Stop un-implemented AES instructions hanging the core.

scarv / xcrypto

XCrypto: a cryptographic ISE for RISC-V

MIT License

90 stars 10 forks source link

Closed ben-marshall closed 5 years ago

ben-marshall commented 5 years ago

Un-implemented but valid instructions currently hang the COP.

[x] Add dummy NOP versions of AES instructions to handle them without causing a lockup.
Problem detected by the "protocols" formal check.