tinyriscv/tools/flash_loader/Makefile

59 lines
1.8 KiB
Makefile

TARGET := flash_loader
BSP_DIR := ../../sdk/bsp
RISCV_TOOLS_PATH := /opt/riscv32/bin
RISCV_TOOLS_PREFIX := riscv32-unknown-elf-
RISCV_GCC := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gcc)
RISCV_AS := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)as)
RISCV_GXX := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)g++)
RISCV_OBJDUMP := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objdump)
RISCV_GDB := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gdb)
RISCV_AR := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)ar)
RISCV_OBJCOPY := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objcopy)
RISCV_READELF := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)readelf)
.PHONY: all
all: $(TARGET)
ASM_SRCS += start.S
C_SRCS += main.c
C_SRCS += $(BSP_DIR)/lib/flash_ctrl.c
LINKER_SCRIPT := link.ld
INCLUDES += -I$(BSP_DIR)/include
LDFLAGS += -Os -T $(LINKER_SCRIPT) -nostartfiles -Wl,--gc-sections -Wl,--check-sections
ASM_OBJS := $(ASM_SRCS:.S=.o)
C_OBJS := $(C_SRCS:.c=.o)
LINK_OBJS += $(ASM_OBJS) $(C_OBJS)
LINK_DEPS += $(LINKER_SCRIPT)
CLEAN_OBJS += $(TARGET) $(LINK_OBJS) $(TARGET).dump $(TARGET).bin $(TARGET).hex $(TARGET).mem tinyriscv.inc
CFLAGS += -march=rv32im
CFLAGS += -mabi=ilp32
CFLAGS += -mcmodel=medlow -ffunction-sections -fdata-sections -fno-builtin-printf -fno-builtin-malloc
$(TARGET): $(LINK_OBJS) $(LINK_DEPS) Makefile
$(RISCV_GCC) $(CFLAGS) $(INCLUDES) $(LINK_OBJS) -o $@ $(LDFLAGS)
$(RISCV_OBJCOPY) -O binary $@ $@.bin
$(RISCV_OBJDUMP) --disassemble-all $@ > $@.dump
./bin2char.sh < flash_loader.bin > tinyriscv.inc
$(ASM_OBJS): %.o: %.S
$(RISCV_GCC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
$(C_OBJS): %.o: %.c
$(RISCV_GCC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
.PHONY: clean
clean:
rm -f $(CLEAN_OBJS)