a7cbd45a07
* term/i386/pc/console.c [GRUB_MACHINE_LINUXBIOS] (grub_console_init):
Initialize keyboard controller after registering the terminal, so that
grub_printf() can be called from grub_keyboard_controller_init().
165 lines
3.9 KiB
C
165 lines
3.9 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002,2003,2005,2007,2008 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/machine/machine.h>
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#include <grub/machine/console.h>
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#include <grub/term.h>
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#include <grub/types.h>
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grub_uint8_t grub_console_cur_color = 0x7;
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static grub_uint8_t grub_console_standard_color = 0x7;
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static grub_uint8_t grub_console_normal_color = 0x7;
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static grub_uint8_t grub_console_highlight_color = 0x70;
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static grub_uint32_t
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map_char (grub_uint32_t c)
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{
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if (c > 0x7f)
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{
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/* Map some unicode characters to the VGA font, if possible. */
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switch (c)
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{
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case 0x2190: /* left arrow */
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c = 0x1b;
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break;
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case 0x2191: /* up arrow */
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c = 0x18;
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break;
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case 0x2192: /* right arrow */
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c = 0x1a;
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break;
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case 0x2193: /* down arrow */
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c = 0x19;
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break;
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case 0x2501: /* horizontal line */
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c = 0xc4;
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break;
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case 0x2503: /* vertical line */
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c = 0xb3;
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break;
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case 0x250F: /* upper-left corner */
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c = 0xda;
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break;
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case 0x2513: /* upper-right corner */
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c = 0xbf;
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break;
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case 0x2517: /* lower-left corner */
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c = 0xc0;
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break;
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case 0x251B: /* lower-right corner */
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c = 0xd9;
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break;
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default:
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c = '?';
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break;
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}
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}
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return c;
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}
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static void
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grub_console_putchar (grub_uint32_t c)
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{
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grub_console_real_putchar (map_char (c));
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}
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static grub_ssize_t
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grub_console_getcharwidth (grub_uint32_t c __attribute__ ((unused)))
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{
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/* For now, every printable character has the width 1. */
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return 1;
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}
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static grub_uint16_t
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grub_console_getwh (void)
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{
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return (80 << 8) | 25;
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}
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static void
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grub_console_setcolorstate (grub_term_color_state state)
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{
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switch (state) {
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case GRUB_TERM_COLOR_STANDARD:
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grub_console_cur_color = grub_console_standard_color;
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break;
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case GRUB_TERM_COLOR_NORMAL:
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grub_console_cur_color = grub_console_normal_color;
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break;
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case GRUB_TERM_COLOR_HIGHLIGHT:
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grub_console_cur_color = grub_console_highlight_color;
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break;
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default:
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break;
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}
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}
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static void
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grub_console_setcolor (grub_uint8_t normal_color, grub_uint8_t highlight_color)
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{
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grub_console_normal_color = normal_color;
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grub_console_highlight_color = highlight_color;
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}
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static void
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grub_console_getcolor (grub_uint8_t *normal_color, grub_uint8_t *highlight_color)
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{
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*normal_color = grub_console_normal_color;
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*highlight_color = grub_console_highlight_color;
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}
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static struct grub_term grub_console_term =
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{
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.name = "console",
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.init = 0,
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.fini = 0,
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.putchar = grub_console_putchar,
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.getcharwidth = grub_console_getcharwidth,
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.checkkey = grub_console_checkkey,
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.getkey = grub_console_getkey,
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.getwh = grub_console_getwh,
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.getxy = grub_console_getxy,
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.gotoxy = grub_console_gotoxy,
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.cls = grub_console_cls,
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.setcolorstate = grub_console_setcolorstate,
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.setcolor = grub_console_setcolor,
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.getcolor = grub_console_getcolor,
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.setcursor = grub_console_setcursor,
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.flags = 0,
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.next = 0
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};
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void
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grub_console_init (void)
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{
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grub_term_register (&grub_console_term);
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grub_term_set_current (&grub_console_term);
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#ifdef GRUB_MACHINE_LINUXBIOS
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grub_keyboard_controller_init ();
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#endif
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}
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void
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grub_console_fini (void)
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{
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grub_term_set_current (&grub_console_term);
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grub_term_unregister (&grub_console_term);
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}
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