systemc/tlm_bridge/gem5_to_tlm.cc

82  * Convert a gem5 packet to a TLM payload by copying all the relevant
86 packet2payload(PacketPtr packet)
91     trans->set_address(packet->getAddr());
96     unsigned int size = packet->getSize();
97     unsigned char *data = packet->getPtr<unsigned char>();
103     if ((packet->req->getFlags() & Request::NO_ACCESS) != 0) {
106     } else if (packet->isRead()) {
108     } else if (packet->isInvalidate()) {
111     } else if (packet->isWrite()) {
114         SC_REPORT_FATAL("Gem5ToTlmBridge", "No R/W packet");
117     // Attach the packet pointer to the TLM transaction to keep track.
118     auto *extension = new Gem5SystemC::Gem5Extension(packet);
145         auto packet = extension.getPacket();
152          * If the packet was piped through and needs a response, we don't need
153          * to touch the packet and can forward it directly as a response.
155          * packet.
158             if (packet->isResponse()) {
159                 need_retry = !bsp.sendTimingResp(packet);
161         } else if (packet->needsResponse()) {
162             packet->makeResponse();
163             need_retry = !bsp.sendTimingResp(packet);
216 Gem5ToTlmBridge<BITWIDTH>::recvAtomic(PacketPtr packet)
218     panic_if(packet->cacheResponding(),
222     auto *trans = packet2payload(packet);
231     if (packet->needsResponse())
232         packet->makeResponse();
242         PacketPtr packet, MemBackdoorPtr &backdoor)
244     panic_if(packet->cacheResponding(),
250     auto *trans = packet2payload(packet);
264     if (packet->needsResponse())
265         packet->makeResponse();
274 Gem5ToTlmBridge<BITWIDTH>::recvFunctionalSnoop(PacketPtr packet)
284 Gem5ToTlmBridge<BITWIDTH>::recvTimingReq(PacketPtr packet)
286     panic_if(packet->cacheResponding(),
289     panic_if(!(packet->isRead() || packet->isWrite()),
316     auto *trans = packet2payload(packet);
321      * The header delay marks the point in time, when the packet first is seen
339     auto delay = sc_core::sc_time::from_value(packet->payloadDelay);
341     packet->payloadDelay = 0;
342     packet->headerDelay = 0;
374 Gem5ToTlmBridge<BITWIDTH>::recvTimingSnoopResp(PacketPtr packet)
384 Gem5ToTlmBridge<BITWIDTH>::tryTiming(PacketPtr packet)
398     PacketPtr packet =
401     bool need_retry = !bsp.sendTimingResp(packet);
415 Gem5ToTlmBridge<BITWIDTH>::recvFunctional(PacketPtr packet)
418     auto *trans = packet2payload(packet);