-Context
- Other FHDLs (short, Christiaan has details)
-
- Advantages of clash / why clash?
-
- VHDL / Verilog / EDIF etc. Why VHDL?
+Introduction
+* Goals
+* Outline
+*Context
+* Other FHDLs (short, Christiaan has details)
+* Advantages of clash / why clash?
Haskell as hardware
- Simple function -> component interpretation (Model: Structure)
- Model: State
- Explicit vs implicit passing of state (e.g, delay)
- Explicit vs implicit marking
- Interpret: Polymorphism
- Interpret: Higher order
+* Simple function -> component interpretation (Model: Structure)
+* Partial application
+* Model: State
+* Explicit vs implicit passing of state (e.g, delay)
+* Explicit vs implicit marking
+* Interpret: Polymorphism
+* Interpret: Higher order
Need: Dependent types
+* Recursion
Impossible things: Infinite recursion, higher order expressions,
- recursive types.
+ recursive types, ...
Prototype
- Choice of Haskell
- Core - description of the language (appendix?)
- Stages (-> Core, Normalization, -> VHDL)
- Implementation issues
+* Choice of Haskell
+ VHDL / Verilog / EDIF etc. Why VHDL?
+* Stages (-> Core, Normalization, -> VHDL)
+. Core - description of the language (appendix?)
+ Implementation issues -- Which?
+ State annotations
Haskell language coverage / constraints
Recursion
Builtin types
Custom types (Sum types, product types)
Function types / higher order expressions
+ State type -> Anything representable
Normalization
- Normal form
- Rules used
- Completeness / conditions on input
- Termination
+* Normal form
+* Rules used
+. Properties / Proofs (termination, soundness, completeness, determinism)
Casts / Strictness / Casebinders not fully supported
Future work
- Boilerplate reduction (State distribution & pipelining)
- Recursion
- Multiple time domains (Events) -- Also, clock line optimization /
+. Boilerplate reduction (State distribution & pipelining)
+* Recursion
+* Multiple time domains (Events) -- Also, clock line optimization /
-- write enable
- Multiple cycle descriptions
- Higher order state
- New language
+* Multiple cycle descriptions
+* Higher order state
+* New language
+
+TODO: Define user / developer