The specification doesn't specify how to construct a memory write port's mask type from the memory's data-type when the type contains an enumeration.
I suggest using something like this:
The mask type of a FIRRTL type is defined for the following memory data types:
Any Ground Type: The mask type is UInt<1>
Vector Types T[N] for any type T and any non-negative integer N: The mask type is M[N] where M is the mask type of T.
Bundle Types {field0: Ty0, field1: Ty1, field2: Ty2, ...}: The mask type is {field0: M0, field1: M1, field2: M2, ...} where M0, M1, M2, ... are the corresponding mask types of Ty0, Ty1, Ty2, ...
The specification doesn't specify how to construct a memory write port's mask type from the memory's
data-typewhen the type contains an enumeration.I suggest using something like this:
The mask type of a FIRRTL type is defined for the following memory data types:
UInt<1>T[N]for any typeTand any non-negative integerN: The mask type isM[N]whereMis the mask type ofT.{field0: Ty0, field1: Ty1, field2: Ty2, ...}: The mask type is{field0: M0, field1: M1, field2: M2, ...}whereM0,M1,M2, ... are the corresponding mask types ofTy0,Ty1,Ty2, ...UInt<1>