qmk_firmware

platform.mk (8848B)

# Hey Emacs, this is a -*- makefile -*-
##############################################################################
# Compiler settings
#
CC = $(CC_PREFIX) avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
AR = avr-ar
NM = avr-nm
HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
BIN =
COMPILEFLAGS += $(call cc-option,--param=min-pagesize=0)
# Fix ICE's: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116389
COMPILEFLAGS += $(call cc-option,-mlra)
COMPILEFLAGS += -funsigned-char
COMPILEFLAGS += -funsigned-bitfields
COMPILEFLAGS += -ffunction-sections
COMPILEFLAGS += -fdata-sections
COMPILEFLAGS += -fpack-struct
COMPILEFLAGS += -fshort-enums
COMPILEFLAGS += -mcall-prologues
COMPILEFLAGS += -fno-builtin-printf
# On older compilers, linker relaxation is only possible if link time optimizations are not enabled.
ifeq ($(strip $(LTO_ENABLE)), no)
	COMPILEFLAGS += -mrelax
else
	# Newer compilers may support both, so quickly check before adding `-mrelax`.
	COMPILEFLAGS += $(call cc-option,-mrelax,,-flto=auto)
endif
ASFLAGS += $(AVR_ASFLAGS)
CFLAGS += $(COMPILEFLAGS) $(AVR_CFLAGS)
CFLAGS += -fno-inline-small-functions
CFLAGS += -fno-strict-aliasing
CXXFLAGS += $(COMPILEFLAGS)
CXXFLAGS += -fno-exceptions $(CXXSTANDARD)
LDFLAGS += -Wl,--gc-sections
# Use AVR's libc minimal printf implementation which has less features
# and thus can shave ~400 bytes. Usually we use the xprintf
# implementation but keyboards that use s(n)printf automatically
# pull in the AVR libc implementation, which is ~900 bytes heavy.
AVR_USE_MINIMAL_PRINTF ?= no
ifeq ($(strip $(AVR_USE_MINIMAL_PRINTF)), yes)
	LDFLAGS += -Wl,--whole-archive -lprintf_min -Wl,--no-whole-archive
endif
OPT_DEFS += -DF_CPU=$(F_CPU)UL
MCUFLAGS = -mmcu=$(MCU)
# List any extra directories to look for libraries here.
#     Each directory must be seperated by a space.
#     Use forward slashes for directory separators.
#     For a directory that has spaces, enclose it in quotes.
EXTRALIBDIRS =
#---------------- External Memory Options ----------------
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
# used for variables (.data/.bss) and heap (malloc()).
#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
# only used for heap (malloc()).
#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
EXTMEMOPTS =
#---------------- Debugging Options ----------------
# Debugging format.
#     Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
#     AVR Studio 4.10 requires dwarf-2.
#     AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
DEBUG = dwarf-2
# For simulavr only - target MCU frequency.
DEBUG_MFREQ = $(F_CPU)
# Set the DEBUG_UI to either gdb or insight.
# DEBUG_UI = gdb
DEBUG_UI = insight
# Set the debugging back-end to either avarice, simulavr.
DEBUG_BACKEND = avarice
#DEBUG_BACKEND = simulavr
# GDB Init Filename.
GDBINIT_FILE = __avr_gdbinit
# When using avarice settings for the JTAG
JTAG_DEV = /dev/com1
# Debugging port used to communicate between GDB / avarice / simulavr.
DEBUG_PORT = 4242
# Debugging host used to communicate between GDB / avarice / simulavr, normally
#     just set to localhost unless doing some sort of crazy debugging when
#     avarice is running on a different computer.
DEBUG_HOST = localhost
#============================================================================
SIZE_MARGIN = 1024
check-size:
	$(eval MAX_SIZE=$(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:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
	$(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
	$(eval FREE_SIZE=$(shell expr $(MAX_SIZE) - $(CURRENT_SIZE)))
	$(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
	$(eval PERCENT_SIZE=$(shell expr $(CURRENT_SIZE) \* 100 / $(MAX_SIZE)))
	if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
		$(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
		if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then \
			$(REMOVE) $(TARGET).$(FIRMWARE_FORMAT); \
			$(REMOVE) $(BUILD_DIR)/$(TARGET).{hex,bin,uf2}; \
		    printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); \
		else \
		    if [ $(FREE_SIZE) -lt $(SIZE_MARGIN) ]; then \
			$(PRINT_WARNING_PLAIN); printf " * $(MSG_FILE_NEAR_LIMIT)"; \
		    else \
			$(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; \
		    fi ; \
		fi ; \
	fi
# Convert hex to bin.
bin: $(BUILD_DIR)/$(TARGET).hex
ifeq ($(BOOTLOADER),lufa-ms)
	$(eval BIN_PADDING=$(shell n=`expr 32768 - $(BOOTLOADER_SIZE)` && echo $$(($$n)) || echo 0))
	$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin --pad-to $(BIN_PADDING)
else
	$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
endif
	$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
# copy bin to FLASH.bin
flashbin: bin
	$(COPY) $(BUILD_DIR)/$(TARGET).bin FLASH.bin;
# Generate avr-gdb config/init file which does the following:
#     define the reset signal, load the target file, connect to target, and set
#     a breakpoint at main().
gdb-config:
	@$(REMOVE) $(GDBINIT_FILE)
	@echo define reset >> $(GDBINIT_FILE)
	@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
	@echo end >> $(GDBINIT_FILE)
	@echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
	@echo target remote $(DEBUG_HOST):$(DEBUG_PORT)  >> $(GDBINIT_FILE)
ifeq ($(DEBUG_BACKEND),simulavr)
	@echo load  >> $(GDBINIT_FILE)
endif
	@echo break main >> $(GDBINIT_FILE)
debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
ifeq ($(DEBUG_BACKEND), avarice)
	@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
	@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
	$(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
	@$(WINSHELL) /c pause
else
	@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
	$(DEBUG_MFREQ) --port $(DEBUG_PORT)
endif
	@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
COFFCONVERT = $(OBJCOPY) --debugging
COFFCONVERT += --change-section-address .data-0x800000
COFFCONVERT += --change-section-address .bss-0x800000
COFFCONVERT += --change-section-address .noinit-0x800000
COFFCONVERT += --change-section-address .eeprom-0x810000
coff: $(BUILD_DIR)/$(TARGET).elf
	@$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
	$(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
extcoff: $(BUILD_DIR)/$(TARGET).elf
	@$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
	$(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof
ifeq ($(strip $(BOOTLOADER)), qmk-dfu)
QMK_BOOTLOADER_TYPE = DFU
else ifeq ($(strip $(BOOTLOADER)), qmk-hid)
QMK_BOOTLOADER_TYPE = HID
endif
bootloader: cpfirmware
ifeq ($(strip $(QMK_BOOTLOADER_TYPE)),)
	$(call CATASTROPHIC_ERROR,Invalid BOOTLOADER,Please set BOOTLOADER to "qmk-dfu" or "qmk-hid" first!)
else
	make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ clean TARGET=Bootloader$(QMK_BOOTLOADER_TYPE)
	$(QMK_BIN) generate-dfu-header --quiet --keyboard $(KEYBOARD) --output lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Keyboard.h
	$(eval MAX_SIZE=$(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:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
	$(eval PROGRAM_SIZE_KB=$(shell n=`expr $(MAX_SIZE) / 1024` && echo $$(($$n)) || echo 0))
	$(eval BOOT_SECTION_SIZE_KB=$(shell n=`expr  $(BOOTLOADER_SIZE) / 1024` && echo $$(($$n)) || echo 0))
	$(eval FLASH_SIZE_KB=$(shell n=`expr $(PROGRAM_SIZE_KB) + $(BOOT_SECTION_SIZE_KB)` && echo $$(($$n)) || echo 0))
	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) TARGET=Bootloader$(QMK_BOOTLOADER_TYPE)
	printf "Bootloader$(QMK_BOOTLOADER_TYPE).hex copied to $(TARGET)_bootloader.hex\n"
	cp lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Bootloader$(QMK_BOOTLOADER_TYPE).hex $(TARGET)_bootloader.hex
endif
production: $(BUILD_DIR)/$(TARGET).hex bootloader cpfirmware
	@cat $(BUILD_DIR)/$(TARGET).hex | awk '/^:00000001FF/ == 0' > $(TARGET)_production.hex
	@cat $(TARGET)_bootloader.hex >> $(TARGET)_production.hex
	echo "File sizes:"
	$(SIZE) $(TARGET).hex $(TARGET)_bootloader.hex $(TARGET)_production.hex