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More broadcast hub bugfixes

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This commit is contained in:
Henry Cook
2012-03-11 14:17:27 -07:00
parent d777f1cb24
commit cb5ce3fe73
1 changed files with 8 additions and 7 deletions
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9
uncore/coherence.scala
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@@ -276,17 +276,17 @@ class XactTracker(id: Int) extends Component with FourStateCoherence {
when(req_data.ready && req_data.valid) { when(req_data.ready && req_data.valid) {
pop_data := UFix(1) << tile_id pop_data := UFix(1) << tile_id
mem_cnt := mem_cnt_next mem_cnt := mem_cnt_next
}
when(mem_cnt_next === UFix(0)) { when(mem_cnt_next === UFix(0)) {
pop_dep := UFix(1) << tile_id pop_dep := UFix(1) << tile_id
trigger := Bool(false) trigger := Bool(false)
} }
} }
}
def doMemReqRead(req_cmd: ioDecoupled[MemReqCmd], trigger: Bool) { def doMemReqRead(req_cmd: ioDecoupled[MemReqCmd], trigger: Bool) {
req_cmd.valid := Bool(true) req_cmd.valid := Bool(true)
req_cmd.bits.rw := Bool(false) req_cmd.bits.rw := Bool(false)
when(req_cmd.ready ) { when(req_cmd.ready) {
trigger := Bool(false) trigger := Bool(false)
} }
} }
@@ -535,10 +535,11 @@ class CoherenceHubBroadcast extends CoherenceHub with FourStateCoherence{
rep.bits.t_type := getTransactionReplyType(t_type_arr(ack_idx), sh_count_arr(ack_idx)) rep.bits.t_type := getTransactionReplyType(t_type_arr(ack_idx), sh_count_arr(ack_idx))
rep.bits.tile_xact_id := tile_xact_id_arr(ack_idx) rep.bits.tile_xact_id := tile_xact_id_arr(ack_idx)
rep.bits.global_xact_id := ack_idx rep.bits.global_xact_id := ack_idx
rep.valid := (UFix(j) === init_tile_id_arr(ack_idx)) && send_x_rep_ack_arr.toBits.orR val do_send_ack = (UFix(j) === init_tile_id_arr(ack_idx)) && send_x_rep_ack_arr.toBits.orR
rep.valid := do_send_ack
sent_x_rep_ack_arr(ack_idx) := do_send_ack
} }
} }
sent_x_rep_ack_arr(ack_idx) := !io.mem.resp.valid
// If there were a ready signal due to e.g. intervening network use: // If there were a ready signal due to e.g. intervening network use:
//io.mem.resp.ready := io.tiles(init_tile_id_arr.read(mem_idx)).xact_rep.ready //io.mem.resp.ready := io.tiles(init_tile_id_arr.read(mem_idx)).xact_rep.ready