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constructor
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Add IrrevocableIO subclass of DecoupledIO that promises not to change .bits on a cycle after .valid is high and .ready is low
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Printable was using HasId.instanceName to get full names of Chisel nodes.
instanceName uses the parent module of the HasId to get the Component to use in
calling fullName on the underlying Ref. Unfortunately this means that any
reference to a port of a instance will leave off the instance name. Fixing this
required the following:
- Add Component argument to Printable.unpack so that we can call Arg.fullName
directly in the Printable
- Pass the currently emitting module as the Component to Printable.unpack in
the Emitter
- Remove ability to create FullName Printables from Modules since the Module
name is not known until after the printf is already emitted
This commit also updates the PrintableSpec test to check that FullName and
Decimal printing work on ports of instances
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Printable is a new type that changes how printing of Chisel types is represented
It uses an ordered collection rather than a format string and specifiers
Features:
- Custom String Interpolator for Scala-like printf
- String-like manipulation of "hardware strings" for custom pretty-printing
- Default pretty-printing for Chisel data types
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* signalName: returns the chirrtl name of the signal
* pathName: returns the full path name of the signal from the top module
* parentPathName: returns the full path of the signal's parent module instance from the top module
* parentModName: returns the signal's parent **module(not instance)** name.
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* Make "def width" a private API; expose isWidthKnown instead
Resolves #256.
Since width was used to determine whether getWidth would succeed, I added
def isWidthKnown: Boolean
but another option would be to expose something like
def widthOption: Option[Int]
...thoughts?
* Document getWidth/isWidthKnown
* Add widthOption for more idiomatic Scala manipulation of widths
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The API allowed this before, but not safely, as users could create
name conflicts. This exposes the pre-deduplication/sanitization
naming API, and closes the other one.
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This has been deprecated for a long time now (and really shouldn't
have existed to begin with).
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For reasonable circuit delay, need to divide & conquer.
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