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author | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-04-23 06:09:49 +0200 |
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committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-06-08 03:44:42 +0200 |
commit | 9dcc7bde8bb05dbc62fa196bcbe1484762e66917 (patch) | |
tree | 0fe9233f208999ec2ac64b38afb96a3ae21661b3 /src/core/hle/service/time | |
parent | core_timing: Use CNTPCT as the guest CPU tick (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/time/clock_types.h | 13 | ||||
-rw-r--r-- | src/core/hle/service/time/standard_steady_clock_core.cpp | 2 | ||||
-rw-r--r-- | src/core/hle/service/time/tick_based_steady_clock_core.cpp | 2 | ||||
-rw-r--r-- | src/core/hle/service/time/time.cpp | 4 | ||||
-rw-r--r-- | src/core/hle/service/time/time_sharedmemory.cpp | 5 |
5 files changed, 15 insertions, 11 deletions
diff --git a/src/core/hle/service/time/clock_types.h b/src/core/hle/service/time/clock_types.h index e6293ffb9..9fc01ea90 100644 --- a/src/core/hle/service/time/clock_types.h +++ b/src/core/hle/service/time/clock_types.h @@ -3,6 +3,8 @@ #pragma once +#include <ratio> + #include "common/common_funcs.h" #include "common/common_types.h" #include "common/uuid.h" @@ -74,18 +76,19 @@ static_assert(std::is_trivially_copyable_v<ContinuousAdjustmentTimePoint>, /// https://switchbrew.org/wiki/Glue_services#TimeSpanType struct TimeSpanType { s64 nanoseconds{}; - static constexpr s64 ns_per_second{1000000000ULL}; s64 ToSeconds() const { - return nanoseconds / ns_per_second; + return nanoseconds / std::nano::den; } static TimeSpanType FromSeconds(s64 seconds) { - return {seconds * ns_per_second}; + return {seconds * std::nano::den}; } - static TimeSpanType FromTicks(u64 ticks, u64 frequency) { - return FromSeconds(static_cast<s64>(ticks) / static_cast<s64>(frequency)); + template <u64 Frequency> + static TimeSpanType FromTicks(u64 ticks) { + using TicksToNSRatio = std::ratio<std::nano::den, Frequency>; + return {static_cast<s64>(ticks * TicksToNSRatio::num / TicksToNSRatio::den)}; } }; static_assert(sizeof(TimeSpanType) == 8, "TimeSpanType is incorrect size"); diff --git a/src/core/hle/service/time/standard_steady_clock_core.cpp b/src/core/hle/service/time/standard_steady_clock_core.cpp index 3dbbb9850..5627b7003 100644 --- a/src/core/hle/service/time/standard_steady_clock_core.cpp +++ b/src/core/hle/service/time/standard_steady_clock_core.cpp @@ -10,7 +10,7 @@ namespace Service::Time::Clock { TimeSpanType StandardSteadyClockCore::GetCurrentRawTimePoint(Core::System& system) { const TimeSpanType ticks_time_span{ - TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(), Core::Hardware::CNTFREQ)}; + TimeSpanType::FromTicks<Core::Hardware::CNTFREQ>(system.CoreTiming().GetClockTicks())}; TimeSpanType raw_time_point{setup_value.nanoseconds + ticks_time_span.nanoseconds}; if (raw_time_point.nanoseconds < cached_raw_time_point.nanoseconds) { diff --git a/src/core/hle/service/time/tick_based_steady_clock_core.cpp b/src/core/hle/service/time/tick_based_steady_clock_core.cpp index 27600413e..0d9fb3143 100644 --- a/src/core/hle/service/time/tick_based_steady_clock_core.cpp +++ b/src/core/hle/service/time/tick_based_steady_clock_core.cpp @@ -10,7 +10,7 @@ namespace Service::Time::Clock { SteadyClockTimePoint TickBasedSteadyClockCore::GetTimePoint(Core::System& system) { const TimeSpanType ticks_time_span{ - TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(), Core::Hardware::CNTFREQ)}; + TimeSpanType::FromTicks<Core::Hardware::CNTFREQ>(system.CoreTiming().GetClockTicks())}; return {ticks_time_span.ToSeconds(), GetClockSourceId()}; } diff --git a/src/core/hle/service/time/time.cpp b/src/core/hle/service/time/time.cpp index 868be60c5..7197ca30f 100644 --- a/src/core/hle/service/time/time.cpp +++ b/src/core/hle/service/time/time.cpp @@ -240,8 +240,8 @@ void Module::Interface::CalculateMonotonicSystemClockBaseTimePoint(HLERequestCon const auto current_time_point{steady_clock_core.GetCurrentTimePoint(system)}; if (current_time_point.clock_source_id == context.steady_time_point.clock_source_id) { - const auto ticks{Clock::TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(), - Core::Hardware::CNTFREQ)}; + const auto ticks{Clock::TimeSpanType::FromTicks<Core::Hardware::CNTFREQ>( + system.CoreTiming().GetClockTicks())}; const s64 base_time_point{context.offset + current_time_point.time_point - ticks.ToSeconds()}; IPC::ResponseBuilder rb{ctx, (sizeof(s64) / 4) + 2}; diff --git a/src/core/hle/service/time/time_sharedmemory.cpp b/src/core/hle/service/time/time_sharedmemory.cpp index ce1c85bcc..a00676669 100644 --- a/src/core/hle/service/time/time_sharedmemory.cpp +++ b/src/core/hle/service/time/time_sharedmemory.cpp @@ -21,8 +21,9 @@ SharedMemory::~SharedMemory() = default; void SharedMemory::SetupStandardSteadyClock(const Common::UUID& clock_source_id, Clock::TimeSpanType current_time_point) { - const Clock::TimeSpanType ticks_time_span{Clock::TimeSpanType::FromTicks( - system.CoreTiming().GetClockTicks(), Core::Hardware::CNTFREQ)}; + const Clock::TimeSpanType ticks_time_span{ + Clock::TimeSpanType::FromTicks<Core::Hardware::CNTFREQ>( + system.CoreTiming().GetClockTicks())}; const Clock::SteadyClockContext context{ static_cast<u64>(current_time_point.nanoseconds - ticks_time_span.nanoseconds), clock_source_id}; |