On Tue, Apr 30, 2024 at 4:43 AM <osmocom@third-harmonic.com> wrote:
>

The bootloader reserves some SRAM for its own operation, and disallows access to this area. Reading out the rest of the SRAM shouldn't be a problem.

For example:
$ stm32flash -S 0x20000200 /dev/ttyUSB0 -r /tmp/sramout
stm32flash 0.7

http://stm32flash.sourceforge.net/

Interface serial_posix: 57600 8E1
Version      : 0x22
Option 1     : 0x00
Option 2     : 0x00
Device ID    : 0x0410 (STM32F10xxx Medium-density)
- RAM        : Up to 20KiB  (512b reserved by bootloader)
- Flash      : Up to 128KiB (size first sector: 4x1024)
- Option bytes  : 16b
- System memory : 2KiB
Memory read