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Commit Graph

280 Commits

Author SHA1 Message Date
Yunsup Lee
dba99e07a9 set MEM_TAG_BITS to 5 when HAVE_VEC is true, since NMSHR=4 2012-03-06 08:54:21 -08:00
Andrew Waterman
5f33ab24b0 fix merge conflict
oops :(
2012-03-06 02:02:53 -08:00
Andrew Waterman
5f12990dfb support memory transaction aborts 2012-03-06 00:35:02 -08:00
Henry Cook
950b5cd900 Added aborted data dequeueing state machine for BroadcastHub 2012-03-05 17:44:30 -08:00
Henry Cook
5c66a6699c Broadcast hub control logic bugfixes and code cleanup 2012-03-05 17:27:55 -08:00
Yunsup Lee
a950d526d2 add prefetch count queue 2012-03-05 12:09:41 -08:00
Yunsup Lee
d4ec7ff4d9 refined vector exception interface 2012-03-03 16:11:54 -08:00
Yunsup Lee
e28a551368 refactor code related to vector exceptions
- revisied interfaces
- new instructions
2012-03-03 15:15:00 -08:00
Yunsup Lee
f9fb3978ca fix store prefetch bug, it no longer occupies an entry in the sdq 2012-03-03 15:14:59 -08:00
Henry Cook
1b3307df32 Removed has_data fields from all coherence messages, increased message type names to compensate 2012-03-02 23:51:53 -08:00
Henry Cook
35f97bf858 Filled out 4 state coherence functions for cache 2012-03-02 21:58:50 -08:00
Henry Cook
00989c58bd Correction to probe reply w/ data handling 2012-03-02 17:20:22 -08:00
Andrew Waterman
1e1926ce63 flip direction of ioPipe to match ioDecoupled 2012-03-02 16:18:32 -08:00
Henry Cook
7406908d4a BroadcastHub can be elaborated by C and vlsi backends 2012-03-02 12:19:27 -08:00
Yunsup Lee
54baa0713c hack fence.g.cv to support waiting the control processor 2012-03-02 02:10:26 -08:00
Yunsup Lee
1054cec087 add vec countq interface 2012-03-02 00:43:32 -08:00
Yunsup Lee
8678b3d70c clean up ioDecoupled/ioPipe interface 2012-03-01 20:48:46 -08:00
Andrew Waterman
6d03d75835 improve D$ internal interfaces 2012-03-01 20:20:15 -08:00
Andrew Waterman
28cacd953f D$ cleanup - merge ReplayUnit and MSHRFile 2012-03-01 19:30:56 -08:00
Andrew Waterman
52101373e0 clean up D$ store data unit 2012-03-01 19:20:00 -08:00
Henry Cook
da39810bb2 Fixed elaboration errors in LockingArbiter and BoradcastHub. Fixed ioDecoupled direction error in XactTracker 2012-03-01 18:24:22 -08:00
Henry Cook
9d7707a0a2 Made xact_rep an ioValid, removed has_data member 2012-03-01 18:24:21 -08:00
Yunsup Lee
c7b01230f4 fix mul/div when waddr=0, can't believe torture didn't find this one 2012-03-01 10:15:27 -08:00
Henry Cook
c6162ac743 Unified hub ios. Fixed some hub elaboration errors. 2012-03-01 01:20:57 -08:00
Yunsup Lee
a8ef5e9e27 change NMSHR when HAVE_VEC is true 2012-03-01 01:07:47 -08:00
Yunsup Lee
6847160343 refactor arbiter priorities 2012-03-01 00:22:34 -08:00
Yunsup Lee
f641b44fb8 changes after the module uniquify bug fix 2012-02-29 22:00:59 -08:00
Henry Cook
813ffcbf3e Finished broadcast hub with split mem req types. Untested. 2012-02-29 17:58:15 -08:00
Yunsup Lee
4939b72ba5 Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-02-29 17:12:02 -08:00
Yunsup Lee
20d0088f66 temporary fix to match bit widths for Mem 2012-02-29 17:09:31 -08:00
Henry Cook
008ad1f45b Added 'locking' arbiter that won't rearbitrate until the lock signal on the current winning input is low 2012-02-29 17:05:06 -08:00
Henry Cook
c723ef4c50 ioDecoupled now allows inner bundle to be used in covariant positions, i.e. it accepts subtypes 2012-02-29 16:46:16 -08:00
Andrew Waterman
c38065d0e8 clean up priority encoders 2012-02-29 16:13:14 -08:00
Andrew Waterman
b9ec69f8f5 add new Queue singleton 2012-02-29 14:21:42 -08:00
Andrew Waterman
012da6002e 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
082b38d315 Broadcast hub nears completion. Still does not handle generation/arbitration for decoupled mem reqs. 2012-02-29 02:59:27 -08:00
Henry Cook
8ff6e21e3a Fixed race between read resps/reps and write req/reps in null hub 2012-02-29 00:44:03 -08:00
Andrew Waterman
c99f6bbeb7 separate memory request command and data
also, merge some VLSI/C++ test harness functionality
2012-02-28 19:06:23 -08:00
Henry Cook
040aa9fe02 Added temporary ioMemHub and made coherence hub implementations depend on it rather than ioMem 2012-02-28 17:33:32 -08:00
Daiwei Li
3f998b1353 send vcfg and setvl to vu prefetch queues 2012-02-28 14:54:48 -08:00
Henry Cook
5cc10337b4 Null coherence hub. Begin work on internal tracker logic 2012-02-27 19:10:15 -08:00
Andrew Waterman
2b1c07c723 replace ioDCache with ioMem 2012-02-27 18:36:09 -08:00
Andrew Waterman
1d41a41afa remove extraneous constants 2012-02-27 17:49:48 -08:00
Yunsup Lee
3d96a2d4f0 add fpu.dec.wen := false when HAVE_FPU is turned off 2012-02-27 14:00:58 -08:00
Henry Cook
f0588a0052 Added probe_req ready sigs, GenArray to Vec 2012-02-27 11:26:18 -08:00
Henry Cook
7a8f53a117 probe req transactors in coherence hub 2012-02-27 09:24:33 -08:00
Henry Cook
2275239f33 xact init transactors in coherence hub 2012-02-27 09:24:32 -08:00
Yunsup Lee
bfd0ae125e upgrade to new rocket/vu memory interface, fix amo nack bug in hellacache 2012-02-26 23:46:51 -08:00
Andrew Waterman
6e706c7c74 fix yet another AMO-related replay bug 2012-02-26 20:20:45 -08:00
Andrew Waterman
e12b9eae93 remove ext_mem interface
hindsight is 20/20
2012-02-26 18:53:39 -08:00