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* Promote ChiselEnum user APIs from experimental (#2929)
They are commonly used and if we were ever to change them, we will need
to go through a deprecation process anyway.
Note that the EnumAnnotations remain in chisel3.experimental because,
like all Chisel annotation support, they are slated to be deprecated and
removed.
(cherry picked from commit 424e9446f1675fe0168e22bdfbbe85db997376e6)
# Conflicts:
# docs/src/cookbooks/verilog-vs-chisel.md
# docs/src/explanations/chisel-enum.md
* Maintain binary compatbility, use aliases in chisel3 package
* Deprecate the actual classes in chisel3.experimental
* Also fix backport conflicts
Co-authored-by: Jack Koenig <koenig@sifive.com>
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MonoConnect.traceFlow now properly handles coerced directions.
Also minor improvement to getClassName especially useful in test case printf debugging.
(cherry picked from commit 3aba755bdcf996c0fbd846d13268fd6641b29e96)
Co-authored-by: Megan Wachs <megan@sifive.com>
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(cherry picked from commit 77a6c93592d5766d66f199720fc6d69478005091)
Co-authored-by: Jack Koenig <koenig@sifive.com>
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Chisel <> semantics differ somewhat from FIRRTL <= semantics,
so we only emit <= when it would be legal. Otherwise we continue
the old behavior of emitting a connection for every leaf-level
Element.
Co-authored-by: Deborah Soung <debs@sifive.com>
Co-authored-by: Jack Koenig <koenig@sifive.com>
(cherry picked from commit 3553a1583403824718923a6cc530cec3b38f5704)
Co-authored-by: Jared Barocsi <82000041+jared-barocsi@users.noreply.github.com>
Co-authored-by: Jack Koenig <koenig@sifive.com>
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Command:
sbt scalafmtAll
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Co-authored-by: Megan Wachs <megan@sifive.com>
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DataView is a mechanism for "viewing" Scala objects as a subtype of
`Data`. Often, this is useful for viewing one subtype of `Data`, as
another. One can think about a DataView as a cross between a
customizable cast and an untagged union.
A DataView has a Target type `T`, and a View type `V`. DataView requires
that an implementation of `DataProduct` is available for Target types.
DataProduct is a type class that provides a way to iterate on `Data`
children of objects of implementing types.
If a DataView is provided for a type T to a type V, then the function
.viewAs[V] (of type T => V) is available. The object (of type T) returned
by .viewAs is called a "View" and can be used as both an rvalue and an
lvalue. Unlike when using an .asTypeOf cast, connecting to a "View" will
connect to the associated field or fields of the underlying Target.
DataView also enables .viewAsSupertype which is available for viewing
Bundles as a parent Bundle type. It is similar to .viewAs but requires
a prototype object of the Target type which will be cloned in order to
create the returned View. .viewAsSupertype maps between the
corresponding fields of the parent and child Bundle types.
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This has been legal in FIRRTL since v1.2.3 (when reset inference started
using a unification-style algorithm) but was never exposed in the Chisel
API.
Also delete the overridden connects in AsyncReset and ResetType which
just duplicate logic from MonoConnect.
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Change source and other relevant files to use SPDX license
LICENSE file moved from src/ to ./
Changed license file to refer to this per recommendation
using_spdx_license_list_short_identifiers
WARNING: Tests fail with as of yet undiagnosed error
```
[error] Failed: Total 691, Failed 19, Errors 0, Passed 672, Ignored 15
[error] Failed tests:
[error] chiselTests.QueueSpec
[error] examples.VendingMachineGeneratorSpec
[error] chiselTests.HarnessSpec
[error] chiselTests.ConnectSpec
[error] chiselTests.aop.SelectSpec
[error] chiselTests.PopCountSpec
[error] chiselTests.CloneModuleSpec
[error] (Test / test) sbt.TestsFailedException: Tests unsuccessful
[error] Total time: 379 s (06:19), completed Sep 30, 2020 12:38:17 AM
sbt:chisel3>
```
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* Fixed the aspect as parent bug in Data and MonoConnect
* refactored and cleaned up finding an aspect parent
* Added aspect fix to the BiConnect class
* added unit test for manipulating submodules via aspects
* Refactored to move determination of proper parent to Builder and made logic simpler in MonoConnect, Data, and BiConnect
* Removed unused function and provided Scaladoc for retrieveParent
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* Include and check when scoping as part of reg/mem/wire/node bindings
* Allow outdated 'when' behavior of CHIRRTL memory ports with enables
* Extend cross-module / when-visibility checks to all data refs
* Fixes #1512
* Cannot be checked if outside a module context
* E.g. delayed evaluation of printf / assert args
* Add basic test cases for cross-module refs / signals escaping when scopes
* Remove illegal cross-module references from existing tests
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* Rename coreMacros to macros
* Rename chiselFrontend to core
Also make each subproject publish with "chisel3-" as a prefix
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