70 lines
2 KiB
C
70 lines
2 KiB
C
|
/*
|
||
|
|
* GRUB -- GRand Unified Bootloader
|
||
|
|
* Copyright (C) 2007 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/machine/memory.h>
|
||
|
|
#include <grub/types.h>
|
||
|
|
#include <grub/err.h>
|
||
|
|
|
||
|
|
static grub_err_t
|
||
|
|
grub_linuxbios_table_iterate (grub_linuxbios_table_header_t table_header,
|
||
|
|
int (*hook) (grub_linuxbios_table_item_t))
|
||
|
|
{
|
||
|
|
grub_linuxbios_table_item_t table_item;
|
||
|
|
|
||
|
|
if (grub_memcmp (table_header->signature, "LBIO", 4))
|
||
|
|
grub_fatal ("Could not find LinuxBIOS table\n");
|
||
|
|
|
||
|
|
table_item =
|
||
|
|
(grub_linuxbios_table_item_t) ((long) table_header +
|
||
|
|
(long) table_header->size);
|
||
|
|
for (; table_item->size;
|
||
|
|
table_item = (grub_linuxbios_table_item_t) ((long) table_item + (long) table_item->size))
|
||
|
|
if (hook (table_item))
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
grub_err_t
|
||
|
|
grub_available_iterate (int (*hook) (mem_region_t))
|
||
|
|
{
|
||
|
|
mem_region_t mem_region;
|
||
|
|
|
||
|
|
auto int iterate_linuxbios_table (grub_linuxbios_table_item_t);
|
||
|
|
int iterate_linuxbios_table (grub_linuxbios_table_item_t table_item)
|
||
|
|
{
|
||
|
|
if (table_item->tag != GRUB_LINUXBIOS_MEMBER_MEMORY)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
mem_region =
|
||
|
|
(mem_region_t) ((long) table_item +
|
||
|
|
sizeof (struct grub_linuxbios_table_item));
|
||
|
|
for (; (long) mem_region < (long) table_item + (long) table_item->size;
|
||
|
|
mem_region++)
|
||
|
|
if (hook (mem_region))
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
grub_linuxbios_table_iterate (GRUB_MEMORY_MACHINE_LINUXBIOS_TABLE_ADDR,
|
||
|
|
iterate_linuxbios_table);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|