2019-02-09 12:52:45 -06:00
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PLAT=i386
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C_SOURCES = $(wildcard kernel/*.c drivers/$(PLAT)/*.c drivers/$(PLAT)/*/*.c libc/*.c cpu/$(PLAT)/*.c fs/*.c)
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OBJ = $(C_SOURCES:.c=.o $(shell cat psinfo/$(PLAT)/o.txt))
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CC = $(shell cat psinfo/$(PLAT)/cc.txt)
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GDB = $(shell cat psinfo/$(PLAT)/gdb.txt)
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2019-03-11 09:32:55 -05:00
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CFLAGS = -Ilibc -Wextra -Wall -Wno-unused-parameter -g -ffreestanding
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2019-02-09 12:52:45 -06:00
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QFLAGS = -m 2G -boot d -cdrom os.iso -serial vc #-chardev socket,id=s1,port=3000,host=localhost -serial chardev:s1
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all: os.iso
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run: os.iso
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qemu-system-i386 $(QFLAGS) -monitor stdio
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debug: os.iso kernel/kernel.elf
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qemu-system-i386 -s $(QFLAGS) &
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$(GDB) -ex "target remote localhost:1234" -ex "symbol-file kernel/kernel.elf"
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os.iso: kernel/kernel.elf initrd/*
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cp kernel/kernel.elf iso/boot
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ruby makeinitrd.rb initrd iso/boot/initrd
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grub-mkrescue -o $@ iso
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kernel/kernel.elf: $(OBJ)
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i386-elf-ld -T linker.ld -o $@ $^
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%.o: %.c h_files
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$(CC) $(CFLAGS) -c $< -o $@
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%.o: %.asm
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nasm $< -f elf -o $@
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%.o: %.s
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i386-elf-as $< -o $@
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h_files: cpu/$(PLAT)/memory.h
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rm -f cpu/memory.h
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cp cpu/$(PLAT)/memory.h cpu/memory.h
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clean:
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rm -rf $(OBJ) kernel/cstart.o cpu/memory.h os.iso */*.elf iso/boot/initrd.tar
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