1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* ----------------------------------------------------------------------- *
*
* Copyright 2007-2009 H. Peter Anvin - All Rights Reserved
* Copyright 2009 Intel Corporation; author: H. Peter Anvin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
/*
* memmap.c
*
* Create initial memory map for "shuffle and boot" operation
*/
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <inttypes.h>
#include <syslinux/memscan.h>
#include <syslinux/movebits.h>
static int syslinux_memory_map_callback(void *map, addr_t start,
addr_t len, bool valid)
{
struct syslinux_memmap **mmap = map;
return syslinux_add_memmap(mmap, start, len,
valid ? SMT_FREE : SMT_RESERVED);
}
struct syslinux_memmap *syslinux_memory_map(void)
{
struct syslinux_memmap *mmap;
mmap = syslinux_init_memmap();
if (!mmap)
return NULL;
if (syslinux_scan_memory(syslinux_memory_map_callback, &mmap)) {
syslinux_free_memmap(mmap);
return NULL;
}
return mmap;
}
|
