diff options
Diffstat (limited to 'src/common/wall_clock.cpp')
| -rw-r--r-- | src/common/wall_clock.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/common/wall_clock.cpp b/src/common/wall_clock.cpp index 1545993bd..49830b8ab 100644 --- a/src/common/wall_clock.cpp +++ b/src/common/wall_clock.cpp | |||
| @@ -20,9 +20,7 @@ using base_time_point = std::chrono::time_point<base_timer>; | |||
| 20 | class StandardWallClock final : public WallClock { | 20 | class StandardWallClock final : public WallClock { |
| 21 | public: | 21 | public: |
| 22 | explicit StandardWallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_) | 22 | explicit StandardWallClock(u64 emulated_cpu_frequency_, u64 emulated_clock_frequency_) |
| 23 | : WallClock(emulated_cpu_frequency_, emulated_clock_frequency_, false), | 23 | : WallClock(emulated_cpu_frequency_, emulated_clock_frequency_, false) { |
| 24 | emulated_clock_factor{GetFixedPoint64Factor(emulated_clock_frequency, 1000000000)}, | ||
| 25 | emulated_cpu_factor{GetFixedPoint64Factor(emulated_cpu_frequency, 1000000000)} { | ||
| 26 | start_time = base_timer::now(); | 24 | start_time = base_timer::now(); |
| 27 | } | 25 | } |
| 28 | 26 | ||
| @@ -45,11 +43,16 @@ public: | |||
| 45 | } | 43 | } |
| 46 | 44 | ||
| 47 | u64 GetClockCycles() override { | 45 | u64 GetClockCycles() override { |
| 48 | return MultiplyHigh(GetTimeNS().count(), emulated_clock_factor); | 46 | std::chrono::nanoseconds time_now = GetTimeNS(); |
| 47 | const u128 temporary = | ||
| 48 | Common::Multiply64Into128(time_now.count(), emulated_clock_frequency); | ||
| 49 | return Common::Divide128On32(temporary, 1000000000).first; | ||
| 49 | } | 50 | } |
| 50 | 51 | ||
| 51 | u64 GetCPUCycles() override { | 52 | u64 GetCPUCycles() override { |
| 52 | return MultiplyHigh(GetTimeNS().count(), emulated_cpu_factor); | 53 | std::chrono::nanoseconds time_now = GetTimeNS(); |
| 54 | const u128 temporary = Common::Multiply64Into128(time_now.count(), emulated_cpu_frequency); | ||
| 55 | return Common::Divide128On32(temporary, 1000000000).first; | ||
| 53 | } | 56 | } |
| 54 | 57 | ||
| 55 | void Pause([[maybe_unused]] bool is_paused) override { | 58 | void Pause([[maybe_unused]] bool is_paused) override { |
| @@ -58,8 +61,6 @@ public: | |||
| 58 | 61 | ||
| 59 | private: | 62 | private: |
| 60 | base_time_point start_time; | 63 | base_time_point start_time; |
| 61 | const u64 emulated_clock_factor; | ||
| 62 | const u64 emulated_cpu_factor; | ||
| 63 | }; | 64 | }; |
| 64 | 65 | ||
| 65 | #ifdef ARCHITECTURE_x86_64 | 66 | #ifdef ARCHITECTURE_x86_64 |