cleanups supporting uncore hierarchy
This commit is contained in:
Henry Cook
@@ -83,7 +83,7 @@ class ReferenceChipBackend extends VerilogBackend
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transforms += ((c: Module) => collectNodesIntoComp(initializeDFS))
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}
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class OuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenceAgent])(implicit conf: UncoreConfiguration) extends Module
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class OuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val (tl, ln, l2) = (conf.tl, conf.tl.ln, conf.l2)
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val io = new Bundle {
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@@ -101,10 +101,10 @@ class OuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenceAge
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//val llc = Module(new DRAMSideLLCNull(NL2_REL_XACTS+NL2_ACQ_XACTS, REFILL_CYCLES))
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val mem_serdes = Module(new MemSerdes(htif_width))
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require(clientEndpoints.length == ln.nClients)
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val masterEndpoints = (0 until ln.nMasters).map(i => Module(new L2CoherenceAgent(i)))
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val net = Module(new ReferenceChipCrossbarNetwork(masterEndpoints++clientEndpoints))
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net.io zip (masterEndpoints.map(_.io.client) ++ io.tiles :+ io.htif) map { case (net, end) => net <> end }
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val net = Module(new ReferenceChipCrossbarNetwork)
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net.io.clients zip (io.tiles :+ io.htif) map { case (net, end) => net <> end }
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net.io.masters zip (masterEndpoints.map(_.io.client)) map { case (net, end) => net <> end }
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masterEndpoints.map{ _.io.incoherent zip io.incoherent map { case (m, c) => m := c } }
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val conv = Module(new MemIOUncachedTileLinkIOConverter(2))
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@@ -145,7 +145,7 @@ class OuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenceAge
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case class UncoreConfiguration(l2: L2CoherenceAgentConfiguration, tl: TileLinkConfiguration, nTiles: Int, nBanks: Int, bankIdLsb: Int, nSCR: Int)
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class Uncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit conf: UncoreConfiguration) extends Module
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class Uncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val tl = conf.tl
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val io = new Bundle {
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@@ -158,7 +158,7 @@ class Uncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit conf
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val mem_backup_en = Bool(INPUT)
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}
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val htif = Module(new HTIF(htif_width, CSRs.reset, conf.nSCR))
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val outmemsys = Module(new OuterMemorySystem(htif_width, tileList :+ htif))
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val outmemsys = Module(new OuterMemorySystem(htif_width))
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val incoherentWithHtif = (io.incoherent :+ Bool(true).asInput)
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outmemsys.io.incoherent := incoherentWithHtif
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htif.io.cpu <> io.htif
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@@ -246,7 +246,7 @@ class Top extends Module {
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else new MICoherence
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}
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implicit val ln = LogicalNetworkConfiguration(NTILES+NBANKS+1, log2Up(NTILES)+1, NBANKS, NTILES+1)
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implicit val ln = LogicalNetworkConfiguration(log2Up(NTILES)+1, NBANKS, NTILES+1)
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implicit val tl = TileLinkConfiguration(co, ln, log2Up(NL2_REL_XACTS+NL2_ACQ_XACTS), 2*log2Up(NMSHRS*NTILES+1), MEM_DATA_BITS)
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implicit val l2 = L2CoherenceAgentConfiguration(tl, NL2_REL_XACTS, NL2_ACQ_XACTS)
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implicit val uc = UncoreConfiguration(l2, tl, NTILES, NBANKS, bankIdLsb = 5, nSCR = 64)
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@@ -261,7 +261,7 @@ class Top extends Module {
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val resetSigs = Vec.fill(uc.nTiles){Bool()}
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val tileList = (0 until uc.nTiles).map(r => Module(new Tile(resetSignal = resetSigs(r))(rc)))
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val uncore = Module(new Uncore(HTIF_WIDTH, tileList))
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val uncore = Module(new Uncore(HTIF_WIDTH))
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for (i <- 0 until uc.nTiles) {
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val hl = uncore.io.htif(i)
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@@ -5,7 +5,7 @@ import Node._
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import uncore._
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import rocket._
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class FPGAOuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenceAgent])(implicit conf: UncoreConfiguration) extends Module
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class FPGAOuterMemorySystem(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val (tl, ln, l2) = (conf.tl, conf.tl.ln, conf.l2)
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val io = new Bundle {
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@@ -15,11 +15,11 @@ class FPGAOuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenc
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val mem = new ioMem
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}
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require(clientEndpoints.length == ln.nClients)
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val masterEndpoints = (0 until ln.nMasters).map(i => Module(new L2CoherenceAgent(i)))
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val net = Module(new ReferenceChipCrossbarNetwork(masterEndpoints++clientEndpoints))
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net.io zip (masterEndpoints.map(_.io.client) ++ io.tiles :+ io.htif) map { case (net, end) => net <> end }
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val net = Module(new ReferenceChipCrossbarNetwork)
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net.io.clients zip (io.tiles :+ io.htif) map { case (net, end) => net <> end }
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net.io.masters zip (masterEndpoints.map(_.io.client)) map { case (net, end) => net <> end }
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masterEndpoints.map{ _.io.incoherent zip io.incoherent map { case (m, c) => m := c } }
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val conv = Module(new MemIOUncachedTileLinkIOConverter(2))
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@@ -35,7 +35,7 @@ class FPGAOuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenc
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conv.io.mem.resp <> Queue(io.mem.resp)
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}
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class FPGAUncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit conf: UncoreConfiguration) extends Module
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class FPGAUncore(htif_width: Int)(implicit conf: UncoreConfiguration) extends Module
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{
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implicit val (tl, ln) = (conf.tl, conf.tl.ln)
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val io = new Bundle {
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@@ -46,7 +46,7 @@ class FPGAUncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit
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val incoherent = Vec.fill(conf.nTiles){Bool()}.asInput
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}
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val htif = Module(new HTIF(htif_width, CSRs.reset, conf.nSCR))
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val outmemsys = Module(new FPGAOuterMemorySystem(htif_width, tileList :+ htif))
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val outmemsys = Module(new FPGAOuterMemorySystem(htif_width))
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val incoherentWithHtif = (io.incoherent :+ Bool(true).asInput)
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outmemsys.io.incoherent := incoherentWithHtif
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htif.io.cpu <> io.htif
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@@ -85,7 +85,7 @@ class FPGATop extends Module {
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val ntiles = 1
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val nbanks = 1
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val nmshrs = 2
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implicit val ln = LogicalNetworkConfiguration(ntiles+nbanks+1, log2Up(ntiles)+1, nbanks, ntiles+1)
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implicit val ln = LogicalNetworkConfiguration(log2Up(ntiles)+1, nbanks, ntiles+1)
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implicit val tl = TileLinkConfiguration(co, ln, log2Up(1+8), 2*log2Up(nmshrs*ntiles+1), MEM_DATA_BITS)
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implicit val l2 = L2CoherenceAgentConfiguration(tl, 1, 8)
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implicit val uc = UncoreConfiguration(l2, tl, ntiles, nbanks, bankIdLsb = 5, nSCR = 64)
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@@ -100,7 +100,7 @@ class FPGATop extends Module {
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val resetSigs = Vec.fill(uc.nTiles){Bool()}
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val tileList = (0 until uc.nTiles).map(r => Module(new Tile(resetSignal = resetSigs(r))(rc)))
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val uncore = Module(new FPGAUncore(htif_width, tileList))
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val uncore = Module(new FPGAUncore(htif_width))
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for (i <- 0 until uc.nTiles) {
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val hl = uncore.io.htif(i)
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@@ -3,25 +3,26 @@ package referencechip
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import Chisel._
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import uncore._
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import scala.reflect._
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import scala.reflect.runtime.universe._
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object TileLinkHeaderAppender {
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def apply[T <: SourcedMessage with HasPhysicalAddress, U <: SourcedMessage with HasTileLinkData](in: ClientSourcedDataIO[LogicalNetworkIO[T],LogicalNetworkIO[U]], clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) = {
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def apply[T <: ClientSourcedMessage with HasPhysicalAddress, U <: ClientSourcedMessage with HasTileLinkData](in: PairedDataIO[LogicalNetworkIO[T],LogicalNetworkIO[U]], clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) = {
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val shim = Module(new TileLinkHeaderAppender(in.meta.bits.payload, in.data.bits.payload, clientId, nBanks, addrConvert))
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shim.io.in <> in
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shim.io.out
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}
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def apply[T <: SourcedMessage with HasPhysicalAddress](in: ClientSourcedFIFOIO[LogicalNetworkIO[T]], clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) = {
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def apply[T <: ClientSourcedMessage with HasPhysicalAddress](in: DecoupledIO[LogicalNetworkIO[T]], clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) = {
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val shim = Module(new TileLinkHeaderAppender(in.bits.payload.clone, new AcquireData, clientId, nBanks, addrConvert))
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shim.io.in.meta <> in
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shim.io.out.meta
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}
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}
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class TileLinkHeaderAppender[T <: SourcedMessage with HasPhysicalAddress, U <: SourcedMessage with HasTileLinkData](mType: T, dType: U, clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) extends Module {
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class TileLinkHeaderAppender[T <: ClientSourcedMessage with HasPhysicalAddress, U <: ClientSourcedMessage with HasTileLinkData](mType: T, dType: U, clientId: Int, nBanks: Int, addrConvert: Bits => UInt)(implicit conf: TileLinkConfiguration) extends Module {
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implicit val ln = conf.ln
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val io = new Bundle {
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val in = new ClientSourcedDataIO(new LogicalNetworkIO(mType), new LogicalNetworkIO(dType)).flip
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val out = new ClientSourcedDataIO(new LogicalNetworkIO(mType), new LogicalNetworkIO(dType))
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val in = new PairedDataIO(new LogicalNetworkIO(mType), new LogicalNetworkIO(dType)).flip
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val out = new PairedDataIO(new LogicalNetworkIO(mType), new LogicalNetworkIO(dType))
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}
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val meta_q = Queue(io.in.meta)
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@@ -93,11 +94,21 @@ class MemIOUncachedTileLinkIOConverter(qDepth: Int)(implicit conf: TileLinkConfi
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io.mem.req_data <> mem_data_q.io.deq
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}
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class ReferenceChipCrossbarNetwork(endpoints: Seq[CoherenceAgentRole])(implicit conf: UncoreConfiguration) extends LogicalNetwork[TileLinkIO](endpoints)(conf.tl.ln) {
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class ReferenceChipCrossbarNetwork(implicit conf: UncoreConfiguration) extends LogicalNetwork[TileLinkIO]()(conf.tl.ln) {
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implicit val (tl, ln, co) = (conf.tl, conf.tl.ln, conf.tl.co)
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val io = Vec(endpoints.map(_ match { case t:ClientCoherenceAgent => {(new TileLinkIO).flip}; case h:MasterCoherenceAgent => {new TileLinkIO}}))
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val io = new Bundle {
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val clients = Vec.fill(ln.nClients){(new TileLinkIO).flip}
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val masters = Vec.fill(ln.nMasters){new TileLinkIO}
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}
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implicit val pconf = new PhysicalNetworkConfiguration(ln.nEndpoints, ln.idBits) // Same config for all networks
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// Actually instantiate the particular networks required for TileLink
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val acqNet = Module(new PairedCrossbar(new Acquire, new AcquireData, REFILL_CYCLES, (acq: PhysicalNetworkIO[Acquire]) => co.messageHasData(acq.payload)))
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val relNet = Module(new PairedCrossbar(new Release, new ReleaseData, REFILL_CYCLES, (rel: PhysicalNetworkIO[Release]) => co.messageHasData(rel.payload)))
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val probeNet = Module(new BasicCrossbar(new Probe))
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val grantNet = Module(new BasicCrossbar(new Grant))
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val ackNet = Module(new BasicCrossbar(new GrantAck))
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// Aliases for the various network IO bundle types
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type FBCIO[T <: Data] = DecoupledIO[PhysicalNetworkIO[T]]
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type FLNIO[T <: Data] = DecoupledIO[LogicalNetworkIO[T]]
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@@ -163,61 +174,53 @@ class ReferenceChipCrossbarNetwork(endpoints: Seq[CoherenceAgentRole])(implicit
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phys_in.valid := Bool(false)
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}
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// Use reflection to determine whether a particular endpoint should be
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// hooked up as an [input/output] for a FIFO nework that is transmiitting
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// [client/master]-sourced messages.
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def doFIFOHookup[S <: CoherenceAgentRole: ClassTag, T <: Data](end: CoherenceAgentRole, phys_in: FBCIO[T], phys_out: FBCIO[T], log_io: FLNIO[T], inShim: ToCrossbar[T], outShim: FromCrossbar[T]) = {
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// Is end's type a subtype of S, the agent type associated with inputs?
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if(classTag[S].runtimeClass.isInstance(end))
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doFIFOInputHookup(phys_in, phys_out, log_io, inShim)
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else
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doFIFOOutputHookup(phys_in, phys_out, log_io, outShim)
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def doFIFOHookup[T <: Data](isEndpointSourceOfMessage: Boolean, physIn: FBCIO[T], physOut: FBCIO[T], logIO: FLNIO[T], inShim: ToCrossbar[T], outShim: FromCrossbar[T]) = {
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if(isEndpointSourceOfMessage) doFIFOInputHookup(physIn, physOut, logIO, inShim)
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else doFIFOOutputHookup(physIn, physOut, logIO, outShim)
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}
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def doClientSourcedFIFOHookup[T <: Data](end: CoherenceAgentRole, phys_in: FBCIO[T], phys_out: FBCIO[T], log_io: FLNIO[T]) =
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doFIFOHookup[ClientCoherenceAgent, T](end, phys_in, phys_out, log_io, ClientToCrossbarShim, CrossbarToMasterShim)
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def doMasterSourcedFIFOHookup[T <: Data](end: CoherenceAgentRole, phys_in: FBCIO[T], phys_out: FBCIO[T], log_io: FLNIO[T]) =
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doFIFOHookup[MasterCoherenceAgent, T](end, phys_in, phys_out, log_io, MasterToCrossbarShim, CrossbarToClientShim)
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// Use reflection to determine whether a particular endpoint should be
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// hooked up as an [input/output] for a Paired nework that is transmiitting
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// [client/master]-sourced messages.
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def doPairedDataHookup[S <: CoherenceAgentRole : ClassTag, T <: Data, R <: Data](end: CoherenceAgentRole, phys_in: PBCIO[T,R], phys_out: PBCIO[T,R], log_io: PLNIO[T,R], inShim: ToCrossbar[T], outShim: FromCrossbar[T], inShimD: ToCrossbar[R], outShimD: FromCrossbar[R]) = {
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// Is end's type a subtype of S, the agent type associated with inputs?
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if(classTag[S].runtimeClass.isInstance(end)) {
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doFIFOInputHookup[T](phys_in.meta, phys_out.meta, log_io.meta, inShim)
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doFIFOInputHookup[R](phys_in.data, phys_out.data, log_io.data, inShimD)
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} else {
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doFIFOOutputHookup[T](phys_in.meta, phys_out.meta, log_io.meta, outShim)
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doFIFOOutputHookup[R](phys_in.data, phys_out.data, log_io.data, outShimD)
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//Hookup all instances of a particular subbundle of
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def doFIFOHookups[T <: Data: TypeTag](physIO: BasicCrossbarIO[T], getLogIO: TileLinkIO => FLNIO[T]) = {
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typeTag[T].tpe match{
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case t if t <:< typeTag[ClientSourcedMessage].tpe => {
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io.masters.zipWithIndex.map{ case (i, id) => doFIFOHookup[T](false, physIO.in(id), physIO.out(id), getLogIO(i), ClientToCrossbarShim, CrossbarToMasterShim) }
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io.clients.zipWithIndex.map{ case (i, id) => doFIFOHookup[T](true, physIO.in(id+ln.nMasters), physIO.out(id+ln.nMasters), getLogIO(i), ClientToCrossbarShim, CrossbarToMasterShim) }
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}
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case t if t <:< typeTag[MasterSourcedMessage].tpe => {
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io.masters.zipWithIndex.map{ case (i, id) => doFIFOHookup[T](true, physIO.in(id), physIO.out(id), getLogIO(i), MasterToCrossbarShim, CrossbarToClientShim) }
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io.clients.zipWithIndex.map{ case (i, id) => doFIFOHookup[T](false, physIO.in(id+ln.nMasters), physIO.out(id+ln.nMasters), getLogIO(i), MasterToCrossbarShim, CrossbarToClientShim) }
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}
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case _ => require(false, "Unknown message sourcing.")
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}
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}
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def doClientSourcedPairedHookup[T <: Data, R <: Data](end: CoherenceAgentRole, phys_in: PBCIO[T,R], phys_out: PBCIO[T,R], log_io: PLNIO[T,R]) =
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doPairedDataHookup[ClientCoherenceAgent, T, R](end, phys_in, phys_out, log_io, ClientToCrossbarShim, CrossbarToMasterShim, ClientToCrossbarShim, CrossbarToMasterShim)
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def doPairedDataHookup[T <: Data, R <: Data](isEndpointSourceOfMessage: Boolean, physIn: PBCIO[T,R], physOut: PBCIO[T,R], logIO: PLNIO[T,R], inShim: ToCrossbar[T], outShim: FromCrossbar[T], inShimD: ToCrossbar[R], outShimD: FromCrossbar[R]) = {
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if(isEndpointSourceOfMessage) {
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doFIFOInputHookup[T](physIn.meta, physOut.meta, logIO.meta, inShim)
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doFIFOInputHookup[R](physIn.data, physOut.data, logIO.data, inShimD)
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} else {
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doFIFOOutputHookup[T](physIn.meta, physOut.meta, logIO.meta, outShim)
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doFIFOOutputHookup[R](physIn.data, physOut.data, logIO.data, outShimD)
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}
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}
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def doMasterSourcedPairedHookup[T <: Data, R <: Data](end: CoherenceAgentRole, phys_in: PBCIO[T,R], phys_out: PBCIO[T,R], log_io: PLNIO[T,R]) =
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doPairedDataHookup[MasterCoherenceAgent, T, R](end, phys_in, phys_out, log_io, MasterToCrossbarShim, CrossbarToClientShim, MasterToCrossbarShim, CrossbarToClientShim)
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def doPairedDataHookups[T <: Data: TypeTag, R <: Data](physIO: PairedCrossbarIO[T,R], getLogIO: TileLinkIO => PLNIO[T,R]) = {
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typeTag[T].tpe match{
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case t if t <:< typeTag[ClientSourcedMessage].tpe => {
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io.masters.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](false, physIO.in(id), physIO.out(id), getLogIO(i), ClientToCrossbarShim, CrossbarToMasterShim, ClientToCrossbarShim, CrossbarToMasterShim) }
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io.clients.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](true, physIO.in(id+ln.nMasters), physIO.out(id+ln.nMasters), getLogIO(i), ClientToCrossbarShim, CrossbarToMasterShim, ClientToCrossbarShim, CrossbarToMasterShim) }
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}
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case t if t <:< typeTag[MasterSourcedMessage].tpe => {
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io.masters.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](true, physIO.in(id), physIO.out(id), getLogIO(i), MasterToCrossbarShim, CrossbarToClientShim, MasterToCrossbarShim, CrossbarToClientShim) }
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io.clients.zipWithIndex.map{ case (i, id) => doPairedDataHookup[T,R](false, physIO.in(id+ln.nMasters), physIO.out(id+ln.nMasters), getLogIO(i), MasterToCrossbarShim, CrossbarToClientShim, MasterToCrossbarShim, CrossbarToClientShim) }
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}
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case _ => require(false, "Unknown message sourcing.")
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}
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}
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// Actually instantiate the particular networks required for TileLink
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def acqHasData(acq: PhysicalNetworkIO[Acquire]) = co.messageHasData(acq.payload)
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val acq_net = Module(new PairedCrossbar(new Acquire, new AcquireData, REFILL_CYCLES, acqHasData _))
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endpoints.zip(io).zipWithIndex.map{ case ((end, io), id) => doClientSourcedPairedHookup(end, acq_net.io.in(id), acq_net.io.out(id), io.acquire) }
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def relHasData(rel: PhysicalNetworkIO[Release]) = co.messageHasData(rel.payload)
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val rel_net = Module(new PairedCrossbar(new Release, new ReleaseData, REFILL_CYCLES, relHasData _))
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endpoints.zip(io).zipWithIndex.map{ case ((end, io), id) => doClientSourcedPairedHookup(end, rel_net.io.in(id), rel_net.io.out(id), io.release) }
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val probe_net = Module(new BasicCrossbar(new Probe))
|
||||
endpoints.zip(io).zipWithIndex.map{ case ((end, io), id) => doMasterSourcedFIFOHookup(end, probe_net.io.in(id), probe_net.io.out(id), io.probe) }
|
||||
|
||||
val grant_net = Module(new BasicCrossbar(new Grant))
|
||||
endpoints.zip(io).zipWithIndex.map{ case ((end, io), id) => doMasterSourcedFIFOHookup(end, grant_net.io.in(id), grant_net.io.out(id), io.grant) }
|
||||
|
||||
val ack_net = Module(new BasicCrossbar(new GrantAck))
|
||||
endpoints.zip(io).zipWithIndex.map{ case ((end, io), id) => doClientSourcedFIFOHookup(end, ack_net.io.in(id), ack_net.io.out(id), io.grant_ack) }
|
||||
|
||||
val physicalNetworks = List(acq_net, rel_net, probe_net, grant_net, ack_net)
|
||||
doPairedDataHookups(acqNet.io, (tl: TileLinkIO) => tl.acquire)
|
||||
doPairedDataHookups(relNet.io, (tl: TileLinkIO) => tl.release)
|
||||
doFIFOHookups(probeNet.io, (tl: TileLinkIO) => tl.probe)
|
||||
doFIFOHookups(grantNet.io, (tl: TileLinkIO) => tl.grant)
|
||||
doFIFOHookups(ackNet.io, (tl: TileLinkIO) => tl.grant_ack)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user