riscv/rocket-chip
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Author SHA1 Message Date
Andrew Waterman
5a84564203 Merge pull request #1023 from freechipsproject/csr-cleanup 
Generalize CSR file to support simpler cores
 2017-10-04 14:04:59 -07:00
Andrew Waterman
32fda51a2c Get rid of paddrBits from SystemBus (#1029) 2017-10-04 12:11:37 -07:00
Andrew Waterman
7bcf28c585 Define fetchBytes in HasCoreParams, not Frontend 
It is more generally useful.
 2017-10-03 17:34:18 -07:00
Andrew Waterman
2786e42d99 Don't register interrupts in CSRFile 
They are usually registered outside the tile in a CDC.
 2017-10-03 17:34:18 -07:00
Andrew Waterman
5cfe070932 Add option to make misa read-only 2017-10-03 17:34:18 -07:00
Andrew Waterman
09468a272b Add option to remove basic counters (mcycle/minstret) 2017-10-03 17:34:18 -07:00
Andrew Waterman
ab0821f25b Move microarchitecture-neutral params from Rocket to Core 
This makes some of the units more reusable.
 2017-10-03 17:34:18 -07:00
Andrew Waterman
190d5c50d9 Remove deprecated custom-CSR support 2017-10-03 17:34:18 -07:00
Henry Cook
5232a29d7d Merge pull request #1027 from freechipsproject/dont-touch-hartid 
Make use of the new DontTouch annotation
 2017-10-03 12:55:34 -07:00
Henry Cook
d33737802a util: add DontTouch trait with dontTouchPorts method 2017-10-02 19:36:34 -07:00
Henry Cook
aa3a18222c HellaCache: users like to peep resp.data and resp.addr 2017-10-02 19:36:30 -07:00
Henry Cook
cedfb0e784 coreplex: dontTouch the rocket_tile_inputs wire 
which contains hartid.
 2017-10-02 19:36:10 -07:00
Wesley W. Terpstra
a2dc13669a Error grants (#1025) 
* CacheCork: an error Grant still says 'toT' even though it is transient

Grants with errors must be handled by a client as though no actual
permissions were obtained, so that two clients do not both end up believing
that they own a block which is only temporarily offline. However, the
Grant MESSAGE should still match the request; ie. if you did Acquire.NtoT,
the response must be Grant.toT, even though the 'error' bit signals that
the Grant actually grants no permissions.

This keeps the implementation of request-response tracking in interstitial
adapters and FSMs simple, consistent with the way multibeat errors must
include all their beats.

* Error: handle permissions properly
 2017-10-02 14:49:25 -07:00
Megan Wachs
9c9cb68462 JTAG Coverage: Add reset coverage points 2017-10-02 11:08:13 -07:00
Megan Wachs
a8ab06d572 JTAG: Add coverage points to the JTAG Tap 2017-10-02 11:08:13 -07:00
Jack Koenig
723af5e6b6 Merge pull request #971 from freechipsproject/bump-chisel-firrtl 
Bump chisel3 and firrtl, update plugin versions
 2017-09-29 17:24:12 -07:00
Jack Koenig
8891bf1b64 Bump chisel3 and firrtl, update plugin versions 
And update chisel3 code
 2017-09-29 15:44:27 -07:00
Henry Cook
547bdc2b5b diplomacy: standardize sram device resource naming (#1022) 2017-09-29 14:52:26 -07:00
Andrew Waterman
9137f54f59 Merge pull request #1020 from freechipsproject/fix-trace-insn 
Provide correct trace insn on interrupts when possible
 2017-09-27 18:47:24 -07:00
Wesley W. Terpstra
e315a7aaa7 Merge pull request #993 from freechipsproject/auto-diplomacy-bundles 
Auto diplomacy bundles
 2017-09-27 17:39:53 -07:00
Andrew Waterman
9eaf50762e Don't report exceptions as valid instructions in the printed log 2017-09-27 16:29:42 -07:00
Wesley W. Terpstra
0a287df0f7 Merge remote-tracking branch 'origin/master' into auto-diplomacy-bundles 2017-09-27 16:28:10 -07:00
Andrew Waterman
31c5246446 Provide correct trace insn on interrupts when possible 2017-09-27 16:27:53 -07:00
Henry Cook
33b46af806 Merge pull request #1007 from freechipsproject/tl-error 
Tl error
 2017-09-27 16:22:32 -07:00
Wesley W. Terpstra
feae216f05 clint: output interrupts in the correct direction 2017-09-27 15:18:42 -07:00
Henry Cook
05112b49a3 Merge branch 'master' into tl-error 2017-09-27 14:50:17 -07:00
Henry Cook
652d57291c Merge pull request #1018 from freechipsproject/refine-trace-port 
Separate interrupt bit from cause field in trace bundle
 2017-09-27 14:46:27 -07:00
Henry Cook
5d08b37dab Merge pull request #1019 from freechipsproject/move-rocket-int-sync 
Move rocket output interrupt syncronizers
 2017-09-27 14:46:02 -07:00
Wesley W. Terpstra
9307092d14 coreplex: draw the FrontBus at the bottom and SystemBus at the top 2017-09-27 14:20:39 -07:00
Henry Cook
f48bf2ac2f rocket: connect uncrossed output interrupts 2017-09-27 12:53:19 -07:00
Andrew Waterman
78f3877e02 Trace tval field should be zero when not taking exceptions 2017-09-27 12:51:10 -07:00
Wesley W. Terpstra
e07d86aecd rocket: flip interrupt rendering so cores are on top 2017-09-27 12:46:29 -07:00
Andrew Waterman
583adeee88 Separate interrupt bit from cause field in trace bundle 2017-09-27 12:41:30 -07:00
Wesley W. Terpstra
1fda05970a rocket: move interrupt synchronizers to correct side of crossing 2017-09-27 12:33:08 -07:00
Wesley W. Terpstra
ce01ab2700 RegisterRouter: correctly create interrupts vector 2017-09-27 12:27:16 -07:00
Wesley W. Terpstra
0268959c24 rocket: move interrupt synchronizers to correct side of crossing 2017-09-27 12:02:04 -07:00
Wesley W. Terpstra
e35d3df6ea diplomacy: detect and report cycles in the diplomatic graph 2017-09-27 11:46:06 -07:00
Wesley W. Terpstra
5af08966d8 coreplex: fix WithoutTLMonitors 
closes #1017
 2017-09-27 00:57:18 -07:00
Wesley W. Terpstra
d87536ff8b diplomacy: make NodeHandle recursively composable 2017-09-26 18:47:16 -07:00
Wesley W. Terpstra
31a934bec0 coreplex: buses are now LazyModules with LazyScope 2017-09-26 14:58:56 -07:00
Wesley W. Terpstra
da40573a64 diplomacy: replace LazyModule.stack with an optional scope 2017-09-26 14:56:50 -07:00
Wesley W. Terpstra
a2b423d647 diplomacy: add LazyScope to post-hoc add children to a LazyModule 2017-09-26 14:40:45 -07:00
Wesley W. Terpstra
a27e853101 diplomacy: move rendering properties to edges 
FlipRendering { implicit p => ... } now changes the render direction of edges.
diplomatic NodeImps can specify a default render flip using the new 'render' method.
 2017-09-26 13:24:36 -07:00
Wesley W. Terpstra
76c2aa1661 diplomacy: introduce the typing-saving SimpleNodeImp 2017-09-26 12:28:59 -07:00
Wesley W. Terpstra
870ed3d219 diplomacy: fix the order of auto signals 2017-09-26 11:56:55 -07:00
Wesley W. Terpstra
d22ec1eddf diplomacy: beautify node signal prefixes 2017-09-26 11:56:53 -07:00
Henry Cook
45d26ea130 Merge pull request #1015 from freechipsproject/coherence-manager 
coreplex: clean up coherence manager attachment point
 2017-09-26 11:09:48 -07:00
Henry Cook
9d5e96672e coreplex: clean up coherence manager attachment point 2017-09-25 18:07:51 -07:00
Wesley W. Terpstra
0111213bea ValName: trim whitespace from symbol names 2017-09-25 17:47:40 -07:00
Wesley W. Terpstra
fef5054cec diplomacy: disambiguate names only when necessary 
If two (or more) 'auto_' things have the same name, append _0 and _1 to them.

The order of definitions is unaffected; ie:
  a => a_0
  b => b_0
  b => b_1
  c => c
  a => a_1
 2017-09-25 16:12:34 -07:00