noncoherent_xbar.cc (10912:b99a6662d7c2) noncoherent_xbar.cc (11284:b3926db25371)
1/*
2 * Copyright (c) 2011-2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 128 unchanged lines hidden (view full) ---

137 calcPacketTiming(pkt, xbar_delay);
138
139 // determine how long to be crossbar layer is busy
140 Tick packetFinishTime = clockEdge(Cycles(1)) + pkt->payloadDelay;
141
142 // before forwarding the packet (and possibly altering it),
143 // remember if we are expecting a response
144 const bool expect_response = pkt->needsResponse() &&
1/*
2 * Copyright (c) 2011-2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 128 unchanged lines hidden (view full) ---

137 calcPacketTiming(pkt, xbar_delay);
138
139 // determine how long to be crossbar layer is busy
140 Tick packetFinishTime = clockEdge(Cycles(1)) + pkt->payloadDelay;
141
142 // before forwarding the packet (and possibly altering it),
143 // remember if we are expecting a response
144 const bool expect_response = pkt->needsResponse() &&
145 !pkt->memInhibitAsserted();
145 !pkt->cacheResponding();
146
147 // since it is a normal request, attempt to send the packet
148 bool success = masterPorts[master_port_id]->sendTimingReq(pkt);
149
150 if (!success) {
146
147 // since it is a normal request, attempt to send the packet
148 bool success = masterPorts[master_port_id]->sendTimingReq(pkt);
149
150 if (!success) {
151 // inhibited packets should never be forced to retry
152 assert(!pkt->memInhibitAsserted());
153
154 DPRINTF(NoncoherentXBar, "recvTimingReq: src %s %s 0x%x RETRY\n",
155 src_port->name(), pkt->cmdString(), pkt->getAddr());
156
157 // restore the header delay as it is additive
158 pkt->headerDelay = old_header_delay;
159
160 // occupy until the header is sent
161 reqLayers[master_port_id]->failedTiming(src_port,

--- 170 unchanged lines hidden --- 		151 DPRINTF(NoncoherentXBar, "recvTimingReq: src %s %s 0x%x RETRY\n",
152 src_port->name(), pkt->cmdString(), pkt->getAddr());
153
154 // restore the header delay as it is additive
155 pkt->headerDelay = old_header_delay;
156
157 // occupy until the header is sent
158 reqLayers[master_port_id]->failedTiming(src_port,

--- 170 unchanged lines hidden ---