/*- * Copyright (c) 1998 Michael Smith (msmith@freebsd.org) * Copyright (c) 1997 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Id: probe_keyboard.c,v 1.13 1997/06/09 05:10:55 bde Exp */ #include #include #include #include #include #include #include #include "vbe.h" #include #include "libi386.h" #if KEYBOARD_PROBE static int probe_keyboard(void); #endif static void vidc_probe(struct console *cp); static int vidc_init(int arg); static void vidc_putchar(int c); static int vidc_getchar(void); static int vidc_ischar(void); static void cons_draw_frame(teken_attr_t *); static bool vidc_started; static uint16_t *vgatext; static tf_bell_t vidc_cons_bell; static tf_cursor_t vidc_text_cursor; static tf_putchar_t vidc_text_putchar; static tf_fill_t vidc_text_fill; static tf_copy_t vidc_text_copy; static tf_param_t vidc_text_param; static tf_respond_t vidc_cons_respond; static teken_funcs_t tf = { .tf_bell = vidc_cons_bell, .tf_cursor = vidc_text_cursor, .tf_putchar = vidc_text_putchar, .tf_fill = vidc_text_fill, .tf_copy = vidc_text_copy, .tf_param = vidc_text_param, .tf_respond = vidc_cons_respond, }; static teken_funcs_t tfx = { .tf_bell = vidc_cons_bell, .tf_cursor = gfx_fb_cursor, .tf_putchar = gfx_fb_putchar, .tf_fill = gfx_fb_fill, .tf_copy = gfx_fb_copy, .tf_param = gfx_fb_param, .tf_respond = vidc_cons_respond, }; #define KEYBUFSZ 10 static uint8_t keybuf[KEYBUFSZ]; /* keybuf for extended codes */ struct console vidconsole = { .c_name = "vidconsole", .c_desc = "internal video/keyboard", .c_flags = 0, .c_probe = vidc_probe, .c_init = vidc_init, .c_out = vidc_putchar, .c_in = vidc_getchar, .c_ready = vidc_ischar }; /* * This function is used to mark a rectangular image area so the scrolling * will know we need to copy the data from there. */ void term_image_display(teken_gfx_t *state, const teken_rect_t *r) { teken_pos_t p; int idx; if (screen_buffer == NULL) return; for (p.tp_row = r->tr_begin.tp_row; p.tp_row < r->tr_end.tp_row; p.tp_row++) { for (p.tp_col = r->tr_begin.tp_col; p.tp_col < r->tr_end.tp_col; p.tp_col++) { idx = p.tp_col + p.tp_row * state->tg_tp.tp_col; if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row) return; screen_buffer[idx].a.ta_format |= TF_IMAGE; } } } static void vidc_text_set_cursor(teken_unit_t row, teken_unit_t col, bool visible) { uint16_t addr; uint8_t msl, s, e; msl = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_MAX_SCAN_LINE) & 0x1f; s = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_START) & 0xC0; e = vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_END); if (visible == true) { addr = row * TEXT_COLS + col; vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_HIGH, addr >> 8); vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_LOW, addr & 0xff); e = msl; } else { s |= (1<<5); } vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_START, s); vga_set_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_END, e); } static void vidc_text_get_cursor(teken_unit_t *row, teken_unit_t *col) { uint16_t addr; addr = (vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_HIGH) << 8) + vga_get_crtc(VGA_REG_BASE, VGA_CRTC_CURSOR_LOC_LOW); *row = addr / TEXT_COLS; *col = addr % TEXT_COLS; } /* * Not implemented. */ static void vidc_cons_bell(void *s __unused) { } static void vidc_text_cursor(void *s __unused, const teken_pos_t *p) { teken_unit_t row, col; if (p->tp_col == TEXT_COLS) col = p->tp_col - 1; else col = p->tp_col; if (p->tp_row == TEXT_ROWS) row = p->tp_row - 1; else row = p->tp_row; vidc_text_set_cursor(row, col, true); } /* * Binary searchable table for Unicode to CP437 conversion. */ struct unicp437 { uint16_t unicode_base; uint8_t cp437_base; uint8_t length; }; static const struct unicp437 cp437table[] = { { 0x0020, 0x20, 0x5e }, { 0x00a0, 0x20, 0x00 }, { 0x00a1, 0xad, 0x00 }, { 0x00a2, 0x9b, 0x00 }, { 0x00a3, 0x9c, 0x00 }, { 0x00a5, 0x9d, 0x00 }, { 0x00a7, 0x15, 0x00 }, { 0x00aa, 0xa6, 0x00 }, { 0x00ab, 0xae, 0x00 }, { 0x00ac, 0xaa, 0x00 }, { 0x00b0, 0xf8, 0x00 }, { 0x00b1, 0xf1, 0x00 }, { 0x00b2, 0xfd, 0x00 }, { 0x00b5, 0xe6, 0x00 }, { 0x00b6, 0x14, 0x00 }, { 0x00b7, 0xfa, 0x00 }, { 0x00ba, 0xa7, 0x00 }, { 0x00bb, 0xaf, 0x00 }, { 0x00bc, 0xac, 0x00 }, { 0x00bd, 0xab, 0x00 }, { 0x00bf, 0xa8, 0x00 }, { 0x00c4, 0x8e, 0x01 }, { 0x00c6, 0x92, 0x00 }, { 0x00c7, 0x80, 0x00 }, { 0x00c9, 0x90, 0x00 }, { 0x00d1, 0xa5, 0x00 }, { 0x00d6, 0x99, 0x00 }, { 0x00dc, 0x9a, 0x00 }, { 0x00df, 0xe1, 0x00 }, { 0x00e0, 0x85, 0x00 }, { 0x00e1, 0xa0, 0x00 }, { 0x00e2, 0x83, 0x00 }, { 0x00e4, 0x84, 0x00 }, { 0x00e5, 0x86, 0x00 }, { 0x00e6, 0x91, 0x00 }, { 0x00e7, 0x87, 0x00 }, { 0x00e8, 0x8a, 0x00 }, { 0x00e9, 0x82, 0x00 }, { 0x00ea, 0x88, 0x01 }, { 0x00ec, 0x8d, 0x00 }, { 0x00ed, 0xa1, 0x00 }, { 0x00ee, 0x8c, 0x00 }, { 0x00ef, 0x8b, 0x00 }, { 0x00f0, 0xeb, 0x00 }, { 0x00f1, 0xa4, 0x00 }, { 0x00f2, 0x95, 0x00 }, { 0x00f3, 0xa2, 0x00 }, { 0x00f4, 0x93, 0x00 }, { 0x00f6, 0x94, 0x00 }, { 0x00f7, 0xf6, 0x00 }, { 0x00f8, 0xed, 0x00 }, { 0x00f9, 0x97, 0x00 }, { 0x00fa, 0xa3, 0x00 }, { 0x00fb, 0x96, 0x00 }, { 0x00fc, 0x81, 0x00 }, { 0x00ff, 0x98, 0x00 }, { 0x0192, 0x9f, 0x00 }, { 0x0393, 0xe2, 0x00 }, { 0x0398, 0xe9, 0x00 }, { 0x03a3, 0xe4, 0x00 }, { 0x03a6, 0xe8, 0x00 }, { 0x03a9, 0xea, 0x00 }, { 0x03b1, 0xe0, 0x01 }, { 0x03b4, 0xeb, 0x00 }, { 0x03b5, 0xee, 0x00 }, { 0x03bc, 0xe6, 0x00 }, { 0x03c0, 0xe3, 0x00 }, { 0x03c3, 0xe5, 0x00 }, { 0x03c4, 0xe7, 0x00 }, { 0x03c6, 0xed, 0x00 }, { 0x03d5, 0xed, 0x00 }, { 0x2010, 0x2d, 0x00 }, { 0x2014, 0x2d, 0x00 }, { 0x2018, 0x60, 0x00 }, { 0x2019, 0x27, 0x00 }, { 0x201c, 0x22, 0x00 }, { 0x201d, 0x22, 0x00 }, { 0x2022, 0x07, 0x00 }, { 0x203c, 0x13, 0x00 }, { 0x207f, 0xfc, 0x00 }, { 0x20a7, 0x9e, 0x00 }, { 0x20ac, 0xee, 0x00 }, { 0x2126, 0xea, 0x00 }, { 0x2190, 0x1b, 0x00 }, { 0x2191, 0x18, 0x00 }, { 0x2192, 0x1a, 0x00 }, { 0x2193, 0x19, 0x00 }, { 0x2194, 0x1d, 0x00 }, { 0x2195, 0x12, 0x00 }, { 0x21a8, 0x17, 0x00 }, { 0x2202, 0xeb, 0x00 }, { 0x2208, 0xee, 0x00 }, { 0x2211, 0xe4, 0x00 }, { 0x2212, 0x2d, 0x00 }, { 0x2219, 0xf9, 0x00 }, { 0x221a, 0xfb, 0x00 }, { 0x221e, 0xec, 0x00 }, { 0x221f, 0x1c, 0x00 }, { 0x2229, 0xef, 0x00 }, { 0x2248, 0xf7, 0x00 }, { 0x2261, 0xf0, 0x00 }, { 0x2264, 0xf3, 0x00 }, { 0x2265, 0xf2, 0x00 }, { 0x2302, 0x7f, 0x00 }, { 0x2310, 0xa9, 0x00 }, { 0x2320, 0xf4, 0x00 }, { 0x2321, 0xf5, 0x00 }, { 0x2500, 0xc4, 0x00 }, { 0x2502, 0xb3, 0x00 }, { 0x250c, 0xda, 0x00 }, { 0x2510, 0xbf, 0x00 }, { 0x2514, 0xc0, 0x00 }, { 0x2518, 0xd9, 0x00 }, { 0x251c, 0xc3, 0x00 }, { 0x2524, 0xb4, 0x00 }, { 0x252c, 0xc2, 0x00 }, { 0x2534, 0xc1, 0x00 }, { 0x253c, 0xc5, 0x00 }, { 0x2550, 0xcd, 0x00 }, { 0x2551, 0xba, 0x00 }, { 0x2552, 0xd5, 0x00 }, { 0x2553, 0xd6, 0x00 }, { 0x2554, 0xc9, 0x00 }, { 0x2555, 0xb8, 0x00 }, { 0x2556, 0xb7, 0x00 }, { 0x2557, 0xbb, 0x00 }, { 0x2558, 0xd4, 0x00 }, { 0x2559, 0xd3, 0x00 }, { 0x255a, 0xc8, 0x00 }, { 0x255b, 0xbe, 0x00 }, { 0x255c, 0xbd, 0x00 }, { 0x255d, 0xbc, 0x00 }, { 0x255e, 0xc6, 0x01 }, { 0x2560, 0xcc, 0x00 }, { 0x2561, 0xb5, 0x00 }, { 0x2562, 0xb6, 0x00 }, { 0x2563, 0xb9, 0x00 }, { 0x2564, 0xd1, 0x01 }, { 0x2566, 0xcb, 0x00 }, { 0x2567, 0xcf, 0x00 }, { 0x2568, 0xd0, 0x00 }, { 0x2569, 0xca, 0x00 }, { 0x256a, 0xd8, 0x00 }, { 0x256b, 0xd7, 0x00 }, { 0x256c, 0xce, 0x00 }, { 0x2580, 0xdf, 0x00 }, { 0x2584, 0xdc, 0x00 }, { 0x2588, 0xdb, 0x00 }, { 0x258c, 0xdd, 0x00 }, { 0x2590, 0xde, 0x00 }, { 0x2591, 0xb0, 0x02 }, { 0x25a0, 0xfe, 0x00 }, { 0x25ac, 0x16, 0x00 }, { 0x25b2, 0x1e, 0x00 }, { 0x25ba, 0x10, 0x00 }, { 0x25bc, 0x1f, 0x00 }, { 0x25c4, 0x11, 0x00 }, { 0x25cb, 0x09, 0x00 }, { 0x25d8, 0x08, 0x00 }, { 0x25d9, 0x0a, 0x00 }, { 0x263a, 0x01, 0x01 }, { 0x263c, 0x0f, 0x00 }, { 0x2640, 0x0c, 0x00 }, { 0x2642, 0x0b, 0x00 }, { 0x2660, 0x06, 0x00 }, { 0x2663, 0x05, 0x00 }, { 0x2665, 0x03, 0x01 }, { 0x266a, 0x0d, 0x00 }, { 0x266c, 0x0e, 0x00 } }; static uint8_t vga_get_cp437(teken_char_t c) { int min, mid, max; min = 0; max = (sizeof(cp437table) / sizeof(struct unicp437)) - 1; if (c < cp437table[0].unicode_base || c > cp437table[max].unicode_base + cp437table[max].length) return ('?'); while (max >= min) { mid = (min + max) / 2; if (c < cp437table[mid].unicode_base) max = mid - 1; else if (c > cp437table[mid].unicode_base + cp437table[mid].length) min = mid + 1; else return (c - cp437table[mid].unicode_base + cp437table[mid].cp437_base); } return ('?'); } static void vidc_text_printchar(teken_gfx_t *state, const teken_pos_t *p) { int idx; uint8_t attr; struct text_pixel *px; teken_color_t fg, bg, tmp; struct cgatext { uint8_t ch; uint8_t attr; } *addr; idx = p->tp_col + p->tp_row * state->tg_tp.tp_col; px = &screen_buffer[idx]; fg = teken_256to16(px->a.ta_fgcolor); bg = teken_256to16(px->a.ta_bgcolor); if (px->a.ta_format & TF_BOLD) fg |= TC_LIGHT; if (px->a.ta_format & TF_BLINK) bg |= TC_LIGHT; if (px->a.ta_format & TF_REVERSE) { tmp = fg; fg = bg; bg = tmp; } attr = (cmap[bg & 0xf] << 4) | cmap[fg & 0xf]; addr = (struct cgatext *)vgatext; addr[idx].ch = vga_get_cp437(px->c); addr[idx].attr = attr; } static void vidc_text_putchar(void *s, const teken_pos_t *p, teken_char_t c, const teken_attr_t *a) { teken_gfx_t *state = s; int attr, idx; idx = p->tp_col + p->tp_row * state->tg_tp.tp_col; if (idx >= state->tg_tp.tp_col * state->tg_tp.tp_row) return; screen_buffer[idx].c = c; screen_buffer[idx].a = *a; vidc_text_printchar(state, p); } static void vidc_text_fill(void *arg, const teken_rect_t *r, teken_char_t c, const teken_attr_t *a) { teken_gfx_t *state = arg; teken_pos_t p; teken_unit_t row, col; vidc_text_get_cursor(&row, &col); vidc_text_set_cursor(row, col, false); for (p.tp_row = r->tr_begin.tp_row; p.tp_row < r->tr_end.tp_row; p.tp_row++) for (p.tp_col = r->tr_begin.tp_col; p.tp_col < r->tr_end.tp_col; p.tp_col++) vidc_text_putchar(state, &p, c, a); vidc_text_set_cursor(row, col, true); } static void vidc_text_copy(void *ptr, const teken_rect_t *r, const teken_pos_t *p) { teken_gfx_t *state = ptr; int srow, drow; int nrow, ncol, x, y; /* Has to be signed - >= 0 comparison */ teken_pos_t d, s; teken_unit_t row, col; /* * Copying is a little tricky. We must make sure we do it in * correct order, to make sure we don't overwrite our own data. */ nrow = r->tr_end.tp_row - r->tr_begin.tp_row; ncol = r->tr_end.tp_col - r->tr_begin.tp_col; vidc_text_get_cursor(&row, &col); vidc_text_set_cursor(row, col, false); if (p->tp_row < r->tr_begin.tp_row) { /* Copy from bottom to top. */ for (y = 0; y < nrow; y++) { d.tp_row = p->tp_row + y; s.tp_row = r->tr_begin.tp_row + y; drow = d.tp_row * state->tg_tp.tp_col; srow = s.tp_row * state->tg_tp.tp_col; for (x = 0; x < ncol; x++) { d.tp_col = p->tp_col + x; s.tp_col = r->tr_begin.tp_col + x; if (!is_same_pixel( &screen_buffer[d.tp_col + drow], &screen_buffer[s.tp_col + srow])) { screen_buffer[d.tp_col + drow] = screen_buffer[s.tp_col + srow]; vidc_text_printchar(state, &d); } } } } else { /* Copy from top to bottom. */ if (p->tp_col < r->tr_begin.tp_col) { /* Copy from right to left. */ for (y = nrow - 1; y >= 0; y--) { d.tp_row = p->tp_row + y; s.tp_row = r->tr_begin.tp_row + y; drow = d.tp_row * state->tg_tp.tp_col; srow = s.tp_row * state->tg_tp.tp_col; for (x = 0; x < ncol; x++) { d.tp_col = p->tp_col + x; s.tp_col = r->tr_begin.tp_col + x; if (!is_same_pixel( &screen_buffer[d.tp_col + drow], &screen_buffer[s.tp_col + srow])) { screen_buffer[d.tp_col + drow] = screen_buffer[s.tp_col + srow]; vidc_text_printchar(state, &d); } } } } else { /* Copy from left to right. */ for (y = nrow - 1; y >= 0; y--) { d.tp_row = p->tp_row + y; s.tp_row = r->tr_begin.tp_row + y; drow = d.tp_row * state->tg_tp.tp_col; srow = s.tp_row * state->tg_tp.tp_col; for (x = ncol - 1; x >= 0; x--) { d.tp_col = p->tp_col + x; s.tp_col = r->tr_begin.tp_col + x; if (!is_same_pixel( &screen_buffer[d.tp_col + drow], &screen_buffer[s.tp_col + srow])) { screen_buffer[d.tp_col + drow] = screen_buffer[s.tp_col + srow]; vidc_text_printchar(state, &d); } } } } } vidc_text_set_cursor(row, col, true); } static void vidc_text_param(void *arg, int cmd, unsigned int value) { teken_gfx_t *state = arg; teken_unit_t row, col; switch (cmd) { case TP_SETLOCALCURSOR: /* * 0 means normal (usually block), 1 means hidden, and * 2 means blinking (always block) for compatibility with * syscons. We don't support any changes except hiding, * so must map 2 to 0. */ value = (value == 1) ? 0 : 1; /* FALLTHROUGH */ case TP_SHOWCURSOR: vidc_text_get_cursor(&row, &col); if (value != 0) { vidc_text_set_cursor(row, col, true); state->tg_cursor_visible = true; } else { vidc_text_set_cursor(row, col, false); state->tg_cursor_visible = false; } break; default: /* Not yet implemented */ break; } } /* * Not implemented. */ static void vidc_cons_respond(void *s __unused, const void *buf __unused, size_t len __unused) { } static void vidc_probe(struct console *cp) { /* look for a keyboard */ #if KEYBOARD_PROBE if (probe_keyboard()) #endif { cp->c_flags |= C_PRESENTIN; } /* XXX for now, always assume we can do BIOS screen output */ cp->c_flags |= C_PRESENTOUT; } static bool color_name_to_teken(const char *name, int *val) { int light = 0; if (strncasecmp(name, "light", 5) == 0) { name += 5; light = TC_LIGHT; } else if (strncasecmp(name, "bright", 6) == 0) { name += 6; light = TC_LIGHT; } if (strcasecmp(name, "black") == 0) { *val = TC_BLACK | light; return (true); } if (strcasecmp(name, "red") == 0) { *val = TC_RED | light; return (true); } if (strcasecmp(name, "green") == 0) { *val = TC_GREEN | light; return (true); } if (strcasecmp(name, "yellow") == 0 || strcasecmp(name, "brown") == 0) { *val = TC_YELLOW | light; return (true); } if (strcasecmp(name, "blue") == 0) { *val = TC_BLUE | light; return (true); } if (strcasecmp(name, "magenta") == 0) { *val = TC_MAGENTA | light; return (true); } if (strcasecmp(name, "cyan") == 0) { *val = TC_CYAN | light; return (true); } if (strcasecmp(name, "white") == 0) { *val = TC_WHITE | light; return (true); } return (false); } static int vidc_set_colors(struct env_var *ev, int flags, const void *value) { int val = 0; char buf[3]; const void *evalue; const teken_attr_t *ap; teken_attr_t a; if (value == NULL) return (CMD_OK); if (color_name_to_teken(value, &val)) { snprintf(buf, sizeof (buf), "%d", val); evalue = buf; } else { char *end; long lval; errno = 0; lval = strtol(value, &end, 0); if (errno != 0 || *end != '\0' || lval < 0 || lval > 15) { printf("Allowed values are either ansi color name or " "number from range [0-15].\n"); return (CMD_OK); } val = (int)lval; evalue = value; } ap = teken_get_defattr(&gfx_state.tg_teken); a = *ap; if (strcmp(ev->ev_name, "teken.fg_color") == 0) { /* is it already set? */ if (ap->ta_fgcolor == val) return (CMD_OK); a.ta_fgcolor = val; } if (strcmp(ev->ev_name, "teken.bg_color") == 0) { /* is it already set? */ if (ap->ta_bgcolor == val) return (CMD_OK); a.ta_bgcolor = val; } /* Improve visibility */ if (a.ta_bgcolor == TC_WHITE) a.ta_bgcolor |= TC_LIGHT; teken_set_defattr(&gfx_state.tg_teken, &a); cons_draw_frame(&a); env_setenv(ev->ev_name, flags | EV_NOHOOK, evalue, NULL, NULL); teken_input(&gfx_state.tg_teken, "\e[2J", 4); return (CMD_OK); } static int env_screen_nounset(struct env_var *ev __unused) { if (gfx_state.tg_fb_type == FB_TEXT) return (0); return (EPERM); } static int vidc_load_palette(void) { int i, roff, goff, boff, rc; if (pe8 == NULL) pe8 = calloc(sizeof(*pe8), NCMAP); if (pe8 == NULL) return (ENOMEM); /* Generate VGA colors */ roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1; goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1; boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1; rc = generate_cons_palette((uint32_t *)pe8, COLOR_FORMAT_RGB, gfx_state.tg_fb.fb_mask_red >> roff, roff, gfx_state.tg_fb.fb_mask_green >> goff, goff, gfx_state.tg_fb.fb_mask_blue >> boff, boff); if (rc == 0) { for (i = 0; i < NCMAP; i++) { int idx; if (i < NCOLORS) idx = cons_to_vga_colors[i]; else idx = i; rc = vbe_set_palette(&pe8[i], idx); if (rc != 0) break; } } return (rc); } static void cons_draw_frame(teken_attr_t *a) { teken_attr_t attr = *a; teken_color_t fg = a->ta_fgcolor; attr.ta_fgcolor = attr.ta_bgcolor; teken_set_defattr(&gfx_state.tg_teken, &attr); gfx_fb_drawrect(0, 0, gfx_state.tg_fb.fb_width, gfx_state.tg_origin.tp_row, 1); gfx_fb_drawrect(0, gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1, gfx_state.tg_fb.fb_width, gfx_state.tg_fb.fb_height, 1); gfx_fb_drawrect(0, gfx_state.tg_origin.tp_row, gfx_state.tg_origin.tp_col, gfx_state.tg_fb.fb_height - gfx_state.tg_origin.tp_row - 1, 1); gfx_fb_drawrect( gfx_state.tg_fb.fb_width - gfx_state.tg_origin.tp_col - 1, gfx_state.tg_origin.tp_row, gfx_state.tg_fb.fb_width, gfx_state.tg_fb.fb_height, 1); attr.ta_fgcolor = fg; teken_set_defattr(&gfx_state.tg_teken, &attr); } /* * Binary searchable table for CP437 to Unicode conversion. */ struct cp437uni { uint8_t cp437_base; uint16_t unicode_base; uint8_t length; }; static const struct cp437uni cp437unitable[] = { { 0, 0x0000, 0 }, { 1, 0x263A, 1 }, { 3, 0x2665, 1 }, { 5, 0x2663, 0 }, { 6, 0x2660, 0 }, { 7, 0x2022, 0 }, { 8, 0x25D8, 0 }, { 9, 0x25CB, 0 }, { 10, 0x25D9, 0 }, { 11, 0x2642, 0 }, { 12, 0x2640, 0 }, { 13, 0x266A, 1 }, { 15, 0x263C, 0 }, { 16, 0x25BA, 0 }, { 17, 0x25C4, 0 }, { 18, 0x2195, 0 }, { 19, 0x203C, 0 }, { 20, 0x00B6, 0 }, { 21, 0x00A7, 0 }, { 22, 0x25AC, 0 }, { 23, 0x21A8, 0 }, { 24, 0x2191, 0 }, { 25, 0x2193, 0 }, { 26, 0x2192, 0 }, { 27, 0x2190, 0 }, { 28, 0x221F, 0 }, { 29, 0x2194, 0 }, { 30, 0x25B2, 0 }, { 31, 0x25BC, 0 }, { 32, 0x0020, 0x5e }, { 127, 0x2302, 0 }, { 128, 0x00C7, 0 }, { 129, 0x00FC, 0 }, { 130, 0x00E9, 0 }, { 131, 0x00E2, 0 }, { 132, 0x00E4, 0 }, { 133, 0x00E0, 0 }, { 134, 0x00E5, 0 }, { 135, 0x00E7, 0 }, { 136, 0x00EA, 1 }, { 138, 0x00E8, 0 }, { 139, 0x00EF, 0 }, { 140, 0x00EE, 0 }, { 141, 0x00EC, 0 }, { 142, 0x00C4, 1 }, { 144, 0x00C9, 0 }, { 145, 0x00E6, 0 }, { 146, 0x00C6, 0 }, { 147, 0x00F4, 0 }, { 148, 0x00F6, 0 }, { 149, 0x00F2, 0 }, { 150, 0x00FB, 0 }, { 151, 0x00F9, 0 }, { 152, 0x00FF, 0 }, { 153, 0x00D6, 0 }, { 154, 0x00DC, 0 }, { 155, 0x00A2, 1 }, { 157, 0x00A5, 0 }, { 158, 0x20A7, 0 }, { 159, 0x0192, 0 }, { 160, 0x00E1, 0 }, { 161, 0x00ED, 0 }, { 162, 0x00F3, 0 }, { 163, 0x00FA, 0 }, { 164, 0x00F1, 0 }, { 165, 0x00D1, 0 }, { 166, 0x00AA, 0 }, { 167, 0x00BA, 0 }, { 168, 0x00BF, 0 }, { 169, 0x2310, 0 }, { 170, 0x00AC, 0 }, { 171, 0x00BD, 0 }, { 172, 0x00BC, 0 }, { 173, 0x00A1, 0 }, { 174, 0x00AB, 0 }, { 175, 0x00BB, 0 }, { 176, 0x2591, 2 }, { 179, 0x2502, 0 }, { 180, 0x2524, 0 }, { 181, 0x2561, 1 }, { 183, 0x2556, 0 }, { 184, 0x2555, 0 }, { 185, 0x2563, 0 }, { 186, 0x2551, 0 }, { 187, 0x2557, 0 }, { 188, 0x255D, 0 }, { 189, 0x255C, 0 }, { 190, 0x255B, 0 }, { 191, 0x2510, 0 }, { 192, 0x2514, 0 }, { 193, 0x2534, 0 }, { 194, 0x252C, 0 }, { 195, 0x251C, 0 }, { 196, 0x2500, 0 }, { 197, 0x253C, 0 }, { 198, 0x255E, 1 }, { 200, 0x255A, 0 }, { 201, 0x2554, 0 }, { 202, 0x2569, 0 }, { 203, 0x2566, 0 }, { 204, 0x2560, 0 }, { 205, 0x2550, 0 }, { 206, 0x256C, 0 }, { 207, 0x2567, 1 }, { 209, 0x2564, 1 }, { 211, 0x2559, 0 }, { 212, 0x2558, 0 }, { 213, 0x2552, 1 }, { 215, 0x256B, 0 }, { 216, 0x256A, 0 }, { 217, 0x2518, 0 }, { 218, 0x250C, 0 }, { 219, 0x2588, 0 }, { 220, 0x2584, 0 }, { 221, 0x258C, 0 }, { 222, 0x2590, 0 }, { 223, 0x2580, 0 }, { 224, 0x03B1, 0 }, { 225, 0x00DF, 0 }, { 226, 0x0393, 0 }, { 227, 0x03C0, 0 }, { 228, 0x03A3, 0 }, { 229, 0x03C3, 0 }, { 230, 0x00B5, 0 }, { 231, 0x03C4, 0 }, { 232, 0x03A6, 0 }, { 233, 0x0398, 0 }, { 234, 0x03A9, 0 }, { 235, 0x03B4, 0 }, { 236, 0x221E, 0 }, { 237, 0x03C6, 0 }, { 238, 0x03B5, 0 }, { 239, 0x2229, 0 }, { 240, 0x2261, 0 }, { 241, 0x00B1, 0 }, { 242, 0x2265, 0 }, { 243, 0x2264, 0 }, { 244, 0x2320, 1 }, { 246, 0x00F7, 0 }, { 247, 0x2248, 0 }, { 248, 0x00B0, 0 }, { 249, 0x2219, 0 }, { 250, 0x00B7, 0 }, { 251, 0x221A, 0 }, { 252, 0x207F, 0 }, { 253, 0x00B2, 0 }, { 254, 0x25A0, 0 }, { 255, 0x00A0, 0 } }; static uint16_t vga_cp437_to_uni(uint8_t c) { int min, mid, max; min = 0; max = (sizeof(cp437unitable) / sizeof(struct cp437uni)) - 1; while (max >= min) { mid = (min + max) / 2; if (c < cp437unitable[mid].cp437_base) max = mid - 1; else if (c > cp437unitable[mid].cp437_base + cp437unitable[mid].length) min = mid + 1; else return (c - cp437unitable[mid].cp437_base + cp437unitable[mid].unicode_base); } return ('?'); } /* * install font for text mode */ static void vidc_install_font(void) { uint8_t reg[7]; const uint8_t *from; uint8_t volatile *to; uint16_t c; int i, j, s; int bpc, f_offset; teken_attr_t a = { 0 }; /* We can only program VGA registers. */ if (!vbe_is_vga()) return; if (gfx_state.tg_fb_type != FB_TEXT) return; /* Sync-reset the sequencer registers */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET, VGA_SEQ_RST_NAR); reg[0] = vga_get_seq(VGA_REG_BASE, VGA_SEQ_MAP_MASK); reg[1] = vga_get_seq(VGA_REG_BASE, VGA_SEQ_CLOCKING_MODE); reg[2] = vga_get_seq(VGA_REG_BASE, VGA_SEQ_MEMORY_MODE); reg[3] = vga_get_grc(VGA_REG_BASE, VGA_GC_READ_MAP_SELECT); reg[4] = vga_get_grc(VGA_REG_BASE, VGA_GC_MODE); reg[5] = vga_get_grc(VGA_REG_BASE, VGA_GC_MISCELLANEOUS); reg[6] = vga_get_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL); /* Screen off */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_CLOCKING_MODE, reg[1] | VGA_SEQ_CM_SO); /* * enable write to plane2, since fonts * could only be loaded into plane2 */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_MAP_MASK, VGA_SEQ_MM_EM2); /* * sequentially access data in the bit map being * selected by MapMask register (index 0x02) */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_MEMORY_MODE, 0x07); /* Sync-reset ended, and allow the sequencer to operate */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET, VGA_SEQ_RST_SR | VGA_SEQ_RST_NAR); /* * select plane 2 on Read Mode 0 */ vga_set_grc(VGA_REG_BASE, VGA_GC_READ_MAP_SELECT, 0x02); /* * system addresses sequentially access data, follow * Memory Mode register bit 2 in the sequencer */ vga_set_grc(VGA_REG_BASE, VGA_GC_MODE, 0x00); /* * set range of host memory addresses decoded by VGA * hardware -- A0000h-BFFFFh (128K region) */ vga_set_grc(VGA_REG_BASE, VGA_GC_MISCELLANEOUS, 0x00); /* * This assumes 8x16 characters, which yield the traditional 80x25 * screen. */ bpc = 16; s = 0; /* font slot, maybe should use tunable there. */ f_offset = s * 8 * 1024; for (i = 0; i < 256; i++) { c = vga_cp437_to_uni(i); from = font_lookup(&gfx_state.tg_font, c, &a); to = (unsigned char *)ptov(VGA_MEM_BASE) + f_offset + i * 0x20; for (j = 0; j < bpc; j++) *to++ = *from++; } vga_set_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL, reg[6]); /* Sync-reset the sequencer registers */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET, VGA_SEQ_RST_NAR); vga_set_seq(VGA_REG_BASE, VGA_SEQ_MAP_MASK, reg[0]); vga_set_seq(VGA_REG_BASE, VGA_SEQ_MEMORY_MODE, reg[2]); /* Sync-reset ended, and allow the sequencer to operate */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_RESET, VGA_SEQ_RST_SR | VGA_SEQ_RST_NAR); /* restore graphic registers */ vga_set_grc(VGA_REG_BASE, VGA_GC_READ_MAP_SELECT, reg[3]); vga_set_grc(VGA_REG_BASE, VGA_GC_MODE, reg[4]); vga_set_grc(VGA_REG_BASE, VGA_GC_MISCELLANEOUS, (reg[5] & 0x03) | 0x0c); /* Screen on */ vga_set_seq(VGA_REG_BASE, VGA_SEQ_CLOCKING_MODE, reg[1] & 0xdf); } bool cons_update_mode(bool use_gfx_mode) { const teken_attr_t *a; teken_attr_t attr; char env[10], *ptr; int format, roff, goff, boff; /* vidc_init() is not called yet. */ if (!vidc_started) return (false); gfx_state.tg_tp.tp_row = TEXT_ROWS; gfx_state.tg_tp.tp_col = TEXT_COLS; if (use_gfx_mode) { setup_font(&gfx_state, gfx_state.tg_fb.fb_height, gfx_state.tg_fb.fb_width); /* Point of origin in pixels. */ gfx_state.tg_origin.tp_row = (gfx_state.tg_fb.fb_height - (gfx_state.tg_tp.tp_row * gfx_state.tg_font.vf_height)) / 2; gfx_state.tg_origin.tp_col = (gfx_state.tg_fb.fb_width - (gfx_state.tg_tp.tp_col * gfx_state.tg_font.vf_width)) / 2; gfx_state.tg_glyph_size = gfx_state.tg_font.vf_height * gfx_state.tg_font.vf_width * 4; free(gfx_state.tg_glyph); gfx_state.tg_glyph = malloc(gfx_state.tg_glyph_size); if (gfx_state.tg_glyph == NULL) return (false); gfx_state.tg_functions = &tfx; snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_height); env_setenv("screen.height", EV_VOLATILE | EV_NOHOOK, env, env_noset, env_screen_nounset); snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_width); env_setenv("screen.width", EV_VOLATILE | EV_NOHOOK, env, env_noset, env_screen_nounset); snprintf(env, sizeof (env), "%d", gfx_state.tg_fb.fb_bpp); env_setenv("screen.depth", EV_VOLATILE | EV_NOHOOK, env, env_noset, env_screen_nounset); } else { /* Trigger loading of 8x16 font. */ setup_font(&gfx_state, 16 * gfx_state.tg_fb.fb_height, 8 * gfx_state.tg_fb.fb_width); gfx_state.tg_functions = &tf; /* ensure the following are not set for text mode */ unsetenv("screen.height"); unsetenv("screen.width"); unsetenv("screen.depth"); vidc_install_font(); } free(screen_buffer); screen_buffer = malloc(gfx_state.tg_tp.tp_row * gfx_state.tg_tp.tp_col * sizeof(*screen_buffer)); if (screen_buffer == NULL) return (false); teken_init(&gfx_state.tg_teken, gfx_state.tg_functions, &gfx_state); if (gfx_state.tg_ctype == CT_INDEXED) format = COLOR_FORMAT_VGA; else format = COLOR_FORMAT_RGB; roff = ffs(gfx_state.tg_fb.fb_mask_red) - 1; goff = ffs(gfx_state.tg_fb.fb_mask_green) - 1; boff = ffs(gfx_state.tg_fb.fb_mask_blue) - 1; (void) generate_cons_palette(cmap, format, gfx_state.tg_fb.fb_mask_red >> roff, roff, gfx_state.tg_fb.fb_mask_green >> goff, goff, gfx_state.tg_fb.fb_mask_blue >> boff, boff); if (gfx_state.tg_ctype == CT_INDEXED && use_gfx_mode) vidc_load_palette(); teken_set_winsize(&gfx_state.tg_teken, &gfx_state.tg_tp); a = teken_get_defattr(&gfx_state.tg_teken); attr = *a; /* * On first run, we set up the vidc_set_colors() * callback. If the env is already set, we * pick up fg and bg color values from the environment. */ ptr = getenv("teken.fg_color"); if (ptr != NULL) { attr.ta_fgcolor = strtol(ptr, NULL, 10); ptr = getenv("teken.bg_color"); attr.ta_bgcolor = strtol(ptr, NULL, 10); teken_set_defattr(&gfx_state.tg_teken, &attr); } else { snprintf(env, sizeof(env), "%d", attr.ta_fgcolor); env_setenv("teken.fg_color", EV_VOLATILE, env, vidc_set_colors, env_nounset); snprintf(env, sizeof(env), "%d", attr.ta_bgcolor); env_setenv("teken.bg_color", EV_VOLATILE, env, vidc_set_colors, env_nounset); } /* Improve visibility */ if (attr.ta_bgcolor == TC_WHITE) attr.ta_bgcolor |= TC_LIGHT; teken_set_defattr(&gfx_state.tg_teken, &attr); snprintf(env, sizeof (env), "%u", (unsigned)gfx_state.tg_tp.tp_row); setenv("LINES", env, 1); snprintf(env, sizeof (env), "%u", (unsigned)gfx_state.tg_tp.tp_col); setenv("COLUMNS", env, 1); /* Draw frame around terminal area. */ cons_draw_frame(&attr); /* Erase display, this will also fill our screen buffer. */ teken_input(&gfx_state.tg_teken, "\e[2J", 4); gfx_state.tg_functions->tf_param(&gfx_state, TP_SHOWCURSOR, 1); return (true); } static int vidc_init(int arg) { const teken_attr_t *a; int val; char env[8]; if (vidc_started && arg == 0) return (0); vidc_started = true; vbe_init(); /* * Check Miscellaneous Output Register (Read at 3CCh, Write at 3C2h) * for bit 1 (Input/Output Address Select), which means * color/graphics adapter. */ if (vga_get_reg(VGA_REG_BASE, VGA_GEN_MISC_OUTPUT_R) & VGA_GEN_MO_IOA) vgatext = (uint16_t *)PTOV(VGA_TXT_BASE); else vgatext = (uint16_t *)PTOV(VGA_MEM_BASE + VGA_MEM_SIZE); /* set 16bit colors */ val = vga_get_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL); val &= ~VGA_AC_MC_BI; val &= ~VGA_AC_MC_ELG; vga_set_atr(VGA_REG_BASE, VGA_AC_MODE_CONTROL, val); #if defined(FRAMEBUFFER_MODE) val = vbe_default_mode(); /* if val is not legal VBE mode, use text mode */ if (VBE_VALID_MODE(val)) { if (vbe_set_mode(val) != 0) bios_set_text_mode(VGA_TEXT_MODE); } #endif gfx_framework_init(); if (!cons_update_mode(VBE_VALID_MODE(vbe_get_mode()))) return (1); for (int i = 0; i < 10 && vidc_ischar(); i++) (void) vidc_getchar(); return (0); /* XXX reinit? */ } void vidc_biosputchar(int c) { v86.ctl = 0; v86.addr = 0x10; v86.eax = 0xe00 | (c & 0xff); v86.ebx = 0x7; v86int(); } static void vidc_putchar(int c) { unsigned char ch = c; if (screen_buffer != NULL) teken_input(&gfx_state.tg_teken, &ch, sizeof (ch)); else vidc_biosputchar(c); } static int vidc_getchar(void) { int i, c; for (i = 0; i < KEYBUFSZ; i++) { if (keybuf[i] != 0) { c = keybuf[i]; keybuf[i] = 0; return (c); } } if (vidc_ischar()) { v86.ctl = 0; v86.addr = 0x16; v86.eax = 0x0; v86int(); if ((v86.eax & 0xff) != 0) { return (v86.eax & 0xff); } /* extended keys */ switch (v86.eax & 0xff00) { case 0x4800: /* up */ keybuf[0] = '['; keybuf[1] = 'A'; return (0x1b); /* esc */ case 0x4b00: /* left */ keybuf[0] = '['; keybuf[1] = 'D'; return (0x1b); /* esc */ case 0x4d00: /* right */ keybuf[0] = '['; keybuf[1] = 'C'; return (0x1b); /* esc */ case 0x5000: /* down */ keybuf[0] = '['; keybuf[1] = 'B'; return (0x1b); /* esc */ default: return (-1); } } else { return (-1); } } static int vidc_ischar(void) { int i; for (i = 0; i < KEYBUFSZ; i++) { if (keybuf[i] != 0) { return (1); } } v86.ctl = V86_FLAGS; v86.addr = 0x16; v86.eax = 0x100; v86int(); return (!V86_ZR(v86.efl)); } #if KEYBOARD_PROBE #define PROBE_MAXRETRY 5 #define PROBE_MAXWAIT 400 #define IO_DUMMY 0x84 #define IO_KBD 0x060 /* 8042 Keyboard */ /* selected defines from kbdio.h */ #define KBD_STATUS_PORT 4 /* status port, read */ #define KBD_DATA_PORT 0 /* data port, read/write * also used as keyboard command * and mouse command port */ #define KBDC_ECHO 0x00ee #define KBDS_ANY_BUFFER_FULL 0x0001 #define KBDS_INPUT_BUFFER_FULL 0x0002 #define KBD_ECHO 0x00ee /* 7 microsec delay necessary for some keyboard controllers */ static void delay7(void) { /* * I know this is broken, but no timer is available yet at this stage... * See also comments in `delay1ms()'. */ inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); inb(IO_DUMMY); } /* * This routine uses an inb to an unused port, the time to execute that * inb is approximately 1.25uS. This value is pretty constant across * all CPU's and all buses, with the exception of some PCI implentations * that do not forward this I/O address to the ISA bus as they know it * is not a valid ISA bus address, those machines execute this inb in * 60 nS :-(. * */ static void delay1ms(void) { int i = 800; while (--i >= 0) (void) inb(0x84); } /* * We use the presence/absence of a keyboard to determine whether the internal * console can be used for input. * * Perform a simple test on the keyboard; issue the ECHO command and see * if the right answer is returned. We don't do anything as drastic as * full keyboard reset; it will be too troublesome and take too much time. */ static int probe_keyboard(void) { int retry = PROBE_MAXRETRY; int wait; int i; while (--retry >= 0) { /* flush any noise */ while (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) { delay7(); inb(IO_KBD + KBD_DATA_PORT); delay1ms(); } /* wait until the controller can accept a command */ for (wait = PROBE_MAXWAIT; wait > 0; --wait) { if (((i = inb(IO_KBD + KBD_STATUS_PORT)) & (KBDS_INPUT_BUFFER_FULL | KBDS_ANY_BUFFER_FULL)) == 0) break; if (i & KBDS_ANY_BUFFER_FULL) { delay7(); inb(IO_KBD + KBD_DATA_PORT); } delay1ms(); } if (wait <= 0) continue; /* send the ECHO command */ outb(IO_KBD + KBD_DATA_PORT, KBDC_ECHO); /* wait for a response */ for (wait = PROBE_MAXWAIT; wait > 0; --wait) { if (inb(IO_KBD + KBD_STATUS_PORT) & KBDS_ANY_BUFFER_FULL) break; delay1ms(); } if (wait <= 0) continue; delay7(); i = inb(IO_KBD + KBD_DATA_PORT); #ifdef PROBE_KBD_BEBUG printf("probe_keyboard: got 0x%x.\n", i); #endif if (i == KBD_ECHO) { /* got the right answer */ return (1); } } return (0); } #endif /* KEYBOARD_PROBE */