rob.hh (8822:e7ae13867098) rob.hh (9444:ab47fe7f03f0)
1/*
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
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
2 * Copyright (c) 2004-2006 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;
9 * redistributions in binary form must reproduce the above copyright

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92
93 std::string name() const;
94
95 /** Sets pointer to the list of active threads.
96 * @param at_ptr Pointer to the list of active threads.
97 */
98 void setActiveThreads(std::list<ThreadID> *at_ptr);
99
14 * Copyright (c) 2004-2006 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright

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104
105 std::string name() const;
106
107 /** Sets pointer to the list of active threads.
108 * @param at_ptr Pointer to the list of active threads.
109 */
110 void setActiveThreads(std::list<ThreadID> *at_ptr);
111
100 /** Switches out the ROB. */
101 void switchOut();
112 /** Perform sanity checks after a drain. */
113 void drainSanityCheck() const;
102
103 /** Takes over another CPU's thread. */
104 void takeOverFrom();
105
106 /** Function to insert an instruction into the ROB. Note that whatever
107 * calls this function must ensure that there is enough space within the
108 * ROB for the new instruction.
109 * @param inst The instruction being inserted into the ROB.

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180 bool isFull()
181 { return numInstsInROB == numEntries; }
182
183 /** Returns if a specific thread's partition is full. */
184 bool isFull(ThreadID tid)
185 { return threadEntries[tid] == numEntries; }
186
187 /** Returns if the ROB is empty. */
114
115 /** Takes over another CPU's thread. */
116 void takeOverFrom();
117
118 /** Function to insert an instruction into the ROB. Note that whatever
119 * calls this function must ensure that there is enough space within the
120 * ROB for the new instruction.
121 * @param inst The instruction being inserted into the ROB.

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192 bool isFull()
193 { return numInstsInROB == numEntries; }
194
195 /** Returns if a specific thread's partition is full. */
196 bool isFull(ThreadID tid)
197 { return threadEntries[tid] == numEntries; }
198
199 /** Returns if the ROB is empty. */
188 bool isEmpty()
200 bool isEmpty() const
189 { return numInstsInROB == 0; }
190
191 /** Returns if a specific thread's partition is empty. */
201 { return numInstsInROB == 0; }
202
203 /** Returns if a specific thread's partition is empty. */
192 bool isEmpty(ThreadID tid)
204 bool isEmpty(ThreadID tid) const
193 { return threadEntries[tid] == 0; }
194
195 /** Executes the squash, marking squashed instructions. */
196 void doSquash(ThreadID tid);
197
198 /** Squashes all instructions younger than the given sequence number for
199 * the specific thread.
200 */

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259 * double checking that variable.
260 */
261 int countInsts(ThreadID tid);
262
263 /** Registers statistics. */
264 void regStats();
265
266 private:
205 { return threadEntries[tid] == 0; }
206
207 /** Executes the squash, marking squashed instructions. */
208 void doSquash(ThreadID tid);
209
210 /** Squashes all instructions younger than the given sequence number for
211 * the specific thread.
212 */

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271 * double checking that variable.
272 */
273 int countInsts(ThreadID tid);
274
275 /** Registers statistics. */
276 void regStats();
277
278 private:
279 /** Reset the ROB state */
280 void resetState();
281
267 /** Pointer to the CPU. */
268 O3CPU *cpu;
269
270 /** Active Threads in CPU */
271 std::list<ThreadID> *activeThreads;
272
273 /** Number of instructions in the ROB. */
274 unsigned numEntries;

--- 58 unchanged lines hidden --- 		282 /** Pointer to the CPU. */
283 O3CPU *cpu;
284
285 /** Active Threads in CPU */
286 std::list<ThreadID> *activeThreads;
287
288 /** Number of instructions in the ROB. */
289 unsigned numEntries;

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