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CC := gcc
LD := ld
# Linker should relocate monitor to this address
MONITOR_BASE := 0xE0100000
CFLAGS := -fno-builtin -O3 -Wall -Ih/
TARGET := mini-os
LOBJS:= lib/malloc.o lib/math.o lib/printf.o lib/string.o
OBJS := entry.o kernel.o traps.o hypervisor.o mm.o events.o time.o ${LOBJS}
HINTF := h/hypervisor-ifs/hypervisor-if.h
HDRS := h/os.h h/types.h h/hypervisor.h h/mm.h h/events.h h/time.h h/lib.h $(HINTF)
default: $(TARGET)
hypervisor-ifs:
ln -sf ../../../xen/include/hypervisor-ifs h/hypervisor-ifs
$(TARGET): hypervisor-ifs head.o $(OBJS)
# Image will load at 0xC0000000. First bytes from head.o
#$(LD) -N -Ttext 0xC0000000 head.o $(OBJS) -o $@.elf
$(LD) -N -T vmlinux.lds head.o $(OBJS) -o $@.elf
# Guest OS header -- first 8 bytes are identifier 'XenoGues'.
echo -e -n 'XenoGues' >$@
# Guest OS header -- next 4 bytes are load address (0xC0000000).
echo -e -n '\000\000\000\300' >>$@
# Create a raw bag of bytes from the ELF image.
objcopy -O binary -R .note -R .comment $@.elf $@.raw
# Guest OS header is immediately followed by raw OS image.
cat $@.raw >>$@
gzip -f -9 -c $@ >$@.gz
clean:
find . -type f -name '*.o' | xargs rm -f
rm -f *.o *~ core $(TARGET).elf $(TARGET).raw $(TARGET) $(TARGET).gz
%.o: %.c $(HDRS) Makefile
$(CC) $(CFLAGS) -c $< -o $@
%.o: %.S $(HDRS) Makefile
$(CC) $(CFLAGS) -D__ASSEMBLY__ -c $< -o $@
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