Wesley W. Terpstra
943c36954d
tilelink2 RegField: .bytes should update more than one byte!
2016-09-16 14:24:24 -07:00
Andrew Waterman
6134384da4
Fix deprecation warnings
2016-09-16 14:24:19 -07:00
Wesley W. Terpstra
dd19e0911e
tilelink2: handle bus width=1
2016-09-15 22:15:11 -07:00
Wesley W. Terpstra
0e80f7fd0f
HintHandler: don't violate Irrevocable rules
2016-09-15 21:28:56 -07:00
Wesley W. Terpstra
f05222a072
testconfigs: disable atomics until AtomicAbsorber finished
2016-09-15 21:28:56 -07:00
Wesley W. Terpstra
30fa4ea956
RegisterRouter: compress register mapping for sparse devices
2016-09-15 21:28:56 -07:00
Wesley W. Terpstra
6b1c57aedc
tilelink2: compute minimal decisive mask
2016-09-15 21:28:56 -07:00
Wesley W. Terpstra
91e7da4de3
tilelink2: make RegisterRouter constructor args public
2016-09-15 21:28:56 -07:00
Wesley W. Terpstra
3875e11b26
tilelink2: RegField splits up big registers
2016-09-15 21:28:56 -07:00
Wesley W. Terpstra
3f30e11f16
tilelink2: Legacy, manager_xact_id does not matter for uncached
2016-09-15 21:28:55 -07:00
Wesley W. Terpstra
ddd93871d8
tilelink2: add an executable manager parameter
2016-09-15 21:28:55 -07:00
Wesley W. Terpstra
9442958d67
tilelink2: allow := on nodes outside the tilelink2 package
2016-09-15 21:28:55 -07:00
Wesley W. Terpstra
1c7d7f9d32
tilelink2 RegisterRouterTest: stall on both edges
2016-09-14 18:22:12 -07:00
Henry Cook
1b53e477fa
Merge branch 'master' of github.com:ucb-bar/rocket-chip into tl2-irrevocable
2016-09-14 17:50:17 -07:00
Henry Cook
e02d149cbe
[tilelink2] Convert TileLink2 to use IrrevocableIO. Add checks to the Monitor to enforce Irrevocable semantics on TLEdges. Update the RegisterRouterTests to pass the new Monitor assertions.
2016-09-14 17:43:07 -07:00
Megan Wachs
1308680f75
Add some async/clock utilities
2016-09-14 16:30:59 -07:00
Henry Cook
aa3fa90fe3
[tilelink2] Monitor: miscopied name in assert message
2016-09-14 14:56:50 -07:00
Henry Cook
d76e19a6ab
[tilelink2] Monitor: simplify monitor interface. EdgeIn and EdgeOut are required to be the same, so why pass around both?
2016-09-14 14:23:23 -07:00
mwachs5
47acbf928b
Give AsyncCrossing slave interfaces registers visibility into when they were written ( #288 )
2016-09-14 00:17:26 -07:00
Henry Cook
7dd4492abb
First cut at refactoring unittests into a top-level utility. Individual tests co-located with their DUT. No functional changes.
2016-09-13 20:30:14 -07:00
Wesley W. Terpstra
d23ab7370d
tilelink2: Unit Test for the RegisterCrossing
2016-09-13 18:33:56 -07:00
Wesley W. Terpstra
acedd3688a
tilelink2: unit test for the clock crossing
2016-09-13 18:33:56 -07:00
Wesley W. Terpstra
c8e6d47884
tilelink2: add a clock crossing adapter
2016-09-13 18:33:56 -07:00
Wesley W. Terpstra
fe6a67dd0e
tilelink2: add a RegisterCrossing primitive
2016-09-13 18:33:53 -07:00
Wesley W. Terpstra
33a05786db
tilelink2 RAMModel: fix put, get, putAck, getAck case ( #282 )
...
This case should result in undefined data for the Get.
It was previously requiring the Get to return the new Put data,
which is only guaranteed by a FIFO device.
2016-09-13 15:44:36 -07:00
Henry Cook
632b5896b9
Delete TestGraphs.scala
...
Re-do later using Fuzzer
2016-09-13 13:29:48 -07:00
Henry Cook
e318c29d48
[tilelink2] Fuzzer: Allow noise-making to be parameterized. Better comments.
2016-09-13 12:25:57 -07:00
Wesley W. Terpstra
606f19a17f
tilelink2: RegisterRouter Unit Test
2016-09-12 22:13:39 -07:00
Wesley W. Terpstra
7005422651
tilelink2 HintHandler: don't HintAck in the middle of a multibeat op
2016-09-12 19:06:35 -07:00
Wesley W. Terpstra
273d3a73f2
tilelink2: Unit Test passes!
2016-09-12 18:39:50 -07:00
Wesley W. Terpstra
9874bc553a
tilelink2: Fragmenter supports Hints
2016-09-12 17:31:59 -07:00
Wesley W. Terpstra
42955a0490
tilelink2: HintHandler optimize to nothing if unneeded
2016-09-12 17:31:16 -07:00
Wesley W. Terpstra
94761f714d
tilelink2 HintHandler: fill in correct sink in responses
2016-09-12 17:26:40 -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
ad8e563c89
[tilelink2] Fuzzer: Rewrite of fuzzer
...
Multiple bug-fixes and actual source id generation.
2016-09-12 17:00:58 -07:00
Henry Cook
0b0c891179
[tilelink2] Monitor: Allow zero-mask PutPartials
...
this will require a larger address refactoring TBD
2016-09-12 17:00:50 -07:00
Henry Cook
c57b52ec86
tilelink2 Fragmenter: bugfix using D.hasData
2016-09-12 16:58:21 -07:00
Henry Cook
82681179cb
[tilelink2] Edges: add size to addr_lo.
...
addr_lo cannot correctly be deciphered from the mask alone.
OxC still has addr_lo === 0 if size is >1.
2016-09-12 16:58:09 -07:00
Henry Cook
a21b04a7c1
playground for making different DAGs to use as DUTs
2016-09-12 10:32:45 -07:00
Henry Cook
0671d5d637
Initial version of fuzzer and simple ram fuzz test
2016-09-12 10:32:45 -07:00
Wesley W. Terpstra
7760459b76
tilelink2 RegisterRouter: add RegField test patterns
2016-09-12 10:32:25 -07:00
Wesley W. Terpstra
85ae77c108
tilelink2 RAMModule: carefully stage the pipeline to make BRAMs possible
2016-09-12 10:32:25 -07:00
Wesley W. Terpstra
9560df537c
tilelink2 RegisterRouter: allow sub-4k devices in order to make useful unit tests
2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
26f9e2dfbd
tilelink2 Parameters: fix width=1 address truncation bug
2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
98a4facac7
tilelink2 RAMModel: clear Mems on power-up
2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
17f7ab18de
tilelink2 RAMModel: model the state a RAM would have for Put+Gets
2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
488b93d146
tilelink2 Parameters: if you support PutPartial, you must support PutFull
2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
d6261e8ce8
tilelink2 Edge: add a numBeats1 method for predecremented code
2016-09-12 10:32:24 -07:00
Wesley W. Terpstra
5604049927
tilelink2 Buffer: support an unlimited number of channels
2016-09-12 10:32:24 -07:00
Megan Wachs
5f5989848c
Merge remote-tracking branch 'origin/master' into black_box_regs
2016-09-09 13:12:52 -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
b587a409a3
tilelink2 Node: make it possible for {Identity,Output,Input}Node to pass a Vec
...
In order to implement a pass-through RAM Monitor model, we will want to support
a variable number of inputs and outputs with BOTH different manager and client
parameters on each bundle.
2016-09-08 21:34:20 -07:00
Wesley W. Terpstra
48ca478578
Merge branch 'master' into intbar
2016-09-08 21:09:59 -07:00
Wesley W. Terpstra
808a7f60f4
tilelink2 Legacy: it's only an error if it's valid ( #264 )
2016-09-08 21:09:40 -07:00
Megan Wachs
fda4c2bd76
Add a way to create Async Reset Registers and a way to easily access them with TL2
2016-09-08 20:02:07 -07:00
Megan Wachs
c1eb1f12a2
tilelink2: Rename GPIO to Example to avoid conflicts with real GPIO devices
2016-09-08 20:02:07 -07:00
Wesley W. Terpstra
cbf0670156
tilelink2 Legacy: it's only an error if it's valid
2016-09-08 19:32:00 -07:00
Wesley W. Terpstra
1b07d53f70
tilelink2 IntNodes: record interrupt ranges in parameters
2016-09-08 18:51:43 -07:00
Wesley W. Terpstra
66f58cf2d0
tilelink2 RegisterRouter: support new TL2 interrupts
2016-09-08 15:25:50 -07:00
Wesley W. Terpstra
23e896ed5d
tilelink2 IntNodes: support interrupt graphs
2016-09-08 15:25:48 -07:00
Wesley W. Terpstra
d7df7d3109
tilelink2: connect Nodes to LazyModules for better error messages
2016-09-08 15:24:04 -07:00
Wesley W. Terpstra
53987cd9d4
tilelink2 Nodes: support non-Bundle data for io type
2016-09-08 15:19:12 -07:00
Wesley W. Terpstra
60a503dc2f
tilelink2 RegField: add a w1ToClear RegField
2016-09-08 14:02:49 -07:00
Wesley W. Terpstra
99b7e734cd
tilelink2 Bundles: fix wrong sink width!
2016-09-08 13:47:40 -07:00
Wesley W. Terpstra
9bfd8c1cf5
TL2 WidthWidget ( #258 )
...
* tilelink2 Narrower: support widenening and narrowing on all channels
Be extra careful with the mask transformations
We need to make sure that narrowing or widening do not cause a loss
of information about the operation. The addr_hi+(mask|addr_lo) conversions
are now 1-1, except on D, which should not matter.
* tilelink2 SRAM: work around firrtl SeqMem bug
* tilelink2 WidthWidget: renamed from Narrower (it now converts both ways)
* tilelink2 mask: fix an issue with width=1 data buses
2016-09-08 10:38:38 -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
aae4230627
tilelink2: fix bugs found by Megan in Legacy converter
2016-09-06 13:12:33 -07:00
Wesley W. Terpstra
54ab14cd9d
tilelink2: statically optimize numBeats for simple managers
2016-09-05 22:11:03 -07:00
Wesley W. Terpstra
314d6ebd6f
tilelink2: stricter TransferSizes requirements
2016-09-05 22:10:28 -07:00
Wesley W. Terpstra
56170c605c
tilelink2: be more forgiving in what Legacy TL requires
2016-09-05 21:12:51 -07:00
Wesley W. Terpstra
3167539331
tilelink2: Narrower must be little-endian
2016-09-05 20:58:41 -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
757d46279e
tilelink2: expand data correctly in D channel narrower
2016-09-05 20:58:41 -07:00
Wesley W. Terpstra
0faa8c4051
tilelink2: fix Xbar bug where Mux1H broke FSM if only one manager
2016-09-05 20:58:41 -07:00
Wesley W. Terpstra
a0c25880c7
tilelink2: Monitor should check mask of reconstructed request
2016-09-05 20:58:41 -07:00
Wesley W. Terpstra
df32cc3887
tilelink2: be careful; apply Andrew's masking trick everywhere
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
1a081b4dd5
tilelink2: Monitor should report which TL connection was the problem
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
68e64a9859
tilelink2: clarify ready-valid use of RegisterRouter
2016-09-05 20:58:40 -07:00
Wesley W. Terpstra
e3b3543841
tilelink2: ensure RegFields don't exceed their bounds
2016-09-05 20:58:40 -07:00
Wesley W. Terpstra
8343070639
tilelink2: detect 1-bit overflow in register definitions
2016-09-05 20:58:40 -07:00
Wesley W. Terpstra
a1fc01fd6d
tilelink2: prevent mapping the same register twice
2016-09-05 20:58:40 -07:00
Wesley W. Terpstra
81162a2dc9
tilelink2: support attaching a DecoupledIO directly to a register
2016-09-05 20:58:40 -07:00
Wesley W. Terpstra
6a378e79e3
tilelink2: allow 0-stage backpressure in combinational regmap
2016-09-05 20:58:40 -07:00
Wesley W. Terpstra
4746cf00ce
tilelink2: move files to new uncore directory
2016-09-05 20:58:40 -07:00