From c8bbfed93752c2c79d36bb9dedbc2208b856dae6 Mon Sep 17 00:00:00 2001 From: Somayeh Sardashti Date: Mon, 28 Mar 2011 10:49:45 -0500 Subject: This patch supports cache flushing in MOESI_hammer --- src/mem/ruby/system/Sequencer.cc | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'src/mem/ruby/system/Sequencer.cc') 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 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: -- cgit v1.2.3