riscv/rocket-chip
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Author SHA1 Message Date
Wesley W. Terpstra
0c92283a61 rocket icache: tie off b ready 2017-03-19 17:18:50 -07:00
Wesley W. Terpstra
c9459fe4eb tilelink2 Xbar: don't use unnecessary ports 2017-03-19 17:02:24 -07:00
Wesley W. Terpstra
7971947d6c tilelink2 Monitor: don't inspect bits if valid is forbidden 2017-03-19 16:34:23 -07:00
Wesley W. Terpstra
a4ca424a22 AHBToTL: finally get the error signal right? (#594) 2017-03-18 22:24:20 -07:00
Wesley W. Terpstra
d4272db067 travis: only run 4 jobs at once (#593) 
We can only run 4 at a time; 5 causes the test time to double.
In the past we had a 50minute build deadline, but that's fixed.
 2017-03-18 04:14:50 -07:00
Wesley W. Terpstra
f6daa782d3 AHBToTL: fix the order of updates to d_pause (#592) 2017-03-17 19:34:40 -07:00
Megan Wachs
dcc9827ab4 Rename Prci.scala to Clint.scala (#591) 
The internals of this were renamed to CoreplexLocalInterrupter, so changing the top level name to match.
 2017-03-17 15:36:10 -07:00
Wesley W. Terpstra
db55a1d755 Fragmenter: fix a bug when underlying device supports larger bursts (#589) 2017-03-17 11:00:49 -07:00
Wesley W. Terpstra
eb953c40f0 Merge pull request #587 from ucb-bar/ahb-fix 
ahb: rewrote TLToAHB to avoid retracting requests on stall
 2017-03-16 20:55:39 -07:00
Wesley W. Terpstra
9b5b3279a6 AHBToTL: don't report error during idle cycles 2017-03-16 18:18:29 -07:00
Wesley W. Terpstra
5efd38bf97 apb: put both aFlow options under regression 2017-03-16 15:36:14 -07:00
Wesley W. Terpstra
882a7ff8ff TLToAPB: use the now standard aFlow parameter name 2017-03-16 15:34:59 -07:00
Wesley W. Terpstra
e31b84af33 axi4: use common BufferParams 2017-03-16 15:32:17 -07:00
Wesley W. Terpstra
ca2c709d29 TLBuffer: move TLBufferParams to diplomacy.BufferParams 2017-03-16 15:19:36 -07:00
Wesley W. Terpstra
778c8a5c97 ToAHB: appease AHB VIP 2017-03-16 15:17:05 -07:00
Wesley W. Terpstra
963d244094 unittest: try both aFlow settings of TLToAHB 2017-03-16 15:13:57 -07:00
Wesley W. Terpstra
604a164b97 TLToAHB: rename parameter to aFlow 2017-03-16 15:10:54 -07:00
Wesley W. Terpstra
bb49575368 ahb: rewrote TLToAHB to avoid retracting requests on stall 2017-03-16 14:36:30 -07:00
Henry Cook
4f5f686c7e bump riscv-tools (#586) 2017-03-15 18:09:26 -07:00
Wesley W. Terpstra
625919722c Merge pull request #584 from ucb-bar/ahb-in 
AHB master port support
 2017-03-14 19:28:09 -07:00
Wesley W. Terpstra
c95c2ca9c8 AHB: include bridge unit tests 2017-03-14 18:34:21 -07:00
Wesley W. Terpstra
0c5fd76089 ahb: implement a ToTL bridge 2017-03-14 18:34:17 -07:00
Wesley W. Terpstra
7f71df0925 apb: better test coverage 2017-03-14 18:34:17 -07:00
Wesley W. Terpstra
5885bf29b5 axi4: improve test harness 2017-03-14 18:34:17 -07:00
Wesley W. Terpstra
d98fd942f1 tilelink2: optimize the supportsX check circuits 2017-03-14 18:34:17 -07:00
Wesley W. Terpstra
3c5c877409 tilelink2: make TLBuffer API more flexible 2017-03-14 14:06:18 -07:00
Wesley W. Terpstra
6fc3ec3d63 tileink2: add a TestRAM; a zero-delay RAM useful for testing 
TLRAM always answers after 1 cycle. We need a RAM that answers in 0.
 2017-03-14 14:06:17 -07:00
Henry Cook
e9c694522b Merge pull request #578 from ucb-bar/priv-1.10 
Privileged architecture updates
 2017-03-14 13:20:19 -07:00
Henry Cook
bb0390630c Merge branch 'master' into priv-1.10 2017-03-13 21:40:12 -07:00
Leway Colin
1322a02637 Fixed Hasti can't handle N masters to one slave #571 (#576) 2017-03-13 20:36:53 -07:00
Henry Cook
4eb261c895 Merge pull request #582 from ucb-bar/more-fuzzing 
Fuzzer enhancements
 2017-03-13 15:31:51 -07:00
Andrew Waterman
d6f571cbbb Implement mstatus.TSR 2017-03-13 14:50:06 -07:00
Andrew Waterman
1fea0460ba Support superpage entries in TLB 2017-03-13 14:50:06 -07:00
Andrew Waterman
2d267b4940 Support corner cases in TLBPermissions 
Don't crap out if the yes-set or no-set is empty.
 2017-03-13 14:50:06 -07:00
Andrew Waterman
90b5cc96cb Gracefully handle empty ports in AddressDecoder 2017-03-13 14:50:06 -07:00
Wesley W. Terpstra
c847559853 TLB: add a helper API to determine homogeneous page permissions 2017-03-13 14:50:06 -07:00
Wesley W. Terpstra
eaf474a081 LFSR: use random intial value of the start register 
We just need to make sure it doesn't initialize randomly stuck at 0.
 2017-03-13 13:17:52 -07:00
Henry Cook
fe287864ef bump firrtl 2017-03-13 13:14:16 -07:00
Henry Cook
1a3fec61c0 Merge branch 'master' into priv-1.10 2017-03-13 11:59:18 -07:00
Wesley W. Terpstra
d2da33e4b1 Fuzzer: use different LFSR seeds based on simulator seed 2017-03-11 02:53:43 -08:00
Wesley W. Terpstra
bb6108abd5 Tests: include more random delays 2017-03-11 02:53:43 -08:00
Wesley W. Terpstra
0c7fb87390 TLDelayer: insert noise on invalid cycles 2017-03-11 02:53:43 -08:00
Jacob Chang
1c6dde8c15 Make parameters for TLToAHB and TLToAXI4 accessable (#581) 2017-03-10 22:26:38 -08:00
Henry Cook
dbc8f4b30b last => done 2017-03-10 15:58:38 -08:00
Andrew Waterman
380c10f7bd Zap conflicting TLB entries, preparing for superpage support 
Superpages create the possibility that two entries in the TLB may match.
This corresponds to a software bug, but we can't return complete garbage;
we must return either the old translation or the new translation.  This
isn't compatible with the Mux1H approach.  So, flush the TLB and report
a miss on duplicate entries.
 2017-03-10 15:58:23 -08:00
Andrew Waterman
b24c43badb Don't double-count release traffic in perfctrs 2017-03-09 16:49:02 -08:00
Andrew Waterman
63f8ce36f6 Avoid VM exceptions in groundtest by setting Accessed bit 2017-03-09 16:48:28 -08:00
Andrew Waterman
4f8f05d635 Add performance counter facility 2017-03-09 13:58:50 -08:00
Andrew Waterman
e57ee2692d bump tools 2017-03-09 13:58:40 -08:00
Andrew Waterman
33b6d48376 Fix haltnot reporting (previously always returned 0) 2017-03-09 13:58:40 -08:00