riscv/rocket-chip
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599 Commits

Author SHA1 Message Date
Henry Cook
fb8071c12d generous hit detection on PutBlocks 2015-03-18 18:49:32 -07:00
Henry Cook
19059bf0eb put data can be used for ignts 2015-03-18 18:28:03 -07:00
Henry Cook
1ff184bf62 first cut at optimized state transitions 2015-03-18 17:55:05 -07:00
Henry Cook
e325399c87 Re-split mem resp tag and data queues 2015-03-18 12:49:53 -07:00
Henry Cook
42aa4aa8ca Secondary miss param 2015-03-17 22:53:50 -07:00
Henry Cook
b364d387de Merge branch 'l2-subblock-merging' of github.com:ucb-bar/uncore into l2-subblock-merging 2015-03-17 22:46:54 -07:00
Henry Cook
825c4b2850 make ignts more eager 2015-03-17 22:44:53 -07:00
Yunsup Lee
aa5435800d fix get merging, and always turn it on 2015-03-17 22:43:00 -07:00
Yunsup Lee
f4f59464df fix pending_puts initialization 2015-03-17 21:44:26 -07:00
Henry Cook
0e4cf74d8a always merge Puts 2015-03-17 20:53:27 -07:00
Henry Cook
d48775eecb cleanup outdated comments 2015-03-17 20:31:23 -07:00
Henry Cook
638bace858 avoid reading data when write mask is full 2015-03-17 20:28:21 -07:00
Henry Cook
b9591b297c added s_wait_puts to L2AcquireTracker 2015-03-17 20:28:21 -07:00
Henry Cook
2d3f947a9c cleaned up finish counter 2015-03-17 20:28:21 -07:00
Yunsup Lee
9de5161d7a guard all writes to data ram with masks 2015-03-17 20:24:04 -07:00
Yunsup Lee
d14efce0b4 fix wmask_buffer initialization 2015-03-17 19:54:11 -07:00
Yunsup Lee
2d7375760d set pending_writes for puts 2015-03-17 18:35:04 -07:00
Yunsup Lee
504eedbf89 fixes in in bit manipulation 2015-03-17 18:07:52 -07:00
Henry Cook
b08dced37c first cut at pending scoreboarding 2015-03-17 17:51:00 -07:00
Yunsup Lee
4fd01d82b8 don't block finish messages when grant'ing 2015-03-17 17:48:02 -07:00
Yunsup Lee
a52a729ab9 bugfix wmask handling 2015-03-17 15:54:21 -07:00
Henry Cook
fc0ae81a97 added finish counter 2015-03-17 15:04:30 -07:00
Henry Cook
5c2461c743 merge data wmask bugfix 2015-03-17 13:09:47 -07:00
Henry Cook
dc88614094 overlapping read/resps in l2 fix 2015-03-17 13:09:47 -07:00
Henry Cook
730a13abf2 pending read fix 2015-03-17 13:09:46 -07:00
Henry Cook
23f8033df5 turn off self probes again 2015-03-17 13:09:46 -07:00
Henry Cook
d9598d26f2 fix assert 2015-03-17 13:09:46 -07:00
Henry Cook
6d565d22e3 clean up acquire alloc in hub 2015-03-17 13:09:45 -07:00
Henry Cook
3f070eee1f first cut of merging puts/gets 2015-03-17 13:09:44 -07:00
Henry Cook
6af48e168a cleanup mergeData buffer 2015-03-17 13:08:14 -07:00
Henry Cook
9bedde9a8a re-merge mem resp queues 2015-03-17 12:22:57 -07:00
Henry Cook
1471d9debc fix assert 2015-03-17 05:40:05 -07:00
Yunsup Lee
0e51fef200 bugfix where an in-progress acquire can be blocked by another acquire tracker being free'd up in between 2015-03-17 05:37:56 -07:00
Henry Cook
ce9d4b6e70 further amo cleanups 2015-03-17 05:37:41 -07:00
Henry Cook
f35a6a574f Add a queue on released data coming in to L2 2015-03-16 13:25:01 -07:00
Henry Cook
b72230a9f0 PutBlock bugfix 2015-03-16 00:09:55 -07:00
Henry Cook
f6d1a2fb76 No more self-probes required 2015-03-16 00:09:38 -07:00
Henry Cook
23a6b007c1 Fix BroadcastHub AcquiteTracker allocation bug and clean up tracker wiring 2015-03-15 23:10:51 -07:00
Henry Cook
c03976896e separate queues for resp tag and data 2015-03-15 17:58:17 -07:00
Andrew Waterman
6e540825b2 Use entire 12-bit CSR address 2015-03-14 02:15:24 -07:00
Yunsup Lee
3a78ca210d bugfix in uncached TL to TL convertors 2015-03-12 16:33:41 -07:00
Henry Cook
8181262419 clean up incoherent and probe flags 2015-03-12 16:22:14 -07:00
Henry Cook
dcc84c4dd3 arbiter probe ready bugfix 2015-03-12 16:02:51 -07:00
Yunsup Lee
2c31ed6426 previous bug fix for meta data writeback wasn't quite right 2015-03-12 15:34:20 -07:00
Yunsup Lee
5e40c8ba77 write back meta data when cache miss even when coherence meta data is clean 2015-03-12 14:36:46 -07:00
Albert Ou
8f8022379c Fix AMO opcode extraction 2015-03-11 23:24:58 -07:00
Albert Ou
f75126c39c Require self probes for all built-in Acquire types 
This ensures that puts by the RoCC accelerator properly invalidates its
tile's L1 D$, with which it currently shares the same TileLink port.
 2015-03-11 23:24:58 -07:00
Henry Cook
1aff919c24 added prefetchAck Grant type 2015-03-11 17:32:06 -07:00
Henry Cook
059575c334 cleanup mergeData and prep for cleaner data_buffer in L2 2015-03-11 15:43:41 -07:00
Henry Cook
b4ed1d9121 Add builtin prefetch types to TileLink 2015-03-11 14:28:17 -07:00
Yunsup Lee
3ab1aca7de L2 subblock access bugfix 2015-03-11 01:56:47 -07:00
Henry Cook
17072a0041 L2 Writeback bugfix 2015-03-10 01:15:03 -07:00
Henry Cook
a1f04386f7 Headerless TileLinkIO and arbiters 2015-03-09 16:34:59 -07:00
Henry Cook
002f1a1b39 pin outer finish header 2015-03-09 12:40:37 -07:00
Henry Cook
df79e7ff8d secondary miss bug 2015-03-05 15:51:18 -08:00
Henry Cook
8e41fcf6fc reduce MemIFTag size, enable non pow2 HellaFLowQueue size 2015-03-05 15:51:02 -08:00
Henry Cook
1bed6ea498 New metadata-based coherence API 2015-02-28 17:32:03 -08:00
Henry Cook
0a8722e881 bugfix for indexing DataArray of of small L2 2015-02-17 00:37:40 -08:00
Henry Cook
0c66e70f14 cleanup of conflicts; allocation bugfix 2015-02-06 13:20:44 -08:00
Henry Cook
7b86ea17cf rename L2HellaCache to L2HellaCacheBank 2015-02-03 19:38:01 -08:00
Stephen Twigg
3b3250339a Explicitely convert results of Bits Muxes to UInt 
Chisel updated to emit SInt result instead of UInt so this commit addresses this change.
 2015-02-03 18:15:01 -08:00
Henry Cook
6141b3efc5 uncached -> builtin_type 2015-02-02 01:02:06 -08:00
Henry Cook
e6491d351f Offset AMOs within beat and return old value 2015-02-02 00:22:21 -08:00
Henry Cook
3aa030f960 Support for uncached sub-block reads and writes, major TileLink and CoherencePolicy refactor. 2015-02-01 20:37:16 -08:00
Henry Cook
7b4e9dd137 Block L2 transactions on the same set from proceeding in parallel 2015-02-01 20:29:23 -08:00
Henry Cook
973eb43128 state machine bug on uncached write hits 2015-02-01 20:29:23 -08:00
Henry Cook
f58f8bf385 Make L2 data array use a single Mem 2015-01-25 15:37:04 -08:00
Henry Cook
9ef00d187f %s/master/manager/g + better comments 2014-12-29 22:55:58 -08:00
Henry Cook
e62c71203e disconnect unused outer network headers 2014-12-22 18:50:37 -08:00
Henry Cook
2ef4357ca8 acquire allocation bugfix 2014-12-19 17:39:23 -08:00
Henry Cook
f234fe65ce Initial verison of L2WritebackUnit, passes MiT2 bmark tests 2014-12-19 03:03:53 -08:00
Henry Cook
d121af7f94 Simplify release handling 2014-12-18 17:12:29 -08:00
Henry Cook
bfcfc3fe18 refactor cache params 2014-12-17 14:28:14 -08:00
Henry Cook
ab39cbb15d cleanup DirectoryRepresentation and coherence params 2014-12-15 19:24:42 -08:00
Andrew Waterman
d04da83f96 Make data RAMs 1RW instead of 1R1W 2014-12-15 17:36:17 -08:00
Henry Cook
6a8b66231c Add uncached->cached tilelink converter 2014-12-12 17:06:03 -08:00
Henry Cook
424df2368f 1R/W L2 data array? 
Add TLDataBeats to new LLC; all bmarks pass
 2014-12-12 17:05:21 -08:00
Henry Cook
3026c46a9c Finish adding TLDataBeats to uncore & hub 2014-12-12 17:04:52 -08:00
Henry Cook
2f733a60db Begin adding TLDataBeats to uncore 2014-12-12 17:04:31 -08:00
Henry Cook
404773eb9f fix wb bug 2014-12-03 14:22:39 -08:00
Henry Cook
05b5188ad9 meta and data bundle refactor 2014-11-19 15:55:25 -08:00
Henry Cook
a519a43f23 Merge branch 'master' into new-llc 
Conflicts:
	src/main/scala/coherence.scala
	src/main/scala/memserdes.scala
	src/main/scala/tilelink.scala
 2014-11-12 16:25:25 -08:00
Henry Cook
cb7e712599 Added uncached write data queue to coherence hub 2014-11-12 12:55:07 -08:00
Henry Cook
82155f333e Major tilelink revision for uncached message types 2014-11-11 17:36:55 -08:00
Henry Cook
35553cc0b7 NullDirectory sharers.count fix 2014-11-11 16:05:25 -08:00
Henry Cook
10309849b7 Remove master_xact_id from Probe and Release 2014-11-06 12:07:33 -08:00
Henry Cook
27c72e5eed nearly all isa tests pass 2014-10-23 21:50:03 -07:00
Henry Cook
a891ba1d46 more correct handling of internal state 2014-10-21 17:40:30 -07:00
Henry Cook
044b19dbc1 Compiles and elaborates, does not pass asm tests 2014-10-15 11:46:35 -07:00
Henry Cook
86bdbd6535 new tshrs, compiles but does not elaborate 2014-10-07 22:33:10 -07:00
Henry Cook
394eb38a96 temp; converted voluntary wb tracker 2014-10-03 01:06:49 -07:00
Henry Cook
dc1a61264d initial version, acts like old hub 2014-10-03 01:06:49 -07:00
Henry Cook
d735f64110 Parameter API update 2014-10-02 16:47:35 -07:00
Henry Cook
7571695320 Removed broken or unfinished modules, new MemPipeIO converter 2014-09-24 15:11:24 -07:00
Henry Cook
82fe22f958 support for multiple tilelink paramerterizations in same design 
Conflicts:

	src/main/scala/cache.scala
 2014-09-24 11:30:40 -07:00
Henry Cook
53b8d7b031 use new coherence methods in l2, ready to query dir logic 2014-09-20 18:01:14 -07:00
Henry Cook
149d51d644 more coherence API cleanup 2014-09-20 16:57:13 -07:00
Henry Cook
faed47d131 use thunk for dir info 2014-09-20 16:54:28 -07:00
Henry Cook
f7b1e23ead functional style on MuxBundle 2014-09-20 16:54:28 -07:00
Yunsup Lee
0b51d70bd2 add LICENSE 2014-09-12 15:31:38 -07:00
Yunsup Lee
f8d450b4e2 mark DRAMSideLLC as HasKnownBug 2014-09-11 22:06:03 -07:00
Henry Cook
712f3a754d merge in master 2014-09-02 12:34:42 -07:00
Henry Cook
17b2359c9a htif parameters trait 2014-08-24 19:27:58 -07:00
Henry Cook
dc5643b12f Final parameter refactor. 2014-08-23 01:19:36 -07:00
Henry Cook
e26f8a6f6a Fix errors in derived cache params 2014-08-12 14:55:44 -07:00
Henry Cook
9ab3a4262c Cache utility traits. Completely compiles, asm tests hang. 2014-08-11 18:35:49 -07:00
Henry Cook
f411fdcce3 Full conversion to params. Compiles but does not elaborate. 2014-08-08 12:21:57 -07:00
Henry Cook
3c329df7e7 refactor Metadata, clean and expand coherence API 2014-05-28 13:35:08 -07:00
Andrew Waterman
364a6de214 Use Mem instead of Vec[Reg] 2014-05-18 19:26:35 -07:00
Henry Cook
0e39346a12 L2-specific metadataarray wrapper, hookups to tshrfile 2014-05-07 01:51:46 -07:00
Henry Cook
bc3ef1011e correct use of function value to initialize MetaDataArray 2014-05-06 12:59:45 -07:00
Henry Cook
45172f1f37 parameterize metadataarray 2014-05-01 01:44:59 -07:00
Henry Cook
0237229921 client/master -> inner/outer 2014-04-29 16:49:18 -07:00
Henry Cook
52c6de5641 DRAMSideLLCLike trait. TSHRFile. New L2 config objects. 2014-04-26 19:11:36 -07:00
Henry Cook
1163131d1e TileLinkIO.GrantAck -> TileLinkIO.Finish 2014-04-26 15:17:05 -07:00
Henry Cook
3f53d532c2 uniquify tilelink conf val name for easier subtyping 2014-04-26 14:58:38 -07:00
Henry Cook
f8f29c69b8 MetaData & friends moved to uncore/ 2014-04-23 16:24:20 -07:00
Henry Cook
39681303b8 beginning of l2 cache 2014-04-22 16:58:15 -07:00
Henry Cook
5613dc7d1b replaced Lists with Vecs 2014-04-18 17:26:56 -07:00
Henry Cook
b1df49ba30 removed AddressSpaceConstants, CacheConstants, and TileLinkSizeConstants 2014-04-10 12:35:43 -07:00
Henry Cook
fbca7c6bb3 refactor ioMem and associcated constants. merge Aqcuire and AcquireData 2014-04-10 12:35:43 -07:00
Andrew Waterman
02dbd6b0aa Don't assign to your own inputs 2014-02-12 18:39:40 -08:00
Henry Cook
bbf8010230 cleanups supporting uncore hierarchy 2014-01-31 15:59:21 -08:00
Andrew Waterman
3e634aef1d Fix HTIF for cache line sizes other than 64 B 2014-01-22 18:20:36 -08:00
Andrew Waterman
4f1213cb8b Fix Scala integer overflow 2014-01-13 21:45:14 -08:00
Andrew Waterman
acc0d2b06c Only use LSBs for HTIF control regs 
For now, at least...
 2013-11-25 04:34:16 -08:00
Yunsup Lee
056bb156ca make CacheConstants an object 2013-11-20 16:43:55 -08:00
Yunsup Lee
f13d76628b forgot to put htif into uncore package 2013-11-07 15:42:10 -08:00
Yunsup Lee
c350cbd6ea move htif to uncore 2013-11-07 13:19:04 -08:00
Yunsup Lee
f440df5338 rename M_FENCE to M_NOP 2013-10-28 22:37:41 -07:00
Huy Vo
cc3dc1bd0f bug fix 2013-09-19 20:10:56 -07:00
Andrew Waterman
cc7783404d Add memory command M_XA_XOR 2013-09-12 16:09:53 -07:00
Henry Cook
1cac26fd76 NetworkIOs no longer use thunks 2013-09-10 16:15:41 -07:00
Henry Cook
ee98cd8378 new enum syntax 2013-09-10 10:54:51 -07:00
Stephen Twigg
e23e8e3850 Merge branch 'master' into chisel-v2 
Conflicts:
	src/main/scala/memserdes.scala
 2013-09-05 16:17:34 -07:00
Yunsup Lee
b01fe4f6aa fix memserdes bit ordering 2013-08-24 15:24:17 -07:00
Henry Cook
b80f45f8f2 Merge branch 'chisel-v2' of github.com:ucb-bar/uncore into chisel-v2 
Conflicts:
	src/main/scala/llc.scala
	src/main/scala/slowio.scala
 2013-08-15 16:22:12 -07:00
Henry Cook
3763cd0004 standardizing sbt build conventions 2013-08-15 15:57:16 -07:00
Henry Cook
17d404b325 final Reg changes 2013-08-15 15:27:38 -07:00
Henry Cook
1308c08baa Reg standardization 2013-08-13 17:52:53 -07:00
Henry Cook
7ff4126d04 Abstracted UncachedTileLinkIOArbiters 2013-08-13 00:01:11 -07:00
Henry Cook
9162fbc9b5 Clean up cloning in tilelink bundles 2013-08-12 23:15:54 -07:00
Huy Vo
d5c9eb0f54 reset -> resetVal, getReset -> reset 2013-08-12 20:52:18 -07:00
Henry Cook
5c7a1f5cd6 initial attempt at upgrade 2013-08-12 10:36:44 -07:00
Henry Cook
bc2b45da12 Fold uncore constants into TileLinkConfiguration, update coherence API 2013-08-02 14:55:06 -07:00
Henry Cook
d8440b042a Make compatible with scala 2.10. Refactor constants into package object. Remove networking primitives from package object. Clean up request generators. Chnage ++ to +: for appending to io.incoherent. 2013-07-24 23:22:36 -07:00
Henry Cook
db8e5fda9b new tilelink arbiter types, reduced release xact trackers 2013-07-09 15:37:42 -07:00
Henry Cook
9631b6081e Merge branch 'tilelink-data' 
Conflicts:
	src/package.scala
 2013-05-23 14:53:10 -07:00
Henry Cook
cf02f1ef01 use new locking round robin arbiter 2013-05-23 14:16:50 -07:00
Henry Cook
4c1f105ce9 added PairedData link type with matching crossbar, ported tilelink and uncore to use 2013-05-21 17:19:07 -07:00
Andrew Waterman
0672773c1a for now, don't use asserts outside of components 2013-05-09 02:14:44 -07:00
Henry Cook
9a3b2e7006 new paired meta/data IO type, and matching arbiter 2013-05-01 17:18:12 -07:00
Henry Cook
9a258e7fb4 use new locking round robin arbiter 2013-04-30 17:10:06 -07:00
Henry Cook
fedc2753e4 make sure master_xact_id field is large enough for temporary extra release trackers 2013-04-30 11:03:34 -07:00
Henry Cook
12d394811e Allow release data to be written out even before all releases have been collected 2013-04-29 18:48:31 -07:00
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
Andrew Waterman
7ff5b5b86f treat load-reserved as a non-dirtying store 2013-04-07 19:25:26 -07:00
Andrew Waterman
3479f1c6cd add LR/SC support 2013-04-07 19:25:20 -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
Andrew Waterman
7b019cb0da rmeove aborts 2013-03-19 15:30:23 -07:00
Yunsup Lee
f120800aa2 add DRAMSideLLCNull 2013-03-19 00:41:28 -07:00
Yunsup Lee
717a78f964 fix seqRead inference 2013-03-19 00:41:09 -07:00
Henry Cook
9f0ccbeac5 writebacks on release network pass asm tests and bmarks 2013-02-28 18:13:41 -08:00
Andrew Waterman
944f56a766 remove duplicate definitions 2013-02-28 14:55:19 -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
Andrew Waterman
1945fa898b make external clock divider programmable 2013-01-24 23:40:47 -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
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
Andrew Waterman
aae7a67781 fix llc refill/writeback bugs 2012-12-06 02:07:03 -08:00
Andrew Waterman
50e9d952e8 don't initiate llc refill until writeback drains 2012-12-04 06:57:53 -08:00
Andrew Waterman
8103676b37 reduce physical address space to 4GB 2012-11-26 20:54:56 -08:00
Andrew Waterman
56f9b9721d treat prefetches as read requests 2012-11-20 05:38:49 -08:00
Yunsup Lee
6bd4f93f8c pull out prefetch commands from isRead 2012-11-18 03:13:17 -08:00
Andrew Waterman
3e6dc35809 issue self-probes for uncached read transactions 
this facilitates I$ coherence.  but it seems like a hack and perhaps
the mechanism should be rethought.
 2012-11-16 02:37:56 -08:00
Henry Cook
0cd0f8a9db Initial version of migratory protocol 2012-10-23 18:01:53 -07:00
Andrew Waterman
2aecb0024f UncoreConfiguration now contains coherence policy 2012-10-18 16:57:28 -07:00
Andrew Waterman
ffda0e41a9 parameterize width of MemSerdes/MemDesser 2012-10-18 16:56:36 -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
Huy Vo
08ab076217 forgot to change package + using fromBits in memserdes instead of manual unpacking 2012-10-10 15:42:39 -07:00
Huy Vo
9610622ab0 moving memserdes + slowio into src 2012-10-10 12:41:11 -07:00
Andrew Waterman
3973aef938 handle structural hazard on LLC tags 2012-10-09 18:04:55 -07:00
Huy Vo
2413763f3d henry's uncore and rocket changes for new xact types 2012-10-01 16:05:37 -07:00
Huy Vo
fa8075570a move srcs into src dir, factoring out uncore consts into consts 2012-09-27 12:59:45 -07:00