riscv/rocket-chip
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Merge changes from master. This updates rocket more than it should so while the emulator builds, programs will not execute correctly due to ISA changes, etc.

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Stephen Twigg
2013-09-09 14:31:18 -07:00
parent f27c0fb010 2c47b4388a
commit 6cde69e95d
4 changed files with 12 additions and 11 deletions
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15
src/main/scala/RocketChip.scala
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@ -17,10 +17,12 @@ object DummyTopLevelConstants {
val HAS_VEC = false
val HAS_FPU = true
val NL2_REL_XACTS = 1
val NL2_ACQ_XACTS = 8
val NL2_ACQ_XACTS = 7
val NMSHRS = 2
}
import DummyTopLevelConstants._
object ReferenceChipBackend {
val initMap = new HashMap[Module, Bool]()
}
@ -91,8 +93,8 @@ class OuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenceAge
val llc_tag_leaf = Mem(Bits(width = 152), 512, seqRead = true)
val llc_data_leaf = Mem(Bits(width = 64), 4096, seqRead = true)
val llc = Module(new DRAMSideLLC(512, 8, 4, llc_tag_leaf, llc_data_leaf))
//val llc = Module(new DRAMSideLLCNull(8, REFILL_CYCLES))
val llc = Module(new DRAMSideLLC(sets=512, ways=8, outstanding=16, tagLeaf=llc_tag_leaf, dataLeaf=llc_data_leaf))
//val llc = Module(new DRAMSideLLCNull(NL2_REL_XACTS+NL2_ACQ_XACTS, REFILL_CYCLES))
val mem_serdes = Module(new MemSerdes(htif_width))
require(clientEndpoints.length == ln.nClients)
@ -137,7 +139,7 @@ class OuterMemorySystem(htif_width: Int, clientEndpoints: Seq[ClientCoherenceAge
io.mem_backup <> mem_serdes.io.narrow
}
case class UncoreConfiguration(l2: L2CoherenceAgentConfiguration, tl: TileLinkConfiguration, nTiles: Int, nBanks: Int, bankIdLsb: Int)
case class UncoreConfiguration(l2: L2CoherenceAgentConfiguration, tl: TileLinkConfiguration, nTiles: Int, nBanks: Int, bankIdLsb: Int, nSCR: Int)
class Uncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit conf: UncoreConfiguration) extends Module
{
@ -152,7 +154,7 @@ class Uncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit conf
val mem_backup = new ioMemSerialized(htif_width)
val mem_backup_en = Bool(INPUT)
}
val htif = Module(new RocketHTIF(htif_width))
val htif = Module(new RocketHTIF(htif_width, conf.nSCR))
val outmemsys = Module(new OuterMemorySystem(htif_width, tileList :+ htif))
val incoherentWithHtif = (io.incoherent :+ Bool(true).asInput)
outmemsys.io.incoherent := incoherentWithHtif
@ -223,7 +225,6 @@ class VLSITopIO(htifWidth: Int) extends TopIO(htifWidth) {
val out_mem_valid = Bool(OUTPUT)
}
import DummyTopLevelConstants._
class MemDessert extends Module {
val io = new MemDesserIO(HTIF_WIDTH)
@ -244,7 +245,7 @@ class Top extends Module {
implicit val ln = LogicalNetworkConfiguration(NTILES+NBANKS+1, log2Up(NTILES)+1, NBANKS, NTILES+1)
implicit val tl = TileLinkConfiguration(co, ln, log2Up(NL2_REL_XACTS+NL2_ACQ_XACTS), 2*log2Up(NMSHRS*NTILES+1), MEM_DATA_BITS)
implicit val l2 = L2CoherenceAgentConfiguration(tl, NL2_REL_XACTS, NL2_ACQ_XACTS)
implicit val uc = UncoreConfiguration(l2, tl, NTILES, NBANKS, bankIdLsb = 5)
implicit val uc = UncoreConfiguration(l2, tl, NTILES, NBANKS, bankIdLsb = 5, nSCR = 64)
val ic = ICacheConfig(128, 2, ntlb = 8, nbtb = 16)
val dc = DCacheConfig(128, 4, ntlb = 8,

4
src/main/scala/fpga.scala
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@ -46,7 +46,7 @@ class FPGAUncore(htif_width: Int, tileList: Seq[ClientCoherenceAgent])(implicit
val htif = Vec.fill(conf.nTiles){new HTIFIO(conf.nTiles)}.flip
val incoherent = Vec.fill(conf.nTiles){Bool()}.asInput
}
val htif = Module(new RocketHTIF(htif_width))
val htif = Module(new RocketHTIF(htif_width, conf.nSCR))
val outmemsys = Module(new FPGAOuterMemorySystem(htif_width, tileList :+ htif))
val incoherentWithHtif = (io.incoherent :+ Bool(true).asInput)
outmemsys.io.incoherent := incoherentWithHtif
@ -89,7 +89,7 @@ class FPGATop extends Module {
implicit val ln = LogicalNetworkConfiguration(ntiles+nbanks+1, log2Up(ntiles)+1, nbanks, ntiles+1)
implicit val tl = TileLinkConfiguration(co, ln, log2Up(1+8), 2*log2Up(nmshrs*ntiles+1), MEM_DATA_BITS)
implicit val l2 = L2CoherenceAgentConfiguration(tl, 1, 8)
implicit val uc = UncoreConfiguration(l2, tl, ntiles, nbanks, bankIdLsb = 5)
implicit val uc = UncoreConfiguration(l2, tl, ntiles, nbanks, bankIdLsb = 5, nSCR = 64)
val ic = ICacheConfig(64, 1, ntlb = 4, nbtb = 4)
val dc = DCacheConfig(64, 1, ntlb = 4, nmshr = 2, nrpq = 16, nsdq = 17, states = co.nClientStates)