diff options
Diffstat (limited to 'src/core/core_timing_util.cpp')
| -rw-r--r-- | src/core/core_timing_util.cpp | 44 |
1 files changed, 19 insertions, 25 deletions
diff --git a/src/core/core_timing_util.cpp b/src/core/core_timing_util.cpp index 88ff70233..a10472a95 100644 --- a/src/core/core_timing_util.cpp +++ b/src/core/core_timing_util.cpp @@ -7,57 +7,51 @@ #include <cinttypes> #include <limits> #include "common/logging/log.h" +#include "common/uint128.h" namespace Core::Timing { constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE; -s64 usToCycles(s64 us) { - if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) { +s64 msToCycles(std::chrono::milliseconds ms) { + if (static_cast<u64>(ms.count() / 1000) > MAX_VALUE_TO_MULTIPLY) { LOG_ERROR(Core_Timing, "Integer overflow, use max value"); return std::numeric_limits<s64>::max(); } - if (us > MAX_VALUE_TO_MULTIPLY) { + if (static_cast<u64>(ms.count()) > MAX_VALUE_TO_MULTIPLY) { LOG_DEBUG(Core_Timing, "Time very big, do rounding"); - return BASE_CLOCK_RATE * (us / 1000000); + return BASE_CLOCK_RATE * (ms.count() / 1000); } - return (BASE_CLOCK_RATE * us) / 1000000; + return (BASE_CLOCK_RATE * ms.count()) / 1000; } -s64 usToCycles(u64 us) { - if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) { +s64 usToCycles(std::chrono::microseconds us) { + if (static_cast<u64>(us.count() / 1000000) > MAX_VALUE_TO_MULTIPLY) { LOG_ERROR(Core_Timing, "Integer overflow, use max value"); return std::numeric_limits<s64>::max(); } - if (us > MAX_VALUE_TO_MULTIPLY) { + if (static_cast<u64>(us.count()) > MAX_VALUE_TO_MULTIPLY) { LOG_DEBUG(Core_Timing, "Time very big, do rounding"); - return BASE_CLOCK_RATE * static_cast<s64>(us / 1000000); + return BASE_CLOCK_RATE * (us.count() / 1000000); } - return (BASE_CLOCK_RATE * static_cast<s64>(us)) / 1000000; + return (BASE_CLOCK_RATE * us.count()) / 1000000; } -s64 nsToCycles(s64 ns) { - if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) { +s64 nsToCycles(std::chrono::nanoseconds ns) { + if (static_cast<u64>(ns.count() / 1000000000) > MAX_VALUE_TO_MULTIPLY) { LOG_ERROR(Core_Timing, "Integer overflow, use max value"); return std::numeric_limits<s64>::max(); } - if (ns > MAX_VALUE_TO_MULTIPLY) { + if (static_cast<u64>(ns.count()) > MAX_VALUE_TO_MULTIPLY) { LOG_DEBUG(Core_Timing, "Time very big, do rounding"); - return BASE_CLOCK_RATE * (ns / 1000000000); + return BASE_CLOCK_RATE * (ns.count() / 1000000000); } - return (BASE_CLOCK_RATE * ns) / 1000000000; + return (BASE_CLOCK_RATE * ns.count()) / 1000000000; } -s64 nsToCycles(u64 ns) { - if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) { - LOG_ERROR(Core_Timing, "Integer overflow, use max value"); - return std::numeric_limits<s64>::max(); - } - if (ns > MAX_VALUE_TO_MULTIPLY) { - LOG_DEBUG(Core_Timing, "Time very big, do rounding"); - return BASE_CLOCK_RATE * (static_cast<s64>(ns) / 1000000000); - } - return (BASE_CLOCK_RATE * static_cast<s64>(ns)) / 1000000000; +u64 CpuCyclesToClockCycles(u64 ticks) { + const u128 temporal = Common::Multiply64Into128(ticks, CNTFREQ); + return Common::Divide128On32(temporal, static_cast<u32>(BASE_CLOCK_RATE)).first; } } // namespace Core::Timing |