Intel Extensible Firmware Interface - Manual (Page 10)

Extensible Firmware Interface Specification
x 12/01/02 Version 1.10
10 Protocols — Console Support
10.1 Console I/O Protocol ......................................................................................... 10-1
10.1.1 Overview .................................................................................................. 10-1
10.1.2 ConsoleIn Definition ................................................................................. 10-2
10.2 Simple Input Protocol ........................................................................................ 10-4
SIMPLE_INPUT ............................................................................................. 10-4
SIMPLE_INPUT.Reset() .............................................................................. 10-5
SIMPLE_INPUT.ReadKeyStroke()............................................................... 10-6
10.2.1 ConsoleOut or StandardError................................................................... 10-8
10.3 Simple Text Output Protocol ............................................................................. 10-8
SIMPLE_TEXT_OUTPUT Protocol ................................................................ 10-8
SIMPLE_TEXT_OUTPUT.Reset() ............................................................. 10-11
SIMPLE_TEXT_OUTPUT.OutputString()................................................... 10-12
SIMPLE_TEXT_OUTPUT.TestString() ...................................................... 10-16
SIMPLE_TEXT_OUTPUT.QueryMode() .................................................... 10-17
SIMPLE_TEXT_OUTPUT.SetMode() ........................................................ 10-18
SIMPLE_TEXT_OUTPUT.SetAttribute() .................................................... 10-19
SIMPLE_TEXT_OUTPUT.ClearScreen() ................................................... 10-21
SIMPLE_TEXT_OUTPUT.SetCursorPosition() .......................................... 10-22
SIMPLE_TEXT_OUTPUT.EnableCursor() ................................................. 10-23
10.4 Universal Graphics Adapter Protocols............................................................. 10-24
10.4.1 UGA ROM .............................................................................................. 10-24
10.4.2 UGA Draw Protocol ................................................................................ 10-25
10.4.3 Blt Buffer ................................................................................................ 10-25
10.4.4 UGA I/O Protocol.................................................................................... 10-26
10.4.5 Fallback Mode Driver ............................................................................. 10-26
10.5 UGA Draw Protocol......................................................................................... 10-27
EFI_UGA_DRAW_PROTOCOL ................................................................... 10-27
EFI_UGA_DRAW_PROTOCOL.GetMode()............................................... 10-28
EFI_UGA_DRAW_PROTOCOL.SetMode() ............................................... 10-29
EFI_UGA_DRAW_PROTOCOL.Blt() ......................................................... 10-31
10.6 Rules for PCI/AGP Devices ............................................................................ 10-34
10.7 UGA I/O Protocol ............................................................................................ 10-35
EFI_UGA_IO_PROTOCOL .......................................................................... 10-35
EFI_UGA_IO_PROTOCOL.CreateDevice() ............................................... 10-37
EFI_UGA_IO_PROTOCOL.DeleteDevice() ............................................... 10-38
PUGA_FW_SERVICE_DISPATCH.DispatchService()............................... 10-39
10.8 Implementation Rules for an EFI UGA Driver.................................................. 10-42
10.9 UGA Draw Protocol to UGA I/O Protocol Mapping .......................................... 10-43
10.9.1 UGA System Requirements ................................................................... 10-43
10.9.2 System Abstraction Requirements ......................................................... 10-44
10.9.3 Firmware to OS Hand-off........................................................................ 10-44
10.10 Simple Pointer Protocol................................................................................... 10-46
EFI_SIMPLE_POINTER_PROTOCOL......................................................... 10-46
EFI_SIMPLE_POINTER.Reset()................................................................ 10-48
EFI_SIMPLE_POINTER.GetState() ........................................................... 10-49