Unable to read peripheral memory with GDB

[kossnikita]

Describe the bug
Peripheral reading does not work with gdb server probe-rs. While the rest of the debug generally works fine.

To Reproduce
Steps to reproduce the behavior:

1. run server probe-rs gdb
2. connect with gdb
3. run -data-read-memory-bytes <any peripheral>

Expected behavior
Reading peripherals returns correct status data.

Desktop

• Windows 10

Additional context
See issue on cortex-debug

[Yatekii]

GDB is a piece of work wrt memory sections because of soft/hard breakpoint management. So we only map out RAM and Flash, but no peripherals, which then prompts GDB to say "hey, that memory does not exist". There is no good way to solve this, but I am happy to accept any solutions :)