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rocket-chip/src/main/scala/rocketchip/Utils.scala

62 lines
1.6 KiB
Scala

// See LICENSE.SiFive for license details.
package rocketchip
import config._
import junctions._
import diplomacy._
import uncore.devices._
import tile.XLen
import coreplex._
import uncore.tilelink2._
import util._
import java.nio.file.{Files, Paths}
import java.nio.{ByteBuffer, ByteOrder}
class RangeManager {
private var finalized = false
private val l = collection.mutable.ListBuffer[(String, Int)]()
def add(name: String, element: Int) = { require(!finalized); l += (name -> element) }
def rangeMap = {
finalized = true
(l map {
var sum = 0
x => { sum += x._2; (x._1 -> (sum-x._2, sum)) }
}).toMap
}
def range(name: String) = rangeMap(name)
def print = {
rangeMap.toSeq.sortBy(_._2).foreach { case (name, (start, end)) =>
println(s"${name} on int ${start}-${end-1}")
}
}
def sum = {
finalized = true
l.map(_._2).sum
}
}
class ResourceManager[T] {
private var finalized = false
private val l = collection.mutable.ArrayBuffer[T]()
def add(element: T) = { require(!finalized); l += element }
def add(list: Seq[T]) = { require(!finalized); l ++= list }
def get: Seq[T] = { finalized = true; l }
}
class GlobalVariable[T] {
private var assigned = false
private var variable: T = _
def assign(value: T) = { require(!assigned); assigned = true; variable = value }
def get: T = { require(assigned); variable }
}
object GenerateBootROM {
def apply(dtb: DTB)(implicit p: Parameters) = {
val romdata = Files.readAllBytes(Paths.get(p(BootROMFile)))
val rom = ByteBuffer.wrap(romdata)
rom.array() ++ dtb.contents
}
}