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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83 SoftPFResp,
84 HardPFResp,
85 InvalidateReq,
86 WriteInvalidateReq,
87 WriteInvalidateResp,
88 UpgradeReq,
89 ReadExReq,
90 ReadExResp,
91 SwapReq,
92 SwapResp,
93 NUM_MEM_CMDS
94 };
95
96 private:
97 /** List of command attributes. */
98 enum Attribute
99 {
100 IsRead,
101 IsWrite,
102 IsPrefetch,
103 IsInvalidate,
104 IsRequest,
105 IsResponse,
106 NeedsResponse,
107 IsSWPrefetch,
108 IsHWPrefetch,
109 IsUpgrade,
110 HasData,
111 IsReadWrite,
112 NUM_COMMAND_ATTRIBUTES
113 };
114
115 /** Structure that defines attributes and other data associated
116 * with a Command. */
117 struct CommandInfo {
118 /** Set of attribute flags. */
119 const std::bitset<NUM_COMMAND_ATTRIBUTES> attributes;

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139
140 bool isRead() const { return testCmdAttrib(IsRead); }
141 bool isWrite() const { return testCmdAttrib(IsWrite); }
142 bool isRequest() const { return testCmdAttrib(IsRequest); }
143 bool isResponse() const { return testCmdAttrib(IsResponse); }
144 bool needsResponse() const { return testCmdAttrib(NeedsResponse); }
145 bool isInvalidate() const { return testCmdAttrib(IsInvalidate); }
146 bool hasData() const { return testCmdAttrib(HasData); }
147 bool isReadWrite() const { return testCmdAttrib(IsReadWrite); }
148
149 const Command responseCommand() const {
150 return commandInfo[cmd].response;
151 }
152
153 /** Return the string to a cmd given by idx. */
154 const std::string &toString() const {
155 return commandInfo[cmd].str;

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299
300 bool isRead() const { return cmd.isRead(); }
301 bool isWrite() const { return cmd.isWrite(); }
302 bool isRequest() const { return cmd.isRequest(); }
303 bool isResponse() const { return cmd.isResponse(); }
304 bool needsResponse() const { return cmd.needsResponse(); }
305 bool isInvalidate() const { return cmd.isInvalidate(); }
306 bool hasData() const { return cmd.hasData(); }
307 bool isReadWrite() const { return cmd.isReadWrite(); }
308
309 bool isCacheFill() const { return (flags & CACHE_LINE_FILL) != 0; }
310 bool isNoAllocate() const { return (flags & NO_ALLOCATE) != 0; }
311 bool isCompressed() const { return (flags & COMPRESSED) != 0; }
312
313 bool nic_pkt() { panic("Unimplemented"); M5_DUMMY_RETURN }
314
315 /** Possible results of a packet's request. */

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