Initial commit

rules.mk

@@ -0,0 +1,51 @@
+# Chopstx make rules.
+
+CSRC += $(CHOPSTX)/entry.c $(CHOPSTX)/chopstx.c
+INCDIR = $(CHOPSTX)
+
+BUILDDIR = build
+OUTFILES = $(BUILDDIR)/$(PROJECT).elf $(BUILDDIR)/$(PROJECT).bin
+
+OPT += -ffunction-sections -fdata-sections -fno-common
+
+OBJS    = $(addprefix $(BUILDDIR)/, $(notdir $(CSRC:.c=.o)))
+
+IINCDIR   = $(patsubst %,-I%,$(INCDIR))
+LLIBDIR   = $(patsubst %,-L%,$(LIBDIR))
+
+VPATH     = $(sort $(dir $(CSRC)))
+###
+MCFLAGS   = -mcpu=$(MCU)
+
+CFLAGS    = $(MCFLAGS) $(OPT) $(CWARN) -Wa,-alms=$(BUILDDIR)/$(notdir $(<:.c=.lst)) $(DEFS)
+
+LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(BUILDDIR)/$(PROJECT).map,--cref,--no-warn-mismatch,--gc-sections $(LLIBDIR)
+
+CFLAGS   += -mthumb -mno-thumb-interwork -DTHUMB
+LDFLAGS  += -mthumb -mno-thumb-interwork
+
+CFLAGS   += -MD -MP -MF .dep/$(@F).d
+
+all: $(OBJS) $(OUTFILES)
+
+$(OBJS): | $(BUILDDIR)
+
+$(BUILDDIR):
+	mkdir -p $(BUILDDIR)
+
+$(OBJS) : $(BUILDDIR)/%.o : %.c Makefile
+	@echo
+	$(CC) -c $(CFLAGS) -I. $(IINCDIR) $< -o $@
+
+%.elf: $(OBJS) $(LDSCRIPT)
+	@echo
+	$(LD) $(OBJS) $(LDFLAGS) $(LIBS) -o $@
+
+%.bin: %.elf $(LDSCRIPT)
+	$(OBJCOPY) -O binary $< $@
+
+clean:
+	-rm -f -r .dep $(BUILDDIR)
+
+# Include dependency files.
+-include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*)