diff options
Diffstat (limited to 'src/common/x64')
| -rw-r--r-- | src/common/x64/native_clock.cpp | 5 | ||||
| -rw-r--r-- | src/common/x64/native_clock.h | 6 |
2 files changed, 3 insertions, 8 deletions
diff --git a/src/common/x64/native_clock.cpp b/src/common/x64/native_clock.cpp index 1b7194503..6aaa8cdf9 100644 --- a/src/common/x64/native_clock.cpp +++ b/src/common/x64/native_clock.cpp | |||
| @@ -75,8 +75,8 @@ NativeClock::NativeClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequen | |||
| 75 | } | 75 | } |
| 76 | 76 | ||
| 77 | u64 NativeClock::GetRTSC() { | 77 | u64 NativeClock::GetRTSC() { |
| 78 | TimePoint new_time_point{}; | ||
| 79 | TimePoint current_time_point{}; | 78 | TimePoint current_time_point{}; |
| 79 | TimePoint new_time_point{}; | ||
| 80 | 80 | ||
| 81 | current_time_point.pack = Common::AtomicLoad128(time_point.pack.data()); | 81 | current_time_point.pack = Common::AtomicLoad128(time_point.pack.data()); |
| 82 | do { | 82 | do { |
| @@ -89,8 +89,7 @@ u64 NativeClock::GetRTSC() { | |||
| 89 | new_time_point.inner.accumulated_ticks = current_time_point.inner.accumulated_ticks + diff; | 89 | new_time_point.inner.accumulated_ticks = current_time_point.inner.accumulated_ticks + diff; |
| 90 | } while (!Common::AtomicCompareAndSwap(time_point.pack.data(), new_time_point.pack, | 90 | } while (!Common::AtomicCompareAndSwap(time_point.pack.data(), new_time_point.pack, |
| 91 | current_time_point.pack, current_time_point.pack)); | 91 | current_time_point.pack, current_time_point.pack)); |
| 92 | /// The clock cannot be more precise than the guest timer, remove the lower bits | 92 | return new_time_point.inner.accumulated_ticks; |
| 93 | return new_time_point.inner.accumulated_ticks & inaccuracy_mask; | ||
| 94 | } | 93 | } |
| 95 | 94 | ||
| 96 | void NativeClock::Pause(bool is_paused) { | 95 | void NativeClock::Pause(bool is_paused) { |
diff --git a/src/common/x64/native_clock.h b/src/common/x64/native_clock.h index 30d2ba2e9..38ae7a462 100644 --- a/src/common/x64/native_clock.h +++ b/src/common/x64/native_clock.h | |||
| @@ -37,12 +37,8 @@ private: | |||
| 37 | } inner; | 37 | } inner; |
| 38 | }; | 38 | }; |
| 39 | 39 | ||
| 40 | /// value used to reduce the native clocks accuracy as some apss rely on | ||
| 41 | /// undefined behavior where the level of accuracy in the clock shouldn't | ||
| 42 | /// be higher. | ||
| 43 | static constexpr u64 inaccuracy_mask = ~(UINT64_C(0x400) - 1); | ||
| 44 | |||
| 45 | TimePoint time_point; | 40 | TimePoint time_point; |
| 41 | |||
| 46 | // factors | 42 | // factors |
| 47 | u64 clock_rtsc_factor{}; | 43 | u64 clock_rtsc_factor{}; |
| 48 | u64 cpu_rtsc_factor{}; | 44 | u64 cpu_rtsc_factor{}; |