xbar.cc (13892:0182a0601f66) xbar.cc (14192:595a4358b844)
1/*
2 * Copyright (c) 2011-2015, 2018 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

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339 name());
340}
341
342/** Function called by the port when the crossbar is receiving a range change.*/
343void
344BaseXBar::recvRangeChange(PortID master_port_id)
345{
346 DPRINTF(AddrRanges, "Received range change from slave port %s\n",
1/*
2 * Copyright (c) 2011-2015, 2018 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

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339 name());
340}
341
342/** Function called by the port when the crossbar is receiving a range change.*/
343void
344BaseXBar::recvRangeChange(PortID master_port_id)
345{
346 DPRINTF(AddrRanges, "Received range change from slave port %s\n",
347 masterPorts[master_port_id]->getSlavePort().name());
347 masterPorts[master_port_id]->getPeer());
348
349 // remember that we got a range from this master port and thus the
350 // connected slave module
351 gotAddrRanges[master_port_id] = true;
352
353 // update the global flag
354 if (!gotAllAddrRanges) {
355 // take a logical AND of all the ports and see if we got

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400 DPRINTF(AddrRanges, "Adding range %s for id %d\n",
401 r.to_string(), master_port_id);
402 if (portMap.insert(r, master_port_id) == portMap.end()) {
403 PortID conflict_id = portMap.intersects(r)->second;
404 fatal("%s has two ports responding within range "
405 "%s:\n\t%s\n\t%s\n",
406 name(),
407 r.to_string(),
348
349 // remember that we got a range from this master port and thus the
350 // connected slave module
351 gotAddrRanges[master_port_id] = true;
352
353 // update the global flag
354 if (!gotAllAddrRanges) {
355 // take a logical AND of all the ports and see if we got

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400 DPRINTF(AddrRanges, "Adding range %s for id %d\n",
401 r.to_string(), master_port_id);
402 if (portMap.insert(r, master_port_id) == portMap.end()) {
403 PortID conflict_id = portMap.intersects(r)->second;
404 fatal("%s has two ports responding within range "
405 "%s:\n\t%s\n\t%s\n",
406 name(),
407 r.to_string(),
408 masterPorts[master_port_id]->getSlavePort().name(),
409 masterPorts[conflict_id]->getSlavePort().name());
408 masterPorts[master_port_id]->getPeer(),
409 masterPorts[conflict_id]->getPeer());
410 }
411 }
412 }
413
414 // if we have received ranges from all our neighbouring slave
415 // modules, go ahead and tell our connected master modules in
416 // turn, this effectively assumes a tree structure of the system
417 if (gotAllAddrRanges) {

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552
553 // both the packet count and total size are two-dimensional
554 // vectors, indexed by slave port id and master port id, thus the
555 // neighbouring master and slave, they do not differentiate what
556 // came from the master and was forwarded to the slave (requests
557 // and snoop responses) and what came from the slave and was
558 // forwarded to the master (responses and snoop requests)
559 for (int i = 0; i < slavePorts.size(); i++) {
410 }
411 }
412 }
413
414 // if we have received ranges from all our neighbouring slave
415 // modules, go ahead and tell our connected master modules in
416 // turn, this effectively assumes a tree structure of the system
417 if (gotAllAddrRanges) {

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552
553 // both the packet count and total size are two-dimensional
554 // vectors, indexed by slave port id and master port id, thus the
555 // neighbouring master and slave, they do not differentiate what
556 // came from the master and was forwarded to the slave (requests
557 // and snoop responses) and what came from the slave and was
558 // forwarded to the master (responses and snoop requests)
559 for (int i = 0; i < slavePorts.size(); i++) {
560 pktCount.subname(i, slavePorts[i]->getMasterPort().name());
561 pktSize.subname(i, slavePorts[i]->getMasterPort().name());
560 pktCount.subname(i, slavePorts[i]->getPeer().name());
561 pktSize.subname(i, slavePorts[i]->getPeer().name());
562 for (int j = 0; j < masterPorts.size(); j++) {
562 for (int j = 0; j < masterPorts.size(); j++) {
563 pktCount.ysubname(j, masterPorts[j]->getSlavePort().name());
564 pktSize.ysubname(j, masterPorts[j]->getSlavePort().name());
563 pktCount.ysubname(j, masterPorts[j]->getPeer().name());
564 pktSize.ysubname(j, masterPorts[j]->getPeer().name());
565 }
566 }
567}
568
569template <typename SrcType, typename DstType>
570DrainState
571BaseXBar::Layer<SrcType, DstType>::drain()
572{

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566 }
567}
568
569template <typename SrcType, typename DstType>
570DrainState
571BaseXBar::Layer<SrcType, DstType>::drain()
572{

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