CC = arm-none-eabi-gcc CPP = arm-none-eabi-cpp LD = arm-none-eabi-gcc AR = arm-none-eabi-ar OBJCOPY = arm-none-eabi-objcopy OBJDUMP = arm-none-eabi-objdump NM = arm-none-eabi-nm ifndef SOURCE_LDSCRIPT SOURCE_LDSCRIPT = $(CONTIKI_CPU)/cc2538.lds endif LDSCRIPT = $(OBJECTDIR)/cc2538.ld CFLAGS += -mcpu=cortex-m3 -mthumb -mlittle-endian CFLAGS += -ffunction-sections -fdata-sections CFLAGS += -fshort-enums -fomit-frame-pointer -fno-strict-aliasing CFLAGS += -Wall LDFLAGS += -mcpu=cortex-m3 -mthumb -nostartfiles LDFLAGS += -T $(LDSCRIPT) LDFLAGS += -Wl,--gc-sections,--sort-section=alignment LDFLAGS += -Wl,-Map=$(@:.elf=-$(TARGET).map),--cref,--no-warn-mismatch OBJCOPY_FLAGS += -O binary --gap-fill 0xff OBJDUMP_FLAGS += --disassemble --source --disassembler-options=force-thumb ### Are we building with code size optimisations? ifeq ($(SMALL),1) CFLAGS += -Os else CFLAGS += -O2 endif ### If the user-specified a Node ID, pass a define ifdef NODEID CFLAGS += -DIEEE_ADDR_NODE_ID=$(NODEID) endif ### CPU-dependent cleanup files CLEAN += symbols.c symbols.h *.d *.elf *.hex ### CPU-dependent directories CONTIKI_CPU_DIRS = . dev usb ### Use the existing debug I/O in cpu/arm/common CONTIKI_CPU_DIRS += ../arm/common/dbg-io ### Use usb core from cpu/cc253x/usb/common CONTIKI_CPU_DIRS += ../cc253x/usb/common ../cc253x/usb/common/cdc-acm ### CPU-dependent source files CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c uart.c watchdog.c CONTIKI_CPU_SOURCEFILES += nvic.c cpu.c sys-ctrl.c gpio.c ioc.c spi.c adc.c CONTIKI_CPU_SOURCEFILES += crypto.c aes.c ccm.c sha256.c CONTIKI_CPU_SOURCEFILES += cc2538-rf.c udma.c lpm.c CONTIKI_CPU_SOURCEFILES += pka.c bignum-driver.c ecc-driver.c ecc-algorithm.c CONTIKI_CPU_SOURCEFILES += ecc-curve.c CONTIKI_CPU_SOURCEFILES += dbg.c ieee-addr.c CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c CONTIKI_CPU_SOURCEFILES += i2c.c cc2538-temp-sensor.c vdd3-sensor.c DEBUG_IO_SOURCEFILES += dbg-printf.c dbg-snprintf.c dbg-sprintf.c strformat.c USB_CORE_SOURCEFILES += usb-core.c cdc-acm.c USB_ARCH_SOURCEFILES += usb-arch.c usb-serial.c cdc-acm-descriptors.c ifneq ($(TARGET_START_SOURCEFILES),) CPU_START_SOURCEFILES = TARGET_START_SOURCEFILES else CPU_START_SOURCEFILES = startup-gcc.c endif CPU_STARTFILES = ${addprefix $(OBJECTDIR)/,${call oname, $(CPU_START_SOURCEFILES)}} CONTIKI_SOURCEFILES += $(CONTIKI_CPU_SOURCEFILES) $(DEBUG_IO_SOURCEFILES) CONTIKI_SOURCEFILES += $(USB_CORE_SOURCEFILES) $(USB_ARCH_SOURCEFILES) ### Don't treat the .elf as intermediate .PRECIOUS: %.elf %.hex %.bin ### Always re-build ieee-addr.o in case the command line passes a new NODEID FORCE: $(OBJECTDIR)/ieee-addr.o: ieee-addr.c FORCE | $(OBJECTDIR) $(TRACE_CC) $(Q)$(CC) $(CFLAGS) -c $< -o $@ ### Compilation rules CUSTOM_RULE_LINK=1 %.elf: $(CPU_STARTFILES) %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a $(LDSCRIPT) $(TRACE_LD) $(Q)$(LD) $(LDFLAGS) ${filter-out $(LDSCRIPT) %.a,$^} ${filter %.a,$^} $(TARGET_LIBFILES) -o $@ %.hex: %.elf $(OBJCOPY) -O ihex $< $@ %.bin: %.elf $(OBJCOPY) $(OBJCOPY_FLAGS) $< $@ %.lst: %.elf $(OBJDUMP) $(OBJDUMP_FLAGS) $< > $@ ### We don't really need the .hex and .bin for the .$(TARGET) but let's make ### sure they get built %.$(TARGET): %.elf %.hex %.bin cp $< $@ ### This rule is used to generate the correct linker script LDGENFLAGS += $(addprefix -D,$(subst $(COMMA), ,$(DEFINES))) LDGENFLAGS += $(addprefix -I,$(SOURCEDIRS)) LDGENFLAGS += -imacros "contiki-conf.h" LDGENFLAGS += -x c -P -E # NB: Assumes LDSCRIPT was not overridden and is in $(OBJECTDIR) $(LDSCRIPT): $(SOURCE_LDSCRIPT) FORCE | $(OBJECTDIR) $(TRACE_CC) $(Q)$(CC) $(LDGENFLAGS) $< -o $@