forked from forks/qmk_firmware
201 lines
7.2 KiB
Makefile
201 lines
7.2 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
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##############################################################################
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# Compiler settings
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#
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CC = $(CC_PREFIX) avr-gcc
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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SIZE = avr-size
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AR = avr-ar
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NM = avr-nm
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HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
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EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
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BIN =
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
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ifneq ($(findstring 12.,$(shell avr-gcc --version 2>/dev/null)),)
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COMPILEFLAGS += --param=min-pagesize=0
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endif
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COMPILEFLAGS += -funsigned-char
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COMPILEFLAGS += -funsigned-bitfields
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COMPILEFLAGS += -ffunction-sections
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COMPILEFLAGS += -fdata-sections
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COMPILEFLAGS += -fpack-struct
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COMPILEFLAGS += -fshort-enums
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COMPILEFLAGS += -mcall-prologues
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# Linker relaxation is only possible if
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# link time optimizations are not enabled.
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ifeq ($(strip $(LTO_ENABLE)), no)
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COMPILEFLAGS += -mrelax
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endif
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ASFLAGS += $(AVR_ASFLAGS)
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CFLAGS += $(COMPILEFLAGS) $(AVR_CFLAGS)
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CFLAGS += -fno-inline-small-functions
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CFLAGS += -fno-strict-aliasing
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CXXFLAGS += $(COMPILEFLAGS)
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CXXFLAGS += -fno-exceptions $(CXXSTANDARD)
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LDFLAGS += -Wl,--gc-sections
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# Use AVR's libc minimal printf implementation which has less features
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# and thus can shave ~400 bytes. Usually we use the xprintf
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# implementation but keyboards that use s(n)printf automatically
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# pull in the AVR libc implementation, which is ~900 bytes heavy.
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AVR_USE_MINIMAL_PRINTF ?= no
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ifeq ($(strip $(AVR_USE_MINIMAL_PRINTF)), yes)
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LDFLAGS += -Wl,--whole-archive -lprintf_min -Wl,--no-whole-archive
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endif
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OPT_DEFS += -DF_CPU=$(F_CPU)UL
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MCUFLAGS = -mmcu=$(MCU)
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# List any extra directories to look for libraries here.
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# Each directory must be seperated by a space.
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# Use forward slashes for directory separators.
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# For a directory that has spaces, enclose it in quotes.
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EXTRALIBDIRS =
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#---------------- External Memory Options ----------------
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# 64 KB of external RAM, starting after internal RAM (ATmega128!),
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# used for variables (.data/.bss) and heap (malloc()).
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#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
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# 64 KB of external RAM, starting after internal RAM (ATmega128!),
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# only used for heap (malloc()).
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#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
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EXTMEMOPTS =
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#---------------- Debugging Options ----------------
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# Debugging format.
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# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
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# AVR Studio 4.10 requires dwarf-2.
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# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
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DEBUG = dwarf-2
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# For simulavr only - target MCU frequency.
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DEBUG_MFREQ = $(F_CPU)
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# Set the DEBUG_UI to either gdb or insight.
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# DEBUG_UI = gdb
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DEBUG_UI = insight
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# Set the debugging back-end to either avarice, simulavr.
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DEBUG_BACKEND = avarice
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#DEBUG_BACKEND = simulavr
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# GDB Init Filename.
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GDBINIT_FILE = __avr_gdbinit
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# When using avarice settings for the JTAG
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JTAG_DEV = /dev/com1
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# Debugging port used to communicate between GDB / avarice / simulavr.
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DEBUG_PORT = 4242
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# Debugging host used to communicate between GDB / avarice / simulavr, normally
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# just set to localhost unless doing some sort of crazy debugging when
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# avarice is running on a different computer.
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DEBUG_HOST = localhost
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#============================================================================
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# Convert hex to bin.
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bin: $(BUILD_DIR)/$(TARGET).hex
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ifeq ($(BOOTLOADER),lufa-ms)
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$(eval BIN_PADDING=$(shell n=`expr 32768 - $(BOOTLOADER_SIZE)` && echo $$(($$n)) || echo 0))
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$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin --pad-to $(BIN_PADDING)
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else
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$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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endif
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$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
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# copy bin to FLASH.bin
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flashbin: bin
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$(COPY) $(BUILD_DIR)/$(TARGET).bin FLASH.bin;
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# Generate avr-gdb config/init file which does the following:
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# define the reset signal, load the target file, connect to target, and set
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# a breakpoint at main().
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gdb-config:
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@$(REMOVE) $(GDBINIT_FILE)
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@echo define reset >> $(GDBINIT_FILE)
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@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
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@echo end >> $(GDBINIT_FILE)
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@echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
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@echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
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ifeq ($(DEBUG_BACKEND),simulavr)
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@echo load >> $(GDBINIT_FILE)
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endif
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@echo break main >> $(GDBINIT_FILE)
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debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
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ifeq ($(DEBUG_BACKEND), avarice)
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@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
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@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
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$(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
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@$(WINSHELL) /c pause
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else
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@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
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$(DEBUG_MFREQ) --port $(DEBUG_PORT)
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endif
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@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
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# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
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COFFCONVERT = $(OBJCOPY) --debugging
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COFFCONVERT += --change-section-address .data-0x800000
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COFFCONVERT += --change-section-address .bss-0x800000
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COFFCONVERT += --change-section-address .noinit-0x800000
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COFFCONVERT += --change-section-address .eeprom-0x810000
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coff: $(BUILD_DIR)/$(TARGET).elf
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@$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
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$(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
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extcoff: $(BUILD_DIR)/$(TARGET).elf
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@$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
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$(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof
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ifeq ($(strip $(BOOTLOADER)), qmk-dfu)
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QMK_BOOTLOADER_TYPE = DFU
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else ifeq ($(strip $(BOOTLOADER)), qmk-hid)
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QMK_BOOTLOADER_TYPE = HID
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endif
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bootloader:
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ifeq ($(strip $(QMK_BOOTLOADER_TYPE)),)
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$(call CATASTROPHIC_ERROR,Invalid BOOTLOADER,Please set BOOTLOADER to "qmk-dfu" or "qmk-hid" first!)
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else
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make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ clean
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$(QMK_BIN) generate-dfu-header --quiet --keyboard $(KEYBOARD) --output lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Keyboard.h
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$(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) -D__ASSEMBLER__ $(CFLAGS) $(OPT_DEFS) platforms/avr/bootloader_size.c 2> /dev/null | sed -ne 's/\r//;/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
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$(eval PROGRAM_SIZE_KB=$(shell n=`expr $(MAX_SIZE) / 1024` && echo $$(($$n)) || echo 0))
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$(eval BOOT_SECTION_SIZE_KB=$(shell n=`expr $(BOOTLOADER_SIZE) / 1024` && echo $$(($$n)) || echo 0))
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$(eval FLASH_SIZE_KB=$(shell n=`expr $(PROGRAM_SIZE_KB) + $(BOOT_SECTION_SIZE_KB)` && echo $$(($$n)) || echo 0))
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make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ MCU=$(MCU) ARCH=$(ARCH) F_CPU=$(F_CPU) FLASH_SIZE_KB=$(FLASH_SIZE_KB) BOOT_SECTION_SIZE_KB=$(BOOT_SECTION_SIZE_KB)
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printf "Bootloader$(QMK_BOOTLOADER_TYPE).hex copied to $(TARGET)_bootloader.hex\n"
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cp lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Bootloader$(QMK_BOOTLOADER_TYPE).hex $(TARGET)_bootloader.hex
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endif
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production: $(BUILD_DIR)/$(TARGET).hex bootloader cpfirmware
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@cat $(BUILD_DIR)/$(TARGET).hex | awk '/^:00000001FF/ == 0' > $(TARGET)_production.hex
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@cat $(TARGET)_bootloader.hex >> $(TARGET)_production.hex
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echo "File sizes:"
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$(SIZE) $(TARGET).hex $(TARGET)_bootloader.hex $(TARGET)_production.hex
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