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author | Derek Hower <drh5@cs.wisc.edu> | 2009-10-07 15:48:26 -0500 |
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committer | Derek Hower <drh5@cs.wisc.edu> | 2009-10-07 15:48:26 -0500 |
commit | 45052162821bf3da71322302a7aeb758b5e0901c (patch) | |
tree | bc5c302a06143aad3061b004004c303eb93e4366 /src/mem/ruby | |
parent | d9a24500543a4c2f0e28f9a1c66118a19f85f495 (diff) | |
parent | 4f463b3a266f4d7524f5f7b0c6722a1a2660e120 (diff) | |
download | gem5-45052162821bf3da71322302a7aeb758b5e0901c.tar.xz |
merge
Diffstat (limited to 'src/mem/ruby')
-rw-r--r-- | src/mem/ruby/system/Sequencer.cc | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mem/ruby/system/Sequencer.cc b/src/mem/ruby/system/Sequencer.cc index bcfa0e954..bef0d5412 100644 --- a/src/mem/ruby/system/Sequencer.cc +++ b/src/mem/ruby/system/Sequencer.cc @@ -45,7 +45,7 @@ //Sequencer::Sequencer(int core_id, MessageBuffer* mandatory_q) #define LLSC_FAIL -2 - +long int already = 0; Sequencer::Sequencer(const string & name) :RubyPort(name) { @@ -354,9 +354,6 @@ void Sequencer::hitCallback(SequencerRequest* srequest, DataBlock& data) { // Returns true if the sequencer already has a load or store outstanding int Sequencer::isReady(const RubyRequest& request) { - // POLINA: check if we are currently flushing the write buffer, if so Ruby is returned as not ready - // to simulate stalling of the front-end - // Do we stall all the sequencers? If it is atomic instruction - yes! if (m_outstanding_count >= m_max_outstanding_requests) { return LIBRUBY_BUFFER_FULL; } @@ -417,6 +414,8 @@ void Sequencer::issueRequest(const RubyRequest& request) { case RubyRequestType_IFETCH: if (m_atomic_reads > 0 && m_atomic_writes == 0) { m_controller->reset_atomics(); + m_atomic_writes = 0; + m_atomic_reads = 0; } else if (m_atomic_writes > 0) { assert(m_atomic_reads > m_atomic_writes); @@ -428,6 +427,8 @@ void Sequencer::issueRequest(const RubyRequest& request) { case RubyRequestType_LD: if (m_atomic_reads > 0 && m_atomic_writes == 0) { m_controller->reset_atomics(); + m_atomic_writes = 0; + m_atomic_reads = 0; } else if (m_atomic_writes > 0) { assert(m_atomic_reads > m_atomic_writes); @@ -439,6 +440,8 @@ void Sequencer::issueRequest(const RubyRequest& request) { case RubyRequestType_ST: if (m_atomic_reads > 0 && m_atomic_writes == 0) { m_controller->reset_atomics(); + m_atomic_writes = 0; + m_atomic_reads = 0; } else if (m_atomic_writes > 0) { assert(m_atomic_reads > m_atomic_writes); |