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29 Commits

Author SHA1 Message Date
Jacob Chang 053f81d7c6 minor Changes needed to support formal tests 2016-12-02 14:21:15 -08:00
Wesley W. Terpstra b7963eca4e copyright: ran scripts/modify-copyright 2016-11-27 22:15:43 -08:00
Wesley W. Terpstra a82cfb8306 tilelink2: replace addr_hi with address (#397) 
When faced with ambiguous routing of wmask=0, we decided to include
all the address bits. Hopefully in most cases the low bits will be
optimized away anyway.
 2016-10-14 14:09:39 -07:00
Wesley W. Terpstra 54b73aef57 tilelink2: WidthWidget and Fragmenter no longer erase latency 2016-10-13 17:02:18 -07:00
Wesley W. Terpstra e5a1483358 tilelink2 Fragmenter: eliminate most of the registers on A 2016-10-13 17:02:17 -07:00
Wesley W. Terpstra 99c7003d11 tilelink2: allow preemption of Fragmenter and WidthWidget 2016-10-13 17:02:17 -07:00
Wesley W. Terpstra e2e72ac979 tilelink2 Fragmenter: cope with Decoupled input 2016-10-13 17:02:17 -07:00
Wesley W. Terpstra 538437384a tilelink2 Fragmenter: combine AccessAck errors 2016-10-12 17:02:01 -07:00
Wesley W. Terpstra 4caa543ad7 tilelink2: Fragmenter should not cut Acquire parameters 
The correct response to misuse is to fail a requirement check.
Pretending that things are not caches could lead to inconsistency.
 2016-10-11 22:38:03 -07:00
Wesley W. Terpstra f05298d9bc tilelink2: move general-purpose code out of tilelink2 package 2016-10-03 16:22:28 -07:00
Wesley W. Terpstra 80f7bb49e3 tilelink2: helper objects operate on OutwardNodes 2016-09-30 01:39:35 -07:00
Henry Cook 69e121260e [tilelink2] Add unit tests for many TL2 components 
These tests mostly use the Fuzzer and RAMModel to check that adapters
correctly handle randomly generated legal traffic.
 2016-09-28 18:02:04 -07:00
Wesley W. Terpstra a421469754 tilelink2: change adapters to use TLAdapter(params, defaults)(node) 
This API makes it much more readable when you have multiple adapters
combined into a single line. The arguments for each adapter stay
beside the adapter.

For example, this:
  peripheryBus.node := TLWidthWidget(TLBuffer(TLAtomicAutomata()(TLHintHandler(legacy.node))), legacy.tlDataBytes)
becomes this:
  peripheryBus.node := TLWidthWidget(legacy.tlDataBytes)(TLBuffer()(TLAtomicAutomata()(TLHintHandler()(legacy.node))))
 2016-09-22 20:52:46 -07:00
Wesley W. Terpstra 2b24c4b1b4 tilelink2: most adapters can wipe away latency 2016-09-22 15:18:54 -07:00
Albert Ou d76b762657 tilelink2 Fragmenter: Mask low bits of D channel addr_lo 
This fixes an issue where passing addr_lo through unchanged triggered
unaligned address assertions in the Monitor.
 2016-09-22 12:36:28 -07:00
Wesley W. Terpstra b11839f5a1 tilelink2: differentiate fast/safe address lookup cases 2016-09-17 17:04:18 -07:00
Wesley W. Terpstra dd19e0911e tilelink2: handle bus width=1 2016-09-15 22:15:11 -07:00
Wesley W. Terpstra 9874bc553a tilelink2: Fragmenter supports Hints 2016-09-12 17:31:59 -07:00
Wesley W. Terpstra ca5f98f138 tilelink2: Hints are not special 
Hints have a TransferSize limit just like all other message types.
 2016-09-12 17:15:28 -07:00
Henry Cook c57b52ec86 tilelink2 Fragmenter: bugfix using D.hasData 2016-09-12 16:58:21 -07:00
Wesley W. Terpstra c28ca37944 tilelink2: get rid of fragile implicit lazyModule pattern, and support := 
We can more reliably find the current LazyModule from the LazyModule.stack
 2016-09-08 23:06:59 -07:00
Wesley W. Terpstra d2421654c4 tilelink2: refactor address into addr_hi on ABC and addr_lo on CD 
We need addr_lo in order to properly convert widths.
As part of the refactoring, move all methods out of the Bundles
 2016-09-06 23:46:44 -07:00
Wesley W. Terpstra 314d6ebd6f tilelink2: stricter TransferSizes requirements 2016-09-05 22:10:28 -07:00
Wesley W. Terpstra ded246fb95 tilelink2: relax max transfer size; the real requirement is not exceeding alignment 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra cf0291061d tilelink2: fix a bug in UIntToOH1 triggered if the size was too big 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra 9f45212c95 tilelink2: Fragmenter needs to update subaddress 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra fb262558ee tilelink2: helper objects should pass source line from where they were invoked 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra cb54df0a8a tilelink2: tie off unused channels 2016-09-05 20:58:41 -07:00
Wesley W. Terpstra 4746cf00ce tilelink2: move files to new uncore directory 2016-09-05 20:58:40 -07:00