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

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314 const Cycles frontendLatency;
315 /** Cycles of forward latency */
316 const Cycles forwardLatency;
317 /** Cycles of response latency */
318 const Cycles responseLatency;
319 /** the width of the xbar in bytes */
320 const uint32_t width;
321
322 AddrRangeMap<PortID, 3> portMap;
323
324 /**
325 * Remember where request packets came from so that we can route
326 * responses to the appropriate port. This relies on the fact that
327 * the underlying Request pointer inside the Packet stays
328 * constant.
329 */
330 std::unordered_map<RequestPtr, PortID> routeTo;

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345 /** Find which port connected to this crossbar (if any) should be
346 * given a packet with this address.
347 *
348 * @param addr Address to find port for.
349 * @return id of port that the packet should be sent out of.
350 */
351 PortID findPort(Addr addr);
352
353 /**
354 * Return the address ranges the crossbar is responsible for.
355 *
356 * @return a list of non-overlapping address ranges
357 */
358 AddrRangeList getAddrRanges() const;
359
360 /**

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