osd-contiki/cpu/cc2538/Makefile.cc2538

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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 += cc2538-rf.c udma.c lpm.c
CONTIKI_CPU_SOURCEFILES += dbg.c ieee-addr.c
CONTIKI_CPU_SOURCEFILES += slip-arch.c slip.c
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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
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 | $(OBJECTDIR)
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$(TRACE_CC)
$(Q)$(CC) $(CFLAGS) -c $< -o $@
### Compilation rules
CUSTOM_RULE_LINK=1
%.elf: $(TARGET_STARTFILES) %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a $(LDSCRIPT)
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$(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"
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LDGENFLAGS += -x c -P -E
# NB: Assumes LDSCRIPT was not overridden and is in $(OBJECTDIR)
$(LDSCRIPT): $(SOURCE_LDSCRIPT) FORCE | $(OBJECTDIR)
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$(TRACE_CC)
$(Q)$(CC) $(LDGENFLAGS) $< -o $@