package vexriscv.demo

import vexriscv.plugin._
import vexriscv.{VexRiscv, VexRiscvConfig, plugin}
import spinal.core._
import vexriscv.ip.InstructionCacheConfig

/**
 * Created by spinalvm on 15.06.17.
 */
object GenSmallAndProductiveICache extends App{
  def cpu() = new VexRiscv(
    config = VexRiscvConfig(
      plugins = List(
        new PcManagerSimplePlugin(
          resetVector = 0x80000000l,
          relaxedPcCalculation = false
        ),
        new IBusCachedPlugin(
          config = InstructionCacheConfig(
            cacheSize = 4096,
            bytePerLine = 32,
            wayCount = 1,
            addressWidth = 32,
            cpuDataWidth = 32,
            memDataWidth = 32,
            catchIllegalAccess = false,
            catchAccessFault = false,
            asyncTagMemory = false,
            twoCycleRam = false,
            twoCycleCache = true
          )
        ),
        new DBusSimplePlugin(
          catchAddressMisaligned = false,
          catchAccessFault = false
        ),
        new CsrPlugin(CsrPluginConfig.smallest),
        new DecoderSimplePlugin(
          catchIllegalInstruction = false
        ),
        new RegFilePlugin(
          regFileReadyKind = plugin.SYNC,
          zeroBoot = false
        ),
        new IntAluPlugin,
        new SrcPlugin(
          separatedAddSub = false,
          executeInsertion = true
        ),
        new LightShifterPlugin,
        new HazardSimplePlugin(
          bypassExecute           = true,
          bypassMemory            = true,
          bypassWriteBack         = true,
          bypassWriteBackBuffer   = true,
          pessimisticUseSrc       = false,
          pessimisticWriteRegFile = false,
          pessimisticAddressMatch = false
        ),
        new BranchPlugin(
          earlyBranch = false,
          catchAddressMisaligned = false
        ),
        new YamlPlugin("cpu0.yaml")
      )
    )
  )

  SpinalVerilog(cpu())
}