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40 #ifndef __DEV_ARM_RTC_PL310_HH__
41 #define __DEV_ARM_RTC_PL310_HH__
43 #include "dev/arm/amba_device.hh"
44 #include "params/PL031.hh"
47 * This implements the ARM Primecell 031 RTC
50 class PL031 : public AmbaIntDevice
64 /* Seconds since epoch that correspond to time simulation was started at the
65 * begining of simulation and is then updated if ever written. */
68 /* Time when the timeVal register was written */
71 /* Previous load value */
75 * Cause an interrupt when this value hits counter
79 /** If timer has caused an interrupt. This is irrespective of
83 /** If the timer interrupt mask that is anded with the raw interrupt to
84 * generate a pending interrupt
88 /** If an interrupt is currently pending. Logical and of CTRL.intEnable
92 /** Called when the counter reaches matches */
94 EventWrapper<PL031, &PL031::counterMatch> matchEvent;
96 /** Called to update the matchEvent when the load Value or match value are
102 typedef PL031Params Params;
106 return dynamic_cast<const Params *>(_params);
109 * The constructor for RealView just registers itself with the MMU.
110 * @param p params structure
115 * Handle a read to the device
116 * @param pkt The memory request.
117 * @param data Where to put the data.
119 Tick read(PacketPtr pkt) override;
122 * Handle writes to the device
123 * @param pkt The memory request.
124 * @param data the data
126 Tick write(PacketPtr pkt) override;
128 void serialize(CheckpointOut &cp) const override;
129 void unserialize(CheckpointIn &cp) override;
133 #endif // __DEV_ARM_RTC_PL031_HH__