CC ?= clang
CFLAGS_MARCH ?= -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt
CFLAGS_OPT ?= -O3
CFLAGS ?= ${CFLAGS_MARCH} ${CFLAGS_OPT}

ifeq (${CC}, clang)
	CC := ${CC} -target riscv32-none-elf
endif

.PHONY: all dump load-uk load-de clean

all: rrxing-de.hex rrxing-uk.hex rrxing-us.hex

rrxing-de.o: rrxing.c
	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -DRRXING_DE -o rrxing-de.o rrxing.c

rrxing-de.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o rrxing-de.o
	clang -target riscv32-none-elf -T rvcontroller.ld -nostdlib -nostartfiles -Xlinker --no-warn-rwx-segments -o rrxing-de.elf ../rvcontroller-libraries/rvcontroller-init.o rrxing-de.o ../rvcontroller-libraries/rvcontroller-ecalls.o

dump-de: rrxing-de.elf
	riscv32-none-elf-objdump -d rrxing-de.elf

rrxing-de.hex: rrxing-de.elf
	riscv32-none-elf-objcopy -O ihex rrxing-de.elf rrxing-de.hex

load-de: rrxing-de.hex
	bash -c "wl-copy < rrxing-de.hex"

rrxing-uk.o: rrxing.c
	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -DRRXING_UK -o rrxing-uk.o rrxing.c

rrxing-uk.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o rrxing-uk.o
	clang -target riscv32-none-elf -T rvcontroller.ld -nostdlib -nostartfiles -Xlinker --no-warn-rwx-segments -o rrxing-uk.elf ../rvcontroller-libraries/rvcontroller-init.o rrxing-uk.o ../rvcontroller-libraries/rvcontroller-ecalls.o

dump-uk: rrxing-uk.elf
	riscv32-none-elf-objdump -d rrxing-uk.elf

rrxing-uk.hex: rrxing-uk.elf
	riscv32-none-elf-objcopy -O ihex rrxing-uk.elf rrxing-uk.hex

load-uk: rrxing-uk.hex
	bash -c "wl-copy < rrxing-uk.hex"

rrxing-us.o: rrxing.c
	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -DRRXING_US -o rrxing-us.o rrxing.c

rrxing-us.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o rrxing-us.o
	clang -target riscv32-none-elf -T rvcontroller.ld -nostdlib -nostartfiles -Xlinker --no-warn-rwx-segments -o rrxing-us.elf ../rvcontroller-libraries/rvcontroller-init.o rrxing-us.o ../rvcontroller-libraries/rvcontroller-ecalls.o

dump-us: rrxing-us.elf
	riscv32-none-elf-objdump -d rrxing-us.elf

rrxing-us.hex: rrxing-us.elf
	riscv32-none-elf-objcopy -O ihex rrxing-us.elf rrxing-us.hex

load-us: rrxing-us.hex
	bash -c "wl-copy < rrxing-us.hex"

clean:
	rm -f rrxing-de.hex rrxing-de.elf rrxing-de.o rrxing-uk.hex rrxing-uk.elf rrxing-uk.o rrxing-us.hex rrxing-us.elf rrxing-us.o init.o