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)
|