Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 640
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PAL_FREQ_BASE
PAL_FREQ_BASE – Get Processor Base Frequency (13)
Returns the frequency of the output clock for use by the platform is generated by the
Purpose:
processor.
Static Registers Only
Calling Conv:
Physical or Virtual
Mode:
Not dependent
Buffer:
Arguments:
Argument
index
Reserved
Reserved
Reserved
Returns:
Return Value
status
base_freq
Reserved
Reserved
Status:
Status Value
0
-1
-2
-3
If the processor outputs a clock for use by the platform, the base_freq return
Description:
parameter will be the frequency of this output clock in ticks per second. If the processor
does not generate an output clock for use by the platform, this procedure will return
with a status of -1.
2:392
Description
Index of PAL_FREQ_BASE within the list of PAL procedures.
0
0
0
Description
Return status of the PAL_FREQ_BASE procedure.
Base frequency of the platform if generated by the processor chip.
0
0
Description
Call completed without error
Unimplemented procedure
Invalid argument
Can not complete call without error
Volume 2, Part 1: Processor Abstraction Layer
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