2
* GRUB -- GRand Unified Bootloader
3
* Copyright (C) 2010 Free Software Foundation, Inc.
5
* GRUB is free software: you can redistribute it and/or modify
6
* it under the terms of the GNU General Public License as published by
7
* the Free Software Foundation, either version 3 of the License, or
8
* (at your option) any later version.
10
* GRUB is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
15
* You should have received a copy of the GNU General Public License
16
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
19
#include <grub/relocator.h>
20
#include <grub/relocator_private.h>
21
#include <grub/memory.h>
22
#include <grub/ieee1275/ieee1275.h>
25
grub_relocator_firmware_get_max_events (void)
28
auto int NESTED_FUNC_ATTR count (grub_uint64_t addr __attribute__ ((unused)),
29
grub_uint64_t len __attribute__ ((unused)),
30
grub_memory_type_t type __attribute__ ((unused)));
31
int NESTED_FUNC_ATTR count (grub_uint64_t addr __attribute__ ((unused)),
32
grub_uint64_t len __attribute__ ((unused)),
33
grub_memory_type_t type __attribute__ ((unused)))
39
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
41
grub_machine_mmap_iterate (count);
46
grub_relocator_firmware_fill_events (struct grub_relocator_mmap_event *events)
49
auto int NESTED_FUNC_ATTR fill (grub_uint64_t addr, grub_uint64_t len,
50
grub_memory_type_t type);
51
int NESTED_FUNC_ATTR fill (grub_uint64_t addr, grub_uint64_t len,
52
grub_memory_type_t type)
54
if (type != GRUB_MEMORY_AVAILABLE)
57
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
59
if (addr + len <= 0x180000)
64
len = addr + len - 0x180000;
69
events[counter].type = REG_FIRMWARE_START;
70
events[counter].pos = addr;
72
events[counter].type = REG_FIRMWARE_END;
73
events[counter].pos = addr + len;
79
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_CANNOT_INTERPRET))
81
grub_machine_mmap_iterate (fill);
86
grub_relocator_firmware_alloc_region (grub_addr_t start, grub_size_t size)
88
return (grub_claimmap (start, size) >= 0);
92
grub_relocator_firmware_free_region (grub_addr_t start, grub_size_t size)
94
grub_ieee1275_release (start, size);