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# only used for heap (malloc()).
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# only used for heap (malloc()).
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#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
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#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
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EXTMEMOPTS =
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EXTMEMOPTS =
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BIOSOPTS = -Wl,-L$(BIOSDIR),-Tdata,$(BIOS_RAM_END) -lbios
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BIOSOPTS = -Wl,-L$(BIOSDIR),-Tdata,$(BIOS_RAM_END)
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# Linker flags.
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# Linker flags.
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#  -Wl,...:     tell GCC to pass this to linker.
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#  -Wl,...:     tell GCC to pass this to linker.
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#    -Map:      create map file
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#    -Map:      create map file
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#    --cref:    add cross reference to  map file
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#    --cref:    add cross reference to  map file
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LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
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LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
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LDFLAGS += $(EXTMEMOPTS)
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LDFLAGS += $(EXTMEMOPTS)
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LDFLAGS += $(BIOSOPTS)
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LDFLAGS += $(BIOSOPTS)
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LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
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LDLIBS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
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LDLIBS += -lbios
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# ---------------------------------------------------------------------------
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# ---------------------------------------------------------------------------
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# Define programs and commands.
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# Define programs and commands.
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SHELL = sh
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SHELL = sh
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CC = avr-gcc
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CC = avr-gcc
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MSG_ASSEMBLING = Assembling:
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MSG_ASSEMBLING = Assembling:
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MSG_DEPEND = Generating dependencies:
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MSG_DEPEND = Generating dependencies:
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MSG_CLEANING = Cleaning project:
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MSG_CLEANING = Cleaning project:
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MSG_CREATE = Creating:
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MSG_CREATE = Creating:
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#First filter out all .a library files
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SOURCES_FILTER =
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# Define all object files.
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# Define all object files.
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#OBJ = $(filter %.o,$(SOURCES:.c=.o) $(SOURCES:.S=.o))
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#OBJ = $(filter %.o,$(SOURCES:.c=.o) $(SOURCES:.S=.o))
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OBJ = $(addsuffix .o,$(basename $(SOURCES)))
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OBJ = $(addsuffix .o,$(basename $(SOURCES)))
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# Define all listing files.
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# Define all listing files.
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# AVRs, making it impossible to override the .data placement with a
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# AVRs, making it impossible to override the .data placement with a
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# subsequent -Tdata option. Detect the broken case and re-run ld with the
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# subsequent -Tdata option. Detect the broken case and re-run ld with the
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# correct .data location substituted.
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# correct .data location substituted.
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%.elf: $(OBJ)
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%.elf: $(OBJ)
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	@echo $(MSG_LINKING) $@
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	@echo $(MSG_LINKING) $@
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	@eval $$($(CC) -v $(CFLAGS) -o $@ $^ $(LDFLAGS) 2>&1 | $(AWK) '{ if (gsub("0x800100","$(BIOS_RAM_END)") == 1) print }')
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	eval $$($(CC) -v $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS) 2>&1 | $(AWK) '{ if (gsub("0x800100","$(BIOS_RAM_END)") == 1) print }')
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#$(LDLIBS)
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# Compile: create object files from C source files.
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# Compile: create object files from C source files.
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%.o : %.c
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%.o : %.c
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	@echo $(MSG_COMPILING) $<
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	@echo $(MSG_COMPILING) $<
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	@$(CC) -c $(CFLAGS) $< -o $@
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	@$(CC) -c $(CFLAGS) $< -o $@