# Hey Emacs, this is a -*- makefile -*- # Define version number MAJOR = 0 MINOR = 0 PATCHLEVEL = 1 FIX = # Forces bootloader version to 0, comment out for release #PRERELEASE = #---------------------------------------------------------------------------- # WinAVR Makefile Template written by Eric B. Weddington, Joerg Wunsch, et al. # # Released to the Public Domain # # Additional material for this makefile was written by: # Peter Fleury # Tim Henigan # Colin O'Flynn # Reiner Patommel # Markus Pfaff # Sander Pool # Frederik Rouleau # Carlos Lamas # # # Extensively modified for sd2iec by Ingo Korb # # To rebuild project do "make clean" then "make all". #---------------------------------------------------------------------------- # Read configuration file ifdef CONFIG CONFIGSUFFIX = $(CONFIG:config%=%) else CONFIG = config CONFIGSUFFIX = endif # Enable verbose compilation with "make V=1" ifdef V Q := E := @: else Q := @ E := @echo endif # Include the configuration file include $(CONFIG) # Set MCU name and length of binary for bootloader # WARNING: Fuse settings not tested! MCU := $(CONFIG_MCU) ifeq ($(MCU),atmega128) BINARY_LENGTH = 0x1f000 # EFUSE = 0xff # HFUSE = 0x91 # LFUSE = 0xaf else ifeq ($(MCU),atmega1281) BINARY_LENGTH = 0x1f000 BOOTLDRSIZE = 0x0800 EFUSE = 0xff HFUSE = 0xd2 LFUSE = 0xfc else ifeq ($(MCU),atmega2561) BINARY_LENGTH = 0x3f000 EFUSE = 0xfd HFUSE = 0x93 LFUSE = 0xef else ifeq ($(MCU),atmega644) BINARY_LENGTH = 0xf000 EFUSE = 0xfd HFUSE = 0x91 # LFUSE = 0xef LFUSE = 0xaf else ifeq ($(MCU),atmega644p) BINARY_LENGTH = 0xf000 EFUSE = 0xfd HFUSE = 0x91 LFUSE = 0xef else .PHONY: nochip nochip: @echo '==============================================================' @echo 'No known target chip specified.' @echo @echo 'Please edit the Makefile.' @exit 1 endif # Directory for all generated files OBJDIR := obj-$(CONFIG_MCU:atmega%=m%)$(CONFIGSUFFIX) # Output format. (can be srec, ihex, binary) FORMAT = ihex # Target file name (without extension). TARGET = $(OBJDIR)/sd2snes # List C source files here. (C dependencies are automatically generated.) SRC = main.c ff.c utils.c led.c diskio.c sdcard.c spi.c crc7.c snes.c fpga.c memory.c crc16.c fileops.c fpga_spi.c smc.c filetypes.c ifeq ($(CONFIG_UART_DEBUG),y) SRC += uart.c endif # List Assembler source files here. # Make them always end in a capital .S. Files ending in a lowercase .s # will not be considered source files but generated files (assembler # output from the compiler), and will be deleted upon "make clean"! # Even though the DOS/Win* filesystem matches both .s and .S the same, # it will preserve the spelling of the filenames, and gcc itself does # care about how the name is spelled on its command-line. ASRC = # Optimization level, can be [0, 1, 2, 3, s]. # 0 = turn off optimization. s = optimize for size. # (Note: 3 is not always the best optimization level. See avr-libc FAQ.) # Use s -mcall-prologues when you really need size... OPT = s #OPT = 3 -finline-functions # 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 # List any extra directories to look for include files 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. EXTRAINCDIRS = # Compiler flag to set the C Standard level. # c89 = "ANSI" C # gnu89 = c89 plus GCC extensions # c99 = ISO C99 standard (not yet fully implemented) # gnu99 = c99 plus GCC extensions CSTANDARD = -std=gnu99 # Place -D or -U options here CDEFS = -DF_CPU=$(CONFIG_MCU_FREQ)UL # Calculate bootloader version ifdef PRERELEASE BOOT_VERSION := 0 else BOOT_VERSION := 0x$(MAJOR)$(MINOR)$(PATCHLEVEL)$(FIX) endif # Create a version number define ifdef PATCHLEVEL ifdef FIX PROGRAMVERSION := $(MAJOR).$(MINOR).$(PATCHLEVEL).$(FIX) else PROGRAMVERSION := $(MAJOR).$(MINOR).$(PATCHLEVEL) BOOT_VERSION := $(BOOT_VERSION)0 endif else PROGRAMVERSION := $(MAJOR).$(MINOR) BOOT_VERSION := $(BOOT_VERSION)00 endif ifdef PRERELEASE PROGRAMVERSION := $(PROGRAMVERSION)$(PRERELEASE) endif LONGVERSION := -$(CONFIG_MCU:atmega%=m%)$(CONFIGSUFFIX) CDEFS += -DVERSION=\"$(PROGRAMVERSION)\" -DLONGVERSION=\"$(LONGVERSION)\" # Place -I options here CINCS = # Define programs and commands. # CC must be defined here to generate the correct CFLAGS SHELL = sh CC = avr-gcc OBJCOPY = avr-objcopy OBJDUMP = avr-objdump SIZE = avr-size NM = avr-nm AVRDUDE = avrdude REMOVE = rm -f COPY = cp WINSHELL = cmd #---------------- Compiler Options ---------------- # -g*: generate debugging information # -O*: optimization level # -f...: tuning, see GCC manual and avr-libc documentation # -Wall...: warning level # -Wa,...: tell GCC to pass this to the assembler. # -adhlns...: create assembler listing CFLAGS = -g$(DEBUG) CFLAGS += $(CDEFS) $(CINCS) CFLAGS += -O$(OPT) CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums CFLAGS += -Wall -Wstrict-prototypes -Werror CFLAGS += -Wa,-adhlns=$(OBJDIR)/$(<:.c=.lst) CFLAGS += -I$(OBJDIR) CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS)) CFLAGS += $(CSTANDARD) CFLAGS += -ffunction-sections -fdata-sections #CFLAGS += -mcall-prologues # these are needed for GCC 4.3.2, which is more aggressive at inlining # gcc-4.2 knows one of those, but it tends to increase code size ifeq ($(shell $(CC) --version|gawk -f gcctest.awk),YES) CFLAGS += --param inline-call-cost=3 CFLAGS += -fno-inline-small-functions CFLAGS += -fno-move-loop-invariants CFLAGS += -fno-split-wide-types # turn these on to keep the functions in the same order as in the source # this is only useful if you're looking at disassembly #CFLAGS += -fno-reorder-blocks #CFLAGS += -fno-reorder-blocks-and-partition #CFLAGS += -fno-reorder-functions #CFLAGS += -fno-toplevel-reorder endif ifeq ($(CONFIG_STACK_TRACKING),y) CFLAGS += -finstrument-functions endif #---------------- Assembler Options ---------------- # -Wa,...: tell GCC to pass this to the assembler. # -ahlms: create listing # -gstabs: have the assembler create line number information; note that # for use in COFF files, additional information about filenames # and function names needs to be present in the assembler source # files -- see avr-libc docs [FIXME: not yet described there] ASFLAGS = -Wa,-adhlns=$(OBJDIR)/$(<:.S=.lst),-gstabs -I$(OBJDIR) #---------------- Library Options ---------------- # Minimalistic printf version PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min # Floating point printf version (requires MATH_LIB = -lm below) PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt # If this is left blank, then it will use the Standard printf version. PRINTF_LIB = #PRINTF_LIB = $(PRINTF_LIB_MIN) #PRINTF_LIB = $(PRINTF_LIB_FLOAT) # Minimalistic scanf version SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min # Floating point + %[ scanf version (requires MATH_LIB = -lm below) SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt # If this is left blank, then it will use the Standard scanf version. SCANF_LIB = #SCANF_LIB = $(SCANF_LIB_MIN) #SCANF_LIB = $(SCANF_LIB_FLOAT) MATH_LIB = -lm #---------------- External Memory Options ---------------- # 64 KB of external RAM, starting after internal RAM (ATmega128!), # used for variables (.data/.bss) and heap (malloc()). #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff # 64 KB of external RAM, starting after internal RAM (ATmega128!), # only used for heap (malloc()). #EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff EXTMEMOPTS = #---------------- Linker Options ---------------- # -Wl,...: tell GCC to pass this to linker. # -Map: create map file # --cref: add cross reference to map file LDFLAGS = -Wl,-Map=$(TARGET).map,--cref LDFLAGS += $(EXTMEMOPTS) LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB) LDFLAGS += -Wl,--gc-sections ifeq ($(CONFIG_LINKER_RELAX),y) LDFLAGS += -Wl,-O9,--relax endif #---------------- Programming Options (avrdude) ---------------- # Programming hardware: alf avr910 avrisp bascom bsd # dt006 pavr picoweb pony-stk200 sp12 stk200 stk500 stk500v2 # # Type: avrdude -c ? # to get a full listing. # AVRDUDE_PROGRAMMER = dragon_isp # com1 = serial port. Use lpt1 to connect to parallel port. AVRDUDE_PORT = usb # programmer connected to serial device AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex # AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep # Allow fuse overrides from the config file ifdef CONFIG_EFUSE EFUSE := CONFIG_EFUSE endif ifdef CONFIG_HFUSE HFUSE := CONFIG_HFUSE endif ifdef CONFIG_LFUSE LFUSE := CONFIG_LFUSE endif # Calculate command line arguments for fuses AVRDUDE_WRITE_FUSES := ifdef EFUSE AVRDUDE_WRITE_FUSES += -U efuse:w:$(EFUSE):m endif ifdef HFUSE AVRDUDE_WRITE_FUSES += -U hfuse:w:$(HFUSE):m endif ifdef LFUSE AVRDUDE_WRITE_FUSES += -U lfuse:w:$(LFUSE):m endif # Uncomment the following if you want avrdude's erase cycle counter. # Note that this counter needs to be initialized first using -Yn, # see avrdude manual. AVRDUDE_ERASE_COUNTER = -y # Uncomment the following if you do /not/ wish a verification to be # performed after programming the device. #AVRDUDE_NO_VERIFY = -V # Increase verbosity level. Please use this when submitting bug # reports about avrdude. See # to submit bug reports. #AVRDUDE_VERBOSE = -v -v AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY) AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE) AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER) #---------------- Debugging Options ---------------- # For simulavr only - target MCU frequency. DEBUG_MFREQ = $(CONFIG_MCU_FREQ) # 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 #============================================================================ # De-dupe the list of C source files CSRC := $(sort $(SRC)) # Define all object files. OBJ := $(patsubst %,$(OBJDIR)/%,$(CSRC:.c=.o) $(ASRC:.S=.o)) # Define all listing files. LST := $(patsubst %,$(OBJDIR)/%,$(CSRC:.c=.lst) $(ASRC:.S=.lst)) # Compiler flags to generate dependency files. GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d # Combine all necessary flags and optional flags. # Add target processor to flags. ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS) ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) $(CDEFS) # Default target. all: build build: elf bin hex $(E) " SIZE $(TARGET).elf" $(Q)$(ELFSIZE)|grep -v debug elf: $(TARGET).elf bin: $(TARGET).bin hex: $(TARGET).hex eep: $(TARGET).eep lss: $(TARGET).lss sym: $(TARGET).sym # A little helper target for the maintainer =) copy2card: mount /mnt cp $(TARGET).bin /mnt umount /mnt sync # Doxygen output: doxygen: -rm -rf doxyinput mkdir doxyinput cp *.h *.c doxyinput src2doxy.pl doxyinput/*.h doxyinput/*.c doxygen doxygen.conf # Display size of file. HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex ELFSIZE = $(SIZE) -A $(TARGET).elf AVRMEM = avr-mem.sh $(TARGET).elf $(MCU) # Program the device. program: bin hex eep $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM) # Set fuses of the device fuses: $(CONFIG) $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSES) # Generate avr-gdb config/init file which does the following: # define the reset signal, load the target file, connect to target, and set # a breakpoint at main(). gdb-config: @$(REMOVE) $(GDBINIT_FILE) @echo define reset >> $(GDBINIT_FILE) @echo SIGNAL SIGHUP >> $(GDBINIT_FILE) @echo end >> $(GDBINIT_FILE) @echo file $(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 $(TARGET).elf ifeq ($(DEBUG_BACKEND), avarice) @echo Starting AVaRICE - Press enter when "waiting to connect" message displays. @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \ $(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 \ --change-section-address .data-0x800000 \ --change-section-address .bss-0x800000 \ --change-section-address .noinit-0x800000 \ --change-section-address .eeprom-0x810000 coff: $(TARGET).elf $(COFFCONVERT) -O coff-avr $< $(TARGET).cof extcoff: $(TARGET).elf $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof # Generate autoconf.h from config .PRECIOUS : $(OBJDIR)/autoconf.h $(OBJDIR)/autoconf.h: $(CONFIG) | $(OBJDIR) $(E) " CONF2H $(CONFIG)" $(Q)gawk -f conf2h.awk $(CONFIG) > $(OBJDIR)/autoconf.h # Create final output files (.hex, .eep) from ELF output file. ifeq ($(CONFIG_BOOTLOADER),y) $(OBJDIR)/%.bin: $(OBJDIR)/%.elf $(E) " BIN $@" $(Q)$(OBJCOPY) -O binary -R .eeprom $< $@ $(E) " CRCGEN $@" -$(Q)crcgen-new $@ $(BINARY_LENGTH) $(CONFIG_BOOT_DEVID) $(BOOT_VERSION) $(E) " COPY $(CONFIG_HARDWARE_NAME)-firmware-$(PROGRAMVERSION).bin" $(Q)$(COPY) $@ $(OBJDIR)/$(CONFIG_HARDWARE_NAME)-firmware-$(PROGRAMVERSION).bin else $(OBJDIR)/%.bin: $(OBJDIR)/%.elf $(E) " BIN $@" $(Q)$(OBJCOPY) -O binary -R .eeprom $< $@ endif $(OBJDIR)/%.hex: $(OBJDIR)/%.elf $(E) " HEX $@" $(Q)$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@ $(OBJDIR)/%.eep: $(OBJDIR)/%.elf -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \ --change-section-lma .eeprom=0 -O $(FORMAT) $< $@ # Create extended listing file from ELF output file. $(OBJDIR)/%.lss: $(OBJDIR)/%.elf $(E) " LSS $<" $(Q)$(OBJDUMP) -h -S $< > $@ # Create a symbol table from ELF output file. $(OBJDIR)/%.sym: $(OBJDIR)/%.elf $(E) " SYM $<" $(E)$(NM) -n $< > $@ # Link: create ELF output file from object files. .SECONDARY : $(TARGET).elf .PRECIOUS : $(OBJ) $(OBJDIR)/%.elf: $(OBJ) $(E) " LINK $@" $(Q)$(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS) # Compile: create object files from C source files. $(OBJDIR)/%.o : %.c | $(OBJDIR) $(OBJDIR)/autoconf.h $(E) " CC $<" $(Q)$(CC) -c $(ALL_CFLAGS) $< -o $@ # Compile: create assembler files from C source files. $(OBJDIR)/%.s : %.c | $(OBJDIR) $(OBJDIR)/autoconf.h $(CC) -S $(ALL_CFLAGS) $< -o $@ # Assemble: create object files from assembler source files. $(OBJDIR)/%.o : %.S | $(OBJDIR) $(OBJDIR)/autoconf.h $(E) " AS $<" $(Q)$(CC) -c $(ALL_ASFLAGS) $< -o $@ # Create preprocessed source for use in sending a bug report. $(OBJDIR)/%.i : %.c | $(OBJDIR) $(OBJDIR)/autoconf.h $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ # Create the output directory $(OBJDIR): $(E) " MKDIR $(OBJDIR)" $(Q)mkdir $(OBJDIR) # Target: clean project. clean: begin clean_list end clean_list : $(E) " CLEAN" $(Q)$(REMOVE) $(TARGET).hex $(Q)$(REMOVE) $(TARGET).bin $(Q)$(REMOVE) $(TARGET).eep $(Q)$(REMOVE) $(TARGET).cof $(Q)$(REMOVE) $(TARGET).elf $(Q)$(REMOVE) $(TARGET).map $(Q)$(REMOVE) $(TARGET).sym $(Q)$(REMOVE) $(TARGET).lss $(Q)$(REMOVE) $(OBJ) $(Q)$(REMOVE) $(OBJDIR)/autoconf.h $(Q)$(REMOVE) $(OBJDIR)/*.bin $(Q)$(REMOVE) $(LST) $(Q)$(REMOVE) $(CSRC:.c=.s) $(Q)$(REMOVE) $(CSRC:.c=.d) $(Q)$(REMOVE) .dep/* $(Q)$(REMOVE) -rf codedoc $(Q)$(REMOVE) -rf doxyinput -$(Q)rmdir $(OBJDIR) # Include the dependency files. -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*) # Manual dependency for the assembler module # $(OBJDIR)/fastloader-ll.o: config.h $(OBJDIR)/autoconf.h # Listing of phony targets. .PHONY : all begin finish end sizebefore sizeafter gccversion \ build elf hex eep lss sym coff extcoff \ clean clean_list program debug gdb-config doxygen