riscv/rocket-chip
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90 Commits

Author SHA1 Message Date
Andrew Waterman
a2fdcdcaef Use Seq, not Iterable, when traversal order matters 2015-07-29 00:24:58 -07:00
Andrew Waterman
f460cb6c54 Update to privileged architecture 1.7 2015-05-19 02:32:21 -07:00
Andrew Waterman
254498042a Fix Split for 0-width wires 2015-05-18 18:23:17 -07:00
Henry Cook
49f1c0aa7b moved ecc lib to uncore 2015-04-13 15:58:10 -07:00
Henry Cook
72ea24283b multibeat TL; passes all tests 2014-12-12 16:54:33 -08:00
Yunsup Lee
8abf62fae3 add LICENSE 2014-09-12 18:06:41 -07:00
Henry Cook
0dac9a7467 Full conversion to params. Compiles but does not elaborate. 2014-08-19 11:38:02 -07:00
Andrew Waterman
7bffc6c586 rename Unsigned.size to Unsigned.clog2 2014-06-14 13:58:07 -07:00
Andrew Waterman
04593d433e clean up Int <-> Boolean conversion stuff 2014-06-14 13:58:07 -07:00
Jim Lawson
0c93567dea Replace needWidth() with getWidth. 2014-06-13 14:58:52 -07:00
Jim Lawson
de32595fba Quick change to work with new Width class. 2014-06-13 12:00:50 -07:00
Andrew Waterman
4ca152b012 Use BundleWithConf to avoid clone method boilerplate 2014-05-09 19:37:16 -07:00
Henry Cook
1fa505f9ff remove superfluous AVec object 2014-04-16 17:19:32 -07:00
Henry Cook
444d0449e3 io.cnt bug in serializer 2014-04-14 17:13:13 -07:00
Henry Cook
1da8ef2ddf Added serdes to decouple cache row size from tilelink data size 2014-04-10 12:34:12 -07:00
Andrew Waterman
e3b12e0b85 Make BTB more complexity-effective 
BTB entries reference a small number of unique pages, so we separate the
storage of pages from indices.  This makes much larger BTBs feasible.  It's
easy to exacerbate cycle time this way, so one-hot encoding is used as needed.
 2014-03-25 05:22:04 -07:00
Andrew Waterman
6465e2df14 Make Int -> Bool conversions explicit 2014-03-24 04:36:53 -07:00
Andrew Waterman
0266c1f76a Support retirement width > 1 in CSR file 2014-01-24 16:37:40 -08:00
Andrew Waterman
07a91bb99a Miscellaneous cleanup 2013-12-09 19:53:14 -08:00
Andrew Waterman
da3135ac9b Begin integer unit clean-up 
...to make it easier to generate the superscalar version of the core.
 2013-12-09 15:06:13 -08:00
Andrew Waterman
3895b75a56 Support non-power-of-2 BTBs; prefer invalid entries 2013-08-24 17:33:11 -07:00
Andrew Waterman
d4a0db4575 Reflect ISA changes 2013-08-24 14:43:55 -07:00
Henry Cook
3a266cbbfa final Reg changes 2013-08-15 15:28:15 -07:00
Henry Cook
1a9e43aa11 initial attempt at upgrade 2013-08-12 10:39:11 -07:00
Andrew Waterman
7cc53c7725 clean up Str 2013-06-15 00:45:53 -07:00
Andrew Waterman
95c5147dc5 Add RISC-V instruction disassembler 2013-06-13 10:31:04 -07:00
Yunsup Lee
0f50970913 move HellaQueue to uncore 2013-03-19 00:43:20 -07:00
Yunsup Lee
a0bd0adeb2 change write/read port ordering for vlsi_mem_gen script 2013-01-29 21:32:42 -08:00
Andrew Waterman
66eb3720a4 fix SRAM semantics bug in HellaFlowQueue 2013-01-29 21:16:42 -08:00
Andrew Waterman
6275e009f8 fix HellaQueue deq.valid signal 2013-01-28 20:57:43 -08:00
Andrew Waterman
45d8066f45 add HellaQueue, an SRAM-based queue 2013-01-28 20:54:25 -08:00
Andrew Waterman
5b9f938263 correctly sign-extend badvaddr, epc, and ebase 2013-01-24 17:54:59 -08:00
Andrew Waterman
f5c53ce35d add ecc support to d$ data rams 
i haven't injected errors yet; it may well be incorrect.
 2012-12-11 15:58:53 -08:00
Andrew Waterman
9c857b83f0 refactor PCR file 2012-11-27 01:28:06 -08:00
Andrew Waterman
608f65e716 don't wastefully read 2x the bits from D$ RAMs 2012-11-26 20:34:30 -08:00
Andrew Waterman
8a6ff5f9aa fix D$ writeback bug 
I swear I did this last week... perhaps I am finally losing it!
 2012-11-25 19:46:48 -08:00
Andrew Waterman
55082e45c4 add AVec, which automatically infers element type 
should consider modifying Vec as such
 2012-11-24 18:19:28 -08:00
Andrew Waterman
5a7777fe4d clock gate integer datapath more aggressively 2012-11-17 06:48:44 -08:00
Henry Cook
88ac5af181 Merged consts-as-traits 2012-10-16 16:32:35 -07:00
Andrew Waterman
fc648d13a1 remove old Mux1H; add implicit conversions 2012-10-16 02:24:37 -07:00
Henry Cook
dfdfddebe8 constants as traits 2012-10-07 22:20:03 -07:00
Huy Vo
d9cb96c0ae factored out common stuff to ChiselUtil 2012-09-27 22:53:34 -07:00
Andrew Waterman
d4a001b867 add PriorityMux; use to implement PriorityEncoder 2012-08-22 13:38:25 -07:00
Andrew Waterman
be4fa936dd fix PriorityEncoderOH bug 2012-07-30 18:28:54 -07:00
Andrew Waterman
2ec76390e3 improve PriorityEncoderOH and add Counter util 2012-07-30 16:06:55 -07:00
Huy Vo
a99cebb483 ioDecoupled -> FIFOIO, ioPipe -> PipeIO 2012-06-06 18:22:56 -07:00
Huy Vo
04304fe788 moving util out into Chisel standard library 2012-06-06 12:51:26 -07:00
Huy Vo
7408c9ab69 removing wires 2012-05-24 10:42:39 -07:00
Andrew Waterman
e1f9dc2c1f generalize page table walker 
also, don't instantiate vitlb when !HAVE_VEC
 2012-05-03 02:29:09 -07:00
Andrew Waterman
eafdffe125 simplify page table walker; speed up emulator 2012-05-01 01:24:36 -07:00