// Copyright 2008 Dolphin Emulator Project / 2017 Citra Emulator Project // Licensed under GPLv2+ // Refer to the license.txt file included. #pragma once #include <chrono> #include "common/common_types.h" namespace Core::Timing { // The below clock rate is based on Switch's clockspeed being widely known as 1.020GHz // The exact value used is of course unverified. constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch clock speed is 1020MHz un/docked constexpr u64 CNTFREQ = 19200000; // Value from fusee. s64 msToCycles(std::chrono::milliseconds ms); s64 usToCycles(std::chrono::microseconds us); s64 nsToCycles(std::chrono::nanoseconds ns); inline std::chrono::milliseconds cyclesToMs(s64 cycles) { return std::chrono::milliseconds(cycles * 1000 / BASE_CLOCK_RATE); } inline std::chrono::nanoseconds cyclesToNs(s64 cycles) { return std::chrono::nanoseconds(cycles * 1000000000 / BASE_CLOCK_RATE); } inline std::chrono::microseconds cyclesToUs(s64 cycles) { return std::chrono::microseconds(cycles * 1000000 / BASE_CLOCK_RATE); } u64 CpuCyclesToClockCycles(u64 ticks); } // namespace Core::Timing