src/sim/clocked_object.hh

69     // the tick value of the next clock edge (>= curTick()) at the
71     mutable Tick tick;
74     // 'tick'
78      *  Align cycle and tick to the next clock edge if not already done. When
79      *  complete, tick must be at least curTick().
84         // both tick and cycle are up-to-date and we are done, note
85         // that the >= is important as it captures cases where tick
87         if (tick >= curTick())
90         // optimise for the common case and see if the tick should be
92         tick += clockPeriod();
96         if (tick >= curTick())
99         // if not, we have to recalculate the cycle and tick, we
102         Cycles elapsedCycles(divCeil(curTick() - tick, clockPeriod()));
104         tick += elapsedCycles * clockPeriod();
119         : tick(0), cycle(0), clockDomain(clk_domain)
122         // frequency changes, we can update this object's tick.
135      * Reset the object's clock using the current global tick value. Likely
144         tick = elapsedCycles * clockPeriod();
156      * Update the tick to the current tick.
166      * Determine the tick when a cycle begins, by default the current one, but
175      * @return The start tick when the requested clock edge occurs. Precisely,
176      * this tick can be
182         // align tick to the next clock edge
186         return tick + clockPeriod() * cycles;
190      * Determine the current cycle, corresponding to a tick aligned to
207      * Based on the clock of the object, determine the start tick of the first
212      * @return The start tick of the first cycle that is at least one cycle in
213      * the future. Precisely, the returned tick can be in the range
267      * tick once all stats are recorded.