89a7d726f9
* commands/blocklist.c: New file.
* DISTLIST: Added commands/blocklist.c.
* term/efi/console.c (grub_console_highlight_color): Use a lighter
color for the background, and a daker color for the foreground.
(grub_console_checkkey): Return READ_KEY.
(grub_console_cls): Set the background to
GRUB_EFI_BACKGROUND_BLACK temporarily to clean out the screen.
* kern/efi/efi.c (grub_efi_exit_boot_services): New function.
* include/grub/i386/linux.h (struct linux_kernel_params): Fixed
the size of "padding5", "hd0_drive_info" and "hd1_drive_info".
* include/grub/efi/efi.h (grub_efi_exit_boot_services): New
prototype.
* include/grub/efi/api.h (GRUB_EFI_TEXT_ATTR): Do not shift
BG. The spec is wrong again.
* include/grub/normal.h [GRUB_UTIL] (grub_blocklist_init): New
prototype.
[GRUB_UTIL] (grub_blocklist_fini): Likewise.
* conf/i386-pc.rmk (grub_emu_SOURCES): Added
commands/blocklist.c.
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.
* conf/common.rmk (pkgdata_MODULES): Added blocklist.mod.
(blocklist_mod_SOURCES): New variable.
(blocklist_mod_CFLAGS): Likewise.
(blocklist_mod_LDFLAGS): Likewise.
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/* blocklist.c - print the block list of a file */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2006 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <grub/normal.h>
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#include <grub/dl.h>
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#include <grub/arg.h>
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#include <grub/misc.h>
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#include <grub/file.h>
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#include <grub/mm.h>
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#include <grub/disk.h>
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static grub_err_t
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grub_cmd_blocklist (struct grub_arg_list *state __attribute__ ((unused)),
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int argc, char **args)
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{
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grub_file_t file;
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char buf[GRUB_DISK_SECTOR_SIZE];
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unsigned long start_sector = 0;
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unsigned num_sectors = 0;
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int num_entries = 0;
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auto void read_blocklist (unsigned long sector, unsigned offset,
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unsigned length);
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auto void print_blocklist (unsigned long sector, unsigned num,
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unsigned offset, unsigned length);
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void read_blocklist (unsigned long sector, unsigned offset,
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unsigned length)
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{
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if (num_sectors > 0)
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{
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if (start_sector + num_sectors == sector
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&& offset == 0 && length == GRUB_DISK_SECTOR_SIZE)
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{
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num_sectors++;
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return;
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}
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print_blocklist (start_sector, num_sectors, 0, 0);
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num_sectors = 0;
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}
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if (offset == 0 && length == GRUB_DISK_SECTOR_SIZE)
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{
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start_sector = sector;
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num_sectors++;
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}
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else
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print_blocklist (sector, 0, offset, length);
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}
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void print_blocklist (unsigned long sector, unsigned num,
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unsigned offset, unsigned length)
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{
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if (num_entries++)
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grub_printf (",");
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grub_printf ("%lu", sector);
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if (num > 0)
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grub_printf ("+%u", num);
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if (offset != 0 || length != 0)
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grub_printf ("[%u-%u]", offset, offset + length);
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}
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if (argc < 1)
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return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
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file = grub_file_open (args[0]);
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if (! file)
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return grub_errno;
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file->read_hook = read_blocklist;
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while (grub_file_read (file, buf, sizeof (buf)) > 0)
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;
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if (num_sectors > 0)
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print_blocklist (start_sector, num_sectors, 0, 0);
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grub_file_close (file);
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return grub_errno;
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}
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GRUB_MOD_INIT(blocklist)
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{
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(void) mod; /* To stop warning. */
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grub_register_command ("blocklist", grub_cmd_blocklist,
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GRUB_COMMAND_FLAG_BOTH,
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"blocklist FILE",
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"Print a block list.", 0);
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}
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GRUB_MOD_FINI(blocklist)
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{
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grub_unregister_command ("blocklist");
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}
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