61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
|
/*
|
||
|
|
* GRUB -- GRand Unified Bootloader
|
||
|
|
* Copyright (C) 2002,2003,2004,2005,2006,2007,2008 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/init.h>
|
||
|
|
#include <grub/machine/memory.h>
|
||
|
|
#include <grub/types.h>
|
||
|
|
|
||
|
|
void
|
||
|
|
grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t))
|
||
|
|
{
|
||
|
|
grub_uint32_t cont;
|
||
|
|
struct grub_machine_mmap_entry *entry
|
||
|
|
= (struct grub_machine_mmap_entry *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR;
|
||
|
|
|
||
|
|
/* Check if grub_get_mmap_entry works. */
|
||
|
|
cont = grub_get_mmap_entry (entry, 0);
|
||
|
|
|
||
|
|
if (entry->size)
|
||
|
|
do
|
||
|
|
{
|
||
|
|
if (hook (entry->addr, entry->len,
|
||
|
|
/* Multiboot mmaps have been defined to match with the E820 definition.
|
||
|
|
Therefore, we can just pass type through. */
|
||
|
|
entry->type))
|
||
|
|
break;
|
||
|
|
|
||
|
|
if (! cont)
|
||
|
|
break;
|
||
|
|
|
||
|
|
cont = grub_get_mmap_entry (entry, cont);
|
||
|
|
}
|
||
|
|
while (entry->size);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
grub_uint32_t eisa_mmap = grub_get_eisa_mmap ();
|
||
|
|
|
||
|
|
if (eisa_mmap)
|
||
|
|
{
|
||
|
|
if (hook (0x100000, (eisa_mmap & 0xFFFF) << 10, GRUB_MACHINE_MEMORY_AVAILABLE) == 0)
|
||
|
|
hook (0x1000000, eisa_mmap & ~0xFFFF, GRUB_MACHINE_MEMORY_AVAILABLE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hook (0x100000, grub_get_memsize (1) << 10, GRUB_MACHINE_MEMORY_AVAILABLE);
|
||
|
|
}
|
||
|
|
}
|