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Commit Graph

273 Commits

Author SHA1 Message Date
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
Huy Vo
1b733e7cf0 Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-03-13 12:34:39 -07:00
Huy Vo
6e32cc8b20 Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-03-13 12:34:39 -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
Andrew Waterman
2607153b67 Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-03-09 02:08:55 -08:00
Andrew Waterman
3a72ace057 Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-03-09 02:08:55 -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
Yunsup Lee
4f00bcc760 Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-02-29 17:12:02 -08:00
Yunsup Lee
7e6d990bad Merge branch 'master' of github.com:ucb-bar/riscv-rocket 2012-02-29 17:12:02 -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