Intel Extensible Firmware Interface, Specification

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Services
Version 1.02 12/12/00 97
Description
The
ResetSystem()
function resets the entire platform, including all processors and devices, and
reboots the system.
Calling this interface with
ResetType
of
EfiResetCold
causes a system-wide reset. This sets
all circuitry within the system to its initial state. This type of reset is asynchronous to system
operation and operates without regard to cycle boundaries.
EfiResetCold
is tantamount to a
system power cycle.
Calling this interface with
ResetType
of
EfiResetWarm
causes a system-wide initialization.
The processors are set to their initial state, and pending cycles are not corrupted.
The platform may optionally log the parameters from any non-normal reset that occurs.
The
SystemReset()
function does not return.