| 1 | #---------------------------------------------------------------------------- |
| 2 | # |
| 3 | # Makefile based on the public domain Makefile by Peter Fleury |
| 4 | # |
| 5 | #---------------------------------------------------------------------------- |
| 6 | # On command line: |
| 7 | # |
| 8 | # make all = Make software. |
| 9 | # |
| 10 | # make clean = Clean out built project files. |
| 11 | # |
| 12 | # make coff = Convert ELF to AVR COFF. |
| 13 | # |
| 14 | # make extcoff = Convert ELF to AVR Extended COFF. |
| 15 | # |
| 16 | # make program = Download the hex file to the device, using avrdude. |
| 17 | # Please customize the avrdude settings below first! |
| 18 | # |
| 19 | # make debug = Start either simulavr or avarice as specified for debugging, |
| 20 | # with avr-gdb or avr-insight as the front end for debugging. |
| 21 | # |
| 22 | # make filename.s = Just compile filename.c into the assembler code only. |
| 23 | # |
| 24 | # make filename.i = Create a preprocessed source file for use in submitting |
| 25 | # bug reports to the GCC project. |
| 26 | # |
| 27 | # To rebuild project do "make clean" then "make all". |
| 28 | #---------------------------------------------------------------------------- |
| 29 | |
| 30 | CONFIG?=trennfix_attiny25 |
| 31 | |
| 32 | include mk/${CONFIG}.mk |
| 33 | |
| 34 | INCLUDES+=-I mm/include -I include |
| 35 | SRC+= mm/src/mm_switch.c |
| 36 | CFLAGS+=-D__HW_CONF_HEADER__="<config/${CONFIG}.h>" |
| 37 | |
| 38 | # MCU name |
| 39 | #MCU ?= atmega328 |
| 40 | |
| 41 | # Processor frequency. |
| 42 | # This will define a symbol, F_CPU, in all source code files equal to the |
| 43 | # processor frequency. You can then use this symbol in your source code to |
| 44 | # calculate timings. Do NOT tack on a 'UL' at the end, this will be done |
| 45 | # automatically to create a 32-bit value in your source code. |
| 46 | #F_CPU ?= 20000000 |
| 47 | |
| 48 | |
| 49 | # Output format. (can be srec, ihex, binary) |
| 50 | FORMAT = ihex |
| 51 | |
| 52 | |
| 53 | # Target file name (without extension). |
| 54 | TARGET = trennfix |
| 55 | |
| 56 | # List C source files here. (C dependencies are automatically generated.) |
| 57 | #SRC ?= main.c |
| 58 | |
| 59 | |
| 60 | ASRC = |
| 61 | |
| 62 | # Optimization level, can be [0, 1, 2, 3, s]. |
| 63 | # 0 = turn off optimization. s = optimize for size. |
| 64 | # (Note: 3 is not always the best optimization level. See avr-libc FAQ.) |
| 65 | OPT = s |
| 66 | |
| 67 | |
| 68 | # Debugging format. |
| 69 | # Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs. |
| 70 | # AVR Studio 4.10 requires dwarf-2. |
| 71 | # AVR [Extended] COFF format requires stabs, plus an avr-objcopy run. |
| 72 | DEBUG = dwarf-2 |
| 73 | |
| 74 | |
| 75 | # List any extra directories to look for include files here. |
| 76 | # Each directory must be seperated by a space. |
| 77 | # Use forward slashes for directory separators. |
| 78 | # For a directory that has spaces, enclose it in quotes. |
| 79 | EXTRAINCDIRS = |
| 80 | |
| 81 | |
| 82 | # Compiler flag to set the C Standard level. |
| 83 | # c89 = "ANSI" C |
| 84 | # gnu89 = c89 plus GCC extensions |
| 85 | # c99 = ISO C99 standard (not yet fully implemented) |
| 86 | # gnu99 = c99 plus GCC extensions |
| 87 | CSTANDARD = -std=gnu99 |
| 88 | |
| 89 | |
| 90 | # Place -D or -U options here |
| 91 | CDEFS = -DF_CPU=$(F_CPU)UL -DBOOT_START=${BOOT_START} -DBOOT_PAGES=${BOOT_PAGES} |
| 92 | |
| 93 | |
| 94 | # Place -I options here |
| 95 | CINCS = |
| 96 | |
| 97 | # Bootloader LDFLAGS |
| 98 | #BOOT_LDFLAGS=-Wl,-Ttext=${BOOT_START} |
| 99 | |
| 100 | #---------------- Compiler Options ---------------- |
| 101 | # -g*: generate debugging information |
| 102 | # -O*: optimization level |
| 103 | # -f...: tuning, see GCC manual and avr-libc documentation |
| 104 | # -Wall...: warning level |
| 105 | # -Wa,...: tell GCC to pass this to the assembler. |
| 106 | # -adhlns...: create assembler listing |
| 107 | CFLAGS += -g$(DEBUG) |
| 108 | CFLAGS += $(CDEFS) $(CINCS) |
| 109 | CFLAGS += -O$(OPT) |
| 110 | CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
| 111 | CFLAGS += -Wall -Wstrict-prototypes |
| 112 | CFLAGS += -Wa,-adhlns=$(<:.c=.lst) |
| 113 | CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS)) |
| 114 | CFLAGS += $(CSTANDARD) |
| 115 | CFLAGS += $(INCLUDES) |
| 116 | |
| 117 | |
| 118 | #---------------- Assembler Options ---------------- |
| 119 | # -Wa,...: tell GCC to pass this to the assembler. |
| 120 | # -ahlms: create listing |
| 121 | # -gstabs: have the assembler create line number information; note that |
| 122 | # for use in COFF files, additional information about filenames |
| 123 | # and function names needs to be present in the assembler source |
| 124 | # files -- see avr-libc docs [FIXME: not yet described there] |
| 125 | ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs |
| 126 | |
| 127 | |
| 128 | #---------------- Library Options ---------------- |
| 129 | # Minimalistic printf version |
| 130 | PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min |
| 131 | |
| 132 | # Floating point printf version (requires MATH_LIB = -lm below) |
| 133 | PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt |
| 134 | |
| 135 | # If this is left blank, then it will use the Standard printf version. |
| 136 | PRINTF_LIB = |
| 137 | #PRINTF_LIB = $(PRINTF_LIB_MIN) |
| 138 | #PRINTF_LIB = $(PRINTF_LIB_FLOAT) |
| 139 | |
| 140 | |
| 141 | # Minimalistic scanf version |
| 142 | SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min |
| 143 | |
| 144 | # Floating point + %[ scanf version (requires MATH_LIB = -lm below) |
| 145 | SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt |
| 146 | |
| 147 | # If this is left blank, then it will use the Standard scanf version. |
| 148 | SCANF_LIB = |
| 149 | #SCANF_LIB = $(SCANF_LIB_MIN) |
| 150 | #SCANF_LIB = $(SCANF_LIB_FLOAT) |
| 151 | |
| 152 | |
| 153 | MATH_LIB = -lm |
| 154 | |
| 155 | |
| 156 | #---------------- External Memory Options ---------------- |
| 157 | |
| 158 | # 64 KB of external RAM, starting after internal RAM (ATmega128!), |
| 159 | # used for variables (.data/.bss) and heap (malloc()). |
| 160 | #EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff |
| 161 | |
| 162 | # 64 KB of external RAM, starting after internal RAM (ATmega128!), |
| 163 | # only used for heap (malloc()). |
| 164 | #EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff |
| 165 | |
| 166 | EXTMEMOPTS = |
| 167 | |
| 168 | |
| 169 | |
| 170 | #---------------- Linker Options ---------------- |
| 171 | # -Wl,...: tell GCC to pass this to linker. |
| 172 | # -Map: create map file |
| 173 | # --cref: add cross reference to map file |
| 174 | LDFLAGS = $(BOOT_LDFLAGS) -Wl,-Map=$(TARGET).map,--cref |
| 175 | LDFLAGS += $(EXTMEMOPTS) |
| 176 | LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB) |
| 177 | |
| 178 | |
| 179 | |
| 180 | #---------------- Programming Options (avrdude) ---------------- |
| 181 | |
| 182 | # Programming hardware: alf avr910 avrisp bascom bsd |
| 183 | # dt006 pavr picoweb pony-stk200 sp12 stk200 stk500 |
| 184 | # |
| 185 | # Type: avrdude -c ? |
| 186 | # to get a full listing. |
| 187 | # |
| 188 | |
| 189 | AVRDUDE_PROGRAMMER ?= avrisp2 |
| 190 | |
| 191 | |
| 192 | # com1 = serial port. Use lpt1 to connect to parallel port. |
| 193 | AVRDUDE_PORT ?= usb |
| 194 | |
| 195 | AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex |
| 196 | #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep |
| 197 | |
| 198 | AVRDUDE_WRITE_FUSES = -U lfuse:w:${LFUSE}:m -U hfuse:w:${HFUSE}:m \ |
| 199 | -U efuse:w:${EFUSE}:m |
| 200 | |
| 201 | # Uncomment the following if you want avrdude's erase cycle counter. |
| 202 | # Note that this counter needs to be initialized first using -Yn, |
| 203 | # see avrdude manual. |
| 204 | #AVRDUDE_ERASE_COUNTER = -y |
| 205 | |
| 206 | # Uncomment the following if you do /not/ wish a verification to be |
| 207 | # performed after programming the device. |
| 208 | # AVRDUDE_NO_VERIFY = -V |
| 209 | |
| 210 | # Increase verbosity level. Please use this when submitting bug |
| 211 | # reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude> |
| 212 | # to submit bug reports. |
| 213 | #AVRDUDE_VERBOSE = -v -v |
| 214 | |
| 215 | AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) |
| 216 | AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY) |
| 217 | AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE) |
| 218 | AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER) |
| 219 | AVRDUDE_FLAGS += -B 20 |
| 220 | |
| 221 | |
| 222 | #---------------- Debugging Options ---------------- |
| 223 | |
| 224 | # For simulavr only - target MCU frequency. |
| 225 | DEBUG_MFREQ = $(F_CPU) |
| 226 | |
| 227 | # Set the DEBUG_UI to either gdb or insight. |
| 228 | # DEBUG_UI = gdb |
| 229 | DEBUG_UI = insight |
| 230 | |
| 231 | # Set the debugging back-end to either avarice, simulavr. |
| 232 | DEBUG_BACKEND = avarice |
| 233 | #DEBUG_BACKEND = simulavr |
| 234 | |
| 235 | # GDB Init Filename. |
| 236 | GDBINIT_FILE = __avr_gdbinit |
| 237 | |
| 238 | # When using avarice settings for the JTAG |
| 239 | JTAG_DEV = /dev/com1 |
| 240 | |
| 241 | # Debugging port used to communicate between GDB / avarice / simulavr. |
| 242 | DEBUG_PORT = 4242 |
| 243 | |
| 244 | # Debugging host used to communicate between GDB / avarice / simulavr, normally |
| 245 | # just set to localhost unless doing some sort of crazy debugging when |
| 246 | # avarice is running on a different computer. |
| 247 | DEBUG_HOST = localhost |
| 248 | |
| 249 | |
| 250 | |
| 251 | #============================================================================ |
| 252 | |
| 253 | |
| 254 | # Define programs and commands. |
| 255 | SHELL = sh |
| 256 | CC = avr-gcc |
| 257 | OBJCOPY = avr-objcopy |
| 258 | OBJDUMP = avr-objdump |
| 259 | SIZE = avr-size |
| 260 | NM = avr-nm |
| 261 | AVRDUDE = avrdude |
| 262 | REMOVE = rm -rf |
| 263 | COPY = cp |
| 264 | WINSHELL = cmd |
| 265 | |
| 266 | |
| 267 | # Define Messages |
| 268 | # English |
| 269 | MSG_ERRORS_NONE = Errors: none |
| 270 | MSG_BEGIN = -------- begin -------- |
| 271 | MSG_END = -------- end -------- |
| 272 | MSG_SIZE_BEFORE = Size before: |
| 273 | MSG_SIZE_AFTER = Size after: |
| 274 | MSG_COFF = Converting to AVR COFF: |
| 275 | MSG_EXTENDED_COFF = Converting to AVR Extended COFF: |
| 276 | MSG_FLASH = Creating load file for Flash: |
| 277 | MSG_EEPROM = Creating load file for EEPROM: |
| 278 | MSG_EXTENDED_LISTING = Creating Extended Listing: |
| 279 | MSG_SYMBOL_TABLE = Creating Symbol Table: |
| 280 | MSG_LINKING = Linking: |
| 281 | MSG_COMPILING = Compiling: |
| 282 | MSG_ASSEMBLING = Assembling: |
| 283 | MSG_CLEANING = Cleaning project: |
| 284 | |
| 285 | |
| 286 | # Define all object files. |
| 287 | OBJ = $(SRC:.c=.o) $(ASRC:.S=.o) |
| 288 | |
| 289 | # Define all listing files. |
| 290 | LST = $(SRC:.c=.lst) $(ASRC:.S=.lst) |
| 291 | |
| 292 | |
| 293 | # Compiler flags to generate dependency files. |
| 294 | GENDEPFLAGS = -MD -MP -MF .dep/$(@F).d |
| 295 | |
| 296 | |
| 297 | # Combine all necessary flags and optional flags. |
| 298 | # Add target processor to flags. |
| 299 | ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS) |
| 300 | ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) |
| 301 | |
| 302 | |
| 303 | # Default target. |
| 304 | all: begin gccversion sizebefore build sizeafter end |
| 305 | |
| 306 | build: elf hex eep lss sym |
| 307 | |
| 308 | elf: $(TARGET).elf |
| 309 | hex: $(TARGET).hex |
| 310 | eep: $(TARGET).eep |
| 311 | lss: $(TARGET).lss |
| 312 | sym: $(TARGET).sym |
| 313 | |
| 314 | |
| 315 | # Eye candy. |
| 316 | # AVR Studio 3.x does not check make's exit code but relies on |
| 317 | # the following magic strings to be generated by the compile job. |
| 318 | begin: |
| 319 | @echo |
| 320 | @echo $(MSG_BEGIN) |
| 321 | |
| 322 | end: |
| 323 | @echo $(MSG_END) |
| 324 | @echo |
| 325 | |
| 326 | |
| 327 | # Display size of file. |
| 328 | HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex |
| 329 | ELFSIZE = $(SIZE) -A $(TARGET).elf |
| 330 | AVRMEM = avr-mem.sh $(TARGET).elf $(MCU) |
| 331 | |
| 332 | sizebefore: |
| 333 | @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \ |
| 334 | $(AVRMEM) 2>/dev/null; echo; fi |
| 335 | |
| 336 | sizeafter: |
| 337 | @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \ |
| 338 | $(AVRMEM) 2>/dev/null; echo; fi |
| 339 | |
| 340 | |
| 341 | |
| 342 | # Display compiler version information. |
| 343 | gccversion : |
| 344 | @$(CC) --version |
| 345 | |
| 346 | |
| 347 | |
| 348 | # Program the device. |
| 349 | program: $(TARGET).hex $(TARGET).eep |
| 350 | $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM) |
| 351 | |
| 352 | fuses: |
| 353 | $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSES) |
| 354 | |
| 355 | # Generate avr-gdb config/init file which does the following: |
| 356 | # define the reset signal, load the target file, connect to target, and set |
| 357 | # a breakpoint at main(). |
| 358 | gdb-config: |
| 359 | @$(REMOVE) $(GDBINIT_FILE) |
| 360 | @echo define reset >> $(GDBINIT_FILE) |
| 361 | @echo SIGNAL SIGHUP >> $(GDBINIT_FILE) |
| 362 | @echo end >> $(GDBINIT_FILE) |
| 363 | @echo file $(TARGET).elf >> $(GDBINIT_FILE) |
| 364 | @echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE) |
| 365 | ifeq ($(DEBUG_BACKEND),simulavr) |
| 366 | @echo load >> $(GDBINIT_FILE) |
| 367 | endif |
| 368 | @echo break main >> $(GDBINIT_FILE) |
| 369 | |
| 370 | debug: gdb-config $(TARGET).elf |
| 371 | ifeq ($(DEBUG_BACKEND), avarice) |
| 372 | @echo Starting AVaRICE - Press enter when "waiting to connect" message displays. |
| 373 | @$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \ |
| 374 | $(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT) |
| 375 | @$(WINSHELL) /c pause |
| 376 | |
| 377 | else |
| 378 | @$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \ |
| 379 | $(DEBUG_MFREQ) --port $(DEBUG_PORT) |
| 380 | endif |
| 381 | @$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE) |
| 382 | |
| 383 | |
| 384 | # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB. |
| 385 | COFFCONVERT=$(OBJCOPY) --debugging \ |
| 386 | --change-section-address .data-0x800000 \ |
| 387 | --change-section-address .bss-0x800000 \ |
| 388 | --change-section-address .noinit-0x800000 \ |
| 389 | --change-section-address .eeprom-0x810000 |
| 390 | |
| 391 | |
| 392 | coff: $(TARGET).elf |
| 393 | @echo |
| 394 | @echo $(MSG_COFF) $(TARGET).cof |
| 395 | $(COFFCONVERT) -O coff-avr $< $(TARGET).cof |
| 396 | |
| 397 | |
| 398 | extcoff: $(TARGET).elf |
| 399 | @echo |
| 400 | @echo $(MSG_EXTENDED_COFF) $(TARGET).cof |
| 401 | $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof |
| 402 | |
| 403 | |
| 404 | |
| 405 | # Create final output files (.hex, .eep) from ELF output file. |
| 406 | %.hex: %.elf |
| 407 | @echo |
| 408 | @echo $(MSG_FLASH) $@ |
| 409 | $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@ |
| 410 | |
| 411 | %.eep: %.elf |
| 412 | @echo |
| 413 | @echo $(MSG_EEPROM) $@ |
| 414 | -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \ |
| 415 | --change-section-lma .eeprom=0 -O $(FORMAT) $< $@ |
| 416 | |
| 417 | # Create extended listing file from ELF output file. |
| 418 | %.lss: %.elf |
| 419 | @echo |
| 420 | @echo $(MSG_EXTENDED_LISTING) $@ |
| 421 | $(OBJDUMP) -h -S $< > $@ |
| 422 | |
| 423 | # Create a symbol table from ELF output file. |
| 424 | %.sym: %.elf |
| 425 | @echo |
| 426 | @echo $(MSG_SYMBOL_TABLE) $@ |
| 427 | $(NM) -n $< > $@ |
| 428 | |
| 429 | |
| 430 | |
| 431 | # Link: create ELF output file from object files. |
| 432 | .SECONDARY : $(TARGET).elf |
| 433 | .PRECIOUS : $(OBJ) |
| 434 | %.elf: $(OBJ) |
| 435 | @echo |
| 436 | @echo $(MSG_LINKING) $@ |
| 437 | $(CC) $(ALL_CFLAGS) $^ --output $@ $(LDFLAGS) |
| 438 | |
| 439 | |
| 440 | # Compile: create object files from C source files. |
| 441 | %.o : %.c Makefile |
| 442 | @echo |
| 443 | @echo $(MSG_COMPILING) $< |
| 444 | $(CC) -c $(ALL_CFLAGS) $< -o $@ |
| 445 | |
| 446 | |
| 447 | # Compile: create assembler files from C source files. |
| 448 | %.s : %.c Makefile |
| 449 | $(CC) -S $(ALL_CFLAGS) $< -o $@ |
| 450 | |
| 451 | |
| 452 | # Assemble: create object files from assembler source files. |
| 453 | %.o : %.S |
| 454 | @echo |
| 455 | @echo $(MSG_ASSEMBLING) $< |
| 456 | $(CC) -c $(ALL_ASFLAGS) $< -o $@ |
| 457 | |
| 458 | # Create preprocessed source for use in sending a bug report. |
| 459 | %.i : %.c |
| 460 | $(CC) -E -mmcu=$(MCU) -I. $(CFLAGS) $< -o $@ |
| 461 | |
| 462 | |
| 463 | # Target: clean project. |
| 464 | clean: begin clean_list end |
| 465 | |
| 466 | clean_list : |
| 467 | @echo |
| 468 | @echo $(MSG_CLEANING) |
| 469 | $(REMOVE) $(TARGET).hex |
| 470 | $(REMOVE) $(TARGET).eep |
| 471 | $(REMOVE) $(TARGET).cof |
| 472 | $(REMOVE) $(TARGET).elf |
| 473 | $(REMOVE) $(TARGET).map |
| 474 | $(REMOVE) $(TARGET).sym |
| 475 | $(REMOVE) $(TARGET).lss |
| 476 | $(REMOVE) $(OBJ) |
| 477 | $(REMOVE) $(LST) |
| 478 | $(REMOVE) $(SRC:.c=.s) |
| 479 | $(REMOVE) $(SRC:.c=.d) |
| 480 | $(REMOVE) .dep |
| 481 | $(REMOVE) *~ |
| 482 | |
| 483 | |
| 484 | |
| 485 | # Include the dependency files. |
| 486 | -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*) |
| 487 | |
| 488 | |
| 489 | # Listing of phony targets. |
| 490 | .PHONY : all begin finish end sizebefore sizeafter gccversion \ |
| 491 | build elf hex eep lss sym coff extcoff \ |
| 492 | clean clean_list program debug gdb-config |
| 493 | |