riscv/rocket-chip
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now using single-ported coherence master

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This commit is contained in:
Henry Cook 2013-01-16 23:58:24 -08:00
parent e33648532b
commit 72bba81a76
2 changed files with 16 additions and 16 deletions
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30
src/main/scala/RocketChip.scala
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@ -221,24 +221,24 @@ class OuterMemorySystem(htif_width: Int, tileEndpoints: Seq[ClientCoherenceAgent
val llc = new DRAMSideLLC(512, 8, 4, llc_tag_leaf, llc_data_leaf)
val mem_serdes = new MemSerdes(htif_width)
val testHub = new CoherenceHubBroadcast()(chWithHtifConf)
val testAdapter = new CoherenceHubAdapter()(lnWithHtifConf)
val testNet = new ReferenceChipCrossbarNetwork(List(testHub)++tileEndpoints)(lnWithHtifConf)
testNet.io(0) <> testAdapter.io.net
testHub.io.tiles <> testAdapter.io.hub
//val hub = new CoherenceHubBroadcast()(chWithHtifConf)
//val adapter = new CoherenceHubAdapter()(lnWithHtifConf)
val hub = new L2CoherenceAgent()(chWithHtifConf)
val net = new ReferenceChipCrossbarNetwork(List(hub)++tileEndpoints)(lnWithHtifConf)
//net.io(0) <> adapter.io.net
//hub.io.tiles <> adapter.io.hub
hub.io.network <> net.io(0)
for (i <- 1 to conf.ln.nTiles) {
//hub.io.tiles(i) <> io.tiles(i)
testNet.io(i) <> io.tiles(i-1)
testHub.io.incoherent(i-1) := io.incoherent(i-1)
net.io(i) <> io.tiles(i-1)
hub.io.incoherent(i-1) := io.incoherent(i-1)
}
//hub.io.tiles(conf.ln.nTiles) <> io.htif
testNet.io(conf.ln.nTiles+1) <> io.htif
testHub.io.incoherent(conf.ln.nTiles) := Bool(true)
net.io(conf.ln.nTiles+1) <> io.htif
hub.io.incoherent(conf.ln.nTiles) := Bool(true)
llc.io.cpu.req_cmd <> Queue(testHub.io.mem.req_cmd)
llc.io.cpu.req_data <> Queue(testHub.io.mem.req_data, REFILL_CYCLES)
testHub.io.mem.resp <> llc.io.cpu.resp
llc.io.cpu.req_cmd <> Queue(hub.io.mem.req_cmd)
llc.io.cpu.req_data <> Queue(hub.io.mem.req_data, REFILL_CYCLES)
hub.io.mem.resp <> llc.io.cpu.resp
// mux between main and backup memory ports
val mem_cmdq = (new Queue(2)) { new MemReqCmd }
@ -356,7 +356,7 @@ class Top extends Component {
val dc = DCacheConfig(128, 4, co, ntlb = 8,
nmshr = 2, nrpq = 16, nsdq = 17)
val rc = RocketConfiguration(lnConf, co, ic, dc,
fpu = true, vec = true)
fpu = true, vec = false)
val tileList = (0 until NTILES).map(r => new Tile(resetSignal = resetSigs(r))(rc))
val uncore = new Uncore(HTIF_WIDTH, tileList)

2
uncore

@ -1 +1 @@
Subproject commit 167f2675a6ef64a6c749e7b6023e10f596a6b1df
Subproject commit 473588578595beb849bcfed6d89c4e3ac9f08b06