# # Makefile - Makefile of the Antorcha firmware # # Written 2012 by Werner Almesberger # Copyright 2012 by Werner Almesberger # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # SHELL = /bin/bash NAME = antorcha CFLAGS = -g -mmcu=$(CHIP) \ -DBOOT_ADDR=$(BOOT_ADDR) \ -Wall -Wextra -Wshadow -Werror -Wno-unused-parameter \ -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes \ -I../../ben-wpan/atusb/fw/include/ CHIP = atmega168 HOST = jlime BOOT_ADDR = 0x3800 AVR_PREFIX = $(BIN_PATH) avr- CC = $(AVR_PREFIX)gcc OBJCOPY = $(AVR_PREFIX)objcopy #OBJDUMP = $(AVR_PREFIX)objdump SIZE = $(AVR_PREFIX)size OBJS = $(NAME).o dispatch.o hash.o $(COMMON_OBJS) BOOT_OBJS = boot.o flash.o fw.o $(COMMON_OBJS) COMMON_OBJS = rf.o spi.o # ----- Verbosity control ----------------------------------------------------- CC_normal := $(CC) BUILD_normal := DEPEND_normal := $(CPP) $(CFLAGS) -MM -MG CC_quiet = @echo " CC " $@ && $(CC_normal) BUILD_quiet = @echo " BUILD " $@ && $(BUILD_normal) DEPEND_quiet = @$(DEPEND_normal) ifeq ($(V),1) CC = $(CC_normal) BUILD = $(BUILD_normal) DEPEND = $(DEPEND_normal) else CC = $(CC_quiet) BUILD = $(BUILD_quiet) DEPEND = $(DEPEND_quiet) endif # ----- Rules ----------------------------------------------------------------- .PHONY: all clean nosecrets upload prog version.c .PHONY: prog-app prog-read on off reset all: $(NAME).bin boot.bin $(NAME).elf: $(OBJS) $(MAKE) version.o $(CC) $(CFLAGS) -o $@ $(OBJS) version.o boot.elf: $(BOOT_OBJS) $(CC) $(CFLAGS) -o $@ $(BOOT_OBJS) \ -Wl,--section-start=.text=$(BOOT_ADDR) %.bin: %.elf $(BUILD) $(OBJCOPY) -j .text -j .data -O binary $< $@ @echo "build #`cat .version`, `ls -l $@`" %.hex: %.elf $(BUILD) $(OBJCOPY) -j .text -j .data -O ihex $< $@ $(SIZE) $@ # ----- Cleanup --------------------------------------------------------------- clean: rm -f $(NAME).bin $(NAME).elf rm -f $(OBJS) $(OBJS:.o=.d) rm -f boot.hex boot.elf rm -f $(BOOT_OBJS) $(BOOT_OBJS:.o=.d) rm -f version.c version.d version.o nosecrets: rm -f unlock-secret.inc image-secret.inc # ----- Build version --------------------------------------------------------- version.c: @if [ -f .version ]; then \ v=`cat .version`; \ expr $$v + 1 >.version; \ else \ echo 0 >.version; \ fi @[ -s .version ] || echo 0 >.version @echo '/* MACHINE-GENERATED. DO NOT EDIT ! */' >version.c @echo '#include "version.h"' >>version.c @echo "const char *build_date = \"`date`\";" >>version.c @echo "const uint16_t build_number = `cat .version`;" \ >>version.c # ----- Secrets --------------------------------------------------------------- # # Linux has two sources of randomness: # # /dev/random delivers bits of high randomness but may take a while to # collect them # /dev/urandom delivers bits of high randomness if available and "stretches" # the pool with pseudo-randomness to deliver the rest of the bits # that are requested # # Use /dev/random if you're paranoid. /dev/urandom is more than adequate for # the level of security we try to achieve here. # RANDOM = /dev/urandom SECRET = { dd if=$(RANDOM) iflag=fullblock bs=$(1) count=1 status=noxfer | \ hexdump -e '"\t" "/* %3_ad */" 8/1 " 0x%02x," "\n"'; \ [ "$${PIPESTATUS[*]}" = "0 0" ]; } unlock-secret.inc: $(BUILD) $(call SECRET,64) >$@ || { rm -f $@; exit 1; } image-secret.inc: $(BUILD) $(call SECRET,128) >$@ || { rm -f $@; exit 1; } fw.o: unlock-secret.inc # ----- Dependencies ---------------------------------------------------------- MKDEP = \ $(DEPEND) $< | \ sed \ -e 's|^$(basename $(notdir $<)).o:|$@:|' \ -e '/^\(.*:\)\? */{p;s///;s/ *\\\?$$/ /;s/ */:\n/g;H;}' \ -e '$${g;p;}' \ -e d >$(basename $@).d; \ [ "$${PIPESTATUS[*]}" = "0 0" ] || \ { rm -f $(basename $@).d; exit 1; } %.o: %.c $(CC) $(CFLAGS) -Os -c $< $(MKDEP) -include $(OBJS:.o=.d) # ----- Programming and device control ---------------------------------------- upload: $(NAME).bin boot.hex scp $(NAME).bin boot.hex $(HOST): # lfuse: external clock, slow start-up # hfuse: 4 kB boot loader, reset into boot loader # lock: allow everything but SPM to the boot loader # Note: when trying to program 0xef, we get back 0x2f, failing # verification. So we just program 0x2f. prog-app: ssh $(HOST) avrdude -F -p $(CHIP) -c nanonote_antorcha -e \ -U flash:w:antorcha.bin:r # -U lfuse:w:0x60:m prog: ssh $(HOST) avrdude -F -p $(CHIP) -c nanonote_antorcha -e \ -U flash:w:boot.hex:i \ -U efuse:w:0x00:m \ -U lfuse:w:0xe2:m # -U lfuse:w:0x60:m \ # -U hfuse:w:0xd8:m \ # -U lock:w:0x2f:m prog-read: ssh $(HOST) avrdude -F -p $(CHIP) -c nanonote_antorcha \ -U flash:r:mcu.bin:r on: ssh $(HOST) poke 0x10010318 4 off: ssh $(HOST) poke 0x10010314 4 reset: ssh $(HOST) poke 0x10010318 2048 ssh $(HOST) poke 0x10010314 2048