io386: tool wrapping around ioperm(2), iopl(2), outb(b), etc.

Introduction: A command line tool wrapping around ioperm(2) iopl(2) outb(2), etc.
Where it is needed: Designed for Linux-as-bootloader-payload schemes like Heads, in order to perform low-level IO operations, e.g. triggering SMIs.

https://github.com/hardenedlinux/io386