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Use the CM3 common Makefile to build CC2538-based platforms

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This commit is contained in:
George Oikonomou 2017-11-26 21:15:05 +00:00
parent e458240200
commit 64c310bf2a
1 changed files with 5 additions and 69 deletions
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74
arch/cpu/cc2538/Makefile.cc2538
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@ -1,52 +1,17 @@
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 -DCMSIS_DEV_HDR=\"cc2538_cm3.h\"
LDFLAGS += -mcpu=cortex-m3 -mthumb -nostartfiles
LDFLAGS += -T $(LDSCRIPT)
LDFLAGS += -Wl,--gc-sections,--sort-section=alignment
LDFLAGS += -Wl,-Map=$(@:.elf=-$(TARGET).map),--cref,--no-warn-mismatch
OBJCOPY_FLAGS += -O binary --gap-fill 0xff
OBJDUMP_FLAGS += --disassemble --source --disassembler-options=force-thumb
ifeq ($(WERROR),1)
CFLAGS += -Werror
endif
### Are we building with code size optimisations?
SMALL ?= 1
ifeq ($(SMALL),1)
CFLAGS += -Os
else
CFLAGS += -O2
endif
CFLAGS += -DCMSIS_DEV_HDR=\"cc2538_cm3.h\"
### If the user-specified a Node ID, pass a define
ifdef NODEID
CFLAGS += -DIEEE_ADDR_NODE_ID=$(NODEID)
endif
### CPU-dependent cleanup files
CLEAN += *.d *.elf *.hex
### CPU-dependent directories
CONTIKI_CPU_DIRS = ../arm/common/CMSIS . dev usb usb/common usb/common/cdc-acm
### Use the existing debug I/O in arch/cpu/arm/common
CONTIKI_CPU_DIRS += ../arm/common/dbg-io
CONTIKI_CPU_DIRS = . dev usb usb/common usb/common/cdc-acm
### CPU-dependent source files
CONTIKI_CPU_SOURCEFILES += soc.c clock.c rtimer-arch.c uart.c watchdog.c
@ -66,23 +31,13 @@ DEBUG_IO_SOURCEFILES += dbg-printf.c dbg-snprintf.c dbg-sprintf.c strformat.c
USB_SOURCEFILES += usb-core.c cdc-acm.c 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)}}
CPU_START_SOURCEFILES = startup-gcc.c
CONTIKI_SOURCEFILES += $(CONTIKI_CPU_SOURCEFILES) $(DEBUG_IO_SOURCEFILES)
CONTIKI_SOURCEFILES += $(USB_SOURCEFILES)
MODULES += os/lib/newlib
.SECONDEXPANSION:
### 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:
@ -90,27 +45,6 @@ $(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) $$(CONTIKI_OBJECTFILES) %.co $(PROJECT_OBJECTFILES) $(PROJECT_LIBRARIES) $(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 += $(CFLAGS)
LDGENFLAGS += -imacros "contiki-conf.h" -imacros "dev/cc2538-dev.h"
@ -121,3 +55,5 @@ LDGENFLAGS += -x c -P -E
$(LDSCRIPT): $(SOURCE_LDSCRIPT) FORCE | $(OBJECTDIR)
$(TRACE_CC)
$(Q)$(CC) $(LDGENFLAGS) $< | grep -v '^\s*#\s*pragma\>' > $@
include $(CONTIKI)/arch/cpu/arm/cortex-m/cm3/Makefile.cm3