In System IMEM there is a contiguous 4KB chunk used as shared memory between multiple subsystems. the offset start
address is 0x2A03F000, below table lists the detail.
address is 0x2A03F000, below table lists the detail.
| Subsystem | Offset | Size |
| BOOT | 0x0 | 200 Bytes |
| USB | 0xC8 | 200 Bytes |
| DDR | 0x190 | 1024 Bytes |
| EFS | 0x590 | 200 Bytes |
| HLOS | 0x658 | 200 Bytes |
| RPM | 0x720 | 8 bytes |
| Unused space | 0x728 | 12 bytes |
| Securemsm | 0x734 | 512 Bytes |
| peripheral debug | 0x934 | 24 bytes |
| Image version info | 0x94C | 200 bytes |
| Unused space | 0xA14 | |
| BOOTROM | 0xF9C | 100 bytes |
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