f36cc10867
Update a few copyright years which we forgot to do in 2008 (only for
files whose changes made in 2008 were copyright-significant)
* Makefile.in: Add 2008 to Copyright line.
* disk/ieee1275/ofdisk.c: Likewise.
* disk/efi/efidisk.c: Likewise.
* kern/dl.c: Likewise.
* kern/sparc64/ieee1275/init.c: Likewise.
* kern/mm.c: Likewise.
* kern/efi/mm.c: Likewise.
* boot/i386/pc/boot.S: Likewise.
* genfslist.sh: Likewise.
* fs/iso9660.c: Likewise.
* fs/hfs.c: Likewise.
* fs/jfs.c: Likewise.
* fs/minix.c: Likewise.
* fs/ufs.c: Likewise.
* gensymlist.sh.in: Likewise.
* genkernsyms.sh.in: Likewise.
* include/grub/misc.h: Likewise.
* include/grub/types.h: Likewise.
* include/grub/symbol.h: Likewise.
* include/grub/elf.h: Likewise.
* include/grub/kernel.h: Likewise.
* include/grub/disk.h: Likewise.
* include/grub/dl.h: Likewise.
* include/grub/i386/linux.h: Likewise.
* include/grub/i386/pc/biosdisk.h: Likewise.
* include/grub/efi/api.h: Likewise.
* include/grub/efi/pe32.h: Likewise.
* include/grub/util/misc.h: Likewise.
* normal/execute.c: Likewise.
* normal/arg.c: Likewise.
* normal/completion.c: Likewise.
* normal/lexer.c: Likewise.
* normal/parser.y: Likewise.
* normal/misc.c: Likewise.
* commands/i386/pc/vbeinfo.c: Likewise.
* commands/hexdump.c: Likewise.
* commands/terminal.c: Likewise.
* commands/ls.c: Likewise.
* commands/help.c: Likewise.
* partmap/pc.c: Likewise.
* loader/efi/chainloader.c: Likewise.
* loader/multiboot_loader.c: Likewise.
* loader/i386/pc/multiboot2.c: Likewise.
* term/efi/console.c: Likewise.
* term/i386/pc/serial.c: Likewise.
* util/lvm.c: Likewise.
* util/console.c: Likewise.
* util/i386/efi/grub-mkimage.c: Likewise.
* util/raid.c: Likewise.
378 lines
8.1 KiB
C
378 lines
8.1 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2006,2007,2008 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/term.h>
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#include <grub/misc.h>
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#include <grub/types.h>
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#include <grub/err.h>
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#include <grub/efi/efi.h>
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#include <grub/efi/api.h>
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#include <grub/efi/console.h>
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static grub_uint8_t
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grub_console_standard_color = GRUB_EFI_TEXT_ATTR (GRUB_EFI_YELLOW,
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GRUB_EFI_BACKGROUND_BLACK);
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static grub_uint8_t
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grub_console_normal_color = GRUB_EFI_TEXT_ATTR (GRUB_EFI_LIGHTGRAY,
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GRUB_EFI_BACKGROUND_BLACK);
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static grub_uint8_t
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grub_console_highlight_color = GRUB_EFI_TEXT_ATTR (GRUB_EFI_BLACK,
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GRUB_EFI_BACKGROUND_LIGHTGRAY);
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static int read_key = -1;
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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 EFI character. */
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switch (c)
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{
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case 0x2190: /* left arrow */
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c = 0x25c4;
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break;
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case 0x2191: /* up arrow */
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c = 0x25b2;
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break;
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case 0x2192: /* right arrow */
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c = 0x25ba;
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break;
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case 0x2193: /* down arrow */
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c = 0x25bc;
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break;
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case 0x2501: /* horizontal line */
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c = 0x2500;
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break;
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case 0x2503: /* vertical line */
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c = 0x2502;
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break;
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case 0x250F: /* upper-left corner */
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c = 0x250c;
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break;
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case 0x2513: /* upper-right corner */
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c = 0x2510;
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break;
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case 0x2517: /* lower-left corner */
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c = 0x2514;
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break;
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case 0x251B: /* lower-right corner */
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c = 0x2518;
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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_efi_char16_t str[2];
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grub_efi_simple_text_output_interface_t *o;
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o = grub_efi_system_table->con_out;
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/* For now, do not try to use a surrogate pair. */
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if (c > 0xffff)
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c = '?';
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str[0] = (grub_efi_char16_t) map_char (c & 0xffff);
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str[1] = 0;
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/* Should this test be cached? */
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if (c > 0x7f && efi_call_2 (o->test_string, o, str) != GRUB_EFI_SUCCESS)
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return;
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efi_call_2 (o->output_string, o, str);
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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 int
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grub_console_checkkey (void)
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{
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grub_efi_simple_input_interface_t *i;
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grub_efi_input_key_t key;
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grub_efi_status_t status;
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if (read_key >= 0)
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return 1;
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i = grub_efi_system_table->con_in;
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status = efi_call_2 (i->read_key_stroke, i, &key);
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#if 0
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switch (status)
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{
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case GRUB_EFI_SUCCESS:
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{
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grub_uint16_t xy;
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xy = grub_getxy ();
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grub_gotoxy (0, 0);
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grub_printf ("scan_code=%x,unicode_char=%x ",
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(unsigned) key.scan_code,
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(unsigned) key.unicode_char);
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grub_gotoxy (xy >> 8, xy & 0xff);
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}
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break;
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case GRUB_EFI_NOT_READY:
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//grub_printf ("not ready ");
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break;
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default:
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//grub_printf ("device error ");
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break;
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}
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#endif
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if (status == GRUB_EFI_SUCCESS)
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{
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switch (key.scan_code)
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{
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case 0x00:
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read_key = key.unicode_char;
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break;
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case 0x01:
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read_key = 16;
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break;
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case 0x02:
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read_key = 14;
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break;
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case 0x03:
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read_key = 6;
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break;
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case 0x04:
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read_key = 2;
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break;
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case 0x05:
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read_key = 1;
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break;
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case 0x06:
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read_key = 5;
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break;
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case 0x07:
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break;
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case 0x08:
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read_key = 4;
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break;
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case 0x09:
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break;
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case 0x0a:
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break;
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case 0x0b:
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read_key = 24;
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break;
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case 0x0c:
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read_key = 1;
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break;
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case 0x0d:
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read_key = 5;
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break;
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case 0x17:
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read_key = '\e';
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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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return read_key;
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}
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static int
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grub_console_getkey (void)
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{
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grub_efi_simple_input_interface_t *i;
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grub_efi_boot_services_t *b;
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grub_efi_uintn_t index;
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grub_efi_status_t status;
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int key;
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if (read_key >= 0)
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{
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key = read_key;
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read_key = -1;
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return key;
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}
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i = grub_efi_system_table->con_in;
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b = grub_efi_system_table->boot_services;
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do
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{
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status = efi_call_3 (b->wait_for_event, 1, &(i->wait_for_key), &index);
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if (status != GRUB_EFI_SUCCESS)
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return -1;
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grub_console_checkkey ();
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}
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while (read_key < 0);
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key = read_key;
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read_key = -1;
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return key;
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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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grub_efi_simple_text_output_interface_t *o;
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grub_efi_uintn_t columns, rows;
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o = grub_efi_system_table->con_out;
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if (efi_call_4 (o->query_mode, o, o->mode->mode, &columns, &rows) != GRUB_EFI_SUCCESS)
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{
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/* Why does this fail? */
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columns = 80;
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rows = 25;
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}
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return ((columns << 8) | rows);
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}
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static grub_uint16_t
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grub_console_getxy (void)
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{
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grub_efi_simple_text_output_interface_t *o;
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o = grub_efi_system_table->con_out;
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return ((o->mode->cursor_column << 8) | o->mode->cursor_row);
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}
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static void
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grub_console_gotoxy (grub_uint8_t x, grub_uint8_t y)
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{
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grub_efi_simple_text_output_interface_t *o;
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o = grub_efi_system_table->con_out;
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efi_call_3 (o->set_cursor_position, o, x, y);
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}
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static void
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grub_console_cls (void)
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{
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grub_efi_simple_text_output_interface_t *o;
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grub_efi_int32_t orig_attr;
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o = grub_efi_system_table->con_out;
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orig_attr = o->mode->attribute;
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efi_call_2 (o->set_attributes, o, GRUB_EFI_BACKGROUND_BLACK);
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efi_call_1 (o->clear_screen, o);
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efi_call_2 (o->set_attributes, o, orig_attr);
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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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grub_efi_simple_text_output_interface_t *o;
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o = grub_efi_system_table->con_out;
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switch (state) {
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case GRUB_TERM_COLOR_STANDARD:
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efi_call_2 (o->set_attributes, o, grub_console_standard_color);
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break;
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case GRUB_TERM_COLOR_NORMAL:
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efi_call_2 (o->set_attributes, o, grub_console_normal_color);
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break;
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case GRUB_TERM_COLOR_HIGHLIGHT:
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efi_call_2 (o->set_attributes, o, 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 void
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grub_console_setcursor (int on)
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{
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grub_efi_simple_text_output_interface_t *o;
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o = grub_efi_system_table->con_out;
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efi_call_2 (o->enable_cursor, o, on);
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}
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static struct grub_term_input grub_console_term_input =
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{
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.name = "console",
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.checkkey = grub_console_checkkey,
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.getkey = grub_console_getkey,
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};
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static struct grub_term_output grub_console_term_output =
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{
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.name = "console",
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.putchar = grub_console_putchar,
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.getcharwidth = grub_console_getcharwidth,
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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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};
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void
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grub_console_init (void)
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{
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/* FIXME: it is necessary to consider the case where no console control
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is present but the default is already in text mode. */
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if (! grub_efi_set_text_mode (1))
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{
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grub_error (GRUB_ERR_BAD_DEVICE, "cannot set text mode");
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return;
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}
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grub_term_register_input (&grub_console_term_input);
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grub_term_register_output (&grub_console_term_output);
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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_unregister_input (&grub_console_term_input);
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grub_term_unregister_output (&grub_console_term_output);
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}
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