projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * 1. load vmlinuz | |
| 4 | * | |
| 5 | * CONFIG_MEMORY_START +-----------------------+ | |
| 6 | * | vmlinuz | | |
| 7 | * +-----------------------+ | |
| 8 | * 2. decompressed | |
| 9 | * | |
| 10 | * CONFIG_MEMORY_START +-----------------------+ | |
| 11 | * | vmlinuz | | |
| 12 | * +-----------------------+ | |
| 13 | * | | | |
| 14 | * BOOT_RELOC_ADDR +-----------------------+ | |
| 15 | * | | | |
| 16 | * KERNEL_DECOMPRESS_ADDR +-----------------------+ | |
| 17 | * | vmlinux | | |
| 18 | * +-----------------------+ | |
| 19 | * | |
| 20 | * 3. relocate copy & jump code | |
| 21 | * | |
| 22 | * CONFIG_MEMORY_START +-----------------------+ | |
| 23 | * | vmlinuz | | |
| 24 | * +-----------------------+ | |
| 25 | * | | | |
| 26 | * BOOT_RELOC_ADDR +-----------------------+ | |
| 27 | * | boot(copy&jump) | | |
| 28 | * KERNEL_DECOMPRESS_ADDR +-----------------------+ | |
| 29 | * | vmlinux | | |
| 30 | * +-----------------------+ | |
| 31 | * | |
| 32 | * 4. relocate decompressed kernel | |
| 33 | * | |
| 34 | * CONFIG_MEMORY_START +-----------------------+ | |
| 35 | * | vmlinux | | |
| 36 | * +-----------------------+ | |
| 37 | * | | | |
| 38 | * BOOT_RELOC_ADDR +-----------------------+ | |
| 39 | * | boot(copy&jump) | | |
| 40 | * KERNEL_DECOMPRESS_ADDR +-----------------------+ | |
| 41 | * | | | |
| 42 | * +-----------------------+ | |
| 43 | * | |
| 44 | */ | |
| 45 | #ifdef __ASSEMBLY__ | |
| 46 | #define __val(x) x | |
| 47 | #else | |
| 48 | #define __val(x) (x) | |
| 49 | #endif | |
| 50 | ||
| 51 | #define DECOMPRESS_OFFSET_BASE __val(0x00900000) | |
| 52 | #define BOOT_RELOC_SIZE __val(0x00001000) | |
| 53 | ||
| 54 | #define KERNEL_EXEC_ADDR __val(CONFIG_MEMORY_START) | |
| 55 | #define KERNEL_DECOMPRESS_ADDR __val(CONFIG_MEMORY_START + \ | |
| 56 | DECOMPRESS_OFFSET_BASE + BOOT_RELOC_SIZE) | |
| 57 | #define KERNEL_ENTRY __val(CONFIG_MEMORY_START + 0x1000) | |
| 58 | ||
| 59 | #define BOOT_EXEC_ADDR __val(CONFIG_MEMORY_START) | |
| 60 | #define BOOT_RELOC_ADDR __val(CONFIG_MEMORY_START + DECOMPRESS_OFFSET_BASE) |