osd-contiki/cpu/cc253x/Makefile.cc253x
Philippe Rétornaz 44bcabe89c cc253x: Change CFLAGS
This add -fomit-frame-pointer by default, it decrease sliglty the
stack usage when several function call are nested.
On some specific case 30 bytes could be saved on the stack.
2012-09-07 17:32:10 +01:00

211 lines
6.5 KiB
Makefile

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