riscv/rocket-chip
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a87c2d13e2
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499 Commits

Author SHA1 Message Date
Wesley W. Terpstra
a87c2d13e2 tilelink2: include an abstract definition for register mapped devices 2016-09-05 20:58:38 -07:00
Wesley W. Terpstra
3a441d853f tilelink2: clarify that fifoId only applies to accesses (not hints) 2016-09-05 20:58:38 -07:00
Wesley W. Terpstra
4b99bd3be1 tilelink2: mask out unnecessary address bits 2016-09-05 20:58:38 -07:00
Wesley W. Terpstra
e24ba61754 tilelink2: distinguish two levels of uncacheability 2016-09-05 20:58:38 -07:00
Wesley W. Terpstra
e506309998 tilelink2: prototype crossbar implementation 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
34f65938b6 tilelink2: add a TLBundle constructor 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
1cd85ff050 tilelink2: add some bundle introspection to scaffold the xbar 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
9c62f5d9c1 tilelink2: shave off a few more firrtl monitor lines 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
af29595979 tilelink2: eliminate common subexpressions in Monitor to reduce firrtl output 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
d7e839280f tilelink2: include legal message monitor 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
492a38aedc tilelink2: only accesses can have errors (release must make forward progress) 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
6599bcb77b tilelink2: statically check Operations are remotely plausible 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
8cff45f254 tilelink2: use byte-aligned addressing 
This makes it possible to fully validate user input in a monitor.
We will override the lower bits with constant 0s in the TL connect.
 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
45e152e97e tilelink2: include Operation constructors 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
5b10c1a328 tilelink2: arithmetic and logical atomics must be distinct (priv spec 3.5.3) 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
8592cbf0e3 tilelink2: Message and Permisison types from Henry 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
9a460322da tilelink2: add synthesizable test methods for Parameters 2016-09-05 20:58:37 -07:00
Wesley W. Terpstra
7328b55abd tilelink2: first cut at parameterization 2016-09-05 20:58:37 -07:00
Howard Mao
7b20609d4d reorganize moving non-submodule packages into src/main/scala 2016-08-19 13:45:23 -07:00
Andrew Waterman
fee5d2b1ea Remove parameters for some things that aren't parameterizable 
Heads up @colinschmidt and @ccelio.  I'm removing these because
they are ISA constants and so are not truly parameters, so the
parameter place is not the place for them.  Since BOOM and Hwacha
both depend on rocket, you should be able to obtain them by
instantiating/extending rocket.HasCoreParameters.
 2016-08-19 12:04:13 -07:00
Howard Mao
33676e81f8 use isOneOf as much as possible 2016-08-19 09:56:06 -07:00
Howard Mao
7671811ac9 merge uncore.Util into uncore.util 2016-08-18 18:33:46 -07:00
Howard Mao
38e0967816 strip DMA and RoCC CSRs out of rocket and uncore (#201) 2016-08-15 23:08:55 -07:00
Howard Mao
571d579b86 get unit tests working again 2016-08-10 11:23:07 -07:00
Howard Mao
f95d319162 don't use secondary external address map; collapse submap instead 2016-08-09 22:29:38 -07:00
Howard Mao
405294167f fix TL -> Nasti converter w id 2016-08-09 18:24:23 -07:00
Andrew Waterman
458520c8f6 Use a generic UInt for TileLink op sizes, rather than MT_xx enum 2016-08-09 15:24:51 -07:00
Howard Mao
0a85e92652 Allow additional internal MMIO devices to be created without changing BaseConfig 2016-08-04 11:04:52 -07:00
Andrew Waterman
791a27748b Update firrtl and remove firrtl hack in plic 2016-08-02 15:19:48 -07:00
Howard Mao
b7723f1ff8 make unit tests local to the packages being tested 2016-08-01 17:02:00 -07:00
Andrew Waterman
fe670e5421 Stop using deprecated FileSystemUtilities to create files 2016-07-31 18:04:56 -07:00
Andrew Waterman
832e56d3c7 Fix toBits/toUInt/toSInt deprecation warnings 2016-07-31 17:13:52 -07:00
Howard Mao
f34b0b0447 make sure L2 tracker doesn't read data array again if data buffer already filled 2016-07-29 16:47:31 -07:00
Howard Mao
fbcc7317cf make sure PseudoLRU is given power of 2 ways 2016-07-27 18:39:33 -07:00
Howard Mao
15d1aa9346 make sure TrackerAllocationIO addr_block has correct direction set 2016-07-27 16:47:22 -07:00
Howard Mao
82bbbf908d Fix L2 Writeback deadlock issue 
The deadlock condition occurs when the acquire tracker attempts to
request a writeback while the writeback unit is still busy and a
voluntary release for the block to be written back is coming in.

The voluntary release cannot be accepted because it conflicts with the
acquire tracker. The acquire tracker can't merge the voluntary release
because it is waiting to send the writeback. The writeback can't
progress because the release it is waiting on is behind the voluntary
release.

The solution to this is to break the atomicity guarantee between the
acquire tracker and the writeback unit. This allows the voluntary
release tracker to take the voluntary release before the writeback unit
accepts the conflicting request. This causes a potential race condition
for the metadata array. The solution to this is to have the writeback
unit re-read the metadata after accepting a request.
 2016-07-26 12:31:08 -07:00
Wesley W. Terpstra
11ec5b2cf4 bram: don't deal with multibeat; rely on the fragmenter 2016-07-22 14:51:05 -07:00
Wesley W. Terpstra
a52d418439 fragmenter: support multi-beat get/put via fragmenting to single-beat operations 2016-07-22 14:48:22 -07:00
Howard Mao
9168f35971 clean up the requirements in StatelessBridge 
* No need to check that release ID bits and acquire ID bits the same
 * Check that inner and outer coherence policies match
 2016-07-21 19:41:56 -07:00
Howard Mao
12067a3b8d make sure outer probe and finish lines are disconnected 2016-07-21 15:15:44 -07:00
Howard Mao
c38dff0855 add some more warnings about the StatelessBridge 2016-07-21 15:07:10 -07:00
Megan Wachs
eb9e998c08 Add ManagerToClientStatelessBridge 2016-07-21 13:49:16 -07:00
Howard Mao
0a1cd64786 fix number of builtin Acquire types 2016-07-21 13:45:20 -07:00
Howard Mao
86e31be820 fix lockup from back to back releases with data 2016-07-21 12:06:58 -07:00
Wesley W. Terpstra
fa8317fec1 debug: add clock crossing primitives 2016-07-19 14:52:43 -07:00
Henry Cook
e406d1bd73 Make probeCopy have same behavior as probeDowngrade 2016-07-18 18:22:49 -07:00
Howard Mao
9eeb1112d4 fix Bufferless irel_vs_iacq_conflict signal 2016-07-18 17:38:20 -07:00
Howard Mao
e5cccc0526 don't update xact_vol_irel if not a voluntary irel 2016-07-18 17:05:23 -07:00
Howard Mao
84098db81f add a TileLinkTestRAM 2016-07-15 11:03:26 -07:00
Howard Mao
b122a54c32 don't allow more outer IDs than inner IDs 2016-07-13 12:42:28 -07:00