cpu.hh (11567:560d7fbbddd1) cpu.hh (13632:483aaa00c69c)
1/*
2 * Copyright (c) 2012-2014 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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78 */
79class MinorCPU : public BaseCPU
80{
81 protected:
82 /** pipeline is a container for the clockable pipeline stage objects.
83 * Elements of pipeline call TheISA to implement the model. */
84 Minor::Pipeline *pipeline;
85
1/*
2 * Copyright (c) 2012-2014 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

--- 69 unchanged lines hidden (view full) ---

78 */
79class MinorCPU : public BaseCPU
80{
81 protected:
82 /** pipeline is a container for the clockable pipeline stage objects.
83 * Elements of pipeline call TheISA to implement the model. */
84 Minor::Pipeline *pipeline;
85
86 /** An event that wakes up the pipeline when a thread context is
87 * activated */
88 EventFunctionWrapper pipelineStartupEvent;
89
90 /** List of threads that are ready to wake up and run */
91 std::vector<ThreadID> readyThreads;
92
86 public:
87 /** Activity recording for pipeline. This belongs to Pipeline but
88 * stages will access it through the CPU as the MinorCPU object
89 * actually mediates idling behaviour */
90 Minor::MinorActivityRecorder *activityRecorder;
91
92 /** These are thread state-representing objects for this CPU. If
93 * you need a ThreadContext for *any* reason, use

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160 /** Switching interface from BaseCPU */
161 void switchOut() override;
162 void takeOverFrom(BaseCPU *old_cpu) override;
163
164 /** Thread activation interface from BaseCPU. */
165 void activateContext(ThreadID thread_id) override;
166 void suspendContext(ThreadID thread_id) override;
167
93 public:
94 /** Activity recording for pipeline. This belongs to Pipeline but
95 * stages will access it through the CPU as the MinorCPU object
96 * actually mediates idling behaviour */
97 Minor::MinorActivityRecorder *activityRecorder;
98
99 /** These are thread state-representing objects for this CPU. If
100 * you need a ThreadContext for *any* reason, use

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167 /** Switching interface from BaseCPU */
168 void switchOut() override;
169 void takeOverFrom(BaseCPU *old_cpu) override;
170
171 /** Thread activation interface from BaseCPU. */
172 void activateContext(ThreadID thread_id) override;
173 void suspendContext(ThreadID thread_id) override;
174
175 /** Wake up ready-to-run threads */
176 void wakeupPipeline();
177
168 /** Thread scheduling utility functions */
169 std::vector<ThreadID> roundRobinPriority(ThreadID priority)
170 {
171 std::vector<ThreadID> prio_list;
172 for (ThreadID i = 1; i <= numThreads; i++) {
173 prio_list.push_back((priority + i) % numThreads);
174 }
175 return prio_list;

--- 20 unchanged lines hidden --- 		178 /** Thread scheduling utility functions */
179 std::vector<ThreadID> roundRobinPriority(ThreadID priority)
180 {
181 std::vector<ThreadID> prio_list;
182 for (ThreadID i = 1; i <= numThreads; i++) {
183 prio_list.push_back((priority + i) % numThreads);
184 }
185 return prio_list;

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