riscv/rocket-chip
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Author SHA1 Message Date
Henry Cook
044b19dbc1 Compiles and elaborates, does not pass asm tests 2014-10-15 11:46:35 -07:00
Christopher Celio
91efdc379b Merge remote-tracking branch 'origin/master' into ss-frontend 
Also fixed bridx logic and zero-width wire logic.

Conflicts:
	src/main/scala/btb.scala
 2014-10-14 18:10:29 -07:00
Andrew Waterman
7bb7299018 Don't pollute BTB with PC+4 target predictions 2014-10-14 17:28:37 -07:00
Henry Cook
86bdbd6535 new tshrs, compiles but does not elaborate 2014-10-07 22:33:10 -07:00
Yunsup Lee
1b31931981 Merge pull request #2 from wasserfuhr/patch-1 
Update README.md
 2014-10-07 17:02:55 -07:00
RainerWasserfuhr
9b41ad92ba Update README.md 
typo?
 2014-10-08 01:46:48 +02:00
Yunsup Lee
f15baeea49 fix markdown for webpage 2014-10-07 03:55:00 -07:00
Yunsup Lee
5ca7f08226 change rocket submodule 2014-10-07 03:19:48 -07:00
Yunsup Lee
e1b8f69cb5 change submodule pointers to https 2014-10-07 03:16:20 -07:00
Yunsup Lee
447761b06c fix typo in README 2014-10-07 02:09:34 -07:00
Yunsup Lee
91f211f766 updates to README 2014-10-07 02:08:03 -07:00
Yunsup Lee
702ddabe26 add ExampleSmallConfig for README 2014-10-07 02:07:59 -07:00
Yunsup Lee
ae9b78d9ef add what/how explanation to README 2014-10-07 02:07:39 -07:00
Scott Beamer
5f55ded723 bump fpga submodule 2014-10-06 13:45:12 -07:00
Scott Beamer
06bc6a45db move fpga repo to git@ from https 2014-10-06 13:45:09 -07:00
Henry Cook
23ae6893ad bump chisel 2014-10-06 13:45:03 -07:00
Yunsup Lee
e25d420155 Improve ChiselConfig composability; bump chisel 2014-10-06 13:43:40 -07:00
Yunsup Lee
73eac94a65 Added "findBy" function to allow grouping parameters by location (e.g. L1D vs L1I), rather than grouping by field (e.g. NSets vs NWays) 2014-10-06 13:40:35 -07:00
Henry Cook
f97a801d60 Parameter API update 2014-10-06 13:37:42 -07:00
Henry Cook
122733b3a9 file name consistency 2014-10-06 13:37:38 -07:00
Henry Cook
a9d72aac2a bump rocket 2014-10-06 13:37:27 -07:00
Henry Cook
0b5f23a209 Streamlined uncore for release 2014-10-06 13:37:15 -07:00
Christopher Celio
59eb7d194d Finalize superscalar btb. 2014-10-03 16:08:08 -07:00
Andrew Waterman
cde7c9d869 simplify CSR decoding code 2014-10-03 14:31:26 -07:00
Christopher Celio
99614e37aa Merge remote-tracking branch 'origin/master' into ss-frontend 
Conflicts:
	src/main/scala/btb.scala
	src/main/scala/core.scala
 2014-10-03 04:22:58 -07:00
Henry Cook
394eb38a96 temp; converted voluntary wb tracker 2014-10-03 01:06:49 -07:00
Henry Cook
dc1a61264d initial version, acts like old hub 2014-10-03 01:06:49 -07:00
Henry Cook
d735f64110 Parameter API update 2014-10-02 16:47:35 -07:00
Andrew Waterman
655f9ae1af Merge pull request #2 from ccelio/master 
Global history now updated (speculatively) in fetch.
 2014-09-30 17:12:15 -07:00
Yunsup Lee
6c18cd9559 add new fpga-zynq as submodule 2014-09-30 09:32:02 -07:00
Christopher Celio
9cc35dee9a Returned history update to fetch. 
- Global history only contains branches.
   - Only update BHT and history on BTB hits.
   - Gate off speculative update on stall or icmiss.
   - Fixed bug where BHT updates were delayed a cycle.
 2014-09-29 21:41:07 -07:00
Christopher Celio
8ccd07cfeb Moved updating global history from fetch to decode. 
- No longer update global history in fetch stage.
   - Only update global history when instruction is a branch.
   - Does allow for the possibility of back-to-back branches to see
     slightly different histories on subsequent executions.
 2014-09-28 05:16:36 -07:00
Christopher Celio
681b43f398 Bug fixes with global history register. 
- Updated in fetch speculatively.
      * Updates gated off by cpu.resp.fire().
      * BTB direction factored into history update.
   - All branches update the BHT.
   - Each instruction carries history; index into BHT is recomputed by
     passing in mem_reg_pc.
 2014-09-26 10:39:57 -07:00
Christopher Celio
a71bdbbc54 Update history register in fetch speculatively 2014-09-26 05:42:08 -07:00
Christopher Celio
f917810061 Removed RocketCoreParameters from use. 
- The nbdache (among others?) use CoreParameters, which has nothing to do with RetireWidth requirements.
   - This conflicts with other cores which uses nbdcache.
   - RocketCoreParameters may be unneccessary, and the require() check can be moved deeper into Rocket.
 2014-09-26 05:14:50 -07:00
Christopher Celio
868e747656 Factored out Rocket specifics from CoreParameters 
- Added new RocketCoreParameters
   - Other cores using Rocket as a library will no longer conflict against
      Rocket's requires().
 2014-09-25 18:52:58 -07:00
Yunsup Lee
7a28d2b47c forgot to move more hwacha stuff out in rocket-chip 2014-09-25 15:34:18 -07:00
Henry Cook
8eb64205f5 bug fix for nbdcache s2_data 2014-09-25 12:00:20 -07:00
Henry Cook
b55c38cdc7 Remove spurious vec consts 2014-09-25 12:00:20 -07:00
Yunsup Lee
70b0f9fd4d error out for PCWM-L, port width mismatch 2014-09-25 06:50:50 -07:00
Adam Izraelevitz
15fb4730ec Add BuildTile parameter for Tile 
Conflicts:
	rocket
 2014-09-25 06:50:45 -07:00
Henry Cook
7398b00d93 dir supplied by function 2014-09-25 06:50:41 -07:00
Henry Cook
db4de7b806 bump chisel 2014-09-25 06:50:36 -07:00
Henry Cook
5a840c5520 support for multiple tilelink paramerterizations in same design 2014-09-25 06:50:30 -07:00
Yunsup Lee
e2ed81dcd2 push chisel 2014-09-25 06:50:05 -07:00
Donggyu Kim
eb384f6461 new RocketChipBackend implementation 2014-09-25 06:47:12 -07:00
Scott Beamer
f2ca887de3 better fpga configs 2014-09-25 06:47:03 -07:00
Donggyu Kim
4fe48f5a0a bump chisel 2014-09-25 06:46:58 -07:00
Donggyu Kim
60d90f5230 recover collectNodesIntoComp in Backends.scala 2014-09-25 06:46:50 -07:00
Donggyu Kim
a53091b40f remove collectNodesIntoComp from Backends.scala 2014-09-25 06:46:27 -07:00