riscv/rocket-chip
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cleanup disconnected io pins (overwritten network headers)

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This commit is contained in:
Henry Cook
2013-01-27 11:59:17 -08:00
parent 1945fa898b
commit 1134bbf1a4
2 changed files with 12 additions and 3 deletions
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8
uncore/src/package.scala
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@@ -62,21 +62,23 @@ class LogicalHeader(implicit conf: LogicalNetworkConfiguration) extends Bundle {
}
object FIFOedLogicalNetworkIOWrapper {
def apply[T <: Data](in: FIFOIO[T])(implicit conf: LogicalNetworkConfiguration) = {
val shim = (new FIFOedLogicalNetworkIOWrapper){ in.bits.clone }
def apply[T <: Data](in: FIFOIO[T], src: UFix = UFix(0), dst: UFix = UFix(0))(implicit conf: LogicalNetworkConfiguration) = {
val shim = (new FIFOedLogicalNetworkIOWrapper(src, dst)){ in.bits.clone }
shim.io.in.valid := in.valid
shim.io.in.bits := in.bits
in.ready := shim.io.in.ready
shim.io.out
}
}
class FIFOedLogicalNetworkIOWrapper[T <: Data]()(data: => T)(implicit lconf: LogicalNetworkConfiguration) extends Component {
class FIFOedLogicalNetworkIOWrapper[T <: Data](src: UFix, dst: UFix)(data: => T)(implicit lconf: LogicalNetworkConfiguration) extends Component {
val io = new Bundle {
val in = (new FIFOIO){ data }.flip
val out = (new FIFOIO){(new LogicalNetworkIO){ data }}
}
io.out.valid := io.in.valid
io.out.bits.payload := io.in.bits
io.out.bits.header.dst := dst
io.out.bits.header.src := src
io.in.ready := io.out.ready
}

7
uncore/src/uncore.scala
View File

@@ -369,6 +369,8 @@ class CoherenceHubBroadcast(implicit conf: CoherenceHubConfiguration) extends Co
rep.bits.payload.master_xact_id := UFix(0)
rep.bits.payload.data := io.mem.resp.bits.data
rep.bits.payload.require_ack := Bool(true)
rep.bits.header.dst := UFix(0) // DNC
rep.bits.header.src := UFix(0) // DNC
rep.valid := Bool(false)
when(io.mem.resp.valid && (UFix(j) === init_client_id_arr(mem_idx))) {
rep.bits.payload.g_type := co.getGrantType(a_type_arr(mem_idx), sh_count_arr(mem_idx))
@@ -445,6 +447,8 @@ class CoherenceHubBroadcast(implicit conf: CoherenceHubConfiguration) extends Co
conflicts(i) := t.busy && x_init.valid && co.isCoherenceConflict(t.addr, x_init.bits.payload.addr)
}
x_abort.bits.payload.client_xact_id := x_init.bits.payload.client_xact_id
x_abort.bits.header.dst := UFix(0) // DNC
x_abort.bits.header.src := UFix(0) // DNC
want_to_abort_arr(j) := x_init.valid && (conflicts.toBits.orR || busy_arr.toBits.andR || (!x_init_data_dep_list(j).io.enq.ready && co.messageHasData(x_init.bits.payload)))
x_abort.valid := Bool(false)
@@ -585,6 +589,7 @@ class L2CoherenceAgent(implicit conf: CoherenceHubConfiguration) extends Coheren
// Nack conflicting transaction init attempts
x_abort.bits.header.dst := x_init.bits.header.src
x_abort.bits.header.src := UFix(0) //DNC
x_abort.bits.payload.client_xact_id := x_init.bits.payload.client_xact_id
x_abort.valid := Bool(false)
switch(abort_state) {
@@ -746,12 +751,14 @@ class XactTracker(id: Int)(implicit conf: CoherenceHubConfiguration) extends Com
io.p_req.bits.payload.master_xact_id := UFix(id)
io.p_req.bits.payload.addr := xact.addr
io.p_req.bits.header.dst := UFix(0)
io.p_req.bits.header.src := UFix(0) // DNC
io.grant.bits.payload.data := io.mem_resp.bits.data
io.grant.bits.payload.g_type := co.getGrantType(xact.a_type, init_sharer_cnt_)
io.grant.bits.payload.client_xact_id := xact.client_xact_id
io.grant.bits.payload.master_xact_id := UFix(id)
io.grant.bits.payload.require_ack := all_grants_require_acks
io.grant.bits.header.dst := init_client_id_
io.grant.bits.header.src := UFix(0) // DNC
io.grant.valid := (io.mem_resp.valid && (UFix(id) === io.mem_resp.bits.tag))
io.x_init.ready := Bool(false)
io.x_init_data.ready := Bool(false)