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-rw-r--r--src/common/wall_clock.cpp15
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>;
20class StandardWallClock final : public WallClock { 20class StandardWallClock final : public WallClock {
21public: 21public:
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
59private: 62private:
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