riscv/rocket-chip
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don't dequeue probe queue during reset

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This commit is contained in:
Andrew Waterman 2012-07-22 21:05:52 -07:00
parent 0258dfb23f
commit c6ac836581
1 changed files with 5 additions and 4 deletions
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9
uncore/uncore.scala
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@ -140,6 +140,8 @@ class XactTracker(ntiles: Int, id: Int, co: CoherencePolicy) extends Component {
val mem_cnt = Reg(resetVal = UFix(0, width = log2Up(REFILL_CYCLES)))
val mem_cnt_next = mem_cnt + UFix(1)
val mem_cnt_max = ~UFix(0, width = log2Up(REFILL_CYCLES))
val p_req_initial_flags = Bits(width = ntiles)
p_req_initial_flags := ~(io.tile_incoherent | UFixToOH(io.alloc_req.bits.tile_id(log2Up(ntiles)-1,0))) //TODO: Broadcast only
io.busy := state != s_idle
io.addr := addr_
@ -178,15 +180,14 @@ class XactTracker(ntiles: Int, id: Int, co: CoherencePolicy) extends Component {
tile_xact_id_ := io.alloc_req.bits.xact_init.tile_xact_id
x_init_data_needs_write := co.messageHasData(io.alloc_req.bits.xact_init)
x_needs_read := co.needsMemRead(io.alloc_req.bits.xact_init.x_type, UFix(0))
val p_req_initial_flags = ~(io.tile_incoherent | UFixToOH(io.alloc_req.bits.tile_id)) //TODO: Broadcast only
p_req_flags := p_req_initial_flags(ntiles-1,0)
p_req_flags := p_req_initial_flags
mem_cnt := UFix(0)
p_w_mem_cmd_sent := Bool(false)
x_w_mem_cmd_sent := Bool(false)
io.pop_x_init := UFix(1) << io.alloc_req.bits.tile_id
if(ntiles > 1) {
p_rep_count := UFix(ntiles-1)
state := Mux(p_req_initial_flags(ntiles-1,0).orR, s_probe, s_mem)
p_rep_count := PopCount(p_req_initial_flags)
state := Mux(p_req_initial_flags.orR, s_probe, s_mem)
} else state := s_mem
}
}