ifndef MODEL

MODEL=n0110

ifndef SLOT

SLOT=B

HOST_CC=gcc

HOST_LD=gcc

HOST_GDB=gdb

HOST_OBJCOPY=objcopy

COMMON_CFLAGS=-std=gnu99

CFLAGS=$(COMMON_CFLAGS)

ifndef SIMULATOR

include models/$(MODEL)/Makefile

CC=arm-none-eabi-gcc

LD=arm-none-eabi-gcc

GDB=arm-none-eabi-gdb

OBJCOPY=arm-none-eabi-objcopy

CFLAGS+=-Ofast -fdata-sections -ffunction-sections -ggdb3

LDLIBS+=

LDFLAGS+=$(CFLAGS)

LDFLAGS+=-Wl,--gc-sections

else

CC=$(HOST_CC)

LD=$(HOST_LD)

GDB=$(HOST_GDB)

OBJCOPY=$(HOST_OBJCOPY)

CFLAGS+=-DSIMULATOR

LDLIBS+=-lSDL2 -lSDL2_image

LDFLAGS=$(CFLAGS)

LDFLAGS+=-Wl,--gc-sections

include drivers/Makefile

include kernel/Makefile

ifndef SIMULATOR

.PHONY: write_flash

write_flash: boot.bin

@echo "Please plug your calculator inside of your computer."

@echo "Immediately after being plugged, the software will be flashed."

@echo "Do not use the RESET+6 key combination for this flash."

ifeq ($(SLOT), B)

@dfu-util -w -d 0483:a291 -a 0 -D boot.bin -s 0x90410000:leave > /dev/null 2>&1

@dfu-util -w -d 0483:a291 -a 0 -D boot.bin -s 0x90010000:leave > /dev/null 2>&1

@echo "The device has been flashed."

.PHONY: boot_only

boot_only:

@echo "Please plug your calculator inside of your computer."

@echo "Immediately after being plugged, calculator will reboot."

@echo "The software must have already been flashed to use this command."

@echo "Do not use the RESET+6 key combination for this flash."

ifeq ($(SLOT), B)

@dfu-util -w -d 0483:a291 -a 0 -s 0x90410000:leave > /dev/null 2>&1

@dfu-util -w -d 0483:a291 -a 0 -s 0x90010000:leave > /dev/null 2>&1

@echo "The device has been reboot."

else

.PHONY: run

run: boot.elf

@echo "Now running the simulator."

@./boot.elf

.PHONY: help

help:

@echo "Usage"

@echo " make SIMULATOR=1"

@echo " make SLOT=B MODEL=n0110"

@echo " make boot_only"

@echo ""

@echo "Targets"

@echo " write_flash Waits for the device to be connected and flashes it."

@echo " boot_only Only boots the device without flashing. Useful if you want to preserve the Flash memory."

@echo " run Only valid with SIMULATOR=1, starts the simulator."

@echo ""

@echo "Options"

@echo " SIMULATOR=1 Builds the simulator instead of a bootable image"

@echo " MODEL=n0110|n0115|n0120 Chooses the output model"

@echo " SLOT=A|B Chooses the target slot"

include font/Makefile

boot.hex: boot.elf

@echo "OBJCOPY $@"

@$(OBJCOPY) -O ihex boot.elf boot.hex

boot.bin: boot.elf

@echo "OBJCOPY $@"

@$(OBJCOPY) -O binary boot.elf boot.bin

boot.elf: $(objs)

@echo "LD $@"

@$(LD) $(LDFLAGS) $(objs) -o $@ $(LDLIBS)

%.o: %.c

@echo "CC $@"

@$(CC) $(CFLAGS) -c $< -o $@

clean:

@echo "CLEAN"

@find -name *.o | xargs rm -f

@rm -f boot.bin

@rm -f boot.hex

@rm -f boot.elf

@rm -f font/ttf2c

@rm -f kernel/src/sysfont.c