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| author | Somayeh Sardashti <somayeh@cs.wisc.edu> | 2011-03-28 10:49:45 -0500 |
|---|---|---|
| committer | Somayeh Sardashti <somayeh@cs.wisc.edu> | 2011-03-28 10:49:45 -0500 |
| commit | c8bbfed93752c2c79d36bb9dedbc2208b856dae6 (patch) | |
| tree | c33a164e435603a4424f81f7f09ec50b5f01e455 /src/mem/ruby/system/Sequencer.cc | |
| parent | ef987a4064f1e81fd1b61f3de03834a51658645f (diff) | |
| download | gem5-c8bbfed93752c2c79d36bb9dedbc2208b856dae6.tar.xz | |
This patch supports cache flushing in MOESI_hammer
Diffstat (limited to 'src/mem/ruby/system/Sequencer.cc')
| -rw-r--r-- | src/mem/ruby/system/Sequencer.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/mem/ruby/system/Sequencer.cc b/src/mem/ruby/system/Sequencer.cc index 7eb46e006..94ba6c2d3 100644 --- a/src/mem/ruby/system/Sequencer.cc +++ b/src/mem/ruby/system/Sequencer.cc @@ -234,7 +234,8 @@ Sequencer::insertRequest(SequencerRequest* request) (request->ruby_request.m_Type == RubyRequestType_Load_Linked) || (request->ruby_request.m_Type == RubyRequestType_Store_Conditional) || (request->ruby_request.m_Type == RubyRequestType_Locked_RMW_Read) || - (request->ruby_request.m_Type == RubyRequestType_Locked_RMW_Write)) { + (request->ruby_request.m_Type == RubyRequestType_Locked_RMW_Write) || + (request->ruby_request.m_Type == RubyRequestType_FLUSH)) { pair<RequestTable::iterator, bool> r = m_writeRequestTable.insert(RequestTable::value_type(line_addr, 0)); bool success = r.second; @@ -338,7 +339,7 @@ Sequencer::handleLlsc(const Address& address, SequencerRequest* request) // previously locked cache lines? // m_dataCache_ptr->setLocked(address, m_version); - } else if (m_dataCache_ptr->isLocked(address, m_version)) { + } else if ((m_dataCache_ptr->isTagPresent(address)) && (m_dataCache_ptr->isLocked(address, m_version))) { // // Normal writes should clear the locked address // @@ -385,7 +386,9 @@ Sequencer::writeCallback(const Address& address, (request->ruby_request.m_Type == RubyRequestType_Load_Linked) || (request->ruby_request.m_Type == RubyRequestType_Store_Conditional) || (request->ruby_request.m_Type == RubyRequestType_Locked_RMW_Read) || - (request->ruby_request.m_Type == RubyRequestType_Locked_RMW_Write)); + (request->ruby_request.m_Type == RubyRequestType_Locked_RMW_Write) || + (request->ruby_request.m_Type == RubyRequestType_FLUSH)); + // // For Alpha, properly handle LL, SC, and write requests with respect to @@ -619,6 +622,9 @@ Sequencer::issueRequest(const RubyRequest& request) case RubyRequestType_LD: ctype = RubyRequestType_LD; break; + case RubyRequestType_FLUSH: + ctype = RubyRequestType_FLUSH; + break; case RubyRequestType_ST: case RubyRequestType_RMW_Read: case RubyRequestType_RMW_Write: |