Miyoo
BROM Boot Header
參考資訊：
1. eGON
格式如下：
| Bytes | Content |
|---|---|
| 4 | Instruction |
| 8 | Magic "eGON.BT0" |
| 4 | Checksum |
| 4 | Length |
| 4 | SPL Signature |
| 4 | FEL Script Address |
| 4 | FEL uEnv Length |
| 4 | DT Name Offset |
| 4 | Reserved |
| 4 | Boot Media |
| 4+ | String Pool |
XBoot範例：
.global _start _start: ; Boot head information for BROM ; 0x40 - boot params ; 0x58 - fel boot type ; 0x5c - dram size .long 0xea000016 .byte 'e', 'G', 'O', 'N', '.', 'B', 'T', '0' .long __spl_checksum .long __spl_size .byte 'S', 'P', 'L', 2 .long 0 .long 0 .long 0, 0, 0, 0, 0, 0, 0, 0 .long 0, 0, 0, 0, 0, 0, 0, 0 _vector: b reset ldr pc, _undefined_instruction ldr pc, _software_interrupt ldr pc, _prefetch_abort ldr pc, _data_abort ldr pc, _not_used ldr pc, _irq ldr pc, _fiq