59 lines
1.9 KiB
Makefile
59 lines
1.9 KiB
Makefile
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RISCV_TOOLS_PATH := /opt/riscv/bin
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RISCV_TOOLS_PREFIX := riscv32-unknown-elf-
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RISCV_GCC := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gcc)
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RISCV_AS := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)as)
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RISCV_GXX := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)g++)
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RISCV_OBJDUMP := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objdump)
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RISCV_GDB := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)gdb)
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RISCV_AR := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)ar)
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RISCV_OBJCOPY := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)objcopy)
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RISCV_READELF := $(abspath $(RISCV_TOOLS_PATH)/$(RISCV_TOOLS_PREFIX)readelf)
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BIN_TO_MEM := $(BSP_DIR)/../../tools/BinToMem.py
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.PHONY: all
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all: $(TARGET)
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ASM_SRCS += $(BSP_DIR)/start.S
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ASM_SRCS += $(BSP_DIR)/trap_entry.S
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C_SRCS += $(BSP_DIR)/init.c
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C_SRCS += $(BSP_DIR)/trap_handler.c
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C_SRCS += $(BSP_DIR)/lib/utils.c
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C_SRCS += $(BSP_DIR)/lib/xprintf.c
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C_SRCS += $(BSP_DIR)/lib/uart.c
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LINKER_SCRIPT := $(BSP_DIR)/link.lds
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INCLUDES += -I$(BSP_DIR)
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LDFLAGS += -T $(LINKER_SCRIPT) -nostartfiles -Wl,--gc-sections -Wl,--check-sections
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ASM_OBJS := $(ASM_SRCS:.S=.o)
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C_OBJS := $(C_SRCS:.c=.o)
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LINK_OBJS += $(ASM_OBJS) $(C_OBJS)
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LINK_DEPS += $(LINKER_SCRIPT)
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CLEAN_OBJS += $(TARGET) $(LINK_OBJS) $(TARGET).dump $(TARGET).bin $(TARGET).hex $(TARGET).mem
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CFLAGS += -march=$(RISCV_ARCH)
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CFLAGS += -mabi=$(RISCV_ABI)
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CFLAGS += -mcmodel=$(RISCV_MCMODEL) -ffunction-sections -fdata-sections -fno-builtin-printf -fno-builtin-malloc
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$(TARGET): $(LINK_OBJS) $(LINK_DEPS) Makefile
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$(RISCV_GCC) $(CFLAGS) $(INCLUDES) $(LINK_OBJS) -o $@ $(LDFLAGS)
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$(RISCV_OBJCOPY) -O binary $@ $@.bin
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$(RISCV_OBJDUMP) --disassemble-all $@ > $@.dump
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$(BIN_TO_MEM) $@.bin $@.mem
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$(ASM_OBJS): %.o: %.S
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$(RISCV_GCC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
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$(C_OBJS): %.o: %.c
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$(RISCV_GCC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
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.PHONY: clean
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clean:
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rm -f $(CLEAN_OBJS)
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