src/mem/snoop_filter.cc

66 SnoopFilter::lookupRequest(const Packet* cpkt, const SlavePort& slave_port)
69             slave_port.name(), cpkt->print());
72     bool allocate = !cpkt->req->isUncacheable() && slave_port.isSnooping() &&
73         cpkt->fromCache();
74     Addr line_addr = cpkt->getBlockAddr(linesize);
75     if (cpkt->isSecure()) {
117     if (cpkt->needsResponse()) {
118         if (!cpkt->cacheResponding()) {
139     } else { // if (!cpkt->needsResponse())
140         assert(cpkt->isEviction());
147         if (!cpkt->isBlockCached()) {
184 SnoopFilter::lookupSnoop(const Packet* cpkt)
186     DPRINTF(SnoopFilter, "%s: packet %s\n", __func__, cpkt->print());
188     assert(cpkt->isRequest());
190     Addr line_addr = cpkt->getBlockAddr(linesize);
191     if (cpkt->isSecure()) {
225     assert(cpkt->isWriteback() || cpkt->req->isUncacheable() ||
226            (cpkt->isInvalidate() == cpkt->needsWritable()) ||
227            cpkt->req->isCacheMaintenance());
228     if (cpkt->isInvalidate() && sf_item.requested.none()) {
244 SnoopFilter::updateSnoopResponse(const Packet* cpkt,
249             __func__, rsp_port.name(), req_port.name(), cpkt->print());
251     assert(cpkt->isResponse());
252     assert(cpkt->cacheResponding());
257     if (cpkt->req->isUncacheable() || !req_port.isSnooping()) {
261     Addr line_addr = cpkt->getBlockAddr(linesize);
262     if (cpkt->isSecure()) {
284     if (!cpkt->hasSharers()) {
291     assert(!cpkt->isWriteback());
301 SnoopFilter::updateSnoopForward(const Packet* cpkt,
305             __func__, rsp_port.name(), req_port.name(), cpkt->print());
307     assert(cpkt->isResponse());
308     assert(cpkt->cacheResponding());
310     Addr line_addr = cpkt->getBlockAddr(linesize);
311     if (cpkt->isSecure()) {
324     if (!cpkt->hasSharers()) {
338 SnoopFilter::updateResponse(const Packet* cpkt, const SlavePort& slave_port)
341             __func__, slave_port.name(), cpkt->print());
343     assert(cpkt->isResponse());
347     if (cpkt->req->isUncacheable() || !slave_port.isSnooping())
351     Addr line_addr = cpkt->getBlockAddr(linesize);
352     if (cpkt->isSecure()) {
373     if (cpkt->req->isCacheMaintenance()) {
376         if (cpkt->isInvalidate()) {