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Native Clock: remove inaccuracy mask.
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@ -90,7 +90,7 @@ u64 NativeClock::GetRTSC() {
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} while (!time_point.compare_exchange_weak(
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} while (!time_point.compare_exchange_weak(
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current_time_point, new_time_point, std::memory_order_release, std::memory_order_acquire));
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current_time_point, new_time_point, std::memory_order_release, std::memory_order_acquire));
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/// The clock cannot be more precise than the guest timer, remove the lower bits
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/// The clock cannot be more precise than the guest timer, remove the lower bits
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return new_time_point.accumulated_ticks & inaccuracy_mask;
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return new_time_point.accumulated_ticks;
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}
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}
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void NativeClock::Pause(bool is_paused) {
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void NativeClock::Pause(bool is_paused) {
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@ -34,11 +34,6 @@ private:
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u64 accumulated_ticks{};
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u64 accumulated_ticks{};
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};
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};
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/// value used to reduce the native clocks accuracy as some apss rely on
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/// undefined behavior where the level of accuracy in the clock shouldn't
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/// be higher.
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static constexpr u64 inaccuracy_mask = ~(UINT64_C(0x400) - 1);
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std::atomic<TimePoint> time_point;
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std::atomic<TimePoint> time_point;
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// factors
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// factors
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u64 clock_rtsc_factor{};
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u64 clock_rtsc_factor{};
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