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AR# 24612

9.1i EDK - A pipeline stall occurs in MicroBlaze when exceptions are turned on

Description

When I turn on exceptions in MicroBlaze, a pipeline stall occurs; but when exceptions are turned off, the application runs.

Solution

There is a bug in MicroBlaze version 4 of the core that requires the DLMB (if exceptions are turned on) even if you are not using the DLMB.  

 

The problem does not exist in MicroBlaze version 6.

AR# 24612
Date Created 09/04/2007
Last Updated 05/21/2014
Status Archive
Type General Article