https://docs.amd.com/r/2021.1-English/oslib_rm/Xil_ICacheDisable?contentId=_bJp5mT2~5k5212AvoTI7Q
Xil_ICacheDisable - Xil_ICacheDisable - 2021.1 English - UG643
Disable the instruction cache. Prototype void Xil_ICacheDisable(void); Returns None.
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