RVFI - Illegal and mstatus

openhwgroup / cv32e40p

CV32E40P is an in-order 4-stage RISC-V RV32IMFCXpulp CPU based on RI5CY from PULP-Platform

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Closed YoannPruvost closed 9 months ago

YoannPruvost commented 9 months ago

This PR fixes two issue:

It checks for apu_rvalid when catching mstatus_fs updates caused by flw
We check for illegal instruction decoded at any states of the core instead of only when a new instruction goes to decode