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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

Description

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

AR# 31189
Date 12/15/2012
Status Active
Type General Article