Intel Extensible Firmware Interface User Manual
Page 1028
Extensible Firmware Interface Specification
K-18
12/01/02
Version 1.10
Table K-1. Functions Listed in Alphabetic Order
(continued)
Function Name
Service or Protocol Subservice Function
Description
Resets and reconfigures the USB
controller.
USB I/O Protocol
Accesses the USB Device through
USB Synchronous Interrupt
Transfer Pipe.
Verifies a boot object according to
the supplied digital signature and
the current authorization certificate
and check flag setting.
Boot Integrity
Services Protocol
Verifies a data object according to
a supplied digital signature and a
supplied digital certificate.
Stops execution until an event is
signaled.
Send a buffer of characters to the
debugport device.
Writes bytes to a file.
Sends a buffer of characters to a
serial device.
Writes the requested number of
blocks to the device.
Writes data to the disk.