Missing port in subcomponent

If you remove any ports from a subcomponent that is itself a system or a standalone component, or modify its associated .adg file, then an error message is generated when higher level components are refreshed in AMBA Designer. Figure 30 shows this error message.

Figure 30. Subcomponent error message

Subcomponent error message

If the immediate higher level component of which this subcomponent is a part is not currently open in AMBA Designer then the error message is not generated. This delay in displaying the message can lead to a false assumption that the hierarchy is valid.

ARM recommends that if the message is generated, or you have modified the .adg file, then you must restitch that subcomponent and all the components of which it is a part, as described in Reconfiguring a stitched system.

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