem_align_cursor(tem); } /* ARGSUSED */ void tem_reset_emulator(struct tem *tem, cred_t *credp, enum called_from called_from, tem_color_t *pcolor) { struct tem_state *tems = tem->state; int j; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); tems->a_c_cursor.row = 0; tems->a_c_cursor.col = 0; tems->a_r_cursor.row = 0; tems->a_r_cursor.col = 0; tems->a_s_cursor.row = 0; tems->a_s_cursor.col = 0; tems->a_outindex = 0; tems->a_state = A_STATE_START; tems->a_gotparam = B_FALSE; tems->a_curparam = 0; tems->a_paramval = 0; tems->a_nscroll = 1; if (pcolor != NULL) { /* use customized settings */ tems->fg_color = pcolor->fg_color; tems->bg_color = pcolor->bg_color; tems->a_flags = pcolor->a_flags; } else { /* use initial settings */ tems->fg_color = tem->init_color.fg_color; tems->bg_color = tem->init_color.bg_color; tems->a_flags = tem->init_color.a_flags; } /* * set up the initial tab stops */ tems->a_ntabs = 0; for (j = 8; j < tems->a_c_dimension.width; j += 8) tems->a_tabs[tems->a_ntabs++] = (screen_pos_t)j; for (j = 0; j < TEM_MAXPARAMS; j++) tems->a_params[j] = 0; } void tem_reset_display(struct tem *tem, cred_t *credp, enum called_from called_from, int clear_txt, tem_color_t *pcolor) { struct tem_state *tems = tem->state; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); tem_reset_emulator(tem, credp, called_from, pcolor); tem_reset_colormap(tem, credp, called_from); if (clear_txt) { (*tems->in_fp.f_cursor)(tem, VIS_HIDE_CURSOR, credp, called_from); tem_cls(tem, credp, called_from); (*tems->in_fp.f_cursor)(tem, VIS_DISPLAY_CURSOR, credp, called_from); } tems->a_initialized = 1; } static void tem_shift( struct tem *tem, int count, int direction, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; int rest_of_line; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); rest_of_line = tems->a_c_dimension.width - tems->a_c_cursor.col; if (count > rest_of_line) count = rest_of_line; if (count <= 0) return; switch (direction) { case TEM_SHIFT_LEFT: if (count < rest_of_line) { tem_copy_area(tem, tems->a_c_cursor.col + count, tems->a_c_cursor.row, tems->a_c_dimension.width - 1, tems->a_c_cursor.row, tems->a_c_cursor.col, tems->a_c_cursor.row, credp, called_from); } tem_clear_chars(tem, count, tems->a_c_cursor.row, (tems->a_c_dimension.width - count), credp, called_from); break; case TEM_SHIFT_RIGHT: if (count < rest_of_line) { tem_copy_area(tem, tems->a_c_cursor.col, tems->a_c_cursor.row, tems->a_c_dimension.width - count - 1, tems->a_c_cursor.row, tems->a_c_cursor.col + count, tems->a_c_cursor.row, credp, called_from); } tem_clear_chars(tem, count, tems->a_c_cursor.row, tems->a_c_cursor.col, credp, called_from); break; } } void tem_text_cursor(struct tem *tem, short action, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; struct vis_conscursor ca; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); ca.row = tems->a_c_cursor.row; ca.col = tems->a_c_cursor.col; ca.action = action; tem_cursor(tem, &ca, credp, called_from); if (action == VIS_GET_CURSOR) { tems->a_c_cursor.row = ca.row; tems->a_c_cursor.col = ca.col; } } void tem_pix_cursor(struct tem *tem, short action, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; struct vis_conscursor ca; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); ca.row = tems->a_c_cursor.row * tems->a_font.height + tems->a_p_offset.y; ca.col = tems->a_c_cursor.col * tems->a_font.width + tems->a_p_offset.x; ca.width = tems->a_font.width; ca.height = tems->a_font.height; if (tems->a_pdepth == 8 || tems->a_pdepth == 4) { if (tems->a_flags & TEM_ATTR_REVERSE) { ca.fg_color.mono = TEM_TEXT_WHITE; ca.bg_color.mono = TEM_TEXT_BLACK; } else { ca.fg_color.mono = TEM_TEXT_BLACK; ca.bg_color.mono = TEM_TEXT_WHITE; } } else if (tems->a_pdepth == 24 || tems->a_pdepth == 32) { if (tems->a_flags & TEM_ATTR_REVERSE) { ca.fg_color.twentyfour[0] = TEM_TEXT_WHITE24_RED; ca.fg_color.twentyfour[1] = TEM_TEXT_WHITE24_GREEN; ca.fg_color.twentyfour[2] = TEM_TEXT_WHITE24_BLUE; ca.bg_color.twentyfour[0] = TEM_TEXT_BLACK24_RED; ca.bg_color.twentyfour[1] = TEM_TEXT_BLACK24_GREEN; ca.bg_color.twentyfour[2] = TEM_TEXT_BLACK24_BLUE; } else { ca.fg_color.twentyfour[0] = TEM_TEXT_BLACK24_RED; ca.fg_color.twentyfour[1] = TEM_TEXT_BLACK24_GREEN; ca.fg_color.twentyfour[2] = TEM_TEXT_BLACK24_BLUE; ca.bg_color.twentyfour[0] = TEM_TEXT_WHITE24_RED; ca.bg_color.twentyfour[1] = TEM_TEXT_WHITE24_GREEN; ca.bg_color.twentyfour[2] = TEM_TEXT_WHITE24_BLUE; } } ca.action = action; tem_cursor(tem, &ca, credp, called_from); } #define BORDER_PIXELS 10 void set_font(struct font *f, short *rows, short *cols, short height, short width) { bitmap_data_t *font_selected = NULL; struct fontlist *fl; /* * Find best font for these dimensions, or use default * * A 1 pixel border is the absolute minimum we could have * as a border around the text window (BORDER_PIXELS = 2), * however a slightly larger border not only looks better * but for the fonts currently statically built into the * emulator causes much better font selection for the * normal range of screen resolutions. */ for (fl = fonts; fl->data; fl++) { if ((((*rows * fl->data->height) + BORDER_PIXELS) <= height) && (((*cols * fl->data->width) + BORDER_PIXELS) <= width)) { font_selected = fl->data; break; } } /* * The minus 2 is to make sure we have at least a 1 pixel * boarder around the entire screen. */ if (font_selected == NULL) { if (((*rows * DEFAULT_FONT_DATA.height) > height) || ((*cols * DEFAULT_FONT_DATA.width) > width)) { *rows = (height - 2) / DEFAULT_FONT_DATA.height; *cols = (width - 2) / DEFAULT_FONT_DATA.width; } font_selected = &DEFAULT_FONT_DATA; } f->width = font_selected->width; f->height = font_selected->height; bcopy((caddr_t)font_selected->encoding, (caddr_t)f->char_ptr, sizeof (f->char_ptr)); f->image_data = font_selected->image; } /* * bit_to_pix4 is for 4-bit frame buffers. It will write one output byte * for each 2 bits of input bitmap. It inverts the input bits before * doing the output translation, for reverse video. * * Assuming foreground is 0001 and background is 0000... * An input data byte of 0x53 will output the bit pattern * 00000001 00000001 00000000 00010001. */ void bit_to_pix4( struct tem *tem, uchar_t c, text_color_t fg_color, text_color_t bg_color) { struct tem_state *tems = tem->state; int row; int byte; int i; uint8_t *cp; uint8_t data; uint8_t nibblett; int bytes_wide; uint8_t *dest; dest = (uint8_t *)tems->a_pix_data; cp = tems->a_font.char_ptr[c]; bytes_wide = (tems->a_font.width + 7) / 8; for (row = 0; row < tems->a_font.height; row++) { for (byte = 0; byte < bytes_wide; byte++) { data = *cp++; for (i = 0; i < 4; i++) { nibblett = (data >> ((3-i) * 2)) & 0x3; switch (nibblett) { case 0x0: *dest++ = bg_color << 4 | bg_color; break; case 0x1: *dest++ = bg_color << 4 | fg_color; break; case 0x2: *dest++ = fg_color << 4 | bg_color; break; case 0x3: *dest++ = fg_color << 4 | fg_color; break; } } } } } /* * bit_to_pix8 is for 8-bit frame buffers. It will write one output byte * for each bit of input bitmap. It inverts the input bits before * doing the output translation, for reverse video. * * Assuming foreground is 00000001 and background is 00000000... * An input data byte of 0x53 will output the bit pattern * 0000000 000000001 00000000 00000001 00000000 00000000 00000001 00000001. */ void bit_to_pix8( struct tem *tem, uchar_t c, text_color_t fg_color, text_color_t bg_color) { struct tem_state *tems = tem->state; int row; int byte; int i; uint8_t *cp; uint8_t data; int bytes_wide; uint8_t mask; int bitsleft, nbits; uint8_t *dest; dest = (uint8_t *)tems->a_pix_data; cp = tems->a_font.char_ptr[c]; bytes_wide = (tems->a_font.width + 7) / 8; for (row = 0; row < tems->a_font.height; row++) { bitsleft = tems->a_font.width; for (byte = 0; byte < bytes_wide; byte++) { data = *cp++; mask = 0x80; nbits = MIN(8, bitsleft); bitsleft -= nbits; for (i = 0; i < nbits; i++) { *dest++ = (data & mask ? fg_color: bg_color); mask = mask >> 1; } } } } /* * bit_to_pix24 is for 24-bit frame buffers. It will write four output bytes * for each bit of input bitmap. It inverts the input bits before * doing the output translation, for reverse video. Note that each * 24-bit RGB value is finally stored in a 32-bit unsigned int, with the * high-order byte set to zero. * * Assuming foreground is 00000000 11111111 11111111 11111111 * and background is 00000000 00000000 00000000 00000000 * An input data byte of 0x53 will output the bit pattern * * 00000000 00000000 00000000 00000000 * 00000000 11111111 11111111 11111111 * 00000000 00000000 00000000 00000000 * 00000000 11111111 11111111 11111111 * 00000000 00000000 00000000 00000000 * 00000000 00000000 00000000 00000000 * 00000000 11111111 11111111 11111111 * 00000000 11111111 11111111 11111111 * */ typedef uint32_t pixel32_t; void bit_to_pix24( struct tem *tem, uchar_t c, text_color_t fg_color4, text_color_t bg_color4) { struct tem_state *tems = tem->state; int row; int byte; int i; uint8_t *cp; uint8_t data; int bytes_wide; int bitsleft, nbits; pixel32_t fg_color32, bg_color32, *destp; ASSERT(fg_color4 < 16 && bg_color4 < 16); fg_color32 = PIX4TO32(fg_color4); bg_color32 = PIX4TO32(bg_color4); destp = (pixel32_t *)tems->a_pix_data; cp = tems->a_font.char_ptr[c]; bytes_wide = (tems->a_font.width + 7) / 8; for (row = 0; row < tems->a_font.height; row++) { bitsleft = tems->a_font.width; for (byte = 0; byte < bytes_wide; byte++) { data = *cp++; nbits = MIN(8, bitsleft); bitsleft -= nbits; for (i = 0; i < nbits; i++) { *destp++ = ((data << i) & 0x80 ? fg_color32 : bg_color32); } } } } /* ARGSUSED */ text_color_t ansi_bg_to_solaris(struct tem *tem, int ansi) { return (bg_xlate[ansi]); } text_color_t ansi_fg_to_solaris(struct tem *tem, int ansi) { if (tem->state->a_flags & TEM_ATTR_BOLD) return (fg_brt_xlate[ansi]); else return (fg_dim_xlate[ansi]); } static void tem_get_color(struct tem *tem, text_color_t *fg, text_color_t *bg) { if (tem->state->a_flags & TEM_ATTR_SCREEN_REVERSE) { *fg = ansi_fg_to_solaris(tem, DEFAULT_ANSI_BACKGROUND); *bg = ansi_bg_to_solaris(tem, DEFAULT_ANSI_FOREGROUND); } else { *fg = ansi_fg_to_solaris(tem, DEFAULT_ANSI_FOREGROUND); *bg = ansi_bg_to_solaris(tem, DEFAULT_ANSI_BACKGROUND); } } /* * Clear a rectangle of screen for pixel mode. * * arguments: * row: start row# * nrows: the number of rows to clear * offset_y: the offset of height in pixels to begin clear * col: start col# * ncols: the number of cols to clear * offset_x: the offset of width in pixels to begin clear * scroll_up: whether this function is called during sroll up, * which is called only once. */ void tem_pix_cls_range(tem_t *tem, screen_pos_t row, int nrows, int offset_y, screen_pos_t col, int ncols, int offset_x, boolean_t sroll_up, cred_t *credp, enum called_from called_from) { struct tem_state *tems = tem->state; struct vis_consdisplay da; int i, j; int row_add = 0; text_color_t fg_color; text_color_t bg_color; ASSERT((called_from == CALLED_FROM_STANDALONE) || MUTEX_HELD(&tem->lock)); if (sroll_up) row_add = tems->a_c_dimension.height - 1; da.width = tems->a_font.width; da.height = tems->a_font.height; tem_get_color(tem, &fg_color, &bg_color); BIT_TO_PIX(tem, ' ', fg_color, bg_color); da.data = (uchar_t *)tems->a_pix_data; for (i = 0; i < nrows; i++, row++) { da.row = (row + row_add) * da.height + offset_y; da.col = col * da.width + offset_x; for (j = 0; j < ncols; j++) { tem_display(tem, &da, credp, called_from); da.col += da.width; } } }