Dump SRAM into a file via Black Magic Probe with GDB

dump-sram.sh

#!/bin/sh

ln -fs /dev/serial/by-id/usb-*Black*Magic*-if00 .bmp.tmp

# Replace arm-zephyr-eabi-gdb with the correct toolchain prefix.
# Update the end address depending on the SRAM size.
arm-zephyr-eabi-gdb --batch -ex 'tar ext .bmp.tmp' -ex 'mon swdp_scan' -ex 'attach 1' -ex 'dump bin mem ram.bin 0x20000000 0x20008000'

# To read all Cortex-M4 core peripheral registers:
#   mem 0xE000E000 0xE000F000 rw 32  # This is not necessary if "set mem inaccessible-by-default off"
#   x/1000xw 0xE000E000