riscv/rocket-chip
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Hub addr comparison bug fix

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This commit is contained in:
Henry Cook 2012-03-08 16:39:05 -08:00
parent 788ad327da
commit 35c4bd4084
1 changed files with 6 additions and 7 deletions
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13
rocket/src/main/scala/coherence.scala
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@ -42,7 +42,7 @@ class TrackerDependency extends Bundle {
class TransactionInit extends Bundle {
val t_type = Bits(width = X_INIT_TYPE_BITS)
val tile_xact_id = Bits(width = TILE_XACT_ID_BITS)
val address = UFix(width = PADDR_BITS)
val address = UFix(width = PADDR_BITS - OFFSET_BITS)
}
class TransactionInitData extends MemData
@ -54,7 +54,7 @@ class TransactionAbort extends Bundle {
class ProbeRequest extends Bundle {
val p_type = Bits(width = P_REQ_TYPE_BITS)
val global_xact_id = Bits(width = GLOBAL_XACT_ID_BITS)
val address = Bits(width = PADDR_BITS)
val address = Bits(width = PADDR_BITS - OFFSET_BITS)
}
class ProbeReply extends Bundle {
@ -230,7 +230,7 @@ class XactTracker(id: Int) extends Component with FourStateCoherence {
val mem_req_lock = Bool(OUTPUT)
val probe_req = (new ioDecoupled) { new ProbeRequest }
val busy = Bool(OUTPUT)
val addr = Bits(PADDR_BITS, OUTPUT)
val addr = Bits(PADDR_BITS - OFFSET_BITS, OUTPUT)
val init_tile_id = Bits(TILE_ID_BITS, OUTPUT)
val p_rep_tile_id = Bits(TILE_ID_BITS, OUTPUT)
val tile_xact_id = Bits(TILE_XACT_ID_BITS, OUTPUT)
@ -449,9 +449,8 @@ class CoherenceHubNull extends CoherenceHub {
class CoherenceHubBroadcast extends CoherenceHub with FourStateCoherence{
def coherenceConflict(addr1: Bits, addr2: Bits): Bool = {
addr1(PADDR_BITS-1, OFFSET_BITS) === addr2(PADDR_BITS-1, OFFSET_BITS)
}
def coherenceConflict(addr1: Bits, addr2: Bits): Bool = (addr1 === addr2)
def getTransactionReplyType(t_type: UFix, count: UFix): Bits = {
MuxLookup(t_type, X_REP_READ_UNCACHED, Array(
X_INIT_READ_SHARED -> Mux(count > UFix(0), X_REP_READ_SHARED, X_REP_READ_EXCLUSIVE),
@ -464,7 +463,7 @@ class CoherenceHubBroadcast extends CoherenceHub with FourStateCoherence{
val trackerList = (0 until NGLOBAL_XACTS).map(new XactTracker(_))
val busy_arr = Vec(NGLOBAL_XACTS){ Wire(){Bool()} }
val addr_arr = Vec(NGLOBAL_XACTS){ Wire(){Bits(width=PADDR_BITS)} }
val addr_arr = Vec(NGLOBAL_XACTS){ Wire(){Bits(width=PADDR_BITS-OFFSET_BITS)} }
val init_tile_id_arr = Vec(NGLOBAL_XACTS){ Wire(){Bits(width=TILE_ID_BITS)} }
val tile_xact_id_arr = Vec(NGLOBAL_XACTS){ Wire(){Bits(width=TILE_XACT_ID_BITS)} }
val t_type_arr = Vec(NGLOBAL_XACTS){ Wire(){Bits(width=X_INIT_TYPE_BITS)} }