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018 CC=gcc
019 LD=ld
020 CFLAGS = -Wall -nostdinc -ffreestanding -DKERNEL_SOS
021 LIBGCC := $(shell $(CC) -print-libgcc-file-name)
022 LDFLAGS = --warn-common -nostdlib
023 OBJECTS = bootstrap/multiboot.o \
024 hwcore/idt.o hwcore/gdt.o \
025 hwcore/swintr.o hwcore/swintr_wrappers.o \
026 hwcore/exception.o hwcore/exception_wrappers.o \
027 hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o \
028 hwcore/paging.o \
029 hwcore/i8254.o drivers/x86_videomem.o drivers/bochs.o \
030 hwcore/cpu_context.o hwcore/cpu_context_switch.o \
031 hwcore/mm_context.o \
032 sos/kmem_vmm.o sos/kmem_slab.o sos/kmalloc.o \
033 sos/physmem.o sos/klibc.o \
034 sos/thread.o sos/kwaitq.o \
035 sos/time.o sos/sched.o sos/ksynch.o \
036 sos/process.o sos/syscall.o \
037 sos/assert.o sos/main.o sos/mouse_sim.o \
038 sos/uaccess.o sos/calcload.o \
039 userland/userprogs.kimg sos/test-art7.o
040
041 KERNEL_OBJ = sos.elf
042 MULTIBOOT_IMAGE = fd.img
043 PWD := $(shell pwd)
044
045
046 all: $(MULTIBOOT_IMAGE)
047
048 $(MULTIBOOT_IMAGE): $(KERNEL_OBJ)
049 ./support/build_image.sh $@ $<
050
051 $(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds
052 $(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS) $(LIBGCC)
053 -nm -C $@ | cut -d ' ' -f 1,3 > sos.map
054 size $@
055
056 -include .mkvars
057
058 # Create the userland programs to include in the kernel image
059 userland/userprogs.kimg: FORCE
060 $(MAKE) -C userland
061
062
063 %.o: %.c
064 $(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
065
066
067 %.o: %.S
068 $(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
069
070 FORCE:
071 @
072
073
074 clean:
075 $(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.map
076 $(RM) *.log *.out bochs*
077 $(RM) bootstrap/*.o bootstrap/*~
078 $(RM) drivers/*.o drivers/*~
079 $(RM) hwcore/*.o hwcore/*~
080 $(RM) sos/*.o sos/*~
081 $(RM) support/*~
082 $(RM) extra/*~
083 $(MAKE) -C userland clean