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2019-10-23Added missing copyright headers.Pavel V. Shatov (Meister)
2019-10-23Added simulation-only code to measure multiplier load.Pavel V. Shatov (Meister)
2019-10-21Further work:Pavel V. Shatov (Meister)
- added core wrapper - fixed module resets across entire core (all the resets are now consistently active-low) - continued refactoring
2019-10-21Added "MERGE_LH" micro-operation. To be able to do Garner's formula we needPavel V. Shatov (Meister)
regular (not modular) multiplication. We're doing this by telling the modular multiplier to stop after the "square" step, which computes A*B. The problem is that the multiplier stores the lower part of the product in the internal bank L and the upper part in the internal bank H, but we need to be able to do operations on the product as a whole. MERGE_LH that combines the two halves of the product into one bank.
2019-10-03Added more micro-operations, entire Montgomery exponentiation ladder works now.Pavel V. Shatov (Meister)
2019-10-03Added more micro-operations, also added "general worker" module. The worker ↵Pavel V. Shatov (Meister)
is basically a block memory data mover, but it can also do some supporting operations required for the Garner's formula part of the exponentiation.
2019-10-03Expanded micro-operation parameters (added dedicated control bit to force ↵Pavel V. Shatov (Meister)
the B input of the modular multiplier to 1, this is necessary to bring numbers out of Montgomery domain).
2019-10-03Redesigned storage modules, added top-level module, added I/O storage space.Pavel V. Shatov (Meister)
2019-10-01Redesigned core architecture, unified bank structure. All storage blocks nowPavel V. Shatov (Meister)
have eight 4kbit entries and occupy one 36K BRAM tile.