CC ?= clang
CFLAGS_MARCH ?= -march=rv32imacbzicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt
CFLAGS_OPT ?= -O3
CFLAGS ?= ${CFLAGS_MARCH} ${CFLAGS_OPT}

# Big-endian just for the sake of being weird

ifeq (${CC}, clang)
	CC := ${CC} -target riscv32be-none-elf
endif

.PHONY: all dump load clean

all: randomcolor.hex

randomcolor.o: randomcolor.c
	${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o randomcolor.o randomcolor.c


randomcolor.elf: ../rvcontroller-libraries/rvcontroller-init-be.o ../rvcontroller-libraries/rvcontroller-ecalls-be.o randomcolor.o
	${CC} -T rvcontroller.ld -nostdlib -nostartfiles -Xlinker --no-warn-rwx-segments -o randomcolor.elf ../rvcontroller-libraries/rvcontroller-init-be.o ../rvcontroller-libraries/rvcontroller-ecalls-be.o randomcolor.o

dump: randomcolor.elf
	riscv32be-none-elf-objdump -d randomcolor.elf

randomcolor.hex: randomcolor.elf
	riscv32be-none-elf-objcopy -O ihex randomcolor.elf randomcolor.hex

load: randomcolor.hex
	bash -c "wl-copy < randomcolor.hex"

clean:
	rm -f randomcolor.hex randomcolor.elf randomcolor.o