Use the CM3 common Makefile to build CC13xx/CC26xx-based platforms

arch/cpu/cc26xx-cc13xx/Makefile.cc26xx-cc13xx

@@ -1,13 +1,3 @@
-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
-SIZE    = arm-none-eabi-size
-SREC_CAT = srec_cat
-
 CPU_ABS_PATH       = arch/cpu/cc26xx-cc13xx
 TI_XXWARE = $(CONTIKI_CPU)/$(TI_XXWARE_PATH)
 
@@ -29,44 +19,14 @@ MODULES += $(TI_XXWARE_SRC)
 
 LDSCRIPT = $(CONTIKI_CPU)/cc26xx.ld
 
-CFLAGS += -mcpu=cortex-m3 -mthumb -mlittle-endian
-CFLAGS += -ffunction-sections -fdata-sections
-CFLAGS += -fshort-enums -fomit-frame-pointer -fno-strict-aliasing
-CFLAGS += -Wall -std=c99 -DCMSIS_DEV_HDR=\"cc13x0-cc26x0-cm3.h\"
-
-LDFLAGS += -mcpu=cortex-m3 -mthumb -mlittle-endian -nostartfiles
-LDFLAGS += -T $(LDSCRIPT)
-LDFLAGS += -Wl,--gc-sections,--sort-section=alignment
-LDFLAGS += -Wl,-Map=$(@:.elf=-$(TARGET).map),--cref,--no-warn-mismatch
-OBJCOPY_FLAGS += -O binary --gap-fill 0xff
-OBJDUMP_FLAGS += --disassemble --source --disassembler-options=force-thumb
-
-ifeq ($(WERROR),1)
-CFLAGS += -Werror
-endif
-
-### Are we building with code size optimisations?
-SMALL ?= 1
-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 += *.d *.elf *.hex
-
 ### CPU-dependent directories
 CONTIKI_CPU_DIRS += . dev rf-core rf-core/api $(TI_XXWARE_STARTUP_DIR)
 
-### Use CMSIS and the existing debug I/O in arch/cpu/arm/common
-CONTIKI_CPU_DIRS += ../arm/common/dbg-io ../arm/common/CMSIS
-
 ### CPU-dependent source files
 CONTIKI_CPU_SOURCEFILES += clock.c rtimer-arch.c soc-rtc.c uart.c
 CONTIKI_CPU_SOURCEFILES += contiki-watchdog.c aux-ctrl.c
@@ -80,8 +40,7 @@ DEBUG_IO_SOURCEFILES += dbg-printf.c dbg-snprintf.c dbg-sprintf.c strformat.c
 
 CONTIKI_SOURCEFILES += $(CONTIKI_CPU_SOURCEFILES) $(DEBUG_IO_SOURCEFILES)
 
-TARGET_START_SOURCEFILES += fault-handlers.c $(TI_XXWARE_STARTUP_SRCS)
-TARGET_STARTFILES = $(addprefix $(OBJECTDIR)/,$(call oname, $(TARGET_START_SOURCEFILES)))
+CPU_START_SOURCEFILES += fault-handlers.c $(TI_XXWARE_STARTUP_SRCS)
 
 PYTHON = python
 BSL_FLAGS += -e -w -v
@@ -92,9 +51,6 @@ endif
 
 BSL = $(CONTIKI)/tools/cc2538-bsl/cc2538-bsl.py
 
-### 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:
 
@@ -108,30 +64,6 @@ $(OBJECTDIR)/ccfg.o: ccfg.c FORCE | $(OBJECTDIR)
 	$(TRACE_CC)
 	$(Q)$(CC) $(CFLAGS) -include "ccxxware-conf.h" -c $< -o $@
 
-### Compilation rules
-CUSTOM_RULE_LINK=1
-
-%.elf: $(TARGET_STARTFILES) %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) contiki-$(TARGET).a $(LDSCRIPT)
-	$(TRACE_LD)
-	$(Q)$(LD) $(LDFLAGS) ${filter-out $(LDSCRIPT) %.a,$^} ${filter %.a,$^} $(TARGET_LIBFILES) -lm -o $@
-
-%.i16hex: %.elf
-	$(OBJCOPY) -O ihex $< $@
-
-%.hex: %.i16hex
-	$(SREC_CAT) $< -intel -o $@ -intel
-
-%.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 $< $@
-
 # a target that gives a user-friendly memory profile, taking into account the RAM
 # that is statically occupied by the stack as defined in the linker script
 # see $(LDSCRIPT)
@@ -170,3 +102,5 @@ UART_BAUDRATE = 115200
 
 login:
 	$(SERIALDUMP) -b$(UART_BAUDRATE) $(PORT)
+
+include $(CONTIKI)/arch/cpu/arm/cortex-m/cm3/Makefile.cm3