| /* console.c - console interface layer for U-Boot platforms */ |
| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2013 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <grub/term.h> |
| #include <grub/misc.h> |
| #include <grub/types.h> |
| #include <grub/err.h> |
| #include <grub/terminfo.h> |
| #include <grub/uboot/uboot.h> |
| #include <grub/uboot/console.h> |
| |
| static void |
| put (struct grub_term_output *term __attribute__ ((unused)), const int c) |
| { |
| grub_uboot_putc (c); |
| } |
| |
| static int |
| readkey (struct grub_term_input *term __attribute__ ((unused))) |
| { |
| if (grub_uboot_tstc () > 0) |
| return grub_uboot_getc (); |
| |
| return -1; |
| } |
| |
| static void |
| uboot_console_setcursor (struct grub_term_output *term |
| __attribute__ ((unused)), int on |
| __attribute__ ((unused))) |
| { |
| grub_terminfo_setcursor (term, on); |
| } |
| |
| static grub_err_t |
| uboot_console_init_input (struct grub_term_input *term) |
| { |
| return grub_terminfo_input_init (term); |
| } |
| |
| extern struct grub_terminfo_output_state uboot_console_terminfo_output; |
| |
| |
| static grub_err_t |
| uboot_console_init_output (struct grub_term_output *term) |
| { |
| grub_terminfo_output_init (term); |
| |
| return 0; |
| } |
| |
| struct grub_terminfo_input_state uboot_console_terminfo_input = { |
| .readkey = readkey |
| }; |
| |
| struct grub_terminfo_output_state uboot_console_terminfo_output = { |
| .put = put, |
| /* FIXME: In rare cases when console isn't serial, |
| determine real width. */ |
| .size = { 80, 24 } |
| }; |
| |
| static struct grub_term_input uboot_console_term_input = { |
| .name = "console", |
| .init = uboot_console_init_input, |
| .getkey = grub_terminfo_getkey, |
| .data = &uboot_console_terminfo_input |
| }; |
| |
| static struct grub_term_output uboot_console_term_output = { |
| .name = "console", |
| .init = uboot_console_init_output, |
| .putchar = grub_terminfo_putchar, |
| .getwh = grub_terminfo_getwh, |
| .getxy = grub_terminfo_getxy, |
| .gotoxy = grub_terminfo_gotoxy, |
| .cls = grub_terminfo_cls, |
| .setcolorstate = grub_terminfo_setcolorstate, |
| .setcursor = uboot_console_setcursor, |
| .flags = GRUB_TERM_CODE_TYPE_ASCII, |
| .data = &uboot_console_terminfo_output, |
| .progress_update_divisor = GRUB_PROGRESS_FAST |
| }; |
| |
| void |
| grub_console_init_early (void) |
| { |
| grub_term_register_input ("console", &uboot_console_term_input); |
| grub_term_register_output ("console", &uboot_console_term_output); |
| } |
| |
| |
| /* |
| * grub_console_init_lately(): |
| * Initializes terminfo formatting by registering terminal type. |
| * Called after heap has been configured. |
| * |
| */ |
| void |
| grub_console_init_lately (void) |
| { |
| const char *type; |
| |
| /* See if explicitly set by U-Boot environment */ |
| type = grub_uboot_env_get ("grub_term"); |
| if (!type) |
| type = "vt100"; |
| |
| grub_terminfo_init (); |
| grub_terminfo_output_register (&uboot_console_term_output, type); |
| } |
| |
| void |
| grub_console_fini (void) |
| { |
| } |