riscv/rocket-chip
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20 Commits

Author SHA1 Message Date
Albert Huntington
8425086f98 Allow rwReg to pass name and description to RegField for documentation. 2018-01-05 16:59:58 -08:00
Wesley W. Terpstra
35506279af regmapper: fix d_ready => d_bits loop in RegField.bytes 
RegField.bytes updates only those bytes which are written every cycle.
However, there was a bug that it would try to return the updated value on reads.
This led to another TL-spec violating combinational path, just like the Debug module.
 2017-11-30 16:38:45 -08:00
Wesley W. Terpstra
b3bdf5eca6 RegField: default argument for .bytes 2017-10-10 19:49:35 -07:00
Howard Mao
4d784ad693 add cloneType to RegisterWriteIO and RegisterReadIO (#874) 2017-07-18 18:52:31 -07:00
Wesley W. Terpstra
af3976aa67 regmapper: add byte-sized RegField helper function (#854) 2017-07-10 21:08:02 -07:00
Megan Wachs
177ccbb663 regfield: More explanatory requires so I don't have to RTFC and figure out what width actually was (#855) 2017-07-10 21:07:50 -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
Wesley W. Terpstra
2d8b2f4edd ReduceOthers: remove constants from the balanced AND tree 2017-06-23 00:28:05 -07:00
Wesley W. Terpstra
48611266fa diplomacy: use ReduceOthers in the RegMapper 2017-06-22 19:43:47 -07:00
Megan Wachs
3dfd584075 regmapper: remove the Pipe in the RegMapper Queue 
With this pipe here, devices which declare concurrency > 0
actually accept transactions on the same cycle they complete
the previous one. This is unexpected behavior.
 2017-04-19 21:37:37 -07:00
Wesley W. Terpstra
b7963eca4e copyright: ran scripts/modify-copyright 2016-11-27 22:15:43 -08:00
Wesley W. Terpstra
680a944f07 regmapper RegisterCrossing: safe AsyncQueues are overkill here 2016-10-14 18:28:31 -07:00
Wesley W. Terpstra
4e40f9bb59 tilelink2 Nodes: appease the PC police 2016-10-13 17:02:18 -07:00
Wesley W. Terpstra
76388117bb regmapper: detect improper reset sequencing in RegisterCrossing 2016-10-10 13:13:32 -07:00
Wesley W. Terpstra
b5f5ef69c1 regmapper: eliminate race condition in RegisterCrossing bypass 2016-10-10 13:13:32 -07:00
Wesley W. Terpstra
2f6985efd3 crossings: use flip not flip() 
This seems to be the more common API
 2016-10-10 13:13:31 -07:00
Wesley W. Terpstra
8c7d469a95 Revert "async_queue: Give names to all the registers which show up in the queue (#390)" 
This reverts commit a84a961a39.

The changes to RegisterCrossing.scala were unneeded after application of this branch.
The name changes made to the AsyncQueue.scala are reapplied at the end of this branch.
 2016-10-10 13:13:31 -07:00
mwachs5
b5d4b72313 register_crossing: Remove the need for AsyncScope by specifying the master clock and reset. (#393) 2016-10-09 15:51:23 -07:00
mwachs5
a84a961a39 async_queue: Give names to all the registers which show up in the queue (#390) 
This is to aid debugging but even more so for backend constraint writers, who generally
need predictable names for registers to set false paths, etc.
 2016-10-08 17:50:50 -07:00
Wesley W. Terpstra
f05298d9bc tilelink2: move general-purpose code out of tilelink2 package 2016-10-03 16:22:28 -07:00