LrSc SMP, linux crash in userspace
This commit is contained in:
Dolu1990
parent
f2ef8e95ab
commit
2eec18de65
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@ -26,29 +26,40 @@ import vexriscv.ip._
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import spinal.lib.bus.avalon.AvalonMM
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import spinal.lib.eda.altera.{InterruptReceiverTag, ResetEmitterTag}
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//make clean all SEED=42 MMU=no STOP_ON_ERROR=yes SMP=yes SUPERVISOR=yes REDO=10 DHRYSTONE=no LRSC=yes LINUX_REGRESSION=yes TRACE=yes TRACE_START=1000000000000l FLOW_INFO=no
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object TestsWorkspace {
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def main(args: Array[String]) {
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def configFull = {
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val config = VexRiscvConfig(
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plugins = List(
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new MmuPlugin(
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ioRange = x => x(31 downto 28) === 0xF
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),
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//Uncomment the whole IBusSimplePlugin and comment IBusCachedPlugin if you want uncached iBus config
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// new IBusSimplePlugin(
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// resetVector = 0x80000000l,
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// cmdForkOnSecondStage = false,
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// cmdForkPersistence = false,
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// prediction = NONE,
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// prediction = DYNAMIC_TARGET,
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// historyRamSizeLog2 = 10,
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// catchAccessFault = false,
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// compressedGen = false,
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// catchAccessFault = true,
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// compressedGen = true,
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// busLatencyMin = 1,
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// injectorStage = true
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// injectorStage = true,
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// memoryTranslatorPortConfig = withMmu generate MmuPortConfig(
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// portTlbSize = 4
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// )
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// ),
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//Uncomment the whole IBusCachedPlugin and comment IBusSimplePlugin if you want cached iBus config
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new IBusCachedPlugin(
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resetVector = 0x80000000l,
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compressedGen = false,
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prediction = NONE,
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injectorStage = true,
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prediction = STATIC,
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injectorStage = false,
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config = InstructionCacheConfig(
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cacheSize = 4096,
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cacheSize = 4096*1,
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bytePerLine = 32,
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wayCount = 1,
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addressWidth = 32,
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@ -59,20 +70,28 @@ object TestsWorkspace {
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asyncTagMemory = false,
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twoCycleRam = false,
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twoCycleCache = true
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// )
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),
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memoryTranslatorPortConfig = MemoryTranslatorPortConfig(
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memoryTranslatorPortConfig = MmuPortConfig(
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portTlbSize = 4
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)
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),
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// ).newTightlyCoupledPort(TightlyCoupledPortParameter("iBusTc", a => a(30 downto 28) === 0x0 && a(5))),
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// ).newTightlyCoupledPort(TightlyCoupledPortParameter("iBusTc", a => a(30 downto 28) === 0x0 && a(5))),
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// new DBusSimplePlugin(
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// catchAddressMisaligned = true,
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// catchAccessFault = false,
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// earlyInjection = false
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// catchAccessFault = true,
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// earlyInjection = false,
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// withLrSc = true,
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// memoryTranslatorPortConfig = withMmu generate MmuPortConfig(
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// portTlbSize = 4
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// )
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// ),
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new DBusCachedPlugin(
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dBusCmdMasterPipe = true,
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dBusCmdSlavePipe = true,
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dBusRspSlavePipe = true,
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config = new DataCacheConfig(
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cacheSize = 4096,
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cacheSize = 4096*1,
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bytePerLine = 32,
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wayCount = 1,
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addressWidth = 32,
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@ -81,33 +100,34 @@ object TestsWorkspace {
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catchAccessError = true,
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catchIllegal = true,
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catchUnaligned = true,
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withLrSc = true
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withLrSc = true,
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withAmo = false,
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withSmp = true
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// )
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),
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// memoryTranslatorPortConfig = null
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memoryTranslatorPortConfig = MemoryTranslatorPortConfig(
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portTlbSize = 6
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memoryTranslatorPortConfig = MmuPortConfig(
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portTlbSize = 4
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)
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),
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// new StaticMemoryTranslatorPlugin(
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// new MemoryTranslatorPlugin(
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// tlbSize = 32,
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// virtualRange = _(31 downto 28) === 0xC,
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// ioRange = _(31 downto 28) === 0xF
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// ),
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new MemoryTranslatorPlugin(
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tlbSize = 32,
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virtualRange = _(31 downto 28) === 0xC,
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ioRange = _(31 downto 28) === 0xF
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),
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new DecoderSimplePlugin(
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catchIllegalInstruction = true
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),
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new RegFilePlugin(
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regFileReadyKind = plugin.ASYNC,
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regFileReadyKind = plugin.SYNC,
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zeroBoot = true
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),
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new IntAluPlugin,
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new SrcPlugin(
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separatedAddSub = false
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),
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new FullBarrelShifterPlugin(earlyInjection = true),
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new FullBarrelShifterPlugin(earlyInjection = false),
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// new LightShifterPlugin,
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new HazardSimplePlugin(
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bypassExecute = true,
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@ -128,7 +148,7 @@ object TestsWorkspace {
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divUnrollFactor = 1
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),
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// new DivPlugin,
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new CsrPlugin(CsrPluginConfig.all(0x80000020l)),
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new CsrPlugin(CsrPluginConfig.all2(0x80000020l).copy(ebreakGen = false)),
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// new CsrPlugin(//CsrPluginConfig.all2(0x80000020l).copy(ebreakGen = true)/*
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// CsrPluginConfig(
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// catchIllegalAccess = false,
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@ -154,9 +174,9 @@ object TestsWorkspace {
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// )),
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new DebugPlugin(ClockDomain.current.clone(reset = Bool().setName("debugReset"))),
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new BranchPlugin(
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earlyBranch = true,
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earlyBranch = false,
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catchAddressMisaligned = true,
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fenceiGenAsAJump = true
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fenceiGenAsAJump = false
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),
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new YamlPlugin("cpu0.yaml")
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)
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@ -175,6 +175,7 @@ case class DataCacheMemCmd(p : DataCacheConfig) extends Bundle{
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val last = Bool
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}
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case class DataCacheMemRsp(p : DataCacheConfig) extends Bundle{
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val last = Bool()
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val data = Bits(p.memDataWidth bit)
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val error = Bool
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val exclusive = p.withSmp generate Bool()
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@ -446,15 +447,18 @@ class DataCache(p : DataCacheConfig) extends Component{
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io.cpu.execute.haltIt := False
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val rspSync = True
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val rspLast = True
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val memCmdSent = RegInit(False) setWhen (io.mem.cmd.ready) clearWhen (!io.cpu.writeBack.isStuck)
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val pending = withSmp generate new Area{
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val counter = Reg(UInt(log2Up(pendingMax) + 1 bits)) init(0)
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counter := counter + U(io.mem.cmd.fire && io.mem.cmd.last) - U(io.mem.rsp.valid)
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counter := counter + U(io.mem.cmd.fire && io.mem.cmd.last) - U(io.mem.rsp.valid && io.mem.rsp.last)
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val full = RegNext(counter.msb)
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val last = counter === 1
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io.cpu.execute.haltIt setWhen(full)
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rspSync clearWhen(!last)
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rspSync clearWhen(!last || !memCmdSent)
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rspLast clearWhen(!last)
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}
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@ -568,8 +572,15 @@ class DataCache(p : DataCacheConfig) extends Component{
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}
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val cpuWriteToCache = False
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when(cpuWriteToCache){
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dataWriteCmd.valid setWhen(request.wr && waysHit)
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dataWriteCmd.address := mmuRsp.physicalAddress(lineRange.high downto wordRange.low)
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dataWriteCmd.data := requestDataBypass
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dataWriteCmd.mask := mask
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dataWriteCmd.way := waysHits
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}
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val memCmdSent = RegInit(False) setWhen (io.mem.cmd.ready) clearWhen (!io.cpu.writeBack.isStuck)
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io.cpu.redo := False
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io.cpu.writeBack.accessError := False
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io.cpu.writeBack.mmuException := io.cpu.writeBack.isValid && (if(catchIllegal) mmuRsp.exception || (!mmuRsp.allowWrite && request.wr) || (!mmuRsp.allowRead && (!request.wr || isAmo)) else False)
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@ -579,14 +590,16 @@ class DataCache(p : DataCacheConfig) extends Component{
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io.mem.cmd.valid := False
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io.mem.cmd.address.assignDontCare()
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io.mem.cmd.length.assignDontCare()
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io.mem.cmd.last.assignDontCare()
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io.mem.cmd.last := True
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io.mem.cmd.wr := request.wr
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io.mem.cmd.mask := mask
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io.mem.cmd.data := requestDataBypass
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if(withExternalLrSc) io.mem.cmd.exclusive := request.isLrsc || (if(withAmo) request.isAmo else False)
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val bypassCache = mmuRsp.isIoAccess || (if(withExternalLrSc) request.isLrsc else False)
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when(io.cpu.writeBack.isValid) {
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when(mmuRsp.isIoAccess || (if(withExternalLrSc) request.isLrsc else False)) {
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when(bypassCache) {
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val waitResponse = !request.wr
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if(withExternalLrSc) waitResponse setWhen(request.isLrsc)
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@ -595,7 +608,6 @@ class DataCache(p : DataCacheConfig) extends Component{
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io.mem.cmd.valid := !memCmdSent
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io.mem.cmd.address := mmuRsp.physicalAddress(tagRange.high downto wordRange.low) @@ U(0, wordRange.low bit)
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io.mem.cmd.length := 0
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io.mem.cmd.last := True
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if(withInternalLrSc) when(request.isLrsc && !lrSc.reserved){
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io.mem.cmd.valid := False
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@ -603,18 +615,12 @@ class DataCache(p : DataCacheConfig) extends Component{
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}
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} otherwise {
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when(waysHit || request.wr && !isAmo) { //Do not require a cache refill ?
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//Data cache update
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dataWriteCmd.valid setWhen(request.wr && waysHit)
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dataWriteCmd.address := mmuRsp.physicalAddress(lineRange.high downto wordRange.low)
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dataWriteCmd.data := requestDataBypass
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dataWriteCmd.mask := mask
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dataWriteCmd.way := waysHits
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cpuWriteToCache := True
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//Write through
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io.mem.cmd.valid setWhen(request.wr)
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io.mem.cmd.address := mmuRsp.physicalAddress(tagRange.high downto wordRange.low) @@ U(0, wordRange.low bit)
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io.mem.cmd.length := 0
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io.mem.cmd.last := True
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io.cpu.writeBack.haltIt clearWhen(!request.wr || io.mem.cmd.ready)
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if(withAmo) when(isAmo){
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@ -642,22 +648,29 @@ class DataCache(p : DataCacheConfig) extends Component{
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io.mem.cmd.wr := False
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io.mem.cmd.address := mmuRsp.physicalAddress(tagRange.high downto lineRange.low) @@ U(0,lineRange.low bit)
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io.mem.cmd.length := p.burstLength-1
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io.mem.cmd.last := True
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loaderValid setWhen(io.mem.cmd.ready)
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}
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}
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}
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when(mmuRsp.isIoAccess){
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when(bypassCache){
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io.cpu.writeBack.data := io.mem.rsp.data
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if(catchAccessError) io.cpu.writeBack.accessError := io.mem.rsp.valid && io.mem.rsp.error
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} otherwise {
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io.cpu.writeBack.data := dataMux
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if(catchAccessError) io.cpu.writeBack.accessError := (waysHits & B(tagsReadRsp.map(_.error))) =/= 0
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}
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if(withLrSc) when(request.isLrsc && request.wr){
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io.cpu.writeBack.data := B(!lrSc.reserved || !io.mem.rsp.exclusive).resized
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val success = CombInit(lrSc.reserved)
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if(withExternalLrSc) success clearWhen(!io.mem.rsp.exclusive)
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io.cpu.writeBack.data := B(!success).resized
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if(withExternalLrSc) when(io.cpu.writeBack.isValid && io.mem.rsp.valid && rspSync && success && waysHit){
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cpuWriteToCache := True
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}
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}
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if(withAmo) when(request.isAmo){
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requestDataBypass := internalAmo.resultReg
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@ -687,7 +700,7 @@ class DataCache(p : DataCacheConfig) extends Component{
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val waysAllocator = Reg(Bits(wayCount bits)) init(1)
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val error = RegInit(False)
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when(valid && io.mem.rsp.valid && rspSync){
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when(valid && io.mem.rsp.valid && rspLast){
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dataWriteCmd.valid := True
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dataWriteCmd.address := baseAddress(lineRange) @@ counter
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dataWriteCmd.data := io.mem.rsp.data
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@ -5,7 +5,7 @@ build/lrsc.elf: file format elf32-littleriscv
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Disassembly of section .crt_section:
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80000000 <trap_entry-0x20>:
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80000000: 04c0006f j 8000004c <_start>
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80000000: 06c0006f j 8000006c <_start>
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80000004: 00000013 nop
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80000008: 00000013 nop
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8000000c: 00000013 nop
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@ -29,115 +29,152 @@ Disassembly of section .crt_section:
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80000044: 341e9073 csrw mepc,t4
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80000048: 30200073 mret
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8000004c <_start>:
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8000004c: 00100e13 li t3,1
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80000050: 10000537 lui a0,0x10000
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80000054: 06400593 li a1,100
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80000058: 06500613 li a2,101
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8000005c: 06600693 li a3,102
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80000060: 00d52023 sw a3,0(a0) # 10000000 <trap_entry-0x70000020>
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80000064: 18b5262f sc.w a2,a1,(a0)
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80000068: 00100713 li a4,1
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8000006c: 14e61a63 bne a2,a4,800001c0 <fail>
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80000070: 00052703 lw a4,0(a0)
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80000074: 14e69663 bne a3,a4,800001c0 <fail>
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80000078: 00200e13 li t3,2
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8000007c: 10000537 lui a0,0x10000
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80000080: 00450513 addi a0,a0,4 # 10000004 <trap_entry-0x7000001c>
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80000084: 06700593 li a1,103
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80000088: 06800613 li a2,104
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8000008c: 06900693 li a3,105
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80000090: 00d52023 sw a3,0(a0)
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80000094: 18b5262f sc.w a2,a1,(a0)
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80000098: 00100713 li a4,1
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8000009c: 12e61263 bne a2,a4,800001c0 <fail>
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800000a0: 00052703 lw a4,0(a0)
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800000a4: 10e69e63 bne a3,a4,800001c0 <fail>
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800000a8: 00300e13 li t3,3
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800000ac: 10000537 lui a0,0x10000
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800000b0: 00450513 addi a0,a0,4 # 10000004 <trap_entry-0x7000001c>
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800000b4: 06700593 li a1,103
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800000b8: 06800613 li a2,104
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800000bc: 06900693 li a3,105
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800000c0: 18b5262f sc.w a2,a1,(a0)
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800000c4: 00100713 li a4,1
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800000c8: 0ee61c63 bne a2,a4,800001c0 <fail>
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8000004c <flush>:
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8000004c: 200002b7 lui t0,0x20000
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80000050: 00001337 lui t1,0x1
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80000054: 02000393 li t2,32
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80000058 <flushLoop>:
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80000058: 0002ae03 lw t3,0(t0) # 20000000 <trap_entry-0x60000020>
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8000005c: 006282b3 add t0,t0,t1
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80000060: fff38393 addi t2,t2,-1
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80000064: fe039ae3 bnez t2,80000058 <flushLoop>
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80000068: 00008067 ret
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8000006c <_start>:
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8000006c: 00100e13 li t3,1
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80000070: 10000537 lui a0,0x10000
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80000074: 06400593 li a1,100
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80000078: 06500613 li a2,101
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8000007c: 06600693 li a3,102
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80000080: 00d52023 sw a3,0(a0) # 10000000 <trap_entry-0x70000020>
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80000084: 18b5262f sc.w a2,a1,(a0)
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80000088: 00100713 li a4,1
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8000008c: 18e61863 bne a2,a4,8000021c <fail>
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80000090: 00052703 lw a4,0(a0)
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80000094: 18e69463 bne a3,a4,8000021c <fail>
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80000098 <test2>:
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80000098: 00200e13 li t3,2
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8000009c: 10000537 lui a0,0x10000
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800000a0: 00450513 addi a0,a0,4 # 10000004 <trap_entry-0x7000001c>
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800000a4: 06700593 li a1,103
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800000a8: 06800613 li a2,104
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800000ac: 06900693 li a3,105
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800000b0: 00d52023 sw a3,0(a0)
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800000b4: 18b5262f sc.w a2,a1,(a0)
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800000b8: 00100713 li a4,1
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800000bc: 16e61063 bne a2,a4,8000021c <fail>
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800000c0: 00052703 lw a4,0(a0)
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800000c4: 14e69c63 bne a3,a4,8000021c <fail>
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800000c8: f85ff0ef jal ra,8000004c <flush>
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800000cc: 00052703 lw a4,0(a0)
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800000d0: 0ee69863 bne a3,a4,800001c0 <fail>
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800000d4: 00400e13 li t3,4
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800000d0: 14e69663 bne a3,a4,8000021c <fail>
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800000d4 <test3>:
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800000d4: 00300e13 li t3,3
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800000d8: 10000537 lui a0,0x10000
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800000dc: 00850513 addi a0,a0,8 # 10000008 <trap_entry-0x70000018>
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800000e0: 06a00593 li a1,106
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800000e4: 06b00613 li a2,107
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800000e8: 06c00693 li a3,108
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800000ec: 00d52023 sw a3,0(a0)
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800000f0: 100527af lr.w a5,(a0)
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800000f4: 18b5262f sc.w a2,a1,(a0)
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800000f8: 0cd79463 bne a5,a3,800001c0 <fail>
|
||||
800000fc: 0c061263 bnez a2,800001c0 <fail>
|
||||
80000100: 00052703 lw a4,0(a0)
|
||||
80000104: 0ae59e63 bne a1,a4,800001c0 <fail>
|
||||
80000108: 00500e13 li t3,5
|
||||
8000010c: 10000537 lui a0,0x10000
|
||||
80000110: 00850513 addi a0,a0,8 # 10000008 <trap_entry-0x70000018>
|
||||
80000114: 06d00593 li a1,109
|
||||
80000118: 06e00613 li a2,110
|
||||
8000011c: 06f00693 li a3,111
|
||||
80000120: 00d52023 sw a3,0(a0)
|
||||
80000124: 18b5262f sc.w a2,a1,(a0)
|
||||
80000128: 08060c63 beqz a2,800001c0 <fail>
|
||||
8000012c: 00052703 lw a4,0(a0)
|
||||
80000130: 08e69863 bne a3,a4,800001c0 <fail>
|
||||
80000134: 00700e13 li t3,7
|
||||
80000138: 10000537 lui a0,0x10000
|
||||
8000013c: 01450513 addi a0,a0,20 # 10000014 <trap_entry-0x7000000c>
|
||||
80000140: 07800593 li a1,120
|
||||
80000144: 07900613 li a2,121
|
||||
80000148: 07a00693 li a3,122
|
||||
8000014c: 01000e93 li t4,16
|
||||
800000dc: 00450513 addi a0,a0,4 # 10000004 <trap_entry-0x7000001c>
|
||||
800000e0: 06700593 li a1,103
|
||||
800000e4: 06800613 li a2,104
|
||||
800000e8: 06900693 li a3,105
|
||||
800000ec: 18b5262f sc.w a2,a1,(a0)
|
||||
800000f0: 00100713 li a4,1
|
||||
800000f4: 12e61463 bne a2,a4,8000021c <fail>
|
||||
800000f8: 00052703 lw a4,0(a0)
|
||||
800000fc: 12e69063 bne a3,a4,8000021c <fail>
|
||||
80000100: f4dff0ef jal ra,8000004c <flush>
|
||||
80000104: 00052703 lw a4,0(a0)
|
||||
80000108: 10e69a63 bne a3,a4,8000021c <fail>
|
||||
|
||||
80000150 <test7>:
|
||||
80000150: 00d52023 sw a3,0(a0)
|
||||
80000154: 100527af lr.w a5,(a0)
|
||||
80000158: 18b5262f sc.w a2,a1,(a0)
|
||||
8000015c: 06d79263 bne a5,a3,800001c0 <fail>
|
||||
80000160: 06061063 bnez a2,800001c0 <fail>
|
||||
80000164: 00052703 lw a4,0(a0)
|
||||
80000168: 04e59c63 bne a1,a4,800001c0 <fail>
|
||||
8000016c: fffe8e93 addi t4,t4,-1
|
||||
80000170: 00450513 addi a0,a0,4
|
||||
80000174: 00358593 addi a1,a1,3
|
||||
80000178: 00360613 addi a2,a2,3
|
||||
8000017c: 00368693 addi a3,a3,3
|
||||
80000180: fc0e98e3 bnez t4,80000150 <test7>
|
||||
80000184: 00900e13 li t3,9
|
||||
8000010c <test4>:
|
||||
8000010c: 00400e13 li t3,4
|
||||
80000110: 10000537 lui a0,0x10000
|
||||
80000114: 00850513 addi a0,a0,8 # 10000008 <trap_entry-0x70000018>
|
||||
80000118: 06a00593 li a1,106
|
||||
8000011c: 06b00613 li a2,107
|
||||
80000120: 06c00693 li a3,108
|
||||
80000124: 00d52023 sw a3,0(a0)
|
||||
80000128: 100527af lr.w a5,(a0)
|
||||
8000012c: 18b5262f sc.w a2,a1,(a0)
|
||||
80000130: 0ed79663 bne a5,a3,8000021c <fail>
|
||||
80000134: 0e061463 bnez a2,8000021c <fail>
|
||||
80000138: 00052703 lw a4,0(a0)
|
||||
8000013c: 0ee59063 bne a1,a4,8000021c <fail>
|
||||
80000140: f0dff0ef jal ra,8000004c <flush>
|
||||
80000144: 00052703 lw a4,0(a0)
|
||||
80000148: 0ce59a63 bne a1,a4,8000021c <fail>
|
||||
|
||||
8000014c <test5>:
|
||||
8000014c: 00500e13 li t3,5
|
||||
80000150: 10000537 lui a0,0x10000
|
||||
80000154: 00850513 addi a0,a0,8 # 10000008 <trap_entry-0x70000018>
|
||||
80000158: 06d00593 li a1,109
|
||||
8000015c: 06e00613 li a2,110
|
||||
80000160: 06f00693 li a3,111
|
||||
80000164: 00d52023 sw a3,0(a0)
|
||||
80000168: 18b5262f sc.w a2,a1,(a0)
|
||||
8000016c: 0a060863 beqz a2,8000021c <fail>
|
||||
80000170: 00052703 lw a4,0(a0)
|
||||
80000174: 0ae69463 bne a3,a4,8000021c <fail>
|
||||
80000178: ed5ff0ef jal ra,8000004c <flush>
|
||||
8000017c: 00052703 lw a4,0(a0)
|
||||
80000180: 08e69e63 bne a3,a4,8000021c <fail>
|
||||
80000184: 00700e13 li t3,7
|
||||
80000188: 10000537 lui a0,0x10000
|
||||
8000018c: 10050513 addi a0,a0,256 # 10000100 <trap_entry-0x6fffff20>
|
||||
80000190: 07b00593 li a1,123
|
||||
80000194: 07c00613 li a2,124
|
||||
80000198: 07d00693 li a3,125
|
||||
8000019c: 00d52023 sw a3,0(a0)
|
||||
800001a0: 100527af lr.w a5,(a0)
|
||||
800001a4: 00000073 ecall
|
||||
800001a8: 18b527af sc.w a5,a1,(a0)
|
||||
800001ac: 00000713 li a4,0
|
||||
800001b0: 00e79863 bne a5,a4,800001c0 <fail>
|
||||
8000018c: 01450513 addi a0,a0,20 # 10000014 <trap_entry-0x7000000c>
|
||||
80000190: 07800593 li a1,120
|
||||
80000194: 07900613 li a2,121
|
||||
80000198: 07a00693 li a3,122
|
||||
8000019c: 01000e93 li t4,16
|
||||
|
||||
800001a0 <test7>:
|
||||
800001a0: 00d52023 sw a3,0(a0)
|
||||
800001a4: 100527af lr.w a5,(a0)
|
||||
800001a8: 18b5262f sc.w a2,a1,(a0)
|
||||
800001ac: 06d79863 bne a5,a3,8000021c <fail>
|
||||
800001b0: 06061663 bnez a2,8000021c <fail>
|
||||
800001b4: 00052703 lw a4,0(a0)
|
||||
800001b8: 00e59463 bne a1,a4,800001c0 <fail>
|
||||
800001bc: 0100006f j 800001cc <pass>
|
||||
800001b8: 06e59263 bne a1,a4,8000021c <fail>
|
||||
800001bc: fffe8e93 addi t4,t4,-1
|
||||
800001c0: 00450513 addi a0,a0,4
|
||||
800001c4: 00358593 addi a1,a1,3
|
||||
800001c8: 00360613 addi a2,a2,3
|
||||
800001cc: 00368693 addi a3,a3,3
|
||||
800001d0: fc0e98e3 bnez t4,800001a0 <test7>
|
||||
|
||||
800001c0 <fail>:
|
||||
800001c0: f0100137 lui sp,0xf0100
|
||||
800001c4: f2410113 addi sp,sp,-220 # f00fff24 <pass+0x700ffd58>
|
||||
800001c8: 01c12023 sw t3,0(sp)
|
||||
800001d4 <test9>:
|
||||
800001d4: 00900e13 li t3,9
|
||||
800001d8: 10000537 lui a0,0x10000
|
||||
800001dc: 10050513 addi a0,a0,256 # 10000100 <trap_entry-0x6fffff20>
|
||||
800001e0: 07b00593 li a1,123
|
||||
800001e4: 07c00613 li a2,124
|
||||
800001e8: 07d00693 li a3,125
|
||||
800001ec: 00d52023 sw a3,0(a0)
|
||||
800001f0: 100527af lr.w a5,(a0)
|
||||
800001f4: 00000073 ecall
|
||||
800001f8: 18b527af sc.w a5,a1,(a0)
|
||||
800001fc: 00000713 li a4,0
|
||||
80000200: 00e79e63 bne a5,a4,8000021c <fail>
|
||||
80000204: 00052703 lw a4,0(a0)
|
||||
80000208: 00e59a63 bne a1,a4,8000021c <fail>
|
||||
8000020c: e41ff0ef jal ra,8000004c <flush>
|
||||
80000210: 00052703 lw a4,0(a0)
|
||||
80000214: 00e59463 bne a1,a4,8000021c <fail>
|
||||
80000218: 0100006f j 80000228 <pass>
|
||||
|
||||
800001cc <pass>:
|
||||
800001cc: f0100137 lui sp,0xf0100
|
||||
800001d0: f2010113 addi sp,sp,-224 # f00fff20 <pass+0x700ffd54>
|
||||
800001d4: 00012023 sw zero,0(sp)
|
||||
800001d8: 00000013 nop
|
||||
800001dc: 00000013 nop
|
||||
800001e0: 00000013 nop
|
||||
800001e4: 00000013 nop
|
||||
800001e8: 00000013 nop
|
||||
800001ec: 00000013 nop
|
||||
8000021c <fail>:
|
||||
8000021c: f0100137 lui sp,0xf0100
|
||||
80000220: f2410113 addi sp,sp,-220 # f00fff24 <pass+0x700ffcfc>
|
||||
80000224: 01c12023 sw t3,0(sp)
|
||||
|
||||
80000228 <pass>:
|
||||
80000228: f0100137 lui sp,0xf0100
|
||||
8000022c: f2010113 addi sp,sp,-224 # f00fff20 <pass+0x700ffcf8>
|
||||
80000230: 00012023 sw zero,0(sp)
|
||||
80000234: 00000013 nop
|
||||
80000238: 00000013 nop
|
||||
8000023c: 00000013 nop
|
||||
80000240: 00000013 nop
|
||||
80000244: 00000013 nop
|
||||
80000248: 00000013 nop
|
||||
|
|
|
|||
|
|
@ -1,34 +1,40 @@
|
|||
:0200000480007A
|
||||
:100000006F00C00413000000130000001300000084
|
||||
:100000006F00C00613000000130000001300000082
|
||||
:100010001300000013000000130000001300000094
|
||||
:10002000F32E003093FE0E08638A0E00B72E0000F8
|
||||
:10003000938E0E8073900E3073002030F32E1034A8
|
||||
:10004000938E4E0073901E3473002030130E1000F8
|
||||
:100050003705001093054006130650069306600608
|
||||
:100060002320D5002F26B51813071000631AE614B5
|
||||
:10007000032705006396E614130E200037050010D1
|
||||
:100080001305450093057006130680069306900637
|
||||
:100090002320D5002F26B518130710006312E6128F
|
||||
:1000A00003270500639EE610130E3000370500108D
|
||||
:1000B0001305450093057006130680069306900607
|
||||
:1000C0002F26B51813071000631CE60E0327050042
|
||||
:1000D0006398E60E130E40003705001013058500E7
|
||||
:1000E0009305A0061306B0069306C0062320D5008C
|
||||
:1000F000AF2705102F26B5186394D70C6312060C92
|
||||
:1001000003270500639EE50A130E50003705001013
|
||||
:10011000130585009305D0061306E0069306F00646
|
||||
:100120002320D5002F26B518630C060803270500E9
|
||||
:100130006398E608130E700037050010130545019B
|
||||
:1001400093058007130690079306A007930E0001FE
|
||||
:100150002320D500AF2705102F26B5186392D706A8
|
||||
:100160006310060603270500639CE504938EFEFFDB
|
||||
:100170001305450093853500130636009386360037
|
||||
:10018000E3980EFC130E90003705001013050510C0
|
||||
:100190009305B0071306C0079306D0072320D500A8
|
||||
:1001A000AF27051073000000AF27B5181307000034
|
||||
:1001B0006398E700032705006394E5006F000001E2
|
||||
:1001C000370110F0130141F22320C101370110F073
|
||||
:1001D000130101F2232001001300000013000000AE
|
||||
:1001E00013000000130000001300000013000000C3
|
||||
:040000058000004C2B
|
||||
:10004000938E4E0073901E3473002030B702002050
|
||||
:10005000371300009303000203AE0200B382620074
|
||||
:100060009383F3FFE39A03FE67800000130E1000F2
|
||||
:1000700037050010930540061306500693066006E8
|
||||
:100080002320D5002F26B518130710006318E61893
|
||||
:10009000032705006394E618130E200037050010AF
|
||||
:1000A0001305450093057006130680069306900617
|
||||
:1000B0002320D5002F26B518130710006310E6166D
|
||||
:1000C00003270500639CE614EFF05FF803270500A3
|
||||
:1000D0006396E614130E3000370500101305450033
|
||||
:1000E0009305700613068006930690062F26B51812
|
||||
:1000F000130710006314E612032705006390E6124D
|
||||
:10010000EFF0DFF403270500639AE610130E4000BA
|
||||
:1001100037050010130585009305A0061306B006E9
|
||||
:100120009306C0062320D500AF2705102F26B5184B
|
||||
:100130006396D70E6314060E032705006390E50E41
|
||||
:10014000EFF0DFF003270500639AE50C130E500073
|
||||
:1001500037050010130585009305D0061306E00649
|
||||
:100160009306F0062320D5002F26B5186308060A4B
|
||||
:10017000032705006394E60AEFF05FED032705000F
|
||||
:10018000639EE608130E7000370500101305450145
|
||||
:1001900093058007130690079306A007930E0001AE
|
||||
:1001A0002320D500AF2705102F26B5186398D70652
|
||||
:1001B00063160606032705006392E506938EFEFF8D
|
||||
:1001C00013054500938535001306360093863600E7
|
||||
:1001D000E3980EFC130E9000370500101305051070
|
||||
:1001E0009305B0071306C0079306D0072320D50058
|
||||
:1001F000AF27051073000000AF27B51813070000E4
|
||||
:10020000639EE70003270500639AE500EFF01FE413
|
||||
:10021000032705006394E5006F000001370110F02B
|
||||
:10022000130141F22320C101370110F0130101F243
|
||||
:100230002320010013000000130000001300000041
|
||||
:0C02400013000000130000001300000079
|
||||
:040000058000006C0B
|
||||
:00000001FF
|
||||
|
|
|
|||
|
|
@ -25,8 +25,19 @@ notExternalInterrupt:
|
|||
csrw mepc, x29
|
||||
mret
|
||||
|
||||
flush:
|
||||
li t0, 0x20000000
|
||||
li t1, 0x1000
|
||||
li t2, 32
|
||||
flushLoop:
|
||||
lw t3, 0(t0)
|
||||
add t0, t0, t1
|
||||
addi t2,t2,-1
|
||||
bnez t2, flushLoop
|
||||
ret
|
||||
|
||||
_start:
|
||||
//Test 1 SC on unreserved area should fail and not write memory
|
||||
test1: //Test 1 SC on unreserved area should fail and not write memory
|
||||
li x28, 1
|
||||
li a0, 0x10000000
|
||||
li a1, 100
|
||||
|
|
@ -39,7 +50,7 @@ _start:
|
|||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
|
||||
//Test 2 SC on another unreserved area should fail and not write memory
|
||||
test2: //Test 2 SC on another unreserved area should fail and not write memory
|
||||
li x28, 2
|
||||
li a0, 0x10000004
|
||||
li a1, 103
|
||||
|
|
@ -51,9 +62,12 @@ _start:
|
|||
bne a2, a4, fail
|
||||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
call flush
|
||||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
|
||||
|
||||
//Test 3 retrying SC on unreserved area should fail and not write memory
|
||||
test3: //Test 3 retrying SC on unreserved area should fail and not write memory
|
||||
li x28, 3
|
||||
li a0, 0x10000004
|
||||
li a1, 103
|
||||
|
|
@ -64,9 +78,12 @@ _start:
|
|||
bne a2, a4, fail
|
||||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
call flush
|
||||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
|
||||
|
||||
//Test 4 SC on reserved area should pass and should be written write memory
|
||||
test4: //Test 4 SC on reserved area should pass and should be written write memory
|
||||
li x28, 4
|
||||
li a0, 0x10000008
|
||||
li a1, 106
|
||||
|
|
@ -79,9 +96,12 @@ _start:
|
|||
bne a2, x0, fail
|
||||
lw a4, 0(a0)
|
||||
bne a1, a4, fail
|
||||
call flush
|
||||
lw a4, 0(a0)
|
||||
bne a1, a4, fail
|
||||
|
||||
|
||||
//Test 5 redo SC on reserved area should fail
|
||||
test5: //Test 5 redo SC on reserved area should fail
|
||||
li x28, 5
|
||||
li a0, 0x10000008
|
||||
li a1, 109
|
||||
|
|
@ -92,6 +112,9 @@ _start:
|
|||
beq a2, x0, fail
|
||||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
call flush
|
||||
lw a4, 0(a0)
|
||||
bne a3, a4, fail
|
||||
|
||||
|
||||
//Test 7 do a lot of allocation to clear the entries
|
||||
|
|
@ -131,7 +154,7 @@ test7:
|
|||
bne a5, a4, fail*/
|
||||
|
||||
|
||||
//Test 9 SC should pass after a context switching
|
||||
test9: //Test 9 SC should pass after a context switching
|
||||
li x28, 9
|
||||
li a0, 0x10000100
|
||||
li a1, 123
|
||||
|
|
@ -145,6 +168,9 @@ test7:
|
|||
bne a5, a4, fail
|
||||
lw a4, 0(a0)
|
||||
bne a1, a4, fail
|
||||
call flush
|
||||
lw a4, 0(a0)
|
||||
bne a1, a4, fail
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1409,7 +1409,7 @@ public:
|
|||
virtual void fillSimELements();
|
||||
void dump(int i){
|
||||
#ifdef TRACE
|
||||
if(i == TRACE_START && i != 0) cout << "START TRACE" << endl;
|
||||
if(i == TRACE_START && i != 0) cout << "**" << endl << "**" << endl << "**" << endl << "**" << endl << "**" << endl << "START TRACE" << endl;
|
||||
if(i >= TRACE_START) tfp->dump(i);
|
||||
#endif
|
||||
}
|
||||
|
|
@ -1518,7 +1518,7 @@ public:
|
|||
currentTime = i;
|
||||
|
||||
#ifdef FLOW_INFO
|
||||
if(i % 2000000 == 0) cout << "PROGRESS TRACE_START=" << i << endl;
|
||||
if(i % 2000000 == 0) cout << "**" << endl << "**" << endl << "**" << endl << "**" << endl << "**" << endl << "PROGRESS TRACE_START=" << i << endl;
|
||||
#endif
|
||||
|
||||
|
||||
|
|
@ -2314,16 +2314,25 @@ public:
|
|||
#ifdef DBUS_CACHED
|
||||
|
||||
//#include "VVexRiscv_DataCache.h"
|
||||
#include <queue>
|
||||
|
||||
struct DBusCachedTask{
|
||||
uint32_t data;
|
||||
bool error;
|
||||
bool last;
|
||||
bool exclusive;
|
||||
};
|
||||
|
||||
class DBusCached : public SimElement{
|
||||
public:
|
||||
uint32_t address;
|
||||
bool error_next = false;
|
||||
uint32_t pendingCount = 0;
|
||||
bool wr;
|
||||
queue<DBusCachedTask> rsps;
|
||||
|
||||
bool reservationValid = false;
|
||||
uint32_t reservationAddress;
|
||||
|
||||
Workspace *ws;
|
||||
VVexRiscv* top;
|
||||
|
||||
DBusCached(Workspace* ws){
|
||||
this->ws = ws;
|
||||
this->top = ws->top;
|
||||
|
|
@ -2345,41 +2354,63 @@ public:
|
|||
VL_IN8(io_cpu_execute_args_invalidate,0,0);
|
||||
VL_IN8(io_cpu_execute_args_way,0,0);
|
||||
|
||||
// if(top->VexRiscv->dataCache_1->io_cpu_execute_isValid && !top->VexRiscv->dataCache_1->io_cpu_execute_isStuck
|
||||
// && top->VexRiscv->dataCache_1->io_cpu_execute_args_wr){
|
||||
// if(top->VexRiscv->dataCache_1->io_cpu_execute_args_address == 0x80025978)
|
||||
// cout << "WR 0x80025978 = " << hex << setw(8) << top->VexRiscv->dataCache_1->io_cpu_execute_args_data << endl;
|
||||
// if(top->VexRiscv->dataCache_1->io_cpu_execute_args_address == 0x8002596c)
|
||||
// cout << "WR 0x8002596c = " << hex << setw(8) << top->VexRiscv->dataCache_1->io_cpu_execute_args_data << endl;
|
||||
// }
|
||||
if (top->dBus_cmd_valid && top->dBus_cmd_ready) {
|
||||
if(pendingCount == 0){
|
||||
pendingCount = top->dBus_cmd_payload_length+1;
|
||||
address = top->dBus_cmd_payload_address;
|
||||
wr = top->dBus_cmd_payload_wr;
|
||||
}
|
||||
if(top->dBus_cmd_payload_wr){
|
||||
ws->dBusAccess(address,top->dBus_cmd_payload_wr,2,top->dBus_cmd_payload_mask,&top->dBus_cmd_payload_data,&error_next);
|
||||
address += 4;
|
||||
pendingCount--;
|
||||
#ifndef SMP
|
||||
bool error;
|
||||
ws->dBusAccess(top->dBus_cmd_payload_address,1,2,top->dBus_cmd_payload_mask,&top->dBus_cmd_payload_data,&error);
|
||||
#else
|
||||
bool cancel = false;
|
||||
DBusCachedTask rsp;
|
||||
if(top->dBus_cmd_payload_exclusive){
|
||||
bool hit = reservationValid && reservationAddress == top->dBus_cmd_payload_address;
|
||||
rsp.exclusive = hit;
|
||||
cancel = !hit;
|
||||
reservationValid = false;
|
||||
}
|
||||
if(!cancel) ws->dBusAccess(top->dBus_cmd_payload_address,1,2,top->dBus_cmd_payload_mask,&top->dBus_cmd_payload_data,&rsp.error);
|
||||
rsp.last = true;
|
||||
rsps.push(rsp);
|
||||
#endif
|
||||
} else {
|
||||
for(int beat = 0;beat <= top->dBus_cmd_payload_length;beat++){
|
||||
DBusCachedTask rsp;
|
||||
ws->dBusAccess(top->dBus_cmd_payload_address + beat * 4,0,2,0,&rsp.data,&rsp.error);
|
||||
rsp.last = beat == top->dBus_cmd_payload_length;
|
||||
#ifdef SMP
|
||||
rsp.exclusive = true;
|
||||
reservationValid = true;
|
||||
reservationAddress = top->dBus_cmd_payload_address;
|
||||
#endif
|
||||
rsps.push(rsp);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
virtual void postCycle(){
|
||||
if(pendingCount != 0 && !wr && (!ws->dStall || VL_RANDOM_I(7) < 100)){
|
||||
ws->dBusAccess(address,0,2,0,&top->dBus_rsp_payload_data,&error_next);
|
||||
top->dBus_rsp_payload_error = error_next;
|
||||
|
||||
if(!rsps.empty() && (!ws->dStall || VL_RANDOM_I(7) < 100)){
|
||||
DBusCachedTask rsp = rsps.front();
|
||||
rsps.pop();
|
||||
top->dBus_rsp_valid = 1;
|
||||
address += 4;
|
||||
pendingCount--;
|
||||
top->dBus_rsp_payload_error = rsp.error;
|
||||
top->dBus_rsp_payload_data = rsp.data;
|
||||
top->dBus_rsp_payload_last = rsp.last;
|
||||
#ifdef SMP
|
||||
top->dBus_rsp_payload_exclusive = rsp.exclusive;
|
||||
#endif
|
||||
} else{
|
||||
top->dBus_rsp_valid = 0;
|
||||
top->dBus_rsp_payload_data = VL_RANDOM_I(32);
|
||||
top->dBus_rsp_payload_error = VL_RANDOM_I(1);
|
||||
top->dBus_rsp_payload_last = VL_RANDOM_I(1);
|
||||
#ifdef SMP
|
||||
top->dBus_rsp_payload_exclusive = VL_RANDOM_I(1);
|
||||
#endif
|
||||
}
|
||||
|
||||
top->dBus_cmd_ready = (ws->dStall ? VL_RANDOM_I(7) < 100 : 1) && (pendingCount == 0 || wr);
|
||||
top->dBus_cmd_ready = (ws->dStall ? VL_RANDOM_I(7) < 100 : 1);
|
||||
}
|
||||
};
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ CSR_SKIP_TEST?=no
|
|||
EBREAK?=no
|
||||
FENCEI?=no
|
||||
MMU?=yes
|
||||
SMP?=no
|
||||
SEED?=no
|
||||
LRSC?=no
|
||||
AMO?=no
|
||||
|
|
@ -217,6 +218,10 @@ ifeq ($(MMU),yes)
|
|||
ADDCFLAGS += -CFLAGS -DMMU
|
||||
endif
|
||||
|
||||
ifeq ($(SMP),yes)
|
||||
ADDCFLAGS += -CFLAGS -DSMP
|
||||
endif
|
||||
|
||||
ifeq ($(MUL),yes)
|
||||
ADDCFLAGS += -CFLAGS -DMUL
|
||||
endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue