FIRMWARE_ADDRESS = 0x10001500
WORK_AREA_START = 0x10005000
BUFFER_ADDRESS = 0x10008000
BUFFER_SIZE = 204800
FLASH_SECTOR_SIZE = 4096
RAM_SIZE = 15104

CC = arm-none-eabi-gcc
OBJCOPY = arm-none-eabi-objcopy

LD_FILE = rtl8710.ld

CFLAGS = -Wall -g -Os \
         -mcpu=cortex-m4 -mthumb -mfloat-abi=soft \
         -ffunction-sections -fdata-sections -flto \
         -mlittle-endian -mlong-calls -mthumb-interwork \
         -ffreestanding -fsingle-precision-constant \
         -Wstrict-aliasing=0 -nostartfiles \
         -Wl,-T,$(LD_FILE) -u main \
         -Wl,--gc-sections \
		 -Wl,--defsym=_RAM_ORIGIN=$(FIRMWARE_ADDRESS) \
		 -Wl,--defsym=_RAM_SIZE=$(RAM_SIZE) \
		 -DBUFFER_ADDRESS=$(BUFFER_ADDRESS) \
		 -Wl,--defsym=_WORK_AREA_START=$(WORK_AREA_START)

SRC = rtl8710_flasher.c
TARGET = rtl8710_flasher

INTERFACE = stlink

OPENOCD_BASE=openocd -f interface/$(INTERFACE).cfg -f script/rtl8710.ocd -c "init" -c "reset" -c "halt"

# generate OpenOCD script with embedded flasher bin
script/rtl8710.ocd: $(TARGET).bin rtl8710_cpu.tcl rtl8710_flasher.tcl
	cat rtl8710_cpu.tcl > $@
	FIRMWARE_ADDRESS=$(FIRMWARE_ADDRESS) \
	BUFFER_ADDRESS=$(BUFFER_ADDRESS) \
	BUFFER_SIZE=$(BUFFER_SIZE) \
	FLASH_SECTOR_SIZE=$(FLASH_SECTOR_SIZE) \
	./generate_ocd.sh $< >> $@
	cat rtl8710_flasher.tcl >> $@

$(TARGET).bin: $(TARGET).elf
	$(OBJCOPY) -O binary $< $@

$(TARGET).elf: $(SRC)
	$(CC) $(CFLAGS) $^ -o $@

clean:
	rm -f $(TARGET).elf $(TARGET).bin script/rtl8710.ocd

test:
	$(OPENOCD_BASE) -c "rtl8710_flash_read_id" -c "shutdown"

mac:
	$(OPENOCD_BASE) -c "rtl8710_flash_read_mac" -c "shutdown"

dump:
	$(OPENOCD_BASE) -c "rtl8710_flash_read_id" -c "rtl8710_flash_read dump.bin 0 1048576" -c "shutdown"

full_erase:
	$(OPENOCD_BASE) -c "rtl8710_flash_mass_erase" -c shutdown

restore:
	$(OPENOCD_BASE) -c "rtl8710_flash_auto_erase 1" -c "rtl8710_flash_auto_verify 1" -c "rtl8710_flash_write dump.bin 0" -c shutdown

restore_nae:
	$(OPENOCD_BASE) -c "rtl8710_flash_auto_erase 0" -c "rtl8710_flash_auto_verify 1" -c "rtl8710_flash_write dump.bin 0" -c shutdown

verify:
	$(OPENOCD_BASE) -c "rtl8710_flash_verify dump.bin 0" -c shutdown

reset:
	$(OPENOCD_BASE) -c "rtl8710_reboot" -c shutdown

.PHONY: clean