1
0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
RIOT/cpu/kinetis/dist/check-fcfield-elf.sh
Joakim Nohlgård d63672798e kinetis: Allow FOPT settings other than 0xff
These bits configure some early boot options and may be necessary to
use on certain boards to ensure a robust boot sequence.
2018-11-27 16:00:42 +01:00

25 lines
833 B
Bash
Executable File

#!/bin/sh
#
# Anti brick check script for Freescale Kinetis MCUs.
#
# This script is supposed to be called from RIOTs
# unified OpenOCD script (dist/tools/openocd/openocd.sh).
#
# @author Jonas Remmert <j.remmert@phytec.de>
# @author Johann Fischer <j.fischer@phytec.de>
ELFFILE=$1
ACTUAL_FCFIELD=$(arm-none-eabi-objdump -j.fcfield -s "${ELFFILE}" | awk '/^ 0400 / {print $2 $3 $4 $5}')
# Allow any FOPT flags configuration (".." in the pattern)
EXPECTED_FCFIELD="^fffffffffffffffffffffffffe..ffff$"
if ! printf '%s' "${ACTUAL_FCFIELD}" | grep -q "${EXPECTED_FCFIELD}" ; then
echo "Danger of bricking the device during flash!"
echo "Flash configuration field of ${ELFFILE}:"
arm-none-eabi-objdump -j.fcfield -s "${ELFFILE}"
echo "Abort flash procedure!"
exit 1
fi
echo "${ELFFILE} is fine."
exit 0