pmu.hh (10905:a6ca6831e775) pmu.hh (11168:f98eb2da15a4)
1/*
2 * Copyright (c) 2011-2014 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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91class PMU : public SimObject, public ArmISA::BaseISADevice {
92 public:
93 PMU(const ArmPMUParams *p);
94 ~PMU();
95
96 void addEventProbe(unsigned int id, SimObject *obj, const char *name);
97
98 public: // SimObject and related interfaces
1/*
2 * Copyright (c) 2011-2014 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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91class PMU : public SimObject, public ArmISA::BaseISADevice {
92 public:
93 PMU(const ArmPMUParams *p);
94 ~PMU();
95
96 void addEventProbe(unsigned int id, SimObject *obj, const char *name);
97
98 public: // SimObject and related interfaces
99 void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
100 void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
99 void serialize(CheckpointOut &cp) const override;
100 void unserialize(CheckpointIn &cp) override;
101
101
102 void drainResume() M5_ATTR_OVERRIDE;
102 void drainResume() override;
103
104
105 public: // ISA Device interface
106 /**
107 * Set a register within the PMU.
108 *
109 * @param misc_reg Register number (see miscregs.hh)
110 * @param val Value to store
111 */
103
104
105 public: // ISA Device interface
106 /**
107 * Set a register within the PMU.
108 *
109 * @param misc_reg Register number (see miscregs.hh)
110 * @param val Value to store
111 */
112 void setMiscReg(int misc_reg, MiscReg val) M5_ATTR_OVERRIDE;
112 void setMiscReg(int misc_reg, MiscReg val) override;
113 /**
114 * Read a register within the PMU.
115 *
116 * @param misc_reg Register number (see miscregs.hh)
117 * @return Register value.
118 */
113 /**
114 * Read a register within the PMU.
115 *
116 * @param misc_reg Register number (see miscregs.hh)
117 * @return Register value.
118 */
119 MiscReg readMiscReg(int misc_reg) M5_ATTR_OVERRIDE;
119 MiscReg readMiscReg(int misc_reg) override;
120
121 protected: // PMU register types and constants
122 BitUnion32(PMCR_t)
123 // PMU Enable
124 Bitfield<0> e;
125 // Event counter reset
126 Bitfield<1> p;
127 // Cycle counter reset

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264 class ProbeListener : public ProbeListenerArgBase<uint64_t>
265 {
266 public:
267 ProbeListener(PMU &_pmu, CounterId _id,
268 ProbeManager *pm, const std::string &name)
269 : ProbeListenerArgBase(pm, name),
270 pmu(_pmu), id(_id) {}
271
120
121 protected: // PMU register types and constants
122 BitUnion32(PMCR_t)
123 // PMU Enable
124 Bitfield<0> e;
125 // Event counter reset
126 Bitfield<1> p;
127 // Cycle counter reset

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264 class ProbeListener : public ProbeListenerArgBase<uint64_t>
265 {
266 public:
267 ProbeListener(PMU &_pmu, CounterId _id,
268 ProbeManager *pm, const std::string &name)
269 : ProbeListenerArgBase(pm, name),
270 pmu(_pmu), id(_id) {}
271
272 void notify(const uint64_t &val) M5_ATTR_OVERRIDE
272 void notify(const uint64_t &val) override
273 {
274 pmu.handleEvent(id, val);
275 }
276
277 protected:
278 PMU &pmu;
279 const CounterId id;
280 };

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324 struct CounterState : public Serializable {
325 CounterState()
326 : eventId(0), filter(0), value(0), enabled(false),
327 overflow64(false) {
328
329 listeners.reserve(4);
330 }
331
273 {
274 pmu.handleEvent(id, val);
275 }
276
277 protected:
278 PMU &pmu;
279 const CounterId id;
280 };

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324 struct CounterState : public Serializable {
325 CounterState()
326 : eventId(0), filter(0), value(0), enabled(false),
327 overflow64(false) {
328
329 listeners.reserve(4);
330 }
331
332 void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
333 void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
332 void serialize(CheckpointOut &cp) const override;
333 void unserialize(CheckpointIn &cp) override;
334
335 /**
336 * Add an event count to the counter and check for overflow.
337 *
338 * @param delta Number of events to add to the counter.
339 * @return true on overflow, false otherwise.
340 */
341 bool add(uint64_t delta);

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335 /**
336 * Add an event count to the counter and check for overflow.
337 *
338 * @param delta Number of events to add to the counter.
339 * @return true on overflow, false otherwise.
340 */
341 bool add(uint64_t delta);

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