Fix PMP locking #363
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Fix PMP locking #363
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stnolting
added
risc-v compliance
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Triggered by riscv/riscv-isa-manual#866 this PR fixes the locking behavior of the physical memory protection (PMP) CPU extension:
If PMP entry
iis locked, writes topmpcfg(i)andpmpaddr(i)are ignored. Additionally, if PMP entryiis locked andpmpcfg(i).Ais set to TOR, writes topmpaddr(i-1)are ignored (added by this PR).