Andrew Waterman
4d6d6ff641
Add instruction-trace port
2017-09-19 22:59:57 -07:00
Megan Wachs
88332bd885
max-core-cycles: Add a +max-core-cycles PlusArg
2017-08-13 15:47:14 -07:00
Palmer Dabbelt
fc0d5fcf98
Print out the compressed instruction when executing one
2017-08-07 17:21:53 -07:00
Andrew Waterman
b9b4142bb4
Get s2_nack off the critical path
...
We were using it to compute the next PC on flush vs. replay (which require
PC+4 and PC, respectively). This fix gets rid of the adder altogether by
reusing the M-stage PC in the flush case, which by construction holds PC+4.
2017-08-05 00:30:36 -07:00
Andrew Waterman
06a831310b
Shave a gate delay off I$ backpressure path
...
The deleted code was a holdover from Hwacha's vector fences.
2017-08-04 13:12:43 -07:00
Andrew Waterman
7d2dd3769f
Optimize a hazard check critical path
2017-08-02 14:27:25 -07:00
Andrew Waterman
fdb8935712
Improve fidelity of two perf counters
2017-07-28 13:14:04 -07:00
Andrew Waterman
4c82f6b77e
Don't refill BTB on not-taken branches
2017-07-28 13:13:52 -07:00
Andrew Waterman
15878d4691
Perform some control-flow transfers within the Frontend
2017-07-25 15:19:16 -07:00
Andrew Waterman
5df8f0d1ea
Add L2 TLB miss counter
2017-07-25 15:19:16 -07:00
Henry Cook
4c595d175c
Refactor package hierarchy and remove legacy bus protocol implementations ( #845 )
...
* Refactors package hierarchy.
Additionally:
- Removes legacy ground tests and configs
- Removes legacy bus protocol implementations
- Removes NTiles
- Adds devices package
- Adds more functions to util package
2017-07-07 10:48:16 -07:00
