Upstream MemConf and use it (with some slight tweaks)
This commit is contained in:
committed by
Colin Schmidt
parent
c23b2b6f84
commit
82636b3ff4
@@ -1,59 +0,0 @@
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// See LICENSE for license details.
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package barstools.macros
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import scala.util.matching._
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sealed abstract class MemPort(val name: String) { override def toString = name }
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case object ReadPort extends MemPort("read")
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case object WritePort extends MemPort("write")
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case object MaskedWritePort extends MemPort("mwrite")
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case object ReadWritePort extends MemPort("rw")
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case object MaskedReadWritePort extends MemPort("mrw")
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object MemPort {
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val all = Set(ReadPort, WritePort, MaskedWritePort, ReadWritePort, MaskedReadWritePort)
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def apply(s: String): Option[MemPort] = MemPort.all.find(_.name == s)
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def fromString(s: String): Seq[MemPort] = {
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s.split(",").toSeq.map(MemPort.apply).map(_ match {
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case Some(x) => x
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case _ => throw new Exception(s"Error parsing MemPort string : ${s}")
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})
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}
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}
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// This is based on firrtl.passes.memlib.ConfWriter
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// TODO standardize this in FIRRTL
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case class MemConf(
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name: String,
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depth: BigInt,
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width: Int,
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ports: Seq[MemPort],
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maskGranularity: Option[Int]
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) {
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private def portsStr = ports.map(_.name).mkString(",")
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private def maskGranStr = maskGranularity.map((p) => s"mask_gran $p").getOrElse("")
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override def toString() = s"name ${name} depth ${depth} width ${width} ports ${portsStr} ${maskGranStr} "
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}
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object MemConf {
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val regex = raw"\s*name\s+(\w+)\s+depth\s+(\d+)\s+width\s+(\d+)\s+ports\s+([^\s]+)\s+(?:mask_gran\s+(\d+))?\s*".r
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def fromString(s: String): Seq[MemConf] = {
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if (s.isEmpty) {
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Seq[MemConf]()
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} else {
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s.split("\n").toSeq.map(_ match {
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case MemConf.regex(name, depth, width, ports, maskGran) => MemConf(name, BigInt(depth), width.toInt, MemPort.fromString(ports), Option(maskGran).map(_.toInt))
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case _ => throw new Exception(s"Error parsing MemConf string : ${s}")
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})
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}
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}
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}
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@@ -5,6 +5,7 @@ package barstools.macros
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import firrtl._
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import firrtl.ir._
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import firrtl.PrimOps
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import firrtl.passes.memlib.{MemConf, MemPort, ReadPort, WritePort, ReadWritePort, MaskedWritePort, MaskedReadWritePort}
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import firrtl.Utils.{ceilLog2, BoolType}
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import mdf.macrolib.{Constant, MacroPort, SRAMMacro}
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import mdf.macrolib.{PolarizedPort, PortPolarity, ActiveLow, ActiveHigh, NegativeEdge, PositiveEdge, MacroExtraPort}
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@@ -78,7 +79,8 @@ object Utils {
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}
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def readConfFromString(str: String): Seq[mdf.macrolib.Macro] = {
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MemConf.fromString(str).map { m:MemConf =>
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SRAMMacro(m.name, m.width, m.depth, Utils.portSpecToFamily(m.ports), Utils.portSpecToMacroPort(m.width, m.depth, m.maskGranularity, m.ports))
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val ports = m.ports.map { case (port, num) => Seq.fill(num)(port) } reduce (_ ++ _)
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SRAMMacro(m.name, m.width, m.depth, Utils.portSpecToFamily(ports), Utils.portSpecToMacroPort(m.width, m.depth, m.maskGranularity, ports))
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}
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}
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def portSpecToFamily(ports: Seq[MemPort]): String = {
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