diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/main/scala/Chisel/Core.scala | 69 |
1 files changed, 33 insertions, 36 deletions
diff --git a/src/main/scala/Chisel/Core.scala b/src/main/scala/Chisel/Core.scala index 8545c8e8..52b7ea48 100644 --- a/src/main/scala/Chisel/Core.scala +++ b/src/main/scala/Chisel/Core.scala @@ -1172,45 +1172,42 @@ class Emitter { case e: ClockType => s"Clock" } } - def emit(e: Command): String = { - e match { - case e: DefUInt => s"node ${e.name} = UInt<${e.width}>(${e.value})" - case e: DefSInt => s"node ${e.name} = SInt<${e.width}>(${e.value})" - case e: DefFlo => s"node ${e.name} = Flo(${e.value})" - case e: DefDbl => s"node ${e.name} = Dbl(${e.value})" - case e: DefPrim => - "node " + e.name + " = " + emit(e.op) + "(" + join(e.args.map(x => emit(x)) ++ e.lits.map(x => x.toString), ", ") + ")" - case e: DefWire => s"wire ${e.name} : ${emitType(e.kind)}" - case e: DefRegister => s"reg ${e.name} : ${emitType(e.kind)}, ${e.clock.name}, ${e.reset.name}" - case e: DefMemory => s"cmem ${e.name} : ${emitType(e.kind)}[${e.size}], ${e.clock.name}"; - case e: DefSeqMemory => s"smem ${e.name} : ${emitType(e.kind)}[${e.size}]"; - case e: DefAccessor => s"infer accessor ${e.name} = ${emit(e.source)}[${emit(e.index)}]" - case e: DefInstance => { - val mod = e.id - // update all references to the modules ports - overrideRefForId(mod.io, e.name) - "inst " + e.name + " of " + e.module + newline + join0(e.ports.flatMap(x => initPort(x, INPUT)), newline) + def emit(e: Command): String = e match { + case e: DefUInt => s"node ${e.name} = UInt<${e.width}>(${e.value})" + case e: DefSInt => s"node ${e.name} = SInt<${e.width}>(${e.value})" + case e: DefFlo => s"node ${e.name} = Flo(${e.value})" + case e: DefDbl => s"node ${e.name} = Dbl(${e.value})" + case e: DefPrim => s"node ${e.name} = ${emit(e.op)}(${join(e.args.map(x => emit(x)) ++ e.lits.map(x => x.toString), ", ")})" + case e: DefWire => s"wire ${e.name} : ${emitType(e.kind)}" + case e: DefRegister => s"reg ${e.name} : ${emitType(e.kind)}, ${e.clock.name}, ${e.reset.name}" + case e: DefMemory => s"cmem ${e.name} : ${emitType(e.kind)}[${e.size}], ${e.clock.name}"; + case e: DefSeqMemory => s"smem ${e.name} : ${emitType(e.kind)}[${e.size}]"; + case e: DefAccessor => s"infer accessor ${e.name} = ${emit(e.source)}[${emit(e.index)}]" + case e: DefInstance => { + val mod = e.id + // update all references to the modules ports + overrideRefForId(mod.io, e.name) + "inst " + e.name + " of " + e.module + newline + join0(e.ports.flatMap(x => initPort(x, INPUT)), newline) + } + case e: Conditionally => { + val prefix = if (!e.prep.isInstanceOf[EmptyCommand]) { + newline + emit(e.prep) + newline + } else { + "" } - case e: Conditionally => { - val prefix = if (!e.prep.isInstanceOf[EmptyCommand]) { - newline + emit(e.prep) + newline - } else { - "" - } - val suffix = if (!e.alt.isInstanceOf[EmptyCommand]) { - newline + "else : " + withIndent{ newline + emit(e.alt) } - } else { - "" - } - prefix + "when " + emit(e.pred) + " : " + withIndent{ emit(e.conseq) } + suffix + val suffix = if (!e.alt.isInstanceOf[EmptyCommand]) { + newline + "else : " + withIndent{ newline + emit(e.alt) } + } else { + "" } - case e: Begin => join0(e.body.map(x => emit(x)), newline).toString - case e: Connect => emit(e.loc) + " := " + emit(e.exp) - case e: BulkConnect => emit(e.loc1) + " <> " + emit(e.loc2) - case e: ConnectInit => "onreset " + emit(e.loc) + " := " + emit(e.exp) - case e: ConnectInitIndex => "onreset " + emit(e.loc) + "[" + e.index + "] := " + emit(e.exp) - case e: EmptyCommand => "skip" + prefix + "when " + emit(e.pred) + " : " + withIndent{ emit(e.conseq) } + suffix } + case e: Begin => join0(e.body.map(x => emit(x)), newline).toString + case e: Connect => s"${emit(e.loc)} := ${emit(e.exp)}" + case e: BulkConnect => s"${emit(e.loc1)} <> ${emit(e.loc2)}" + case e: ConnectInit => s"onreset ${emit(e.loc)} := ${emit(e.exp)}" + case e: ConnectInitIndex => s"onreset ${emit(e.loc)}[${e.index}] := ${emit(e.exp)}" + case e: EmptyCommand => "skip" } def initPort(p: Port, dir: Direction) = { for (x <- p.id.flatten; if x.dir == dir) |