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/*
Copyright (c) 2011, 2012, 2013, 2014 The Regents of the University of
California (Regents). All Rights Reserved. Redistribution and use in
source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
two paragraphs of disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
two paragraphs of disclaimer in the documentation and/or other materials
provided with the distribution.
* Neither the name of the Regents nor the names of its contributors
may be used to endorse or promote products derived from this
software without specific prior written permission.
IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
REGENTS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF
ANY, PROVIDED HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION
TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.
*/
/* Unfinished. Has 3 basic parameters available */
package Chisel
import Builder._
// import Node._
import Module._
import JHFormat._
import scala.collection.mutable.HashMap
import scala.collection.mutable.ArrayBuffer
import java.lang.reflect.{Type, ParameterizedType}
import scala.io.Source
import java.io._
//>Params.scala: Implementation of parameter framework. Defines case class
//containers for parameter types. Params object is what actually stores
//the data structures of parameters, whether they are generated from a Chisel
//design, or read from a json file
case class ParamInvalidException(msg: String) extends Exception
abstract class Param[+T] {
def init: T
def max: Int
def min: Int
def pname: String
var index: Int = -2
var gID: Int = -1
var register = Params.register(getComponent(), pname, this)
//def register(pName: String) = { pname = pName; Params.register(jack.getComponent(), pname, this)}
def getValue: T = Params.getValue(getComponent(),this.pname,this).asInstanceOf[T]
}
case class ValueParam(pname:String, init: Any) extends Param[Any] {
val max = init.toString.toInt
val min = init.toString.toInt
}
case class RangeParam(pname:String, init: Int, min: Int, max: Int) extends Param[Int]
case class LessParam(pname:String, init: Int, min: Int, par: Param[Any]) extends Param[Int] {
val max = par.max
}
case class LessEqParam(pname:String, init: Int, min: Int, par: Param[Any]) extends Param[Int] {
val max = par.max
}
case class GreaterParam(pname:String, init: Int, par: Param[Any], max: Int) extends Param[Int] {
val min = par.min
}
case class GreaterEqParam(pname:String, init: Int, par: Param[Any], max: Int) extends Param[Int] {
val min = par.min
}
case class DivisorParam(pname:String, init: Int, min: Int, max: Int, par: Param[Any]) extends Param[Int]
case class EnumParam(pname:String, init: String, values: List[String]) extends Param[String] {
val max = init.toString.toInt
val min = init.toString.toInt
}
object IntParam {
def apply(name: String, init: Int) = RangeParam(name, init, init, init)
}
object Params {
type Space = JHFormat.Space
var space = new Space
var design = new Space
var modules = new HashMap[String, Module]
var gID: Int = 0
var buildingSpace = true
def getValue(module: Module, pname: String, p: Param[Any]) = {
val mname= if(module == null) "TOP" else {module.getClass.getName}
if(buildingSpace) p.init
else{
val x = design.find(t => (t._3) == (p.gID))
if(x.isEmpty){
throw new ParamInvalidException("Missing parameter " + pname + " in Module " + mname)
} else {
x.get._2.init
}
}
}
def register(module: Module, pname: String, p: Param[Any]) = {
val mname= if(module == null) "TOP" else {module.getClass.getName}
modules(mname) = module
if(buildingSpace) {
space += ((mname,p,gID))
}
p.gID = gID
gID += 1
p
}
def dump_file(filename: String, design: Space) = {
val string = JHFormat.serialize(design)
val writer = new PrintWriter(new File(filename))
println("Dumping to " + filename + ":\n" + string)
writer.write(string)
writer.close()
}
def dump(dir: String) = {
buildingSpace = false
dump_file(dir + "/" + JHFormat.spaceName, Params.space)
}
def load(designName: String) = {
buildingSpace = false
design = JHFormat.deserialize(designName)
gID = 0
}
def toCxxStringParams : String = {
var string = new StringBuilder("")
for ((mname, p, gID) <- space) {
val rmname = if (mname == "TOP") "" else modules(mname).name + "__";
string ++= "const int " + rmname + p.pname + " = " + toCxxStringParam(p) + ";\n"
}
string.toString
}
def toDotpStringParams : String = {
var string = new StringBuilder("")
for ((mname, p, gID) <- space) {
val rmname = if (mname == "TOP") "" else modules(mname).name + ":";
string ++= rmname + p.pname + " = " + toCxxStringParam(p) + "\n"
}
string.toString
}
def toCxxStringParam(param: Param[Any]) = {
param match {
// case EnumParam(init, list) =>
//"(range," + init + "," + list + ")"
// "const int " + name + " = " + init + ";\n"
case ValueParam(pname, init) =>
init.toString
case RangeParam(pname, init, min, max) =>
init.toString
case LessParam(pname, init, min, par) =>
init.toString
case LessEqParam(pname, init, min, par) =>
init.toString
case GreaterParam(pname, init, min, par) =>
init.toString
case GreaterEqParam(pname, init, min, par) =>
init.toString
case DivisorParam(pname, init, min, max, par) =>
init.toString
case EnumParam(pname, init, values) =>
init.toString
case _ =>
throw new ParamInvalidException("Unknown parameter class!"); ""
}
}
}
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