initial commit

Makefile

@@ -0,0 +1,43 @@
+load = 0xa0000000
+
+CXXFLAGS = -Wno-unused-parameter -fno-strict-aliasing -fno-builtin -nostdinc
+CPPFLAGS = -O5 -Wa,-mips32
+CROSS = mipsel-linux-gnu-
+CC = $(CROSS)gcc
+LD = $(CROSS)ld
+OBJCOPY = $(CROSS)objcopy
+OBJDUMP = $(CROSS)objdump
+
+BUILT_SOURCES = interrupts.cc panic.cc data.cc test.cc
+
+PYPP = /usr/bin/pypp
+%.cc: %.ccp kernel.hh
+	$(PYPP) --name $< < $< > $@
+%.hh: %.hhp
+	$(PYPP) --name $< < $< > $@
+
+# Transform ':' into ';' so vim doesn't think there are errors.
+uimage: all.raw.gz Makefile
+	mkimage -A MIPS -O Linux -C gzip -a $(load) -e 0x$(shell /bin/sh -c '$(OBJDUMP) -t all | grep __start$$ | cut -b-8') -n "Shevek's kernel" -d $< $@ | sed -e 's/:/;/g'
+
+%.o:%.cc Makefile kernel.hh
+	$(CC) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
+
+%.o:%.S Makefile
+	$(CC) $(CPPFLAGS) -DKERNEL_STACK_SIZE=0x2000 -c $< -o $@
+
+# entry.o must be the first file.  For the rest, the order doesn't matter.
+all: entry.o $(subst .cc,.o,$(BUILT_SOURCES))
+	$(LD) --omagic -Ttext $(load) $^ -o $@
+
+junk = mdebug.abi32 reginfo comment pdr
+%.raw: %
+	$(OBJCOPY) -S $(addprefix --remove-section=.,$(junk)) -Obinary $< $@
+
+%.gz: %
+	gzip < $< > $@
+
+clean:
+	rm -f all uimage *.o all.raw.gz
+
+.PHONY: clean