cb075dec65
Those two warnings are optimisation-related * 110 warns that an always-false if branch has been optimised out * 126 warns about unreachable code which also gets optimised out In disabling those warnings, we make the build less cluttered
217 lines
6.7 KiB
Text
217 lines
6.7 KiB
Text
### Compiler definitions
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CC = sdcc
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LD = sdcc
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AS = sdcc
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AR = sdar
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OBJCOPY = objcopy
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STRIP = strip
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### Hex file conversions
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PACKIHX = packihx
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SREC_CAT = srec_cat
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SREC_FLAGS = -disable_sequence_warnings
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BANK_ALLOC = $(CONTIKI_CPU)/bank-alloc.py
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SEGMENT_RULES = $(OBJECTDIR)/segment.rules
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CFLAGS += --model-$(MEMORY_MODEL) --stack-auto --std-c99
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CFLAGS += -DCC2530_LAST_FLASH_BANK=$(HIGH_FLASH_BANK)
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CFLAGS += --fomit-frame-pointer
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### Disable warning 110 (EVELYN the modified dog) and 126 (unreachable code)
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CFLAGS += --disable-warning 110 --disable-warning 126
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LDFLAGS += --model-$(MEMORY_MODEL) --stack-auto --out-fmt-ihx
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LDFLAGS += --xram-loc 0x0000 --xram-size 0x1F00
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LDFLAGS += --code-loc $(START_ADDR) --code-size $(CODE_SIZE)
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ASFLAGS += -plosgff
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AROPTS = -rc
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### Our object files are .rel, so we can't use the default finalize dependency
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### generation. Override here.
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define FINALIZE_SDCC_DEPENDENCY
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cp $(@:.rel=.d) $(@:.rel=.$$$$); \
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sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
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-e '/^$$/ d' -e 's/$$/ :/' < $(@:.rel=.$$$$) >> $(@:.rel=.d); \
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rm -f $(@:.rel=.$$$$)
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endef
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### SoC flavor (F256, F128, F64, F32) as the ID of the last flash bank (0...7)
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### We assume F256, project Makefile can override
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###
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### ToDo:
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### Fix --code-size accordingly
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### Fix the bank allocator to play for all flavors
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ifndef HIGH_FLASH_BANK
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HIGH_FLASH_BANK=7
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endif
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### Banking Guesswork:
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### Generic examples do not specify banking.
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### We automatically turn it on if its unspecified and if we are building with
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### UIP_CONF_IPV6
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ifndef HAVE_BANKING
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ifeq ($(UIP_CONF_IPV6),1)
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HAVE_BANKING=1
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else
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HAVE_BANKING=0
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endif
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endif
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### Does the project want us to offset the firmware?
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### define start address and max code size accordingly
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ifeq ($(OFFSET_FIRMWARE),1)
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START_ADDR = 0x01000
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HOME_START = 00001000
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ifeq ($(HAVE_BANKING),1)
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CODE_SIZE = 0x3F000
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else
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CODE_SIZE = 0x0F000
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endif
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else
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START_ADDR = 0x00000
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HOME_START = 00000000
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ifeq ($(HAVE_BANKING),1)
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CODE_SIZE = 0x40000
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else
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CODE_SIZE = 0x10000
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endif
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endif
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### Are we building with BANKing supoprt?
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ifeq ($(HAVE_BANKING),1)
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## Yes
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MEMORY_MODEL=huge
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LDFLAGS += -Wl-r
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LD_PRE_FLAGS += -Wl-bBANK1=0x018000
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CFLAGS += -DHAVE_SDCC_BANKING
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#use this in $(call c_seg,$<) to get segment for a source file.
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c_seg = --codeseg $(shell python $(BANK_ALLOC) $1 $(SEGMENT_RULES) $2)
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else
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## No banking
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MEMORY_MODEL=large
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c_seg =
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endif
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### CPU-dependent cleanup files
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CLEAN += *.lnk *.lk *.sym *.lib *.ihx *.rel *.mem *.rst *.asm *.hex
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CLEAN += *.omf *.cdb *.banks *.flags *.banked-hex
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CLEAN += symbols.c symbols.h
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### CPU-dependent directories
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CONTIKI_CPU_DIRS = . dev
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### CPU-dependent source files
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CONTIKI_SOURCEFILES += soc.c clock.c stack.c
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CONTIKI_SOURCEFILES += uart0.c uart1.c uart-intr.c
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CONTIKI_SOURCEFILES += dma.c dma_intr.c
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CONTIKI_SOURCEFILES += cc2530-rf.c
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CONTIKI_SOURCEFILES += watchdog.c rtimer-arch.c
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CONTIKI_SOURCEFILES += port2-intr.c port2.c
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CONTIKI_ASMFILES +=
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include $(CONTIKI_CPU)/usb/Makefile.usb
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CONTIKI_SOURCEFILES += $(USB_SOURCEFILES)
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CONTIKI_ASMOBJECTFILES = $(addprefix $(OBJECTDIR)/,$(CONTIKI_ASMFILES:.S=.rel))
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CONTIKI_CASMOBJECTFILES = $(addprefix $(OBJECTDIR)/, \
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$(CONTIKI_CASMFILES:.cS=.rel))
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CONTIKI_PLATFORM_DIRS = $(PLATFORM_APPDIRS) \
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$(addprefix $(CONTIKI)/platform/$(TARGET)/, $(CONTIKI_TARGET_DIRS))
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CONTIKI_CPU_DIRS_LIST = $(addprefix $(CONTIKI_CPU)/, \
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$(CONTIKI_CPU_DIRS))
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oname = $(patsubst %.c,%.rel,$(patsubst %.S,%.rel,$(1)))
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CONTIKI_OBJECTFILES = $(addprefix $(OBJECTDIR)/, \
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$(call oname, $(CONTIKI_SOURCEFILES)))
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PROJECT_OBJECTFILES = $(addprefix $(OBJECTDIR)/, \
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$(call oname, $(PROJECT_SOURCEFILES)))
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### Compilation rules
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SEGMENT_RULE_FILES = $(foreach dir, . $(CONTIKI_PLATFORM_DIRS) \
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$(CONTIKI_CPU_DIRS_LIST), $(wildcard $(dir)/segment.rules) )
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# NB: Assumes SEGMENT_RULES was not overridden and is in $(OBJECTDIR)
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$(SEGMENT_RULES): $(SEGMENT_RULE_FILES) | $(OBJECTDIR)
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cat $(SEGMENT_RULE_FILES) | \
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sed -e 's/#.*$$//' -e 's/^\s*//' -e '/^$$/d' > $@
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CUSTOM_RULE_LINK=1
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CUSTOM_RULE_C_TO_OBJECTDIR_O=1
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CUSTOM_RULE_ALLOBJS_TO_TARGETLIB=1
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$(OBJECTDIR)/%.rel: %.c $(SEGMENT_RULES) | $(OBJECTDIR)
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$(TRACE_CC)
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$(Q)$(CC) $(call c_seg,$<,$@) $(CFLAGS) -c $< -o $@ -Wp,-MMD,$(@:.rel=.d),-MQ,$@
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@$(FINALIZE_SDCC_DEPENDENCY)
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contiki-$(TARGET).lib: $(CONTIKI_OBJECTFILES) $(PROJECT_OBJECTFILES) \
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$(CONTIKI_ASMOBJECTFILES) $(CONTIKI_CASMOBJECTFILES)
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rm -f $@
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for target in $^; do echo $$target >> $@; done
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.PRECIOUS: %.$(TARGET) %.hex
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# build app/example local object files. We need a separate rule so that we can
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# pass -DAUTOSTART_ENABLE for those files only
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$(OBJECTDIR)/%.app.rel: %.c $(SEGMENT_RULES) | $(OBJECTDIR)
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$(TRACE_CC)
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$(Q)$(CC) $(call c_seg,$<,$@) -DAUTOSTART_ENABLE $(CFLAGS) -c $< -o $@
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# .ihx is the sdcc binary output file
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ifeq ($(HAVE_BANKING),1)
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### Build bankable firmware
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%.ihx: $(OBJECTDIR)/%.app.rel $(CONTIKI_TARGET_MAIN) contiki-$(TARGET).lib
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@echo "\nFirst Link"
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@echo "==============="
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$(TRACE_LD)
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$(Q)$(CC) $(LDFLAGS) $(LD_PRE_FLAGS) -o $@ $(CONTIKI_TARGET_MAIN) $(OBJECTDIR)/$*.app.rel -llibsdcc.lib -lcontiki-$(TARGET).lib
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%.flags: %.ihx
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### Allocate modules to banks and relocate object files
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@echo "\nBank Allocation"
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@echo "==============="
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python $(BANK_ALLOC) $(basename $(@F)) $(SEGMENT_RULES) $(OFFSET_FIRMWARE)
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%.banked-hex: %.flags
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### Link again with new bank allocations
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@echo "\nFinal Link"
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@echo "==============="
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$(TRACE_LD)
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$(Q)$(LD) $(LDFLAGS) $(shell cat $<) -o $@ $(CONTIKI_TARGET_MAIN) $(OBJECTDIR)/$*.app.rel -llibsdcc.lib -lcontiki-$(TARGET).lib
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%.hex: %.banked-hex
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### Post-process the hex file for programmers which dislike SDCC output hex format
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$(eval BANKS := $(shell egrep '(^BANK[0-9])=' $(@:.hex=.map) | sed -e 's/BANK\([0-9]\).*/\1/' | uniq))
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$(eval FILES := $(addsuffix .hex,$(addprefix bank,$(BANKS))))
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@echo "\nPack hex file"
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@echo "==============="
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@for bank in $(BANKS); do \
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echo $(SREC_CAT) $(SREC_FLAGS) $(@:.hex=.banked-hex) -intel \
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-crop 0x"$$bank"8000 "0x"$$bank"FFFF" \
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-offset -$$((0x8000 * $$bank + 0x08000)) -o bank"$$bank".hex -intel; \
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$(SREC_CAT) $(SREC_FLAGS) $(@:.hex=.banked-hex) -intel \
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-crop 0x"$$bank"8000 "0x"$$bank"FFFF" \
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-offset -$$((0x8000 * $$bank + 0x08000)) -o bank"$$bank".hex -intel; \
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done
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$(SREC_CAT) $(SREC_FLAGS) $(@:.hex=.banked-hex) -intel -crop 0x00000 0x07FFF -o home.ihx -intel
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srec_cat home.ihx -intel $(foreach file,$(FILES),$(file) -intel) -o $@ -intel
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rm -f home.ihx $(FILES)
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else
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### Build non-banked firmware
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%.ihx: $(OBJECTDIR)/%.app.rel $(CONTIKI_TARGET_MAIN) contiki-$(TARGET).lib
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$(TRACE_LD)
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$(Q)$(LD) $(LDFLAGS) -o $@ $(CONTIKI_TARGET_MAIN) $(OBJECTDIR)/$*.app.rel -llibsdcc.lib -lcontiki-$(TARGET).lib
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%.hex: %.ihx
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$(PACKIHX) $< > $@
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endif
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