Stall() - Intel Extensible Firmware Interface Specification

Extensible Firmware Interface Specification
3.8.3

Stall()

Summary
Induces a fine-grained stall.
Prototype
EFI_STATUS
Stall (
IN UINTN
)
Parameters
Microseconds
Description
The function stalls execution on the processor for at least the requested number of
Stall()
microseconds. Execution of the processor is not yielded for the duration of the stall.
Status Codes Returned
EFI_SUCCESS
100
Microseconds
The number of microseconds to stall execution.
Execution was stalled at least the requested number of
.
Microseconds
12/12/00 Version 1.02