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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29 * Steve Reinhardt
30 */
31
32/**
33 * @file
34 * Definition of the Packet Class, a packet is a transaction occuring
35 * between a single level of the memory heirarchy (ie L1->L2).
36 */
37#include "base/misc.hh"
38#include "mem/packet.hh"
39
40static const std::string ReadReqString("ReadReq");
41static const std::string WriteReqString("WriteReq");
42static const std::string WriteReqNoAckString("WriteReqNoAck|Writeback");
43static const std::string ReadRespString("ReadResp");
44static const std::string WriteRespString("WriteResp");
45static const std::string SoftPFReqString("SoftPFReq");
46static const std::string SoftPFRespString("SoftPFResp");
47static const std::string HardPFReqString("HardPFReq");
48static const std::string HardPFRespString("HardPFResp");
49static const std::string InvalidateReqString("InvalidateReq");
50static const std::string WriteInvalidateReqString("WriteInvalidateReq");
51static const std::string UpgradeReqString("UpgradeReq");
52static const std::string ReadExReqString("ReadExReq");
53static const std::string ReadExRespString("ReadExResp");
54static const std::string OtherCmdString("<other>");
55
56const std::string &
57Packet::cmdString() const
58{
59 switch (cmd) {
60 case ReadReq: return ReadReqString;
61 case WriteReq: return WriteReqString;
62 case WriteReqNoAck: return WriteReqNoAckString;
63 case ReadResp: return ReadRespString;
64 case WriteResp: return WriteRespString;
65 case SoftPFReq: return SoftPFReqString;
66 case SoftPFResp: return SoftPFRespString;
67 case HardPFReq: return HardPFReqString;
68 case HardPFResp: return HardPFRespString;
69 case InvalidateReq: return InvalidateReqString;
70 case WriteInvalidateReq:return WriteInvalidateReqString;
71 case UpgradeReq: return UpgradeReqString;
72 case ReadExReq: return ReadExReqString;
73 case ReadExResp: return ReadExRespString;
74 default: return OtherCmdString;
75 }
76}
77
78const std::string &
79Packet::cmdIdxToString(Packet::Command idx)
80{
81 switch (idx) {
82 case ReadReq: return ReadReqString;
83 case WriteReq: return WriteReqString;
84 case WriteReqNoAck: return WriteReqNoAckString;
85 case ReadResp: return ReadRespString;
86 case WriteResp: return WriteRespString;
87 case SoftPFReq: return SoftPFReqString;
88 case SoftPFResp: return SoftPFRespString;
89 case HardPFReq: return HardPFReqString;
90 case HardPFResp: return HardPFRespString;
91 case InvalidateReq: return InvalidateReqString;
92 case WriteInvalidateReq:return WriteInvalidateReqString;
93 case UpgradeReq: return UpgradeReqString;
94 case ReadExReq: return ReadExReqString;
95 case ReadExResp: return ReadExRespString;
96 default: return OtherCmdString;
97 }
98}
99
100/** delete the data pointed to in the data pointer. Ok to call to matter how
101 * data was allocted. */
102void
103Packet::deleteData()

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134 Addr e2 = p->getAddr() + p->getSize() - 1;
135
136 return !(s1 > e2 || e1 < s2);
137}
138
139bool
140fixPacket(Packet *func, Packet *timing)
141{
142 panic("Need to implement!");
143}