bridge.hh (2643:67ac7b611c56) bridge.hh (2657:b119b774656b)
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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33#ifndef __MEM_BRIDGE_HH__
34#define __MEM_BRIDGE_HH__
35
36#include <string>
37#include <list>
38#include <inttypes.h>
39#include <queue>
40
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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33#ifndef __MEM_BRIDGE_HH__
34#define __MEM_BRIDGE_HH__
35
36#include <string>
37#include <list>
38#include <inttypes.h>
39#include <queue>
40
41
42#include "mem/mem_object.hh"
43#include "mem/packet.hh"
44#include "mem/port.hh"
45#include "sim/eventq.hh"
46
47class Bridge : public MemObject
48{
49 protected:

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72 short origSrc;
73 bool expectResponse;
74
75 PacketBuffer(Packet *_pkt, Tick t)
76 : ready(t), pkt(_pkt),
77 origSenderState(_pkt->senderState), origSrc(_pkt->getSrc()),
78 expectResponse(_pkt->needsResponse())
79 {
41#include "mem/mem_object.hh"
42#include "mem/packet.hh"
43#include "mem/port.hh"
44#include "sim/eventq.hh"
45
46class Bridge : public MemObject
47{
48 protected:

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71 short origSrc;
72 bool expectResponse;
73
74 PacketBuffer(Packet *_pkt, Tick t)
75 : ready(t), pkt(_pkt),
76 origSenderState(_pkt->senderState), origSrc(_pkt->getSrc()),
77 expectResponse(_pkt->needsResponse())
78 {
80 pkt->senderState = this;
79 if (!pkt->isResponse())
80 pkt->senderState = this;
81 }
82
83 void fixResponse(Packet *pkt)
84 {
85 assert(pkt->senderState == this);
86 pkt->setDest(origSrc);
87 pkt->senderState = origSenderState;
88 }

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141 protected:
142
143 /** When receiving a timing request from the peer port,
144 pass it to the bridge. */
145 virtual bool recvTiming(Packet *pkt);
146
147 /** When receiving a retry request from the peer port,
148 pass it to the bridge. */
81 }
82
83 void fixResponse(Packet *pkt)
84 {
85 assert(pkt->senderState == this);
86 pkt->setDest(origSrc);
87 pkt->senderState = origSenderState;
88 }

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141 protected:
142
143 /** When receiving a timing request from the peer port,
144 pass it to the bridge. */
145 virtual bool recvTiming(Packet *pkt);
146
147 /** When receiving a retry request from the peer port,
148 pass it to the bridge. */
149 virtual Packet* recvRetry();
149 virtual void recvRetry();
150
151 /** When receiving a Atomic requestfrom the peer port,
152 pass it to the bridge. */
153 virtual Tick recvAtomic(Packet *pkt);
154
155 /** When receiving a Functional request from the peer port,
156 pass it to the bridge. */
157 virtual void recvFunctional(Packet *pkt);

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151 /** When receiving a Atomic requestfrom the peer port,
152 pass it to the bridge. */
153 virtual Tick recvAtomic(Packet *pkt);
154
155 /** When receiving a Functional request from the peer port,
156 pass it to the bridge. */
157 virtual void recvFunctional(Packet *pkt);

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