timer_cpulocal.hh (12086:069c529a76fd) | timer_cpulocal.hh (13106:3af014b59080) |
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1/* | 1/* |
2 * Copyright (c) 2010-2011 ARM Limited | 2 * Copyright (c) 2010-2011,2018 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 --- 35 unchanged lines hidden (view full) --- 46#include "params/CpuLocalTimer.hh" 47 48/** @file 49 * This implements the cpu local timer from the Cortex-A9 MPCore 50 * Technical Reference Manual rev r2p2 (ARM DDI 0407F) 51 */ 52 53class BaseGic; | 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 --- 35 unchanged lines hidden (view full) --- 46#include "params/CpuLocalTimer.hh" 47 48/** @file 49 * This implements the cpu local timer from the Cortex-A9 MPCore 50 * Technical Reference Manual rev r2p2 (ARM DDI 0407F) 51 */ 52 53class BaseGic; |
54class ArmInterruptPin; |
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54 55class CpuLocalTimer : public BasicPioDevice 56{ 57 protected: 58 class Timer : public Serializable 59 { 60 61 public: --- 29 unchanged lines hidden (view full) --- 91 EndBitUnion(WatchdogCtrl) 92 93 protected: 94 std::string _name; 95 96 /** Pointer to parent class */ 97 CpuLocalTimer *parent; 98 | 55 56class CpuLocalTimer : public BasicPioDevice 57{ 58 protected: 59 class Timer : public Serializable 60 { 61 62 public: --- 29 unchanged lines hidden (view full) --- 92 EndBitUnion(WatchdogCtrl) 93 94 protected: 95 std::string _name; 96 97 /** Pointer to parent class */ 98 CpuLocalTimer *parent; 99 |
99 /** Number of interrupt to cause/clear */ 100 uint32_t intNumTimer; 101 uint32_t intNumWatchdog; | 100 /** Interrupt to cause/clear */ 101 ArmInterruptPin *intTimer; 102 ArmInterruptPin *intWatchdog; |
102 | 103 |
103 /** Cpu this timer is attached to */ 104 uint32_t cpuNum; 105 | |
106 /** Control register as specified above */ 107 TimerCtrl timerControl; 108 WatchdogCtrl watchdogControl; 109 110 /** If timer has caused an interrupt. This is irrespective of 111 * interrupt enable */ 112 bool rawIntTimer; 113 bool rawIntWatchdog; --- 16 unchanged lines hidden (view full) --- 130 void watchdogAtZero(); 131 EventFunctionWrapper watchdogZeroEvent; 132 public: 133 /** Restart the counter ticking at val 134 * @param val the value to start at */ 135 void restartTimerCounter(uint32_t val); 136 void restartWatchdogCounter(uint32_t val); 137 | 104 /** Control register as specified above */ 105 TimerCtrl timerControl; 106 WatchdogCtrl watchdogControl; 107 108 /** If timer has caused an interrupt. This is irrespective of 109 * interrupt enable */ 110 bool rawIntTimer; 111 bool rawIntWatchdog; --- 16 unchanged lines hidden (view full) --- 128 void watchdogAtZero(); 129 EventFunctionWrapper watchdogZeroEvent; 130 public: 131 /** Restart the counter ticking at val 132 * @param val the value to start at */ 133 void restartTimerCounter(uint32_t val); 134 void restartWatchdogCounter(uint32_t val); 135 |
138 Timer(); | 136 Timer(const std::string &name, 137 CpuLocalTimer* _parent, 138 ArmInterruptPin* int_timer, 139 ArmInterruptPin* int_watchdog); |
139 140 std::string name() const { return _name; } 141 142 /** Handle read for a single timer */ 143 void read(PacketPtr pkt, Addr daddr); 144 145 /** Handle write for a single timer */ 146 void write(PacketPtr pkt, Addr daddr); 147 148 void serialize(CheckpointOut &cp) const override; 149 void unserialize(CheckpointIn &cp) override; 150 151 friend class CpuLocalTimer; 152 }; 153 | 140 141 std::string name() const { return _name; } 142 143 /** Handle read for a single timer */ 144 void read(PacketPtr pkt, Addr daddr); 145 146 /** Handle write for a single timer */ 147 void write(PacketPtr pkt, Addr daddr); 148 149 void serialize(CheckpointOut &cp) const override; 150 void unserialize(CheckpointIn &cp) override; 151 152 friend class CpuLocalTimer; 153 }; 154 |
154 static const int CPU_MAX = 8; 155 | |
156 /** Pointer to the GIC for causing an interrupt */ 157 BaseGic *gic; 158 159 /** Timers that do the actual work */ | 155 /** Pointer to the GIC for causing an interrupt */ 156 BaseGic *gic; 157 158 /** Timers that do the actual work */ |
160 Timer localTimer[CPU_MAX]; | 159 std::vector<std::unique_ptr<Timer>> localTimer; |
161 162 public: 163 typedef CpuLocalTimerParams Params; 164 const Params * 165 params() const 166 { 167 return dynamic_cast<const Params *>(_params); 168 } 169 /** 170 * The constructor for RealView just registers itself with the MMU. 171 * @param p params structure 172 */ 173 CpuLocalTimer(Params *p); 174 | 160 161 public: 162 typedef CpuLocalTimerParams Params; 163 const Params * 164 params() const 165 { 166 return dynamic_cast<const Params *>(_params); 167 } 168 /** 169 * The constructor for RealView just registers itself with the MMU. 170 * @param p params structure 171 */ 172 CpuLocalTimer(Params *p); 173 |
174 /** Inits the local timers */ 175 void init() override; 176 |
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175 /** 176 * Handle a read to the device 177 * @param pkt The memory request. 178 * @return Returns latency of device read 179 */ 180 Tick read(PacketPtr pkt) override; 181 182 /** --- 13 unchanged lines hidden --- | 177 /** 178 * Handle a read to the device 179 * @param pkt The memory request. 180 * @return Returns latency of device read 181 */ 182 Tick read(PacketPtr pkt) override; 183 184 /** --- 13 unchanged lines hidden --- |