MicroBlaze Processor Reference Guide 84
UG984 (v2018.2) June 21, 2018 www.xilinx.com
Chapter 2: MicroBlaze Architecture
WIC Instruction
The optional WIC instruction (C_ALLOW_ICACHE_WR=1) is used to invalidate cache lines in
the instruction cache from an application. For a detailed description, see
Chapter 5,
MicroBlaze Instruction Set Architecture.
The WIC instruction can also be used together with parity protection to periodically
invalidate entries the cache, to avoid accumulating errors.
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