grub-savannah-mirror/grub-core/kern/i386/coreboot/cbtable.c

/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2007,2008,2013  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/i386/coreboot/memory.h>
#include <grub/coreboot/lbio.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/dl.h>

GRUB_MOD_LICENSE ("GPLv3+");

grub_linuxbios_table_header_t
grub_linuxbios_get_tables (void)
{
  grub_linuxbios_table_header_t table_header;
  /* Assuming table_header is aligned to its size (8 bytes).  */
  for (table_header = (grub_linuxbios_table_header_t) 0x500;
       table_header < (grub_linuxbios_table_header_t) 0x1000; table_header++)
    if (grub_linuxbios_check_signature (table_header))
      return table_header;

  for (table_header = (grub_linuxbios_table_header_t) 0xf0000;
       table_header < (grub_linuxbios_table_header_t) 0x100000; table_header++)
    if (grub_linuxbios_check_signature (table_header))
      return table_header;

  return 0;
}