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| LINUX := linux | |
| BUSYBOX := busybox | |
| default: kernel.img rootfs.img | |
| run: kernel.img rootfs.img | |
| qemu-system-x86_64 -kernel kernel.img -append "root=/dev/ram rdinit=/sbin/init" -initrd rootfs.img -net nic,model=e1000 -net user | |
| debug: kernel.img rootfs.img | |
| qemu-system-x86_64 -kernel kernel.img -append "root=/dev/ram rdinit=/sbin/init kgdboc=ttyS0,115200 kgdbwait" -initrd rootfs.img -net nic,model=e1000 -net user -serial tcp::1234,server & | |
| TMPFILE=$$(mktemp) && echo "target remote localhost:1234" > $$TMPFILE && gdb -x $$TMPFILE $(LINUX)/vmlinux | |
| clean: | |
| rm -f kernel.img rootfs.img | |
| update: $(LINUX)/.config $(BUSYBOX)/.config | |
| yes "" | make -C $(LINUX) oldconfig | |
| yes "" | make -C $(BUSYBOX) oldconfig | |
| kernel.img: $(LINUX)/.config | |
| make -C $(LINUX) bzImage -j4 | |
| cp $(LINUX)/arch/x86/boot/bzImage $@ | |
| rootfs.img: $(BUSYBOX)/.config | |
| make -C $(BUSYBOX) install -j4 | |
| ./mkrootfs $@ | |
| install $(LINUX)/.config $(BUSYBOX)/.config: | |
| ./install | |
| .PHONY: default run debug clean update install |