blob: 9272e38d1104e734ffee7749fa468bf6eecd2876 (
plain)
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
|
/*
* 1. load vmlinuz
*
* CONFIG_MEMORY_START +-----------------------+
* | vmlinuz |
* +-----------------------+
* 2. decompressed
*
* CONFIG_MEMORY_START +-----------------------+
* | vmlinuz |
* +-----------------------+
* | |
* BOOT_RELOC_ADDR +-----------------------+
* | |
* KERNEL_DECOMPRESS_ADDR +-----------------------+
* | vmlinux |
* +-----------------------+
*
* 3. relocate copy & jump code
*
* CONFIG_MEMORY_START +-----------------------+
* | vmlinuz |
* +-----------------------+
* | |
* BOOT_RELOC_ADDR +-----------------------+
* | boot(copy&jump) |
* KERNEL_DECOMPRESS_ADDR +-----------------------+
* | vmlinux |
* +-----------------------+
*
* 4. relocate decompressed kernel
*
* CONFIG_MEMORY_START +-----------------------+
* | vmlinux |
* +-----------------------+
* | |
* BOOT_RELOC_ADDR +-----------------------+
* | boot(copy&jump) |
* KERNEL_DECOMPRESS_ADDR +-----------------------+
* | |
* +-----------------------+
*
*/
#ifdef __ASSEMBLY__
#define __val(x) x
#else
#define __val(x) (x)
#endif
#define DECOMPRESS_OFFSET_BASE __val(0x00900000)
#define BOOT_RELOC_SIZE __val(0x00001000)
#define KERNEL_EXEC_ADDR __val(CONFIG_MEMORY_START)
#define KERNEL_DECOMPRESS_ADDR __val(CONFIG_MEMORY_START + \
DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE)
#define KERNEL_ENTRY __val(CONFIG_MEMORY_START + 0x1000)
#define BOOT_EXEC_ADDR __val(CONFIG_MEMORY_START)
#define BOOT_RELOC_ADDR __val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE)
|