RISCV_ARCH := rv32im
RISCV_ABI := ilp32

RISCV_PATH := ../../../tools/gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win64/

CFLAGS += -march=$(RISCV_ARCH)
CFLAGS += -mabi=$(RISCV_ABI)
CFLAGS += -static -mcmodel=medany -fvisibility=hidden -nostdlib -nostartfiles

RISCV_GCC     := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-gcc)
RISCV_AS      := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-as)
RISCV_GXX     := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-g++)
RISCV_OBJDUMP := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-objdump)
RISCV_GDB     := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-gdb)
RISCV_AR      := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-ar)
RISCV_OBJCOPY := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-objcopy)
RISCV_READELF := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-readelf)


.PHONY: all
all:
	$(RISCV_GCC) $(CFLAGS) start.S main.c -Tlink.ld -o gpio
	$(RISCV_OBJCOPY) -O binary gpio gpio.bin
	$(RISCV_OBJDUMP) --disassemble-all gpio > gpio.dump