It looks like they borrowed the code from Intel. It's the code from Volume 3 9.10 "INITIALIZATION AND MODE SWITCHING EXAMPLE": https://github.com/cirosantilli/

It looks like they borrowed the code from Intel. It's the code from Volume 3 9.10 "INITIALIZATION AND MODE SWITCHING EXAMPLE": https://github.com/cirosantilli/x86-bare-metal-examples/blob/master/intel-protected/startup.asm https://github.com/cirosantilli/x86-bare-metal-examples/blob...