AR #31189 - 10.1 EDK SP2, microblaze_v7_10_b - When C_DCACHE_ALWAYS_USED = 1, The old contents in the data cache can cause MicroBlaze to hang

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10.1 EDK SP2, microblaze_v7_10_b - When C_DCACHE_ALWAYS_USED = 1, The old contents in the data cache can cause MicroBlaze to hang

AR#	31189
Part	IP-Processor
Last Modified	2008-06-19 00:00:00.0
Status	Active
Keywords	halt, tag

Description

Keywords: halt, tag

MicroBlaze can halt forever in performance version and with the C_DCACHE_ALWAYS_USED = 1.
This is caused due to the cache is not empty and a store to an address can get a tag hit.

Solution

These issues have been fixed in the latest release of MicroBlaze in EDK 10.1 Service Pack 2 available at:
http://www.xilinx.com/xlnx/xil_sw_updates_home.jsp