riscv/rocket-chip
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1783 Commits

Author SHA1 Message Date
Andrew Waterman
07ad9203ff Fix FMUL sign of zero 2017-06-05 17:35:42 -07:00
Megan Wachs
8d2e9a8631 Merge remote-tracking branch 'origin/master' into plusarg_docstring 2017-06-05 17:23:44 -07:00
Wesley W. Terpstra
87a5665e43 axi4: only block writes if SAME master has outstanding reads (#782) 
* axi4: only block writes if SAME master has outstanding reads
* tilelink2: ToAXI4 rename variable
TL uses sources, not IDs like AXI. Keep it less confusing.
* tilelink2: ToAXI4 improve stall circuit delay
Don't bother decoding the AXI ID to compute stall.
 2017-06-05 16:54:00 -07:00
Megan Wachs
7afd5e6070 remove unnecessary whitespace. Fix grammar. 2017-06-05 16:18:57 -07:00
Megan Wachs
8440c4b1c4 plusarg_reader : Add the ability to add a documentation string. 2017-06-05 16:16:52 -07:00
solomatnikov
274d908d98 Changed TLXbar arbitration policy to roundRobin (#781) 2017-06-05 10:20:28 -07:00
Andrew Waterman
16ecbdd5b2 Reduce fanout on critical I$ miss signal 2017-06-02 20:45:50 -07:00
Andrew Waterman
27b143013f Improve ITLB QoR 
- No need to check cacheability
- Remove a gate delay from PMP path
 2017-06-02 20:45:50 -07:00
Andrew Waterman
0ffb2c8baf Simplify and improve QoR of ShiftQueue 2017-06-02 20:44:52 -07:00
Andrew Waterman
8229bdee03 Remove FP unboxing from FMA critical path 2017-06-02 20:44:52 -07:00
Andrew Waterman
7504b47bbe Improve code quality in FP->FP and Int->FP units 2017-06-02 20:44:52 -07:00
Andrew Waterman
84c4ae775f Improve QoR for FP->Int conversions 2017-06-02 20:44:52 -07:00
Andrew Waterman
07968df183 Refactor FP Classify 2017-06-02 20:44:52 -07:00
Andrew Waterman
6ecd58a977 Incorporate new div/sqrt unit 2017-06-02 20:44:15 -07:00
Wesley W. Terpstra
b1917e7915 coreplex: add an ISPPort trait to add cross-connect points 2017-06-02 20:43:23 -07:00
Wesley W. Terpstra
81d372137a coreplex: unconditionally insert a Splitter between tiles and l1tol2 2017-06-02 20:43:21 -07:00
Wesley W. Terpstra
d002cec6ac NodeNumberer: add an adapter to map inter-chip fabrics 2017-06-02 20:42:17 -07:00
Wesley W. Terpstra
5a2a6b0386 diplomacy: add a CustomNode type that allows direct overload of methods 2017-06-02 20:42:17 -07:00
Wesley W. Terpstra
fed1f53afa tilelink2: add a TLSplitter to be used for the ISP port 2017-06-02 20:42:17 -07:00
Wesley W. Terpstra
a4bf678954 tilelink2: fix latent Xbar truncation bug 
This was introduced when we switched to HeterogeneousBag for diplomatic IO.
It seems a lucky coincidence that nothing has run into this yet!
 2017-06-02 20:42:16 -07:00
Wesley W. Terpstra
ce12a64f4b tilelink2: support SplitterNodes 2017-06-02 20:42:16 -07:00
Wesley W. Terpstra
de39af7f65 tilelink2: make some Xbar methods reusable 2017-06-02 20:42:16 -07:00
Wesley W. Terpstra
0a2a93c27d diplomacy: add the new Splitter node type 2017-06-02 20:42:16 -07:00
Wesley W. Terpstra
c695237050 diplomacy: make :=* and :*= resolution more flexible 2017-06-02 20:42:16 -07:00
edwardcwang
cdbf67be68 Add a note to wire up jtag_mfr_id (#778) 
Close #774
 2017-06-02 18:53:14 -07:00
Wesley W. Terpstra
e0741a2097 axi4: don't map unused masters into TL source ID space 2017-06-02 16:30:16 -07:00
Wesley W. Terpstra
80c63c0da6 rocket: include hartid in cache master names 2017-06-02 15:52:23 -07:00
Wesley W. Terpstra
d25ad10592 diplomacy: require masters to have a name 2017-06-02 15:52:20 -07:00
Wesley W. Terpstra
475ac93cdf coreplex: print memory map using DTS, also write a JSON for it 2017-06-02 14:27:40 -07:00
Wesley W. Terpstra
ae8734da05 diplomacy: report cacheability in ResourceAddress 2017-06-02 14:27:40 -07:00
Wesley W. Terpstra
985d9750e6 tilelink2: Xbar QoR improvement 2017-06-02 14:27:40 -07:00
Wesley W. Terpstra
9317a00896 tilelink2: ToAXI4, sort and print AXI IDs used 2017-06-02 14:27:37 -07:00
Wesley W. Terpstra
eb14329c63 tilelink2: only combine managers of the same resources 2017-06-01 15:34:43 -07:00
Wesley W. Terpstra
1f531b1593 tilelink2: improve round robin arbiter QoR 2017-06-01 15:34:40 -07:00
Wesley W. Terpstra
5994714970 diplomacy: move manager unification to meta-data only 
Now that PMA circuits already perform address unification, there is
no QoR gained by throwing away the true and complete diplomatic
address+node information. Defer the unification to pretty printing
the DTS address map only.
 2017-06-01 15:30:20 -07:00
Wesley W. Terpstra
0fe625c52f diplomacy: improve PMA circuit QoR 2017-06-01 15:30:20 -07:00
Yunsup Lee
6124bf0cc2 sort entires in the printed address map (#773) 2017-05-31 07:45:46 -10:00
Jacob Chang
e3e77d68e6 PTW now does not require atomic memory operations, so take out the requirement (#767) 
Bug fix in CSR which manifest itself when compiling a config with no extension
 2017-05-26 13:11:15 -07:00
Andrew Waterman
dbc5e7c494 Add TLB miss performance counters (#762) 2017-05-23 12:52:25 -07:00
Andrew Waterman
b2b4c1abcd Separate tag ECC and data ECC options (#761) 2017-05-23 12:51:48 -07:00
Henry Cook
940614625e TLCacheCork: unsafe flag now _really_ unsafe (#760) 2017-05-22 19:37:11 -07:00
Wesley W. Terpstra
7f1d3c445f Plusargs -- tilelink timeout detection from the command line (#752) 
* util: PlusArg gives Chisel access to the command-line

* tilelink2: add a progress watchdog to Monitors
 2017-05-18 22:49:59 -07:00
Wesley W. Terpstra
748a48f667 unittest: balance the run times of the tests 2017-05-17 14:02:59 -07:00
Wesley W. Terpstra
bea2489507 unittest: make overall test duration configurable 2017-05-17 14:02:59 -07:00
Wesley W. Terpstra
c8ba6b2feb unittests: accept a configurable number of transactions to run 2017-05-17 14:02:59 -07:00
Wesley W. Terpstra
f6f40b1442 unit tests: all should accept timeout override 2017-05-17 14:02:59 -07:00
Wesley W. Terpstra
8c3736e0dc tilelink2: remove ready-valid fuzzer obsoleted by TLDelayer 2017-05-17 06:47:21 -07:00
Wesley W. Terpstra
1f2236cdb3 diplomacy: appease Jack by removing unused 1st bundles argument 2017-05-17 06:46:07 -07:00
Wesley W. Terpstra
f2d16d49c2 tilelink2: don't widen TLMonitor interface unnecessarily 2017-05-17 06:29:03 -07:00
Wesley W. Terpstra
191dad7800 diplomacy: provide connect access to edges without bundles 
Forcing the bundles to exist early can mess up module ownership.
 2017-05-17 06:29:03 -07:00