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#!/bin/sh
# This script is loosly based on a script with same purpose provided
# by RIOT-OS (https://github.com/RIOT-OS/RIOT)
OPENOCD_CMD="${OPENOCD:-openocd} -s ${OPENOCD_DEFAULT_PATH}"
OPENOCD_CONFIG=${ZEPHYR_BASE}/boards/${ARCH}/${BOARD_NAME}/support/openocd.cfg
BIN_NAME=${O}/${KERNEL_BIN_NAME}
ELF_NAME=${O}/${KERNEL_ELF_NAME}
test_config() {
if [ ! -f "${OPENOCD_CONFIG}" ]; then
echo "Error: Unable to locate OpenOCD configuration file: ${OPENOCD_CONFIG}"
exit 1
fi
if [ ! -f "${OPENOCD}" ]; then
echo "Error: Unable to locate OpenOCD executable: ${OPENOCD}"
exit 1
fi
}
test_bin() {
if [ ! -f "${BIN_NAME}" ]; then
echo "Error: Unable to locate image binary: ${BIN_NAME}"
exit 1
fi
}
do_flash() {
test_config
test_bin
# flash device with specified image
sh -c "${OPENOCD_CMD} -f '${OPENOCD_CONFIG}' \
-c 'init' \
-c 'targets' \
${OPENOCD_PRE_CMD} \
-c 'reset halt' \
-c ${OPENOCD_LOAD_CMD} \
-c 'reset halt' \
-c ${OPENOCD_VERIFY_CMD} \
${OPENOCD_POST_CMD} \
-c 'reset run' \
-c 'shutdown'"
echo 'Done flashing'
}
do_debug() {
test_config
test_bin
# setsid is needed so that Ctrl+C in GDB doesn't kill OpenOCD
[ -z "${SETSID}" ] && SETSID="$(which setsid)"
# temporary file that saves OpenOCD pid
OCD_PIDFILE=$(mktemp -t "openocd_pid.XXXXXXXXXX")
# cleanup after script terminates
trap "cleanup ${OCD_PIDFILE}" EXIT
# don't trap on Ctrl+C, because GDB keeps running
trap '' INT
# start OpenOCD as GDB server
${SETSID} sh -c "${OPENOCD_CMD} -f '${OPENOCD_CONFIG}' \
${OPENOCD_EXTRA_INIT} \
-c 'tcl_port ${TCL_PORT:-6333}' \
-c 'telnet_port ${TELNET_PORT:-4444}' \
-c 'gdb_port ${GDB_PORT:-3333}' \
-c 'init' \
-c 'targets' \
-c 'halt' \
& \
echo \$! > $OCD_PIDFILE" &
# connect to the GDB server
${GDB} ${TUI} -ex "target remote :${GDB_PORT:-3333}" ${ELF_NAME}
# will be called by trap
cleanup() {
OCD_PID="$(cat $OCD_PIDFILE)"
kill ${OCD_PID} &>/dev/null
rm -f "$OCD_PIDFILE"
exit 0
}
}
do_debugserver() {
test_config
sh -c "${OPENOCD_CMD} -f '${OPENOCD_CONFIG}' \
-c 'init' \
-c 'targets' \
-c 'reset halt'"
}
CMD="$1"
shift
case "${CMD}" in
flash)
echo "Flashing Target Device"
do_flash "$@"
;;
debugserver)
do_debugserver "$@"
;;
debug)
do_debug "$@"
;;
esac
|
