RubyRequest.cc revision 9302
18092Snilay@cs.wisc.edu#include <iostream> 28092Snilay@cs.wisc.edu 38092Snilay@cs.wisc.edu#include "mem/ruby/slicc_interface/RubyRequest.hh" 48092Snilay@cs.wisc.edu 58092Snilay@cs.wisc.eduusing namespace std; 68092Snilay@cs.wisc.edu 78174Snilay@cs.wisc.eduvoid 88174Snilay@cs.wisc.eduRubyRequest::print(ostream& out) const 98092Snilay@cs.wisc.edu{ 108174Snilay@cs.wisc.edu out << "[RubyRequest: "; 118174Snilay@cs.wisc.edu out << "LineAddress = " << m_LineAddress << " "; 128174Snilay@cs.wisc.edu out << "PhysicalAddress = " << m_PhysicalAddress << " "; 138174Snilay@cs.wisc.edu out << "Type = " << m_Type << " "; 148174Snilay@cs.wisc.edu out << "ProgramCounter = " << m_ProgramCounter << " "; 158174Snilay@cs.wisc.edu out << "AccessMode = " << m_AccessMode << " "; 168174Snilay@cs.wisc.edu out << "Size = " << m_Size << " "; 178174Snilay@cs.wisc.edu out << "Prefetch = " << m_Prefetch << " "; 188174Snilay@cs.wisc.edu// out << "Time = " << getTime() << " "; 198174Snilay@cs.wisc.edu out << "]"; 208092Snilay@cs.wisc.edu} 219302Snilay@cs.wisc.edu 229302Snilay@cs.wisc.edubool 239302Snilay@cs.wisc.eduRubyRequest::functionalRead(Packet *pkt) 249302Snilay@cs.wisc.edu{ 259302Snilay@cs.wisc.edu // This needs a little explanation. Initially I thought that this 269302Snilay@cs.wisc.edu // message should be read. But the way the memtester works for now, 279302Snilay@cs.wisc.edu // we should not be reading this message as memtester updates the 289302Snilay@cs.wisc.edu // functional memory only after a write has actually taken place. 299302Snilay@cs.wisc.edu return false; 309302Snilay@cs.wisc.edu} 319302Snilay@cs.wisc.edu 329302Snilay@cs.wisc.edubool 339302Snilay@cs.wisc.eduRubyRequest::functionalWrite(Packet *pkt) 349302Snilay@cs.wisc.edu{ 359302Snilay@cs.wisc.edu // This needs a little explanation. I am not sure if this message 369302Snilay@cs.wisc.edu // should be written. Essentially the question is how are writes 379302Snilay@cs.wisc.edu // ordered. I am assuming that if a functional write is issued after 389302Snilay@cs.wisc.edu // a timing write to the same address, then the functional write 399302Snilay@cs.wisc.edu // has to overwrite the data for the timing request, even if the 409302Snilay@cs.wisc.edu // timing request has still not been ordered globally. 419302Snilay@cs.wisc.edu 429302Snilay@cs.wisc.edu Address pktLineAddr(pkt->getAddr()); 439302Snilay@cs.wisc.edu pktLineAddr.makeLineAddress(); 449302Snilay@cs.wisc.edu 459302Snilay@cs.wisc.edu if (pktLineAddr == m_LineAddress) { 469302Snilay@cs.wisc.edu uint8_t *pktData = pkt->getPtr<uint8_t>(true); 479302Snilay@cs.wisc.edu unsigned int size_in_bytes = pkt->getSize(); 489302Snilay@cs.wisc.edu unsigned startByte = pkt->getAddr() - m_LineAddress.getAddress(); 499302Snilay@cs.wisc.edu 509302Snilay@cs.wisc.edu for (unsigned i = 0; i < size_in_bytes; ++i) { 519302Snilay@cs.wisc.edu data[i + startByte] = pktData[i]; 529302Snilay@cs.wisc.edu } 539302Snilay@cs.wisc.edu 549302Snilay@cs.wisc.edu return true; 559302Snilay@cs.wisc.edu } 569302Snilay@cs.wisc.edu return false; 579302Snilay@cs.wisc.edu} 58