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3.1i XST - The ILA core and the STARTUP_VIRTEX block do not appear in the netlist.
Keywords: ILA, VIRTEX_STARTUP, Virtex, startup, instantiated, primitive
Any black box (or primitive) component (such as the ILA core or the STARTUP_VIRTEX) that has only inputs is not synthesized into the netlist.
NOTE: The problem associated with the STARTUP component is fixed in the 4.1i software release.
This problem was related to issues with the STARTUP component. (All issues surrounding the Chip Scope ILA core have been resolved in the first quarterly service pack for 3.1i software.)