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 clean

all: phb.hex

phb.o: phb.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 phb.o phb.c

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

dump: phb.elf
	riscv32-none-elf-objdump -d phb.elf

phb.hex: phb.elf
	riscv32-none-elf-objcopy -O ihex phb.elf phb.hex

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

clean:
	rm -f phb.hex phb.elf phb.o init.o