Add AhbLite3 simulation config

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Dolu1990 2019-03-28 08:32:12 +01:00
parent 7a9f7c4fb9
commit b0522cb491
1 changed files with 177 additions and 0 deletions

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package vexriscv.demo
import spinal.core._
import spinal.lib._
import spinal.lib.bus.avalon.AvalonMM
import spinal.lib.eda.altera.{InterruptReceiverTag, QSysify, ResetEmitterTag}
import vexriscv.ip.{DataCacheConfig, InstructionCacheConfig}
import vexriscv.plugin._
import vexriscv.{VexRiscv, VexRiscvConfig, plugin}
/**
* Created by spinalvm on 14.07.17.
*/
//class VexRiscvAvalon(debugClockDomain : ClockDomain) extends Component{
//
//}
//make clean run DBUS=CACHED_AVALON IBUS=CACHED_AVALON MMU=no CSR=no DEBUG_PLUGIN=AVALON
object VexRiscvAhbLite3ForSim{
def main(args: Array[String]) {
val report = SpinalVerilog{
//CPU configuration
val cpuConfig = VexRiscvConfig(
plugins = List(
new IBusSimplePlugin(
resetVector = 0x80000000l,
cmdForkOnSecondStage = false,
cmdForkPersistence = true,
prediction = STATIC,
catchAccessFault = false,
compressedGen = false
),
new DBusSimplePlugin(
catchAddressMisaligned = false,
catchAccessFault = false
),
// new IBusCachedPlugin(
// config = InstructionCacheConfig(
// cacheSize = 4096,
// bytePerLine =32,
// wayCount = 1,
// addressWidth = 32,
// cpuDataWidth = 32,
// memDataWidth = 32,
// catchIllegalAccess = true,
// catchAccessFault = true,
// catchMemoryTranslationMiss = true,
// asyncTagMemory = false,
// twoCycleRam = true
// )
// // askMemoryTranslation = true,
// // memoryTranslatorPortConfig = MemoryTranslatorPortConfig(
// // portTlbSize = 4
// // )
// ),
// new DBusCachedPlugin(
// config = new DataCacheConfig(
// cacheSize = 4096,
// bytePerLine = 32,
// wayCount = 1,
// addressWidth = 32,
// cpuDataWidth = 32,
// memDataWidth = 32,
// catchAccessError = true,
// catchIllegal = true,
// catchUnaligned = true,
// catchMemoryTranslationMiss = true
// ),
// memoryTranslatorPortConfig = null
// // memoryTranslatorPortConfig = MemoryTranslatorPortConfig(
// // portTlbSize = 6
// // )
// ),
new StaticMemoryTranslatorPlugin(
ioRange = _(31 downto 28) === 0xF
),
new DecoderSimplePlugin(
catchIllegalInstruction = true
),
new RegFilePlugin(
regFileReadyKind = plugin.SYNC,
zeroBoot = false
),
new IntAluPlugin,
new SrcPlugin(
separatedAddSub = false,
executeInsertion = true
),
new FullBarrelShifterPlugin,
new MulPlugin,
new DivPlugin,
new HazardSimplePlugin(
bypassExecute = true,
bypassMemory = true,
bypassWriteBack = true,
bypassWriteBackBuffer = true,
pessimisticUseSrc = false,
pessimisticWriteRegFile = false,
pessimisticAddressMatch = false
),
new DebugPlugin(ClockDomain.current.clone(reset = Bool().setName("debugReset"))),
new BranchPlugin(
earlyBranch = false,
catchAddressMisaligned = true
),
new CsrPlugin(
config = CsrPluginConfig(
catchIllegalAccess = false,
mvendorid = null,
marchid = null,
mimpid = null,
mhartid = null,
misaExtensionsInit = 66,
misaAccess = CsrAccess.NONE,
mtvecAccess = CsrAccess.NONE,
mtvecInit = 0x00000020l,
mepcAccess = CsrAccess.READ_WRITE,
mscratchGen = false,
mcauseAccess = CsrAccess.READ_ONLY,
mbadaddrAccess = CsrAccess.READ_ONLY,
mcycleAccess = CsrAccess.NONE,
minstretAccess = CsrAccess.NONE,
ecallGen = false,
wfiGenAsWait = false,
ucycleAccess = CsrAccess.NONE
)
),
new YamlPlugin("cpu0.yaml")
)
)
//CPU instanciation
val cpu = new VexRiscv(cpuConfig)
//CPU modifications to be an AhbLite3 one
cpu.rework {
for (plugin <- cpuConfig.plugins) plugin match {
case plugin: IBusSimplePlugin => {
plugin.iBus.setAsDirectionLess() //Unset IO properties of iBus
master(plugin.iBus.toAhbLite3Master()).setName("iBusAhbLite3")
}
// case plugin: DBusSimplePlugin => {
// plugin.dBus.setAsDirectionLess()
// master(plugin.dBus.toAhbLite3Master()).setName("dBusAhbLite3")
// }
// case plugin: IBusCachedPlugin => {
// plugin.iBus.setAsDirectionLess() //Unset IO properties of iBus
// iBus = master(plugin.iBus.toAvalon())
// .setName("iBusAvalon")
// .addTag(ClockDomainTag(ClockDomain.current)) //Specify a clock domain to the iBus (used by QSysify)
// }
// case plugin: DBusCachedPlugin => {
// plugin.dBus.setAsDirectionLess()
// master(plugin.dBus.toAvalon())
// .setName("dBusAvalon")
// .addTag(ClockDomainTag(ClockDomain.current))
// }
// case plugin: DebugPlugin => plugin.debugClockDomain {
// plugin.io.bus.setAsDirectionLess()
// slave(plugin.io.bus.fromAvalon())
// .setName("debugBusAvalon")
// .addTag(ClockDomainTag(plugin.debugClockDomain))
// .parent = null //Avoid the io bundle to be interpreted as a QSys conduit
// plugin.io.resetOut
// .addTag(ResetEmitterTag(plugin.debugClockDomain))
// .parent = null //Avoid the io bundle to be interpreted as a QSys conduit
// }
case _ =>
}
}
cpu
}
}
}