60 lines
1.5 KiB
Makefile
60 lines
1.5 KiB
Makefile
GCCPARAMS = -m32 -fno-pie -nostdlib -fstrength-reduce -fomit-frame-pointer -finline-functions -fno-builtin -nostdinc -fno-stack-protector
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ASPARAMS = -f elf32
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LDPARAMS = -m elf_i386
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INCBULDNUM := sh make_buildnum.sh
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objects = obj/start.o \
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obj/kernel.o \
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obj/scrn.o \
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obj/gdt.o \
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obj/idt.o \
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obj/isrs.o \
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obj/irq.o \
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obj/timer.o \
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obj/kb.o \
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obj/shell.o \
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obj/memorymanager.o \
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obj/pci.o \
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obj/port.o \
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run:kernel.iso
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qemu-system-x86_64 -m 256M -cdrom kernel.iso &
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obj/%.o: src/%.c
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mkdir -p $(@D)
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gcc $(GCCPARAMS) -c -o $@ $<
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obj/%.o: src/%.asm
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mkdir -p $(@D)
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nasm $(ASPARAMS) -o $@ $<
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kernel.bin: linker.ld $(objects)
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#Crap way to increment the build number, but will do for now
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#thanks to my limited knowledge of Makefiles.
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sh make_buildnum.sh
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mkdir -p obj/bin
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ld $(LDPARAMS) -T $< -o obj/bin/$@ $(objects)
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kernel.iso: kernel.bin
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mkdir iso
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mkdir iso/boot
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mkdir iso/boot/grub
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cp obj/bin/kernel.bin iso/boot/kernel.bin
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echo 'set timeout=0' > iso/boot/grub/grub.cfg
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echo 'set default=0' >> iso/boot/grub/grub.cfg
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echo '' >> iso/boot/grub/grub.cfg
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echo 'menuentry "SDOS" {' >> iso/boot/grub/grub.cfg
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echo ' multiboot /boot/kernel.bin' >> iso/boot/grub/grub.cfg
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echo ' boot' >> iso/boot/grub/grub.cfg
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echo '}' >> iso/boot/grub/grub.cfg
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grub-mkrescue --output=kernel.iso iso
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rm -rf iso
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.PHONY: clean
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clean:
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rm -rf obj kernel.iso
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.PHONY: resetbuild
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resetbuild:
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echo 0 > build.number
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