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fix bug in coherence hub, specifically in abort handling logic

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This commit is contained in:
Yunsup Lee 2012-03-20 00:18:32 -07:00
parent e38114e4b0
commit 5f69c5a764
1 changed files with 3 additions and 3 deletions
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2
uncore/coherence.scala
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@ -648,11 +648,11 @@ class CoherenceHubBroadcast(ntiles: Int) extends CoherenceHub(ntiles) with FourS
is(s_abort_drain) { // raises x_init_data.ready below is(s_abort_drain) { // raises x_init_data.ready below
when(x_init_data.valid) { when(x_init_data.valid) {
abort_cnt := abort_cnt + UFix(1) abort_cnt := abort_cnt + UFix(1)
}
when(abort_cnt === ~UFix(0, width = log2up(REFILL_CYCLES))) { when(abort_cnt === ~UFix(0, width = log2up(REFILL_CYCLES))) {
abort_state_arr(j) := s_abort_send abort_state_arr(j) := s_abort_send
} }
} }
}
is(s_abort_send) { // nothing is dequeued for now is(s_abort_send) { // nothing is dequeued for now
x_abort.valid := Bool(true) x_abort.valid := Bool(true)
when(x_abort.ready) { when(x_abort.ready) {