57 lines
1.7 KiB
Makefile
57 lines
1.7 KiB
Makefile
REPO_DIR ?= $(abspath ../../..)
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include $(REPO_DIR)/tools/project.mk
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CC := $(CROSS)gcc
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OBJCOPY := $(CROSS)objcopy
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OBJDUMP := $(CROSS)objdump
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SIZE := $(CROSS)size
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BUILD_DIR ?= build
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TARGET := bootrom_gps_mmio_double_read
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BSP_DIR := ../bsp
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MARCH ?= rv64imafdc_zicsr_zifencei
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MABI ?= lp64d
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BSP_DTIM_BASE ?= 0x80000000
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BSP_DTIM_SIZE ?= 0x00100000
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CFLAGS := -march=$(MARCH) -mabi=$(MABI) -mcmodel=medany -Os -ffreestanding -fno-builtin -fno-common -Wall -Wextra -I$(BSP_DIR)/include -DBSP_DTIM_BASE=$(BSP_DTIM_BASE)UL -DBSP_DTIM_SIZE=$(BSP_DTIM_SIZE)UL
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LDFLAGS := -T ../bootloader/linker.ld -nostdlib -static -Wl,--gc-sections -Wl,--defsym=__dtim_base=$(BSP_DTIM_BASE) -Wl,--defsym=__dtim_size=$(BSP_DTIM_SIZE) -Wl,-Map,$(BUILD_DIR)/$(TARGET).map
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OBJS := \
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$(BUILD_DIR)/bootloader_start.S.o \
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$(BUILD_DIR)/bsp_init.c.o \
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$(BUILD_DIR)/bsp_uart.c.o \
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$(BUILD_DIR)/main.c.o
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.PHONY: all clean
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all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).img $(BUILD_DIR)/$(TARGET).dump
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$(SIZE) $(BUILD_DIR)/$(TARGET).elf
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$(BUILD_DIR):
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mkdir -p $@
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$(BUILD_DIR)/bootloader_start.S.o: ../bootloader/start.S | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/bsp_init.c.o: $(BSP_DIR)/drivers/init.c | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/bsp_uart.c.o: $(BSP_DIR)/drivers/uart.c | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/main.c.o: main.c | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/$(TARGET).elf: $(OBJS) ../bootloader/linker.ld
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$(CC) $(CFLAGS) $(OBJS) $(LDFLAGS) -lgcc -o $@
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$(BUILD_DIR)/$(TARGET).img: $(BUILD_DIR)/$(TARGET).elf
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$(OBJCOPY) -O binary $< $@
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$(BUILD_DIR)/$(TARGET).dump: $(BUILD_DIR)/$(TARGET).elf
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$(OBJDUMP) -d -S $< > $@
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clean:
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rm -rf $(BUILD_DIR)
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