summaryrefslogtreecommitdiff
path: root/src/mem/ruby/slicc_interface/RubyRequest.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem/ruby/slicc_interface/RubyRequest.cc')
-rw-r--r--src/mem/ruby/slicc_interface/RubyRequest.cc37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mem/ruby/slicc_interface/RubyRequest.cc b/src/mem/ruby/slicc_interface/RubyRequest.cc
index 2aae61d7b..7ff2b75d8 100644
--- a/src/mem/ruby/slicc_interface/RubyRequest.cc
+++ b/src/mem/ruby/slicc_interface/RubyRequest.cc
@@ -18,3 +18,40 @@ RubyRequest::print(ostream& out) const
// out << "Time = " << getTime() << " ";
out << "]";
}
+
+bool
+RubyRequest::functionalRead(Packet *pkt)
+{
+ // This needs a little explanation. Initially I thought that this
+ // message should be read. But the way the memtester works for now,
+ // we should not be reading this message as memtester updates the
+ // functional memory only after a write has actually taken place.
+ return false;
+}
+
+bool
+RubyRequest::functionalWrite(Packet *pkt)
+{
+ // This needs a little explanation. I am not sure if this message
+ // should be written. Essentially the question is how are writes
+ // ordered. I am assuming that if a functional write is issued after
+ // a timing write to the same address, then the functional write
+ // has to overwrite the data for the timing request, even if the
+ // timing request has still not been ordered globally.
+
+ Address pktLineAddr(pkt->getAddr());
+ pktLineAddr.makeLineAddress();
+
+ if (pktLineAddr == m_LineAddress) {
+ uint8_t *pktData = pkt->getPtr<uint8_t>(true);
+ unsigned int size_in_bytes = pkt->getSize();
+ unsigned startByte = pkt->getAddr() - m_LineAddress.getAddress();
+
+ for (unsigned i = 0; i < size_in_bytes; ++i) {
+ data[i + startByte] = pktData[i];
+ }
+
+ return true;
+ }
+ return false;
+}