JianyuWang0623 opened a new pull request, #3093:
URL: https://github.com/apache/nuttx-apps/pull/3093
## Summary
Add examples for oem memdump dumping all memory regions.
## Impact
- system/fastboot
## Testing
Selftest passed with
`CONFIG_BOARD_MEMORY_RANGE="{0x20000,0x48000,0x7},{0x40000000,0x4f590000,0x7},{0x4ff30000,0x50000000,0x7}"`
- Host side: dump all memory regions when argument is invalid
```bash
# Usage: fastboot oem memdump <addr> <size>
# Invalid argument
$ fastboot oem memdump
fastboot oem memdump 0x20000 0x28000
fastboot get_staged 0x20000.bin
fastboot oem memdump 0x40000000 0xf590000
fastboot get_staged 0x40000000.bin
fastboot oem memdump 0x4ff30000 0xd0000
fastboot get_staged 0x4ff30000.bin
FAILED (remote: 'Invalid argument')
fastboot: error: Command failed
```
- Device side: dump all memory regions for help
```bash
nsh> fastbootd -h
Usage: fastbootd [wait_ms]
memdump:
fastboot oem memdump 0x20000 0x28000
fastboot get_staged 0x20000.bin
fastboot oem memdump 0x40000000 0xf590000
fastboot get_staged 0x40000000.bin
fastboot oem memdump 0x4ff30000 0xd0000
fastboot get_staged 0x4ff30000.bin
```
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