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Fixes #219
* Adds AsyncResetType (similar to ClockType)
* Registers with reset signal of type AsyncResetType are async reset
registers
* Registers with async reset can only be reset to literal values
* Add initialization logic for async reset registers
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* Changed primops to not accept mixed-type args
* Changed return type of sub of two uints to uint
* Added negative tests
* Removed rocket.fir. Manually changed RocketCore to not mix mul arg types. Added integration tests
* Clarified test description and remove println
* Fixed use of throwInternalError
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update uses
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Replace with more sensible comment to see LICENSE rather than including the
whole license in every file
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* WIP: Adding FixedType to Firrtl proper
Got simple example running through width inference
Checks should be ok
Need to look into FixedLiteral more
* Added simple test for fixed types
* Added asFixedPoint to primops
* Added tail case for FixedType
* Added ConvertFixedToSInt.scala
Added pass to MiddleToLowerFirrtl transform
* Replace AsFixedType with AsSInt in fixed removal
* Bugfix: constant from asFixed not deleted
* Added unit test for bulk connect
* Fixed partial connect bug #241
* Fixed missing case for FixedPoint in legalizeConnect
* Add FixedMathSpec that demonstrates some problems with FixedPointMath
* Fixed test and ConvertToSInt to pass.
Negative binary points not easily supported, needs much more time to
implement.
* Refactored checking neg widths
Make checking for negative binary points easier
* Added tests for inferring many FixedType ops
shl, shr, cat, bits, head, tail, setbp, shiftbp
* Handle bpshl, bpshr, bpset in ConvertFixedToSInt
Changed name from shiftbp -> bpshl, bpshr
Change name from setbp -> bpset
Added more tests
* Added set binary point test that fails
* Added simple test for zero binary point
* gitignore fixes for antlr intermediate dir and intellij dir
* removed unused imports
retool the fixed point with zero binary point test
* simplified example of inability to set binary point to zero
* Temporary fix for zero-width binary point
This fix allows for all widths to be zero, but since this is a feature I
am working on next, I'm not going to bother with a more stringent check.
* change version for dsp tools
* Removed extra temporary file
* Fixed merge bug
* Fixed another merge bug
* Removed commented out/unrelated files
* Removed snake case
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* Spec features added: AnalogType and Attach
AnalogType(width: Width):
- Concrete syntax:
wire x: AnalogType<10>
- New groundtype, very restricted in use cases.
- Can only declare ports and wires with Analog type
- Analog types are never equivalent, thus if x and y have Analog
types: x <= y is never legal.
Attach(info: Info, source: Expression, exprs: Seq[Expression]):
- Concrete syntax:
attach x to (y, z)
- New statement
- Source can be any groundtyped expression (UInt, SInt, Analog, Clock)
- Exprs must have an Analog type reference an instance port
- Source and exprs must have identical widths
Included WDefInstanceConnector to enable emission of Verilog inout
Should be mostly feature complete.
Need to update spec if PR gets accepted.
* Fixed bug where invalidated ports aren't handled
* Bugfix for VerilogPrep
Intermediate wires for invalidated instance ports were not invalidated
* Bugfix: calling create_exp with name/tpe
Returns unknown gender, which was passing through
Caused temporary wire to not be declared
Because Verilog is dumb, undeclared wires are assumed to be 1bit signals
* Addressed donggyukim's style comments
* Reworked pass to only allow analog types in attach
Restrict source to be only wire or port kind
Much simpler implementation, almost identical functionality
Clearer semantics (i think?)
* Fixup bugs from pulling in new changes from master
* comments for type eqs and small style fixes
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Fixes #308
Fixes #193
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Then calls InferTypes to propagate inferred widths to expressions.
Required upgrading InferTypes to do simple width propagation.
Fixes #206 and #200.
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Removed InferWidths after ExpandWhens
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trait AST -> abstract class FirrtlNode
Move all IR to new package ir
Add import of firrtl.ir._
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Add simple documentation
trait PrimOp -> abstract class PrimOp
Move PrimOp case objects to object PrimOps
Rename PrimOp case objects to match concrete syntax
Overrwrite toString for more canonical serialization
Update some PrimOps utility functions
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trait Type -> abstract class Type
case class ClockType() -> case object ClockType
case class UnknownType() -> case object UnknownType
Add GroundType and AggregateType
ClockType has width of IntWidth(1)
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rocketchip
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for the Parser. Added custom Parser exceptions for better error reporting and checking. Fixed bug in grammar not allowing most keywords as Ids
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(notably stop, printf, mux, validif, ubits, sbits, readers, writers, and readwriters are incomplete)
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