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-rw-r--r--src/common/x64/native_clock.h56
1 files changed, 17 insertions, 39 deletions
diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h
index 03ca291d8..d6f8626c1 100644
--- a/src/common/x64/native_clock.h
+++ b/src/common/x64/native_clock.h
@@ -3,58 +3,36 @@
#pragma once
-#include "common/polyfill_thread.h"
#include "common/wall_clock.h"
-namespace Common {
+namespace Common::X64 {
-namespace X64 {
class NativeClock final : public WallClock {
public:
- explicit NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_,
- u64 rtsc_frequency_);
+ explicit NativeClock(u64 rdtsc_frequency_);
- std::chrono::nanoseconds GetTimeNS() override;
+ std::chrono::nanoseconds GetTimeNS() const override;
- std::chrono::microseconds GetTimeUS() override;
+ std::chrono::microseconds GetTimeUS() const override;
- std::chrono::milliseconds GetTimeMS() override;
+ std::chrono::milliseconds GetTimeMS() const override;
- u64 GetClockCycles() override;
+ u64 GetCNTPCT() const override;
- u64 GetCPUCycles() override;
+ u64 GetHostTicksNow() const override;
- void Pause(bool is_paused) override;
+ u64 GetHostTicksElapsed() const override;
-private:
- u64 GetRTSC();
-
- void CalculateAndSetFactors();
-
- union alignas(16) TimePoint {
- TimePoint() : pack{} {}
- u128 pack{};
- struct Inner {
- u64 last_measure{};
- u64 accumulated_ticks{};
- } inner;
- };
-
- TimePoint time_point;
+ bool IsNative() const override;
- // factors
- u64 clock_rtsc_factor{};
- u64 cpu_rtsc_factor{};
- u64 ns_rtsc_factor{};
- u64 us_rtsc_factor{};
- u64 ms_rtsc_factor{};
-
- u64 rtsc_frequency;
+private:
+ u64 start_ticks;
+ u64 rdtsc_frequency;
- std::jthread time_sync_thread;
+ u64 ns_rdtsc_factor;
+ u64 us_rdtsc_factor;
+ u64 ms_rdtsc_factor;
+ u64 cntpct_rdtsc_factor;
};
-} // namespace X64
-
-u64 EstimateRDTSCFrequency();
-} // namespace Common
+} // namespace Common::X64