packet.hh (9044:904ddeecc653) packet.hh (9165:f9e3dac185ba)
1/*
2 * Copyright (c) 2012 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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115 SwapReq,
116 SwapResp,
117 MessageReq,
118 MessageResp,
119 // Error responses
120 // @TODO these should be classified as responses rather than
121 // requests; coding them as requests initially for backwards
122 // compatibility
1/*
2 * Copyright (c) 2012 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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115 SwapReq,
116 SwapResp,
117 MessageReq,
118 MessageResp,
119 // Error responses
120 // @TODO these should be classified as responses rather than
121 // requests; coding them as requests initially for backwards
122 // compatibility
123 NetworkNackError, // nacked at network layer (not by protocol)
124 InvalidDestError, // packet dest field invalid
125 BadAddressError, // memory address invalid
126 FunctionalReadError, // unable to fulfill functional read
127 FunctionalWriteError, // unable to fulfill functional write
128 // Fake simulator-only commands
129 PrintReq, // Print state matching address
130 FlushReq, //request for a cache flush
131 InvalidationReq, // request for address to be invalidated from lsq

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461 bool isSupplyExclusive() { return flags.isSet(SUPPLY_EXCLUSIVE); }
462 void setSuppressFuncError() { flags.set(SUPPRESS_FUNC_ERROR); }
463 bool suppressFuncError() { return flags.isSet(SUPPRESS_FUNC_ERROR); }
464
465 // Network error conditions... encapsulate them as methods since
466 // their encoding keeps changing (from result field to command
467 // field, etc.)
468 void
123 InvalidDestError, // packet dest field invalid
124 BadAddressError, // memory address invalid
125 FunctionalReadError, // unable to fulfill functional read
126 FunctionalWriteError, // unable to fulfill functional write
127 // Fake simulator-only commands
128 PrintReq, // Print state matching address
129 FlushReq, //request for a cache flush
130 InvalidationReq, // request for address to be invalidated from lsq

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460 bool isSupplyExclusive() { return flags.isSet(SUPPLY_EXCLUSIVE); }
461 void setSuppressFuncError() { flags.set(SUPPRESS_FUNC_ERROR); }
462 bool suppressFuncError() { return flags.isSet(SUPPRESS_FUNC_ERROR); }
463
464 // Network error conditions... encapsulate them as methods since
465 // their encoding keeps changing (from result field to command
466 // field, etc.)
467 void
469 setNacked()
470 {
471 assert(isResponse());
472 cmd = MemCmd::NetworkNackError;
473 }
474
475 void
476 setBadAddress()
477 {
478 assert(isResponse());
479 cmd = MemCmd::BadAddressError;
480 }
481
468 setBadAddress()
469 {
470 assert(isResponse());
471 cmd = MemCmd::BadAddressError;
472 }
473
482 bool wasNacked() const { return cmd == MemCmd::NetworkNackError; }
483 bool hadBadAddress() const { return cmd == MemCmd::BadAddressError; }
484 void copyError(Packet *pkt) { assert(pkt->isError()); cmd = pkt->cmd; }
485
486 bool isSrcValid() const { return src != InvalidPortID; }
487 /// Accessor function to get the source index of the packet.
488 PortID getSrc() const { assert(isSrcValid()); return src; }
489 /// Accessor function to set the source index of the packet.
490 void setSrc(PortID _src) { src = _src; }

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664 if (isWrite()) {
665 cmd = MemCmd::FunctionalWriteError;
666 } else {
667 cmd = MemCmd::FunctionalReadError;
668 }
669 }
670 }
671
474 bool hadBadAddress() const { return cmd == MemCmd::BadAddressError; }
475 void copyError(Packet *pkt) { assert(pkt->isError()); cmd = pkt->cmd; }
476
477 bool isSrcValid() const { return src != InvalidPortID; }
478 /// Accessor function to get the source index of the packet.
479 PortID getSrc() const { assert(isSrcValid()); return src; }
480 /// Accessor function to set the source index of the packet.
481 void setSrc(PortID _src) { src = _src; }

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655 if (isWrite()) {
656 cmd = MemCmd::FunctionalWriteError;
657 } else {
658 cmd = MemCmd::FunctionalReadError;
659 }
660 }
661 }
662
672 /**
673 * Take a request packet that has been returned as NACKED and
674 * modify it so that it can be sent out again. Only packets that
675 * need a response can be NACKED, so verify that that is true.
676 */
677 void
663 void
678 reinitNacked()
679 {
680 assert(wasNacked());
681 cmd = origCmd;
682 assert(needsResponse());
683 clearDest();
684 }
685
686 void
687 setSize(unsigned size)
688 {
689 assert(!flags.isSet(VALID_SIZE));
690
691 this->size = size;
692 flags.set(VALID_SIZE);
693 }
694

--- 178 unchanged lines hidden --- 		664 setSize(unsigned size)
665 {
666 assert(!flags.isSet(VALID_SIZE));
667
668 this->size = size;
669 flags.set(VALID_SIZE);
670 }
671

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