tlm/src/sc_slave_port.cc

53  * Convert a gem5 packet to a TLM payload by copying all the relevant
57 packet2payload(PacketPtr packet, tlm::tlm_generic_payload &trans)
59     trans.set_address(packet->getAddr());
64     unsigned int size = packet->getSize();
65     unsigned char *data = packet->getPtr<unsigned char>();
71     if (packet->isRead()) {
74     else if (packet->isInvalidate()) {
76     } else if (packet->isWrite()) {
79         SC_REPORT_FATAL("SCSlavePort", "No R/W packet");
87 SCSlavePort::recvAtomic(PacketPtr packet)
92     panic_if(packet->cacheResponding(), "Should not see packets where cache "
95     panic_if(!(packet->isRead() || packet->isWrite()),
105     packet2payload(packet, *trans);
107     /* Attach the packet pointer to the TLM transaction to keep track */
108     Gem5Extension* extension = new Gem5Extension(packet);
112     if (packet->cmd == MemCmd::SwapReq) {
114     } else if (packet->isRead()) {
116     } else if (packet->isInvalidate()) {
118     } else if (packet->isWrite()) {
124     if (packet->needsResponse()) {
125         packet->makeResponse();
137 SCSlavePort::recvFunctional(PacketPtr packet)
142     packet2payload(packet, *trans);
144     /* Attach the packet pointer to the TLM transaction to keep track */
145     Gem5Extension* extension = new Gem5Extension(packet);
158 SCSlavePort::recvTimingSnoopResp(PacketPtr packet)
166 SCSlavePort::recvFunctionalSnoop(PacketPtr packet)
176 SCSlavePort::recvTimingReq(PacketPtr packet)
180     panic_if(packet->cacheResponding(), "Should not see packets where cache "
183     panic_if(!(packet->isRead() || packet->isWrite()),
211     packet2payload(packet, *trans);
213     /* Attach the packet pointer to the TLM transaction to keep track */
214     Gem5Extension* extension = new Gem5Extension(packet);
220      * The header delay marks the point in time, when the packet first is seen
238     auto delay = sc_core::sc_time::from_value(packet->payloadDelay);
240     packet->payloadDelay = 0;
241     packet->headerDelay = 0;
294         auto packet = extension.getPacket();
301          * If the packet was piped through and needs a response, we don't need
302          * to touch the packet and can forward it directly as a response.
304          * packet.
307             if (packet->isResponse()) {
308                 need_retry = !sendTimingResp(packet);
310         } else if (packet->needsResponse()) {
311             packet->makeResponse();
312             need_retry = !sendTimingResp(packet);
341     PacketPtr packet = Gem5Extension::getExtension(trans).getPacket();
343     bool need_retry = !sendTimingResp(packet);