1/* 2 * 1. load vmlinuz 3 * 4 * CONFIG_MEMORY_START +-----------------------+ 5 * | vmlinuz | 6 * +-----------------------+ 7 * 2. decompressed 8 * 9 * CONFIG_MEMORY_START +-----------------------+ 10 * | vmlinuz | 11 * +-----------------------+ 12 * | | 13 * BOOT_RELOC_ADDR +-----------------------+ 14 * | | 15 * KERNEL_DECOMPRESS_ADDR +-----------------------+ 16 * | vmlinux | 17 * +-----------------------+ 18 * 19 * 3. relocate copy & jump code 20 * 21 * CONFIG_MEMORY_START +-----------------------+ 22 * | vmlinuz | 23 * +-----------------------+ 24 * | | 25 * BOOT_RELOC_ADDR +-----------------------+ 26 * | boot(copy&jump) | 27 * KERNEL_DECOMPRESS_ADDR +-----------------------+ 28 * | vmlinux | 29 * +-----------------------+ 30 * 31 * 4. relocate decompressed kernel 32 * 33 * CONFIG_MEMORY_START +-----------------------+ 34 * | vmlinux | 35 * +-----------------------+ 36 * | | 37 * BOOT_RELOC_ADDR +-----------------------+ 38 * | boot(copy&jump) | 39 * KERNEL_DECOMPRESS_ADDR +-----------------------+ 40 * | | 41 * +-----------------------+ 42 * 43 */ 44#ifdef __ASSEMBLY__ 45#define __val(x) x 46#else 47#define __val(x) (x) 48#endif 49 50#define DECOMPRESS_OFFSET_BASE __val(0x00900000) 51#define BOOT_RELOC_SIZE __val(0x00001000) 52 53#define KERNEL_EXEC_ADDR __val(CONFIG_MEMORY_START) 54#define KERNEL_DECOMPRESS_ADDR __val(CONFIG_MEMORY_START + \ 55 DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE) 56#define KERNEL_ENTRY __val(CONFIG_MEMORY_START + 0x1000) 57 58#define BOOT_EXEC_ADDR __val(CONFIG_MEMORY_START) 59#define BOOT_RELOC_ADDR __val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE) 60