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UEFI
From dankwiki
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
