riscv/rocket-chip
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Fixed dependency queue bug in Broadcast Hub

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This commit is contained in:
Henry Cook 2012-03-08 11:36:10 -08:00
parent 7f43dee0c9
commit 788ad327da
1 changed files with 2 additions and 2 deletions
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4
rocket/src/main/scala/coherence.scala
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@ -638,7 +638,7 @@ class CoherenceHubBroadcast extends CoherenceHub with FourStateCoherence{
for( i <- 0 until NGLOBAL_XACTS ) { for( i <- 0 until NGLOBAL_XACTS ) {
alloc_arb.io.in(i).valid := !trackerList(i).io.busy alloc_arb.io.in(i).valid := !trackerList(i).io.busy
trackerList(i).io.can_alloc := alloc_arb.io.in(i).ready trackerList(i).io.can_alloc := alloc_arb.io.in(i).ready
trackerList(i).io.alloc_req.bits <> init_arb.io.out.bits trackerList(i).io.alloc_req.bits := init_arb.io.out.bits
trackerList(i).io.alloc_req.valid := init_arb.io.out.valid trackerList(i).io.alloc_req.valid := init_arb.io.out.valid
trackerList(i).io.x_init_data.bits := io.tiles(trackerList(i).io.init_tile_id).xact_init_data.bits trackerList(i).io.x_init_data.bits := io.tiles(trackerList(i).io.init_tile_id).xact_init_data.bits
@ -655,7 +655,7 @@ class CoherenceHubBroadcast extends CoherenceHub with FourStateCoherence{
init_arb.io.in(j).bits.tile_id := UFix(j) init_arb.io.in(j).bits.tile_id := UFix(j)
val pop_x_inits = trackerList.map(_.io.pop_x_init(j).toBool) val pop_x_inits = trackerList.map(_.io.pop_x_init(j).toBool)
val do_pop = foldR(pop_x_inits)(_||_) val do_pop = foldR(pop_x_inits)(_||_)
x_init_data_dep_list(j).io.enq.valid := do_pop x_init_data_dep_list(j).io.enq.valid := do_pop && transactionInitHasData(x_init.bits) && (abort_state_arr(j) === s_idle)
x_init_data_dep_list(j).io.enq.bits.global_xact_id := OHToUFix(pop_x_inits) x_init_data_dep_list(j).io.enq.bits.global_xact_id := OHToUFix(pop_x_inits)
x_init.ready := (abort_state_arr(j) === s_abort_complete) || do_pop x_init.ready := (abort_state_arr(j) === s_abort_complete) || do_pop
x_init_data.ready := (abort_state_arr(j) === s_abort_drain) || foldR(trackerList.map(_.io.pop_x_init_data(j).toBool))(_||_) x_init_data.ready := (abort_state_arr(j) === s_abort_drain) || foldR(trackerList.map(_.io.pop_x_init_data(j).toBool))(_||_)