9430fea2c5
Commit e18501d0 broke the build for targets that added objects to
klipper.elf via adding dependencies. Rework the build so that it is
possible to add objects to klipper.elf via a new OBJS_klipper.elf
makefile variable.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
54 lines
1.8 KiB
Makefile
54 lines
1.8 KiB
Makefile
# lpc176x build rules
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# Setup the toolchain
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CROSS_PREFIX=arm-none-eabi-
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dirs-y += src/lpc176x src/generic
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dirs-y += lib/lpc176x/device/TOOLCHAIN_GCC_ARM
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CFLAGS += -mthumb -mcpu=cortex-m3
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CFLAGS += -Ilib/lpc176x/device -Ilib/cmsis-core
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# Add source files
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src-y += lpc176x/main.c lpc176x/gpio.c
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src-$(CONFIG_HAVE_GPIO_ADC) += lpc176x/adc.c
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src-$(CONFIG_HAVE_GPIO_I2C) += lpc176x/i2c.c
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src-$(CONFIG_HAVE_GPIO_SPI) += lpc176x/spi.c
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src-y += generic/crc16_ccitt.c generic/alloc.c
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src-y += generic/armcm_irq.c generic/armcm_timer.c
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src-y += ../lib/lpc176x/device/system_LPC17xx.c
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src-$(CONFIG_USBSERIAL) += lpc176x/usbserial.c generic/usb_cdc.c
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src-$(CONFIG_SERIAL) += lpc176x/serial.c generic/serial_irq.c
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# Add assembler build rules
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$(OUT)%.o: %.S
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@echo " Assembling $@"
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$(Q)$(AS) $< -o $@
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asmsrc-y := ../lib/lpc176x/device/TOOLCHAIN_GCC_ARM/startup_LPC17xx.S
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OBJS_klipper.elf += $(patsubst %.S, $(OUT)src/%.o,$(asmsrc-y))
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# Build the linker script
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$(OUT)LPC1768.ld: lib/lpc176x/device/TOOLCHAIN_GCC_ARM/LPC1768.ld $(OUT)board-link
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@echo " Preprocessing $@"
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$(Q)$(CPP) -P -MD -MT $@ -DMBED_APP_START=$(CONFIG_FLASH_START) -DMBED_APP_SIZE="(512K - $(CONFIG_FLASH_START))" $< -o $@
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CFLAGS_klipper.elf += -T $(OUT)LPC1768.ld
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CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs
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$(OUT)klipper.elf : $(OUT)LPC1768.ld
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# Build the additional bin output file
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target-y += $(OUT)klipper.bin
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$(OUT)klipper.bin: $(OUT)klipper.elf
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@echo " Creating bin file $@"
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$(Q)$(OBJCOPY) -O binary $< $@
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flash: $(OUT)klipper.bin
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@echo ""
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@echo " The LPC176x build does not currently support 'make flash'"
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@echo ""
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@echo " To flash a Smoothieboard, copy the $(OUT)klipper.bin to a file"
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@echo " named firmware.bin on an SD card and then restart the"
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@echo " Smoothieboard with that SD card."
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