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ea5f825a91
Default to O2 and set Os in the AVR makefile. Platforms besides AVR are likely to produce better code with O2 so make that the default. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
23 lines
645 B
Makefile
23 lines
645 B
Makefile
# Additional avr build rules
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# Use the avr toolchain
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CROSS_PREFIX=avr-
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dirs-y += src/avr lib/pjrc_usb_serial
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CFLAGS-y += -Os -mmcu=$(CONFIG_MCU) -DF_CPU=$(CONFIG_CLOCK_FREQ)
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LDFLAGS-y += -Wl,--relax
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# Add avr source files
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src-y += avr/main.c avr/timer.c avr/gpio.c avr/misc.c
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src-$(CONFIG_AVR_WATCHDOG) += avr/watchdog.c
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src-$(CONFIG_AVR_USBSERIAL) += avr/usbserial.c ../lib/pjrc_usb_serial/usb_serial.c
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src-$(CONFIG_AVR_SERIAL) += avr/serial.c
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# Build the additional hex output file
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target-y += $(OUT)klipper.elf.hex
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$(OUT)klipper.elf.hex: $(OUT)klipper.elf
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@echo " Creating hex file $@"
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$(Q)$(OBJCOPY) -j .text -j .data -O ihex $< $@
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