onur
1dbd1b5151
Keep the current GPS software and Genesys2/VCU118 flows while integrating Ti375C529 Efinity, flash, programming, and debug support. Add board-specific SPI NOR profiles and persistent GPS flash layouts across all three boards.
75 lines
2.6 KiB
Makefile
75 lines
2.6 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 := bootloader
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BSP_DIR := ../bsp
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APP_FLASH_OFFSET ?= 0x06000000
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MARCH ?= rv64imafdc_zicsr_zifencei
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MABI ?= lp64d
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BSP_UART_CLOCK_HZ ?= 100000000
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BSP_UART_BAUDRATE ?= 460800
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BSP_CLINT_TIMEBASE_HZ ?= 1000000
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BSP_SPI_FLASH_PROFILE ?= 1
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BSP_DTIM_BASE ?= 0x80000000
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BSP_DTIM_SIZE ?= 0x00100000
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CONFIG_STAMP := $(BUILD_DIR)/build_config.txt
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# C uses BSP_DTIM_* for bounds checks; linker uses __dtim_* for RAM origin/length.
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CFLAGS := -march=$(MARCH) -mabi=$(MABI) -mcmodel=medany -Os -ffreestanding -fno-builtin -fno-common -Wall -Wextra -I$(BSP_DIR)/include -DAPP_FLASH_OFFSET=$(APP_FLASH_OFFSET)UL -DBSP_UART_CLOCK_HZ=$(BSP_UART_CLOCK_HZ)UL -DBSP_UART_BAUDRATE=$(BSP_UART_BAUDRATE)UL -DBSP_CLINT_TIMEBASE_HZ=$(BSP_CLINT_TIMEBASE_HZ)UL -DBSP_SPI_FLASH_PROFILE=$(BSP_SPI_FLASH_PROFILE) -DBSP_DTIM_BASE=$(BSP_DTIM_BASE)UL -DBSP_DTIM_SIZE=$(BSP_DTIM_SIZE)UL
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LDFLAGS := -T linker.ld -nostdlib -static -Wl,--gc-sections -Wl,--defsym=__dtim_base=$(BSP_DTIM_BASE) -Wl,--defsym=__dtim_size=$(BSP_DTIM_SIZE) -Wl,-Map,$(BUILD_DIR)/$(TARGET).map
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SRCS := start.S main.c
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BSP_SRCS := init.c uart.c spi_flash.c
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OBJS := $(addprefix $(BUILD_DIR)/,$(SRCS:=.o)) $(addprefix $(BUILD_DIR)/bsp_,$(BSP_SRCS:=.o))
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.PHONY: all clean FORCE
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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 $@
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$(CONFIG_STAMP): FORCE | $(BUILD_DIR)
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@tmp="$@.tmp"; \
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printf '%s\n' \
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'APP_FLASH_OFFSET=$(APP_FLASH_OFFSET)' \
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'MARCH=$(MARCH)' \
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'MABI=$(MABI)' \
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'BSP_UART_CLOCK_HZ=$(BSP_UART_CLOCK_HZ)' \
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'BSP_UART_BAUDRATE=$(BSP_UART_BAUDRATE)' \
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'BSP_CLINT_TIMEBASE_HZ=$(BSP_CLINT_TIMEBASE_HZ)' \
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'BSP_SPI_FLASH_PROFILE=$(BSP_SPI_FLASH_PROFILE)' \
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'BSP_DTIM_BASE=$(BSP_DTIM_BASE)' \
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'BSP_DTIM_SIZE=$(BSP_DTIM_SIZE)' > "$$tmp"; \
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if ! cmp -s "$$tmp" "$@"; then mv "$$tmp" "$@"; else rm "$$tmp"; fi
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FORCE:
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$(BUILD_DIR)/%.S.o: %.S $(CONFIG_STAMP) | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/%.c.o: %.c $(CONFIG_STAMP) | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/bsp_%.c.o: $(BSP_DIR)/drivers/%.c $(CONFIG_STAMP) | $(BUILD_DIR)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD_DIR)/$(TARGET).elf: $(OBJS) linker.ld $(CONFIG_STAMP)
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$(CC) $(CFLAGS) $(OBJS) $(LDFLAGS) -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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