# Makefile for building the tock kernel for the nRF development kit

TOCK_ARCH=cortex-m4
TARGET=thumbv7em-none-eabi
PLATFORM=nrf52840_mdk_dfu

include ../../third_party/tock/boards/Makefile.common

TOCKLOADER=tockloader

# Where in the nrf52 flash to load the kernel with `tockloader`
KERNEL_ADDRESS=0x01000

# Upload programs over uart with tockloader
ifdef PORT
  TOCKLOADER_GENERAL_FLAGS += --port $(PORT)
endif

TOCKLOADER_JTAG_FLAGS = --jlink --arch $(TOCK_ARCH) --board $(PLATFORM) --page-size 4096 --jlink-device nrf52840_xxaa

# Upload the kernel over JTAG
.PHONY: flash
flash: target/$(TARGET)/release/$(PLATFORM).bin
	$(TOCKLOADER) $(TOCKLOADER_GENERAL_FLAGS) flash --address $(KERNEL_ADDRESS) $(TOCKLOADER_JTAG_FLAGS) $<

# Upload the kernel over serial/bootloader
.PHONY: program
program: target/$(TARGET)/release/$(PLATFORM).hex
	$(error Cannot program nRF52 Dongle over USB. Use \`make flash\` and JTAG)