riscv/rocket-chip
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548 Commits

Author SHA1 Message Date
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
57340be72b doc update 2015-02-02 01:11:13 -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
c76b4bc21d TileLink doc 2014-12-29 22:55:18 -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
f249da1803 update README 2014-09-17 11:25:14 -07:00
Yunsup Lee
49b027db2c forgot to add LICENSE file 2014-09-12 15:36:29 -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
5e26b4ab66 Merge branch 'dse' 
Conflicts:
	src/main/scala/htif.scala
	src/main/scala/llc.scala
 2014-09-06 06:16:58 -07:00
Scott Beamer
f8821b4cc9 better fix with explanation of sbt issue 2014-09-02 15:16:03 -07:00
Scott Beamer
bfb662968d fixes sbt error during first run 2014-09-02 14:33:58 -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
Scott Beamer
e384b33cc3 don't generate a write mask for BigMem if it isn't used 
not needed for llc data
 2014-08-19 15:50:20 -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
Jim Lawson
0020ded367 Replace needWidth() with getWidth. 2014-06-13 14:53:48 -07:00
Jim Lawson
a04ef4f5f4 Quick change to work with new Width class. 
Replace .width with .needWidth()
 2014-06-13 11:44:43 -07:00
Andrew Waterman
1ae7a9376c Fix unhandled LLC writeback hazard 2014-06-13 03:25:52 -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
Jim Lawson
bf2ff7804e Add chisel-dependent.sbt for -DchiselVersion="latest.release" 
If -DchiselVersion is specified on the command line, add the
appropriate chisel library to libraryDependencies.
 2014-04-17 17:01:40 -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
Jim Lawson
a228dbfa0d Revert "Update library dependencies (jenkins builds)" 
This reverts commit e7a12143d0bfe8b3b4a4dcc78d119a89553ade8c.
 2014-03-20 10:40:05 -07:00
Jim Lawson
dec98eb047 Update library dependencies (jenkins builds) 
Add chisel as an explicit library dependency
 2014-03-18 11:37:08 -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
Henry Cook
42693d43ad simplify build.sbt 2013-09-26 09:51:14 -07:00
Stephen Twigg
20246b373e Properly ignore target files 2013-09-24 16:02:00 -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
9aff60f340 whitespace error in build.sbt 2013-08-21 16:16:42 -07:00
Henry Cook
dc53529156 added resolver, bumped chisel dependency 2013-08-21 16:00:51 -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
Huy Vo
35f213e735 Merge branch 'master' of ../rocket-clone 2012-10-10 12:39:48 -07:00
Andrew Waterman
3973aef938 handle structural hazard on LLC tags 2012-10-09 18:04:55 -07:00
Huy Vo
916c1019af fixed memdessert unpacking 2012-10-09 13:03:17 -07:00
Huy Vo
cf8f20584e factoring out uncore into separate uncore repo 2012-10-01 16:08:41 -07:00
Huy Vo
2413763f3d henry's uncore and rocket changes for new xact types 2012-10-01 16:05:37 -07:00
Henry Cook
da6ec486f1 uncore and rocket changes for new xact types 2012-10-01 10:47:36 -07:00
Huy Vo
fa8075570a move srcs into src dir, factoring out uncore consts into consts 2012-09-27 12:59:45 -07:00
Andrew Waterman
6546dc84e2 rename queue to Queue 
fixes build with case-insensitive file system
 2012-08-08 22:11:59 -07:00
Andrew Waterman
aa7fd1f40b rename queue to Queue 
fixes build with case-insensitive file system
 2012-08-08 22:11:59 -07:00
Andrew Waterman
17dc2075dd fix some LLC control bugs 2012-08-06 17:10:04 -07:00
Andrew Waterman
115c25c34b fix some LLC control bugs 2012-08-06 17:10:04 -07:00
Andrew Waterman
875f3622af fix deadlock in coherence hub 2012-08-03 19:00:03 -07:00
Andrew Waterman
962423d2d1 fix deadlock in coherence hub 2012-08-03 19:00:03 -07:00
Andrew Waterman
e346f21725 fix control bug in LLC 
structural hazard on tag ram caused deadlock
 2012-08-03 18:59:37 -07:00
Andrew Waterman
92b7504c9a fix control bug in LLC 
structural hazard on tag ram caused deadlock
 2012-08-03 18:59:37 -07:00
Andrew Waterman
7a75334bb9 pipeline LLC further 2012-07-31 17:45:14 -07:00
Andrew Waterman
7b9cfd0b90 pipeline LLC further 2012-07-31 17:45:14 -07:00
Andrew Waterman
8db233c9b7 further pipeline the LLC 2012-07-30 20:12:11 -07:00
Andrew Waterman
85dc34df80 further pipeline the LLC 2012-07-30 20:12:11 -07:00
Yunsup Lee
4d4e28c138 remove reset pin on llc 2012-07-28 21:14:51 -07:00
Yunsup Lee
914b6b622d remove reset pin on llc 2012-07-28 21:14:51 -07:00
Yunsup Lee
465f2efca7 add reset pin to llc 2012-07-27 18:44:39 -07:00
Yunsup Lee
0a2d284d24 add reset pin to llc 2012-07-27 18:44:39 -07:00
Andrew Waterman
1ae3091261 memory system bug fixes 2012-07-26 00:05:21 -07:00
Andrew Waterman
1405718ca8 memory system bug fixes 2012-07-26 00:05:21 -07:00
Yunsup Lee
7736405726 fix bug in coherence hub, respect xact_rep.ready 2012-07-23 20:56:55 -07:00
Yunsup Lee
d0e12c13f6 fix bug in coherence hub, respect xact_rep.ready 2012-07-23 20:56:55 -07:00
Andrew Waterman
df8aff0906 don't dequeue probe queue during reset 2012-07-22 21:05:52 -07:00
Andrew Waterman
c6ac836581 don't dequeue probe queue during reset 2012-07-22 21:05:52 -07:00
Andrew Waterman
d01e70c672 decouple all interfaces between tile and top 
also, add an "incoherent" bit to tilelink to indicate no probes needed
 2012-07-17 22:55:40 -07:00
Andrew Waterman
0258dfb23f decouple all interfaces between tile and top 
also, add an "incoherent" bit to tilelink to indicate no probes needed
 2012-07-17 22:55:40 -07:00
Huy Vo
a79747a062 INPUT/OUTPUT orderring swapped 2012-07-12 18:16:57 -07:00
Huy Vo
18bc14058b INPUT/OUTPUT orderring swapped 2012-07-12 18:16:57 -07:00
Andrew Waterman
62a3ea4113 fix some LLC bugs 2012-07-11 17:56:39 -07:00
Andrew Waterman
0aa33bf909 fix some LLC bugs 2012-07-11 17:56:39 -07:00
Andrew Waterman
1ebfeeca8a add L2$ 
It still has performance bugs but no correctness bugs AFAIK.
 2012-07-10 05:23:29 -07:00
Andrew Waterman
66cf690261 add L2$ 
It still has performance bugs but no correctness bugs AFAIK.
 2012-07-10 05:23:29 -07:00
Huy Vo
166b857055 ioDecoupled -> FIFOIO, ioPipe -> PipeIO 2012-06-06 18:22:56 -07:00
Huy Vo
0c6bade592 ioDecoupled -> FIFOIO, ioPipe -> PipeIO 2012-06-06 18:22:56 -07:00
Huy Vo
9b3161920f moving util out into Chisel standard library 2012-06-06 12:51:26 -07:00
Huy Vo
f2942f79f9 moving util out into Chisel standard library 2012-06-06 12:51:26 -07:00
Huy Vo
6f2f1ba21c removing wires 2012-05-24 10:42:39 -07:00
Huy Vo
0208e9f95e removing wires 2012-05-24 10:42:39 -07:00
Andrew Waterman
f804c57bb0 reduce HTIF clock divider for now 2012-05-03 04:21:11 -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
Andrew Waterman
98a5d682a5 coherence mostly works now 2012-04-10 02:22:45 -07:00
Andrew Waterman
2a7d2888a7 coherence mostly works now 2012-04-10 02:22:45 -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
Andrew Waterman
73d8d42515 fix coherence bug with multiple probe replies 2012-04-09 21:40:35 -07:00
Andrew Waterman
257747a3a1 no dessert tonight :( 2012-03-26 23:50:09 -07:00
Andrew Waterman
25fe46dc18 remove bug from dessert 2012-03-26 14:18:57 -07:00
Andrew Waterman
4e6302fedc add dessert 2012-03-25 23:03:20 -07:00
Andrew Waterman
5a00143035 loop host.in to host.out during reset 2012-03-25 21:45:10 -07:00
Andrew Waterman
a7ebea13fc add mem serdes unit 2012-03-25 17:03:58 -07:00
Yunsup Lee
5f69c5a764 fix bug in coherence hub, specifically in abort handling logic 2012-03-20 02:16:28 -07:00
Andrew Waterman
e38114e4b0 fix coherence bug 
popping wrong store dependence queue
 2012-03-16 01:24:07 -07:00
Andrew Waterman
3129040bda use divided clk for htif. UDPATE YOUR FESVR 
by default, we now load programs via a backdoor, because otherwise
it takes too long to simulate.
 2012-03-15 18:36:51 -07:00
Andrew Waterman
77c405ffa1 use broadcast hub and coherent HTIF 2012-03-14 16:44:35 -07:00
Andrew Waterman
53cd543d3f fix minor coherence bugs 2012-03-13 19:10:54 -07:00
Andrew Waterman
53d69d3006 parameterize broadcast hub by # of tiles 2012-03-13 17:12:01 -07:00
Andrew Waterman
1258f31825 add probe unit 2012-03-13 16:43:51 -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
Andrew Waterman
d777f1cb24 fix null hub store ack bug 2012-03-10 15:19:12 -08:00
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
Andrew Waterman
df6ac34821 coherence hub fixes 2012-03-07 21:03:44 -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
Andrew Waterman
7929600874 change D$ to use FourStateCoherence protocol 
instead of ThreeStateIncoherence.
 2012-03-07 01:26:35 -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
Andrew Waterman
012b991ffe implement transaction finish messages 2012-03-06 15:48:08 -08:00
Andrew Waterman
1024a460f2 support memory transaction aborts 2012-03-06 00:35:02 -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
Yunsup Lee
802f857cb6 fix store prefetch bug, it no longer occupies an entry in the sdq 2012-03-03 15:14:59 -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
Andrew Waterman
6ad7aa5cdc flip direction of ioPipe to match ioDecoupled 2012-03-02 16:18:32 -08:00
Henry Cook
9ad4fd5814 BroadcastHub can be elaborated by C and vlsi backends 2012-03-02 12:19:27 -08:00
Yunsup Lee
bef59527d6 clean up ioDecoupled/ioPipe interface 2012-03-01 20:48:46 -08:00
Andrew Waterman
4c3f7a36ce clean up D$ store data unit 2012-03-01 19:20:00 -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
Andrew Waterman
8b519e7ea8 replace tile memory interface with ioTileLink 
work in progress towards coherent HTIF. for now, requests
are incoherently passed through a null coherence hub.
 2012-02-29 03:10:47 -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
Andrew Waterman
eec369a1c7 separate memory request command and data 
also, merge some VLSI/C++ test harness functionality
 2012-02-28 19:06:23 -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
Andrew Waterman
7d331858e2 replace ioDCache with ioMem 2012-02-27 18:36:09 -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
Huy Vo
e22106af3f updating rocket code to lastest version of chisel, passes assembly tests in C++ and Verilog as long as you dont use the vector unit 2012-02-26 17:24:08 -08:00
Yunsup Lee
ca2e70454e change package name and sbt project name to rocket 2012-02-25 17:09:26 -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