Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 639

PAL_FIXED_ADDR – Get Fixed Geographical Address of Processor
(12)
Returns a unique geographical address of this processor.
Purpose:
Static Registers Only
Calling Conv:
Physical or Virtual
Mode:
Not dependent
Buffer:
Arguments:
Argument
index
Reserved
Reserved
Reserved
Returns:
Return Value
status
address
Reserved
Reserved
Status:
Status Value
0
-2
-3
The address return value will contain a unique unsigned integer denoting the position of
Description:
this processor on its system interconnect. This is an arbitrary number which is expected
to have geographical significance and is unique for the system interconnect to which
the processor is connected. If the processor is connected to multiple system
interconnects, the address return value must be unique among all such interconnects.
The maximum size of the address returned corresponds to the size of the fields (id and
eid) in the LID register (CR64).
Volume 2, Part 1: Processor Abstraction Layer
Description
Index of PAL_FIXED_ADDR call within the list of PAL procedures.
0
0
0
Description
Return status of the PAL_FIXED_ADDR procedure.
Fixed geographical address of this processor.
0
0
Description
Call completed without error
Invalid argument
Call completed with error
PAL_FIXED_ADDR
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