NAME = play_rv32_with_qemu_template

# ==== Toolchain Configure ====
PREFIX = W:/WCH/MounRiverStudio/toolchain/RISC-V Embedded GCC/bin
CC = "$(PREFIX)/riscv-none-embed-gcc.exe"
AS = "$(PREFIX)/riscv-none-embed-as.exe"
LD = "$(PREFIX)/riscv-none-embed-ld.exe"
OBJCOPY = "$(PREFIX)/riscv-none-embed-objcopy.exe"
SIZE = "$(PREFIX)/riscv-none-embed-size.exe"
QEMU_RV32 = "W:/QEMU/qemu-20210825/qemu-system-riscv32.exe"
RM_CMD = ./tools/rm4win.exe -rf

# ==== Path Configure ====
SRC_DIR = ./src
ASM_DIR = ./asm
INC_DIR = ./inc
OUT_DIR = ./out
LINKER_SCRIPT = ./linker-script.ld
STARTUP_SRC = ./startup.s

# ==== Other Arguments ====
CC_ARGS = -O0
AS_ARGS =
LD_ARGS =
OBJCOPY_ARGS =
SIZE_ARGS = --format=berkeley
QEMU_ARGS = -nographic -bios none
QEMU_MACHINE = virt

# ===========================
STARTUP_OBJ = $(patsubst %.s,$(OUT_DIR)/%.o,$(STARTUP_SRC))
C_SRC = $(wildcard $(SRC_DIR)/*.c)
C_OBJ = $(patsubst $(SRC_DIR)/%.c,$(OUT_DIR)/%.o,$(C_SRC))
AS_SRC = $(wildcard $(ASM_DIR)/*.s)
AS_OBJ = $(patsubst $(ASM_DIR)/%.s,$(OUT_DIR)/%.o,$(AS_SRC))


.PHONY : all
.PHONY : bin
.PHONY : hex
.PHONY : clean
.PHONY : qemu
.PHONY : size
.IGNORE : qemu

all : bin hex size

bin : $(NAME).bin

hex : $(NAME).hex

$(NAME).hex : $(NAME).elf
	$(OBJCOPY) $(OBJCOPY_ARGS) -O ihex $< $@

$(NAME).bin : $(NAME).elf
	$(OBJCOPY) $(OBJCOPY_ARGS) -O binary $< $@

size : $(NAME).elf
	$(SIZE) $(SIZE_ARGS) $<

$(NAME).elf : $(LINKER_SCRIPT) $(STARTUP_OBJ) $(C_OBJ) $(AS_OBJ)
	$(LD) -T $(LINKER_SCRIPT) $(LD_ARGS) -o $@ $(STARTUP_OBJ) $(C_OBJ) $(AS_OBJ)

$(STARTUP_OBJ) : $(STARTUP_SRC)
	$(AS) $(AS_ARGS) -o $@ $<

$(OUT_DIR)/%.o : $(ASM_DIR)/%.s
	$(AS) $(AS_ARGS) -o $@ $^

$(OUT_DIR)/%.o : $(SRC_DIR)/%.c
	$(CC) $(CC_ARGS) -I $(INC_DIR) -o $@ $<

clean :
	-$(RM_CMD) ./$(NAME).bin
	-$(RM_CMD) ./$(NAME).hex
	-$(RM_CMD) ./$(NAME).elf
	-$(RM_CMD) ./$(OUT_DIR)/*

qemu : $(NAME).bin
	$(QEMU_RV32) -machine $(QEMU_MACHINE) $(QEMU_ARGS) -kernel $<