riscv/rocket-chip
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Author SHA1 Message Date
Henry Cook 766d5622b1 Prevent messages from becoming interleaved in the BasicCrossbar. Remove dependency trackers from the uncore, use msg headers instead. Have one ReleaseHnadler per core for now. 2013-04-10 13:46:31 -07:00
Henry Cook 74187c2068 Always route voluntary releases to ReleaseTracker to ensure all grants are sent 2013-04-09 14:09:55 -07:00
Henry Cook b6cc08e8ca override io in LogicalNetwork 2013-03-28 14:09:48 -07:00
Henry Cook 67fc09f62e Fixes after merge, and always self probe. 2013-03-25 19:12:19 -07:00
Henry Cook 06f5de3b68 Merge branch 'release-xacts' 
Conflicts:
	src/package.scala
	src/uncore.scala
 2013-03-20 17:38:46 -07:00
Henry Cook 4d007d5c40 changed val names in hub to match new tilelink names 2013-03-20 17:14:07 -07:00
Henry Cook c36b1dfa30 Cleaned up uncore and coherence interface. Removed defunct broadcast hub. Trait-ified tilelink bundle components. Added generalized mem arbiter. 2013-03-20 15:52:39 -07:00
Henry Cook 319b4544d7 nTiles -> nClients in LogicalNetworkConfig 2013-03-20 14:30:16 -07:00
Henry Cook a7ae7e5758 Cleaned up self-probes 2013-03-20 14:28:20 -07:00
Henry Cook 9f0ccbeac5 writebacks on release network pass asm tests and bmarks 2013-02-28 18:13:41 -08:00
Henry Cook 47a632cc59 added support for voluntary wbs over the release network 2013-01-28 16:39:45 -08:00
Henry Cook 1134bbf1a4 cleanup disconnected io pins (overwritten network headers) 2013-01-27 11:59:17 -08:00
Henry Cook b5ccdab514 changed val names in hub to match new tilelink names 2013-01-22 20:09:21 -08:00
Henry Cook c211d74e95 New TileLink names 2013-01-21 17:17:26 -08:00
Henry Cook fb2644760f single-ported coherence master 2013-01-16 23:57:35 -08:00
Henry Cook f7c0152409 Refactored packet headers/payloads 2013-01-15 15:52:47 -08:00
Henry Cook f836bd93e1 Bugfix in crossbar ready sigs, added adapter for old hub, removed incoherent sig from tilelink 2013-01-07 14:01:39 -08:00
Henry Cook 418e3fdf50 Bugfix in crossbar ready sigs, added adapter for old hub, removed incoherent sig from tilelink 2013-01-07 13:57:48 -08:00
Henry Cook 400d48e3de Refactored uncore conf 2012-12-13 11:39:14 -08:00
Henry Cook 6d61baa6cd Initial version of phys/log network compiles 2012-12-12 11:08:50 -08:00
Henry Cook f359518e52 wip: new network classes 2012-12-12 11:08:50 -08:00
Henry Cook 8d69f9b41c Initial version of phys/log network compiles 2012-12-12 00:05:28 -08:00
Henry Cook 12caa55dc7 wip: new network classes 2012-12-06 18:51:30 -08:00
Henry Cook 0cd0f8a9db Initial version of migratory protocol 2012-10-23 18:01:53 -07:00
Henry Cook 9df5cfa552 Factored out tilelink classes 2012-10-16 14:26:33 -07:00
Henry Cook 8509cda813 Refined traits for use with rocket asserts, added UncoreConfiguration to handle ntiles 2012-10-16 13:58:18 -07:00
Henry Cook 1418604bf0 new constants organization 2012-10-15 18:52:48 -07:00
Henry Cook da6ec486f1 uncore and rocket changes for new xact types 2012-10-01 10:47:36 -07:00
Henry Cook 99bc99f2ad Fixed abort bug: removed uneeded state, added mshr guard on xact_abort.valid and xact_init.ready on same cycle 2012-04-24 17:17:42 -07:00
Henry Cook 00155f4bc4 Fixed abort bug: removed uneeded state, added mshr guard on xact_abort.valid and xact_init.ready on same cycle 2012-04-24 17:17:42 -07:00
Henry Cook d61e6ee080 Fixed coherence bug: probe counting for single tile 2012-04-24 17:17:13 -07:00
Henry Cook 37eb1a4ae6 Fixed coherence bug: probe counting for single tile 2012-04-24 17:17:13 -07:00
Henry Cook 4a6c7dbc26 Policy determined by constants. MSI policy added. 2012-04-11 17:56:59 -07:00
Henry Cook 1920c97066 Refactored coherence as member rather than trait. MI and MEI protocols. 2012-04-10 00:09:58 -07:00
Henry Cook b22d7f8192 Refactored coherence as member rather than trait. MI and MEI protocols. 2012-04-10 00:09:58 -07:00
Henry Cook 5acf1d9820 defined abstract coherence traits in base trait, added Incoherent trait, cleaned up incoherent policy 2012-04-09 23:29:32 -07:00
Henry Cook e71e3ce38f defined abstract coherence traits in base trait, added Incoherent trait, cleaned up incoherent policy 2012-04-09 23:29:32 -07:00
Henry Cook a68f5e016d changed coherence type width names to represent max sizes for all protocols 2012-04-09 23:29:32 -07:00
Henry Cook 17a5d26c1e changed coherence type width names to represent max sizes for all protocols 2012-04-09 23:29:32 -07:00
Henry Cook f7307ee411 changed coherence message type names 2012-04-09 23:29:31 -07:00
Henry Cook 6bc47a55b4 changed coherence message type names 2012-04-09 23:29:31 -07:00
Henry Cook d301336c33 Refactored coherence better from uncore hub, better coherence function names 2012-04-09 23:29:31 -07:00
Henry Cook 27e3346c14 Refactored coherence better from uncore hub, better coherence function names 2012-04-09 23:29:31 -07:00
Henry Cook 23c822a82e fix hit logic for amos 2012-03-12 22:01:52 -07:00
Henry Cook 95f880da70 fixed abort bug 2012-03-12 22:01:52 -07:00
Henry Cook cb5ce3fe73 More broadcast hub bugfixes 2012-03-11 14:17:27 -07:00
Henry Cook 2014db41bd Special cased NTILES == 1 due to log2up revision 2012-03-09 11:04:58 -08:00
Henry Cook 2df5c19f13 Added require_ack field to TransactionReply bundle 2012-03-08 18:07:44 -08:00
Henry Cook ca5caf898c Hub addr comparison bug fix 2012-03-08 16:39:05 -08:00
Henry Cook 3fc94d627d Fixed dependency queue bug in Broadcast Hub 2012-03-08 11:36:10 -08:00
Henry Cook 1a90e2a162 Broadcast hub bug fixes for load uncached mem req and store uncached xact rep 2012-03-07 11:40:49 -08:00
Henry Cook 35ffb80911 unified coherence trait functions 2012-03-06 17:33:11 -08:00
Henry Cook 1e02618cc8 hub code cleanup 2012-03-06 17:01:47 -08:00
Henry Cook 762f2551a7 newTransactionOnMiss() 2012-03-06 15:54:41 -08:00
Henry Cook 3874da4a4f Added store dependency queues to BroadcastHub. Minor improvements to utils. 2012-03-06 15:54:41 -08:00
Henry Cook 82822dfeec Added aborted data dequeueing state machine for BroadcastHub 2012-03-05 17:44:30 -08:00
Henry Cook a49625c114 Broadcast hub control logic bugfixes and code cleanup 2012-03-05 17:27:55 -08:00
Henry Cook 7846d5e01d Removed has_data fields from all coherence messages, increased message type names to compensate 2012-03-02 23:51:53 -08:00
Henry Cook d76f664007 Filled out 4 state coherence functions for cache 2012-03-02 21:58:50 -08:00
Henry Cook 993341d27e Correction to probe reply w/ data handling 2012-03-02 17:20:22 -08:00
Henry Cook 9ad4fd5814 BroadcastHub can be elaborated by C and vlsi backends 2012-03-02 12:19:27 -08:00
Henry Cook de73eef409 Fixed elaboration errors in LockingArbiter and BoradcastHub. Fixed ioDecoupled direction error in XactTracker 2012-03-01 18:24:22 -08:00
Henry Cook 2152b0283d Made xact_rep an ioValid, removed has_data member 2012-03-01 18:24:21 -08:00
Henry Cook 4e33b68bea Unified hub ios. Fixed some hub elaboration errors. 2012-03-01 01:20:57 -08:00
Henry Cook 940027a888 Finished broadcast hub with split mem req types. Untested. 2012-02-29 17:58:15 -08:00
Henry Cook ef94f13087 Broadcast hub nears completion. Still does not handle generation/arbitration for decoupled mem reqs. 2012-02-29 02:59:27 -08:00
Henry Cook 6304aa992f Fixed race between read resps/reps and write req/reps in null hub 2012-02-29 00:44:03 -08:00
Henry Cook e15284d22c Added temporary ioMemHub and made coherence hub implementations depend on it rather than ioMem 2012-02-28 17:33:32 -08:00
Henry Cook ffc7652e01 Null coherence hub. Begin work on internal tracker logic 2012-02-27 19:10:15 -08:00
Henry Cook 3393dc2d31 Added probe_req ready sigs, GenArray to Vec 2012-02-27 11:26:18 -08:00
Henry Cook 70cdf869ac probe req transactors in coherence hub 2012-02-27 09:24:33 -08:00
Henry Cook b6e6d603cc xact init transactors in coherence hub 2012-02-27 09:24:32 -08:00
Henry Cook 8856e2b8bb More stylish bundle param names, some hub progress 2012-02-25 15:27:53 -08:00
Henry Cook dfdcb7c696 Better foldR 2012-02-25 15:27:09 -08:00
Henry Cook b3cf8f3f35 Better abstraction of data bundles 2012-02-25 12:57:01 -08:00
Henry Cook 1dcf25586f finished xact_finish and xact_abort transactors in coherence hub 2012-02-23 18:12:50 -08:00
Henry Cook ffb88467db finished xact_rep transactor in coherence hub 2012-02-23 17:50:02 -08:00
Henry Cook c3646e2e64 Improved TileIO organization, beginnings of hub implementation 2012-02-22 18:24:52 -08:00
Henry Cook 33a26424bd Refining tilelink interface 2012-02-22 12:15:47 -08:00
Henry Cook b9c42a80c8 Added coherence message type enums 2012-02-22 12:15:47 -08:00
Henry Cook cfb818aa97 Abstract class for coherence policies 2012-02-16 12:59:38 -08:00
Henry Cook ecbf47fe16 Replace nbcache manipulation of meta state bits with abstracted functions 2012-02-16 10:43:40 -08:00
Henry Cook 76cacbd991 Added coherence tile function defs, with traits and constants 2012-02-16 00:16:45 -08:00