WARNING: Download the source code from releases please! Otherwise you will not have all the files!
If you cant unpack busyx.tar.gz then download initramfs.gz available in this repository.
You can get the latest linux bzImage here: https://kernel.org/
To compile new version of initramfs run:
make initramfs
To run Busyx in QEMU simply use the test script
./test
The prebuilt package for pacman can be seen in releases. When downloaded run:
pacman -U busyx-0.1-1-x86_64.pkg.tar.zst
busyx
The OS will start in QEMU immediately. Problem: You must be in the source code directory.