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rocket-chip
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22 Commits

Author SHA1 Message Date
Wesley W. Terpstra 8781d2b2e7 diplomacy: provide a val name for all LazyModule constructions 2017-12-01 11:28:21 -08:00
Wesley W. Terpstra e489c4226e diplomacy: remove node arity and allow empty Nexus nodes (Xbars) 
This removes the mostly obsolete 'numIn/Out' range restrictions on nodes.
It also makes it possible to connect optional crossbars that disappear.

val x = TLXbar()
x := master
slave := x

val y = TLXbar()
x :=* y // only connect y if it gets used

This will create crossbar x, but crossbar y will disappear.
 2017-12-01 11:26:59 -08:00
Wesley W. Terpstra fbbfc9c096 diplomacy: include edge type in inward/outward node handles 
This is necessary capture the node implementation in the handle,
which is in turn necessary to support cloning a Node.
 2017-12-01 11:26:58 -08:00
Wesley W. Terpstra 45a904b396 ahb: ignore hrdata on an AHB error 
From the AHB spec:
 "A slave only has to provide valid data when a transfer completes with an OKAY
  response. ERROR responses do not require valid read data."
 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra 6318d7d44c ahb: inject fuzzy errors 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra e8ed450f13 unit tests: do not use LFSR16 which has a common seed! 
We want each LFSR to generate independent noise.
 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra a954f020a9 diplomacy: use new node style chaining 2017-10-28 11:34:16 -07:00
Wesley W. Terpstra 6aac658184 diplomacy: convert all helper objects to return nodes 2017-10-28 11:34:16 -07:00
Wesley W. Terpstra 7cf5d4aa90 diplomacy: define only primary node types 2017-10-28 11:16:56 -07:00
Wesley W. Terpstra c6f95570df IntNodes: moved from tilelink to their own package 2017-10-25 16:56:51 -07:00
Henry Cook 547bdc2b5b diplomacy: standardize sram device resource naming (#1022) 2017-09-29 14:52:26 -07:00
Wesley W. Terpstra ce01ab2700 RegisterRouter: correctly create interrupts vector 2017-09-27 12:27:16 -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 cfb7f13408 diplomacy: capture SourceInfo at point of := in Edge parameters 2017-09-22 22:25:56 -07:00
Wesley W. Terpstra 9217baf9d4 diplomacy: change API to auto-create node bundles => cross-module refs 2017-09-22 15:01:39 -07:00
Wesley W. Terpstra 87d597c70d ahb apb: remove unintentional var 2017-09-22 14:38:47 -07:00
Wesley W. Terpstra d89ee9d9d4 nodes: grab a name on construction 2017-09-22 14:38:47 -07:00
Wesley W. Terpstra e831acba9c adapters: support bulk connections 2017-09-07 16:03:35 -07:00
Wesley W. Terpstra 28fbf1af8e ahb: SRAM can emulate incompletely populated memory 2017-07-07 21:40:39 -07:00
Wesley W. Terpstra f1fb3be603 ahb: SRAM reports errors on illegal access 2017-07-07 21:15:36 -07:00
Henry Cook 4c595d175c Refactor package hierarchy and remove legacy bus protocol implementations (#845) 
* Refactors package hierarchy.

Additionally:
  - Removes legacy ground tests and configs
  - Removes legacy bus protocol implementations
  - Removes NTiles
  - Adds devices package
  - Adds more functions to util package
 2017-07-07 10:48:16 -07:00