Testing of u-root/u-root#508 (comment) works, outside of qemu bug whi…

…ch doesn't refresh qemu on top of qemu here. Would be nice if host's ttys0 was redirected to host calling qemu, but unrelated. Waiting for linuxboot#1403 to be tested on kvm and upgrading to debian-12 myself to see if bug resolved inside of qemu. Nice work there!

initrd/bin/Boot2ContainerPoC

@@ -0,0 +1,9 @@
+network-init-recovery
+rm -f /bin/wget
+echo "Downloading full linux kernel..."
+wget https://gitlab.freedesktop.org/mupuf/boot2container/-/releases/v0.9.9/downloads/linux-x86_64-full -O /tmp/linux-x86_64-full
+echo "Downloading initramfs..."
+wget https://gitlab.freedesktop.org/mupuf/boot2container/-/releases/v0.9.9/downloads/initramfs.linux_amd64.cpio.xz -O /tmp/initramfs.linux_amd64.cpio.xz
+echo "Preparing kexec...."
+kexec -d -l  /tmp/linux-x86_64-full --initrd=/tmp/initramfs.linux_amd64.cpio.xz --append='console=ttyS0 console=tty b2c.run="-ti docker.io/library/alpine:latest"'
+kexec -e