Makefile cleanup.
This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
This commit is contained in:
parent
be25b73b8e
commit
0a41939407
226
Makefile.include
226
Makefile.include
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@ -1,141 +1,123 @@
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# -*- makefile -*-
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# Hey Emacs, this is a -*- makefile -*-
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ifndef BOARD
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default: allboards
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else
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default: all
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endif
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.PHONY: default
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CROSS_COMPILE ?= arm-linux-
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LINKERSCRIPT ?= $(MC1322X)/mc1322x.lds
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LIBMC1322X ?= $(MC1322X)/lib
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include $(MC1322X)/config.mk
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include $(MC1322X)/board/Makefile.board
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include $(LIBMC1322X)/Makefile.lib
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CFLAGS += -I$(MC1322X)/src -I.
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ifdef TARGET_ROM_VARS
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START = $(MC1322X)/src/start-romvars.o
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endif
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# default start and isr
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ifndef START
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START = $(MC1322X)/src/start.o
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endif
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ifndef ISR
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ISR = $(MC1322X)/src/isr.o
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endif
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SRCOBJS += $(MC1322X)/src/default_lowlevel.o $(ISR) $(START)
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BOARDOBJS := $(addprefix $(OBJDIR)/,$(COBJS))
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ARCH = arm
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CPU = arm7tdmi-s
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export ARCH CPU VENDOR
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# Set up a default target in case the user didn't already have one.
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# "all" means to build .bin for all defined targets for the currently-defined board
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all: $(addsuffix _$(BOARD).bin, $(TARGETS) $(TARGETS_ROMVARS))
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.PHONY: all
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# Don't delete intermediate targets
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.SECONDARY:
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### See http://make.paulandlesley.org/autodep.html#advanced
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ifdef BOARD
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-include ${addprefix $(OBJDIR)/,$(addsuffix .d,$(TARGETS))}
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endif
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#####
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# Tools and flags
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define FINALIZE_DEPENDENCY
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cp $(@:.o=.d) $(@:.o=.$$$$); \
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sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
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-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.$$$$) >> $(@:.o=.d); \
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rm -f $(@:.o=.$$$$)
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# Set up cross compiler and toolchain definitions.
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CROSS_COMPILE ?= arm-linux-
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AS = $(CROSS_COMPILE)as
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LD = $(CROSS_COMPILE)ld
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CC = $(CROSS_COMPILE)gcc
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CPP = $(CC) -E
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AR = $(CROSS_COMPILE)ar
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NM = $(CROSS_COMPILE)nm
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STRIP = $(CROSS_COMPILE)strip
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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RANLIB = $(CROSS_COMPILE)ranlib
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# Build CFLAGS and prepend it to user-supplied CFLAGS
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CFLAGS_PLAT ?= -march=armv4t -mtune=arm7tdmi-s -mlong-calls -msoft-float \
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-mthumb-interwork -fno-strict-aliasing -fno-common -ffixed-r8 \
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-ffunction-sections -ffreestanding -fno-builtin
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CFLAGS_WARN ?= -Wcast-align -Wall -Wstrict-prototypes -Wextra
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CFLAGS_OPT ?= -Os
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CFLAGS_DEBUG ?= -g -DDEBUG -Werror
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CFLAGS_MISC ?= -pipe
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CFLAGS := $(CFLAGS_PLAT) $(CFLAGS_WARN) $(CFLAGS_OPT) $(CFLAGS_DEBUG) $(CFLAGS_MISC) $(CFLAGS)
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# Thumb flags, used for building most objects
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CFLAGS_THUMB ?= -mthumb -mcallee-super-interworking
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# Linker flags
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LINKERSCRIPT ?= $(MC1322X)/mc1322x.lds
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LDFLAGS ?= -T $(LINKERSCRIPT) -nostartfiles -static -export-dynamic -Wl,-Map=$(@:.elf=.map)
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# Assembler flags
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AFLAGS ?= -Wa,-gstabs $(CFLAGS)
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# Misc tool options
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OBJCOPYFLAGS ?= --gap-fill=0xff
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#####
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include $(MC1322X)/board/Makefile.board
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include $(MC1322X)/lib/Makefile.lib
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include $(MC1322X)/src/Makefile.src
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#####
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# Rule for building ELF files. We generate both a wildcard rule
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# that links $(SRCLIB) as well as target-specific rules that link $(SRCLIB_ROMVARS)
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define build_elf_rule
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$(1)_$$(BOARD).elf: $$(OBJDIR)/$(1).o $$(OBJDIR)/board.a $$(MC1322X)/lib/libmc1322x.a $(2)
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$$(CC) $$(LDFLAGS) -o $$@ -Wl,--start-group $$^ -lm -Wl,--end-group
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endef
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# Targets that need space for rom variables:
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$(foreach t, $(TARGETS_ROMVARS), $(eval $(call build_elf_rule,$(t),$(SRCLIB_ROMVARS))))
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# All other targets (wildcard rule):
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$(eval $(call build_elf_rule,%,$(SRCLIB_ROMVARS)))
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$(START): $(START:.o=.s)
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$(CC) $(AFLAGS) -c -o $@ $<
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$(MC1322X)/src/start-romvars.s: $(MC1322X)/src/start.S
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$(CPP) $(AFLAGS) -DUSE_INTS -DUSE_ROM_VECTS -DUSE_ROM_VARS -o $@ $<
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$(MC1322X)/src/start-romvects.s: $(MC1322X)/src/start.S
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$(CPP) $(AFLAGS) -DUSE_INTS -DUSE_ROM_VECTS -o $@ $<
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# Generic rules
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%.srec: %.elf
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$(OBJCOPY) $(OBJCOPYFLAGS) -O srec $< $@
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$(ISR): $(ISR:.o=.c)
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$(CC) $(CFLAGS) $(ARM_FLAGS) -MMD $< -c -o $@
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%.ihex: %.elf
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$(OBJCOPY) $(OBJCOPYFLAGS) -O ihex $< $@
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%.bin: %.elf
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$(OBJCOPY) $(OBJCOPYFLAGS) -O binary $< $@
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%.dis: %.elf
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$(OBJDUMP) -Sd $< > $@ || rm -f $@
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%.o: %.c
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$(CC) $(CFLAGS) $(CFLAGS_THUMB) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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ifdef COBJS
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BOARDARCS := $(OBJDIR)/board.a(${filter $(OBJDIR)/%.o,$(BOARDOBJS)})
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endif
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empty-board-a:
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$(AR) $(ARFLAGS) $(OBJDIR)/board.a
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.PHONY: empty-board-a
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$(OBJDIR)/board.a: empty-board-a $(BOARDARCS) $(BOARDOBJS)
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$(MC1322X)/src/src.a: $(MC1322X)/src/src.a($(SRCOBJS))
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%_$(BOARD).elf: $(OBJDIR)/%.o $(START) $(ISR) $(SRCOBJS) $(LINKERSCRIPT) $(LIBMC1322X)/libmc1322x.a $(OBJDIR)/board.a $(MC1322X)/src/src.a
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$(CC) $(LDFLAGS) \
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-L $(LIBMC1322X) -L $(MC1322X)/src -L $(OBJDIR) $< -o $@ $(START) $(MC1322X)/src/src.a --start-group $(OBJDIR)/board.a $(LIBMC1322X)/libmc1322x.a -lm --end-group
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%.srec: %.elf
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$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
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%.ihex: %.elf
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$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
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%.bin: %.elf
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$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
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%.dis: %.elf
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$(OBJDUMP) -SD $< > $@
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%.s: %.S
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$(CPP) $(AFLAGS) -o $@ $<
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%.o: %.S
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$(CC) $(AFLAGS) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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%.o: %.c
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$(CC) $(CFLAGS) $(THUMB_FLAGS) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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$(OBJDIR)/%.s: %.S
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$(CPP) $(AFLAGS) -o $@ $<
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$(OBJDIR)/%.o: %.S
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$(CC) $(AFLAGS) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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$(OBJDIR)/%.o: %.c
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$(CC) $(CFLAGS) $(THUMB_FLAGS) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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# Fix the dependencies generated for a particular target .o
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# See http://make.paulandlesley.org/autodep.html#advanced
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define FINALIZE_DEPENDENCY
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cp $(@:.o=.d) $(@:.o=.$$$$); \
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sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
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-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.$$$$) >> $(@:.o=.d); \
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rm -f $(@:.o=.$$$$)
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endef
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clean:
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find $(MC1322X) \
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\( -name 'core' -o -name '*.bak' -o -name '*~' \
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-o -name '*.o' -o -name '*.a' -o -name '*.obj' -o -name '*.elf' -o -name '*.s' -o -name '*.map' \
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-o -name 'obj_*_board' -o -name '.depend' -o -name '*.bin' -o -name '*.dis' -o -name '*.d' -o -name '*.srec' \) -print \
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| xargs rm -rf
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rm -fr *.*~
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find \
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\( -name 'core' -o -name '*.bak' -o -name '*~' \
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-o -name '*.o' -o -name '*.a' -o -name '*.obj' -o -name '*.elf' -o -name '*.s' -o -name '*.map' \
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-o -name 'obj_*_board' -o -name '.depend' -o -name '*.bin' -o -name '*.dis' -o -name '*.d' -o -name '*.srec' \) -print \
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| xargs rm -rf
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rm -fr *.*~
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make -C $(MC1322X)/tools/ftditools/ clean
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clobber \
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mrproper \
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distclean: clean
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clean::
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rm -f *.{o,d,a,bin,elf,ihex,srec,dis,map,bak} *~
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rm -rf obj_*
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.PHONY: clean clobber mrproper distclean
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.PHONY: clean
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all: $(OBJDIR)/board.h
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-git submodule update
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for target in $(TARGETS); do make $$target\_$(BOARD).bin; done
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for target in $(TARGETS_WITH_ROM_VARS); do make TARGET_ROM_VARS=1 $$target\_$(BOARD).bin; done
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allboards:
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for board in $(BOARDS); do make BOARD=$$board all; done
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.PHONY: all allboards
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##############################
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# If no single board was specified, invoke make recursively for each
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# board in $(BOARDS), or $(ALL_BOARDS) if that wasn't specified either.
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# This is at the end so that it can override all other targets.
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ifndef BOARD
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ifneq ($(MAKECMDGOALS),clean)
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.DEFAULT_GOAL=mc1322x-default
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BOARDS ?= $(ALL_BOARDS)
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define build_board
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@echo "Building for board: $(1)"
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@$(MAKE) --no-print-directory BOARD=$(1) $(2)
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endef
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$(MAKECMDGOALS):
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$(foreach b, $(BOARDS), $(call build_board,$(b),$@))
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mc1322x-default:
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$(foreach b, $(BOARDS), $(call build_board,$(b),))
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endif
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endif
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@ -1,20 +1,31 @@
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# -*- makefile -*-
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BOARDS := redbee-dev redbee-r1 redbee-usb redbee-econotag quahogcon freescale-ncb
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ALL_BOARDS = redbee-dev redbee-r1 redbee-usb redbee-econotag quahogcon freescale-ncb
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OBJDIR := obj_$(BOARD)_board
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OBJDIR = obj_$(BOARD)
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CFLAGS += -I$(OBJDIR) -I$(MC1322X)/board -DBOARD=$(BOARD)
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$(OBJDIR):
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ifndef BOARD
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${warning BOARD not defined}
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${warning echo "make BOARD=foo"}
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${warning "boards: $(BOARDS)"}
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${error you must define BOARD}
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# Create directory and board.h include
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$(OBJDIR)/board.h:
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mkdir -p $(OBJDIR)
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echo '/* This file was automatically generated */' > $(OBJDIR)/board.h
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echo '#include "$(BOARD).h"' >> $(OBJDIR)/board.h
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# $(OBJDIR)/board.a contains all the objects defined in COBJS
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$(OBJDIR)/board.a: $(OBJDIR)/board.h $(OBJDIR)/board.a($(addprefix $(OBJDIR)/, $(COBJS)))
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# And is built from files in the parent directory
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$(OBJDIR)/%.o: %.c $(OBJDIR)/board.h
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$(CC) $(CFLAGS) $(CFLAGS_THUMB) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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$(OBJDIR)/%.o: %.S $(OBJDIR)/board.h
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$(CC) $(AFLAGS) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(wildcard $(OBJDIR)/*.d)
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endif
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@echo "setup object directory for dev board"
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mkdir $(OBJDIR)
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$(OBJDIR)/board.h: $(OBJDIR)
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ln -sf ../$(MC1322X)/board/$(BOARD).h $(OBJDIR)/board.h
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clean::
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rm -rf obj_*
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@ -1,8 +1,15 @@
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# -*- makefile -*-
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# Hey Emacs, this is a -*- makefile -*-
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CFLAGS += -I$(LIBMC1322X)/include
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CFLAGS += -I$(MC1322X)/lib/include
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LIBOBJS = $(patsubst %.c,%.o,$(wildcard $(LIBMC1322X)/*.c))
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# By default, link all objects
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LIBOBJS ?= $(patsubst %.c,%.o,$(wildcard $(MC1322X)/lib/*.c))
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$(LIBMC1322X)/libmc1322x.a: $(LIBOBJS)
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$(AR) rcs $(LIBMC1322X)/libmc1322x.a $(LIBOBJS)
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$(MC1322X)/lib/libmc1322x.a: $(MC1322X)/lib/libmc1322x.a($(LIBOBJS))
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ifneq ($(MAKECMDGOALS),clean)
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-include $(wildcard $(MC1322X)/lib/*.d)
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endif
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clean::
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rm -f $(MC1322X)/lib/*.{o,d,a}
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@ -0,0 +1,33 @@
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# Hey Emacs, this is a -*- makefile -*-
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CFLAGS += -I$(MC1322X)/src
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ISR ?= $(MC1322X)/src/isr.o
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SRC_OBJS += $(MC1322X)/src/default_lowlevel.o $(ISR)
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# Two libraries, one with ROM variable space reserved, one without
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START_ROMVARS ?= $(MC1322X)/src/start-romvars.o
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SRCLIB_ROMVARS = $(MC1322X)/src/src-romvars.a
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$(SRCLIB_ROMVARS): $(SRCLIB_ROMVARS)($(SRC_OBJS) $(START_ROMVARS))
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START ?= $(MC1322X)/src/start.o
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SRCLIB = $(MC1322X)/src/src.a
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$(SRCLIB): $(SRCLIB)($(SRC_OBJS) $(START))
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# ISR is built without thumb
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$(ISR): $(ISR:.o=.c)
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$(CC) $(CFLAGS) -MMD -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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# start-romvars.o is built from start.S with the right flags
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$(MC1322X)/src/start-romvars.o: $(MC1322X)/src/start.S
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$(CC) $(AFLAGS) -MMD -DUSE_ROM_VARS -c -o $@ $<
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@$(FINALIZE_DEPENDENCY)
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ifneq ($(MAKECMDGOALS),clean)
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-include $(wildcard $(MC1322X)/src/*.d)
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endif
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clean::
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rm -f $(MC1322X)/src/*.{o,d,a}
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@ -34,7 +34,6 @@
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*/
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#include <mc1322x.h>
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#include <types.h>
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void default_vreg_init(void) {
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volatile uint32_t i;
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Loading…
Reference in New Issue