View source for UEFI

==Phases==
*SEC -- Security phase. Initialize CPU and create a stack in cache.
*PEI -- Pre-EFI-Initialization phase. Finish CPU initialization, initialize DRAM, determine boot type (cold, S4, S3)
*DXE -- Driver eXecution Environment phase. Load UEFI drivers from firmware.
*BDS -- Boot Device Selection. Determine boot disk and invoke bootloader.
==Speeding boot==
* Minimize UEFI drivers
* Don't load Int13h routines
* Initialize VBIOS without using Compatibility Software Module