33 lines
1.0 KiB
Scala
33 lines
1.0 KiB
Scala
package rocketchip
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import Chisel.log2Ceil
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import cde.{Parameters, Field}
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import scala.collection.mutable.HashMap
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import junctions._
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case object GlobalDeviceSet extends Field[DeviceSet]
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case class Device(name: String, size: Int, dtype: String,
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readable: Boolean = true, writeable: Boolean = true)
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class DeviceSet {
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val deviceMap = new HashMap[String, Device]()
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def addDevice(name: String, size: Int, dtype: String, readable: Boolean = true, writeable: Boolean = true): Unit =
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addDevice(Device(name, size, dtype, readable, writeable))
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def addDevice(dev: Device): Unit =
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deviceMap(dev.name) = dev
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def toSeq: Seq[Device] = deviceMap.values.toSeq
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def getAddrMap: AddrMap = {
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val devices = this.toSeq.sortWith((a, b) => a.size > b.size)
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val entries = devices.map { case Device(name, size, _, readable, writeable) =>
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val prot = (if (readable) AddrMapProt.R else 0) | (if (writeable) AddrMapProt.W else 0)
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AddrMapEntry(name, MemSize(size, MemAttr(prot)))
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}
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new AddrMap(entries)
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}
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}
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