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45 lines
1.2 KiB
45 lines
1.2 KiB
CC=gcc
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CFLAGS = -Wall -nostdlib -nostdinc -ffreestanding -DKERNEL_SOS \
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-m32 -fno-asynchronous-unwind-tables -fno-stack-protector
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LDFLAGS = --warn-common -m elf_i386
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OBJECTS = bootstrap/multiboot.o \
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hwcore/idt.o hwcore/gdt.o \
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hwcore/exception.o hwcore/exception_wrappers.o \
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hwcore/irq.o hwcore/irq_wrappers.o hwcore/i8259.o \
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hwcore/i8254.o drivers/x86_videomem.o drivers/bochs.o \
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sos/klibc.o sos/main.o
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KERNEL_OBJ = sos.elf
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MULTIBOOT_IMAGE = fd.img
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PWD := $(shell pwd)
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# Main target
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all: $(MULTIBOOT_IMAGE)
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$(MULTIBOOT_IMAGE): $(KERNEL_OBJ)
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./support/build_image.sh $@ $<
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$(KERNEL_OBJ): $(OBJECTS) ./support/sos.lds
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$(LD) $(LDFLAGS) -T ./support/sos.lds -o $@ $(OBJECTS)
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-nm -C $@ | cut -d ' ' -f 1,3 > sos.map
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-include .mkvars
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# Create objects from C source code
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%.o: %.c
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$(CC) -I$(PWD) -c $< $(CFLAGS) -o $@
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# Create objects from assembler (.S) source code
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%.o: %.S
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$(CC) -I$(PWD) -c $< $(CFLAGS) -DASM_SOURCE=1 -o $@
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# Clean directory
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clean:
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$(RM) *.img *.o mtoolsrc *~ menu.txt *.img *.elf *.bin *.map
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$(RM) *.log *.out bochs*
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$(RM) bootstrap/*.o bootstrap/*~
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$(RM) drivers/*.o drivers/*~
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$(RM) hwcore/*.o hwcore/*~
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$(RM) sos/*.o sos/*~
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$(RM) support/*~
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$(RM) extra/*~
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