add support for debugserver

Change-Id: Ib22d9c06ba7816c3b870973d16e1c25229f31e1f
Signed-off-by: Anas Nashif <anas.nashif@intel.com>

Makefile.inc

@@ -72,6 +72,16 @@ endif
 flash: $(DOTCONFIG)
 	$(Q)$(call zephyrmake,$(O),$@)
 
+ifeq ($(MAKECMDGOALS),debugserver)
+-include $(ZEPHYR_BASE)/boards/$(BOARD)/Makefile.board
+-include $(ZEPHYR_BASE)/scripts/Makefile.toolchain.$(ZEPHYR_GCC_VARIANT)
+BOARD_NAME = $(BOARD)
+export BOARD_NAME
+endif
+debugserver: FORCE
+	$(Q)$(CONFIG_SHELL) $(ZEPHYR_BASE)/scripts/support/$(FLASH_SCRIPT) debugserver
+
+
 initconfig: $(DOTCONFIG)
 
 menuconfig: initconfig

scripts/support/openocd.sh

@@ -41,6 +41,15 @@ do_flash() {
     echo 'Done flashing'
 }
 
+do_debugserver() {
+    test_config
+    test_ports
+    # start OpenOCD as GDB server
+    sh -c "${OPENOCD_CMD} -f '${OPENOCD_CONFIG}' \
+            -c 'init' \
+            -c 'targets' \
+            -c 'reset halt'"
+}
 
 CMD="$1"
 shift
@@ -50,4 +59,7 @@ case "${CMD}" in
     echo "Flashing Target Device"
     do_flash "$@"
     ;;
+  debugserver)
+    do_debugserver "$@"
+    ;;
 esac