Makefile

PROJECT := HARTLink

TOOLCHAIN ?= C:/MounRiver/MounRiver_Studio2/resources/app/resources/win32/components/WCH/Toolchain/RISC-V Embedded GCC/bin
PREFIX ?= riscv-none-embed-

CC := "$(TOOLCHAIN)/$(PREFIX)gcc"
OBJCOPY := "$(TOOLCHAIN)/$(PREFIX)objcopy"
SIZE := "$(TOOLCHAIN)/$(PREFIX)size"

BUILD := obj
APP_BUILD := $(BUILD)/app
BOOT_BUILD := $(BUILD)/boot
APP_OFFSET := 0x5000

INCLUDES := \
	-IUser \
	-IUser/App \
	-IUser/Bsp \
	-IUser/Drv \
	-IUser/Sys \
	-IDebug \
	-IPeripheral/inc \
	-ICore

DEFS := -DCH32L103 -DDEBUG=0 -DAOMASTER_LOG_ENABLE=0
ARCH := -march=rv32imacxw -mabi=ilp32 -msmall-data-limit=8 -msave-restore
COMMON := $(ARCH) -Os -ffunction-sections -fdata-sections -fno-common -fsigned-char -fmessage-length=0
CFLAGS := $(COMMON) $(DEFS) $(INCLUDES) -std=gnu99 -Wall -Wextra
BOOT_CFLAGS := $(CFLAGS) -DHARTLINK_BOOTLOADER=1
ASFLAGS := $(COMMON) $(DEFS) $(INCLUDES) -x assembler-with-cpp
APP_LDFLAGS := $(ARCH) -T Ld/Link.ld -nostartfiles -Wl,--gc-sections -Wl,-Map,$(BUILD)/$(PROJECT).map --specs=nano.specs --specs=nosys.specs
BOOT_LDFLAGS := $(ARCH) -T Ld/bootloader.ld -nostartfiles -Wl,--gc-sections -Wl,-Map,$(BUILD)/$(PROJECT)_boot.map --specs=nano.specs --specs=nosys.specs

APP_C_SOURCES := \
	$(wildcard Core/*.c) \
	$(wildcard Debug/*.c) \
	$(wildcard Peripheral/src/*.c) \
	$(wildcard User/*.c) \
	$(wildcard User/App/*.c) \
	$(wildcard User/Bsp/*.c) \
	$(wildcard User/Drv/ssd1306.c) \
	$(wildcard User/Sys/*.c)

APP_ASM_SOURCES := Startup/startup_ch32l103.S

BOOT_C_SOURCES := \
	Bootloader/bootloader.c \
	Debug/debug.c \
	User/system_ch32l103.c \
	$(wildcard Peripheral/src/*.c)

BOOT_ASM_SOURCES := Startup/startup_ch32l103.S

APP_OBJECTS := $(patsubst %.c,$(APP_BUILD)/%.o,$(APP_C_SOURCES)) \
	$(patsubst %.S,$(APP_BUILD)/%.o,$(APP_ASM_SOURCES))

BOOT_OBJECTS := $(patsubst %.c,$(BOOT_BUILD)/%.o,$(BOOT_C_SOURCES)) \
	$(patsubst %.S,$(BOOT_BUILD)/%.o,$(BOOT_ASM_SOURCES))

.PHONY: all app boot clean $(BUILD)/$(PROJECT).hex

all: app boot $(BUILD)/$(PROJECT).hex

app: $(BUILD)/$(PROJECT).elf $(BUILD)/$(PROJECT)_app.hex
	$(SIZE) $(BUILD)/$(PROJECT).elf

boot: $(BUILD)/$(PROJECT)_boot.elf $(BUILD)/$(PROJECT)_boot.hex
	$(SIZE) $(BUILD)/$(PROJECT)_boot.elf

$(BUILD)/$(PROJECT)_app.hex: $(BUILD)/$(PROJECT).elf
	$(OBJCOPY) -O ihex $< $@

$(BUILD)/$(PROJECT).bin: $(BUILD)/$(PROJECT).elf
	$(OBJCOPY) -O binary $< $@

$(BUILD)/$(PROJECT).elf: $(APP_OBJECTS)
	$(CC) $(APP_OBJECTS) $(APP_LDFLAGS) -o $@

$(BUILD)/$(PROJECT)_boot.hex: $(BUILD)/$(PROJECT)_boot.elf
	$(OBJCOPY) -O ihex $< $@

$(BUILD)/$(PROJECT)_boot.bin: $(BUILD)/$(PROJECT)_boot.elf
	$(OBJCOPY) -O binary $< $@

$(BUILD)/$(PROJECT)_boot.elf: $(BOOT_OBJECTS)
	$(CC) $(BOOT_OBJECTS) $(BOOT_LDFLAGS) -o $@

$(BUILD)/$(PROJECT)_combined.bin: $(BUILD)/$(PROJECT)_boot.bin $(BUILD)/$(PROJECT).bin tools/merge_bins.ps1
	powershell -NoProfile -ExecutionPolicy Bypass -File tools/merge_bins.ps1 $(BUILD)/$(PROJECT)_boot.bin $(BUILD)/$(PROJECT).bin $@ $(APP_OFFSET)

$(BUILD)/$(PROJECT)_combined.hex: $(BUILD)/$(PROJECT)_combined.bin
	$(OBJCOPY) -I binary -O ihex --change-addresses 0x00000000 $< $@

$(BUILD)/$(PROJECT).hex: $(BUILD)/$(PROJECT)_combined.hex
	powershell -NoProfile -ExecutionPolicy Bypass -Command "Copy-Item -LiteralPath '$(BUILD)/$(PROJECT)_combined.hex' -Destination '$@' -Force"

$(APP_BUILD)/%.o: %.c
	@if not exist "$(dir $@)" mkdir "$(dir $@)"
	$(CC) $(CFLAGS) -c $< -o $@

$(APP_BUILD)/%.o: %.S
	@if not exist "$(dir $@)" mkdir "$(dir $@)"
	$(CC) $(ASFLAGS) -c $< -o $@

$(BOOT_BUILD)/%.o: %.c
	@if not exist "$(dir $@)" mkdir "$(dir $@)"
	$(CC) $(BOOT_CFLAGS) -c $< -o $@

$(BOOT_BUILD)/%.o: %.S
	@if not exist "$(dir $@)" mkdir "$(dir $@)"
	$(CC) $(ASFLAGS) -c $< -o $@

clean:
	@if exist "$(BUILD)" rmdir /s /q "$(BUILD)"