1 files changed, 10 insertions, 28 deletions

diff --git a/src/core/core_timing.cpp b/src/core/core_timing.cpp
index 6738a0d73d..3e4e7bdc68 100644
--- a/src/core/core_timing.cpp
+++ b/src/core/core_timing.cpp
@@ -8,15 +8,13 @@
 #include <mutex>
 #include <string>
 #include <tuple>
+#include "common/cpu_features.h"
+#include "common/cpu_features.h"
 
 #ifdef _WIN32
 #include "common/windows/timer_resolution.h"
 #endif
 
-#ifdef ARCHITECTURE_x86_64
-#include "common/x64/cpu_wait.h"
-#endif
-
 #include "common/settings.h"
 #include "core/core_timing.h"
 #include "core/hardware_properties.h"
@@ -47,8 +45,7 @@ struct CoreTiming::Event {
     }
 };
 
-CoreTiming::CoreTiming() : clock{Common::CreateOptimalClock()} {}
-
+CoreTiming::CoreTiming() = default;
 CoreTiming::~CoreTiming() {
     Reset();
 }
@@ -64,31 +61,16 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
             Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
             on_thread_init();
             has_started = true;
+
+            // base frequency in MHz: 1ns (10^-9) = 1GHz (10^9)
             while (!stop_token.stop_requested()) {
                 while (!paused && !stop_token.stop_requested()) {
                     paused_set = false;
                     if (auto const next_time = Advance(); next_time) {
                         // There are more events left in the queue, wait until the next event.
-                        auto wait_time = *next_time - GetGlobalTimeNs().count();
+                        auto const wait_time = *next_time - GetGlobalTimeNs().count();
                         if (wait_time > 0) {
-#ifdef _WIN32
-                            while (!paused && !event.IsSet() && wait_time > 0) {
-                                wait_time = *next_time - GetGlobalTimeNs().count();
-                                if (wait_time >= timer_resolution_ns) {
-                                    Common::Windows::SleepForOneTick();
-                                } else {
-#ifdef ARCHITECTURE_x86_64
-                                    Common::X64::MicroSleep();
-#else
-                                    std::this_thread::yield();
-#endif
-                                }
-                            }
-                            if (event.IsSet())
-                                event.Reset();
-#else
                             event.WaitFor(std::chrono::nanoseconds(wait_time));
-#endif
                         }
                     } else {
                         // Queue is empty, wait until another event is scheduled and signals us to
@@ -226,7 +208,7 @@ void CoreTiming::ResetTicks() {
 }
 
 u64 CoreTiming::GetClockTicks() const {
-    u64 fres = is_multicore ? clock.GetCNTPCT() : Common::WallClock::CPUTickToCNTPCT(cpu_ticks);
+    u64 fres = is_multicore ? Common::g_wall_clock.GetCNTPCT() : Common::WallClock::CPUTickToCNTPCT(cpu_ticks);
     if (auto const overclock = Settings::values.fast_cpu_time.GetValue(); overclock != Settings::CpuClock::Off) {
         fres = u64(f64(fres) * (1.7 + 0.3 * u32(overclock)));
     }
@@ -240,7 +222,7 @@ u64 CoreTiming::GetClockTicks() const {
 
 u64 CoreTiming::GetGPUTicks() const {
     return is_multicore
-        ? clock.GetGPUTick()
+        ? Common::g_wall_clock.GetGPUTick()
         : Common::WallClock::CPUTickToGPUTick(cpu_ticks);
 }
 
@@ -317,14 +299,14 @@ void CoreTiming::Reset() {
 /// @brief Returns current time in nanoseconds.
 std::chrono::nanoseconds CoreTiming::GetGlobalTimeNs() const noexcept {
     return is_multicore
-        ? clock.GetTimeNS()
+        ? Common::g_wall_clock.GetTimeNS()
         : std::chrono::nanoseconds{Common::WallClock::CPUTickToNS(cpu_ticks)};
 }
 
 /// @brief Returns current time in microseconds.
 std::chrono::microseconds CoreTiming::GetGlobalTimeUs() const noexcept {
     return is_multicore
-        ? clock.GetTimeUS()
+        ? Common::g_wall_clock.GetTimeUS()
         : std::chrono::microseconds{Common::WallClock::CPUTickToUS(cpu_ticks)};
 }