RTEMS Ada User's Guide
A processor in a RTEMS system is referred to as a
node. Each node is assigned a unique non-zero node number by
the application designer. RTEMS assumes that node numbers are
assigned consecutively from one to the maximum_nodes
configuration parameter. The node
number, node, and the maximum number of nodes, maximum_nodes, in
a system are found in the Multiprocessor Configuration Table.
The maximum_nodes field and the number of global objects,
maximum_global_objects, is required to be the same on all nodes
in a system.
The node number is used by RTEMS to identify each node when performing remote operations. Thus, the Multiprocessor Communications Interface Layer (MPCI) must be able to route messages based on the node number.
RTEMS Ada User's Guide
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