diff options
| -rw-r--r-- | src/core/hle/service/time/clock_types.h | 12 | ||||
| -rw-r--r-- | src/core/hle/service/time/time_sharedmemory.cpp | 19 | ||||
| -rw-r--r-- | src/core/hle/service/time/time_sharedmemory.h | 5 |
3 files changed, 34 insertions, 2 deletions
diff --git a/src/core/hle/service/time/clock_types.h b/src/core/hle/service/time/clock_types.h index ed1eb5b2d..e6293ffb9 100644 --- a/src/core/hle/service/time/clock_types.h +++ b/src/core/hle/service/time/clock_types.h @@ -59,6 +59,18 @@ static_assert(sizeof(SystemClockContext) == 0x20, "SystemClockContext is incorre static_assert(std::is_trivially_copyable_v<SystemClockContext>, "SystemClockContext must be trivially copyable"); +struct ContinuousAdjustmentTimePoint { + s64 measurement_offset; + s64 diff_scale; + u32 shift_amount; + s64 lower; + s64 upper; + Common::UUID clock_source_id; +}; +static_assert(sizeof(ContinuousAdjustmentTimePoint) == 0x38); +static_assert(std::is_trivially_copyable_v<ContinuousAdjustmentTimePoint>, + "ContinuousAdjustmentTimePoint must be trivially copyable"); + /// https://switchbrew.org/wiki/Glue_services#TimeSpanType struct TimeSpanType { s64 nanoseconds{}; diff --git a/src/core/hle/service/time/time_sharedmemory.cpp b/src/core/hle/service/time/time_sharedmemory.cpp index ff53a7d6f..ce1c85bcc 100644 --- a/src/core/hle/service/time/time_sharedmemory.cpp +++ b/src/core/hle/service/time/time_sharedmemory.cpp @@ -30,6 +30,25 @@ void SharedMemory::SetupStandardSteadyClock(const Common::UUID& clock_source_id, } void SharedMemory::UpdateLocalSystemClockContext(const Clock::SystemClockContext& context) { + // lower and upper are related to the measurement point for the steady time point, + // and compare equal on boot + const s64 time_point_ns = context.steady_time_point.time_point * 1'000'000'000LL; + + // This adjusts for some sort of time skew + // Both 0 on boot + const s64 diff_scale = 0; + const u32 shift_amount = 0; + + const Clock::ContinuousAdjustmentTimePoint adjustment{ + .measurement_offset = system.CoreTiming().GetGlobalTimeNs().count(), + .diff_scale = diff_scale, + .shift_amount = shift_amount, + .lower = time_point_ns, + .upper = time_point_ns, + .clock_source_id = context.steady_time_point.clock_source_id, + }; + + StoreToLockFreeAtomicType(&GetFormat()->continuous_adjustment_timepoint, adjustment); StoreToLockFreeAtomicType(&GetFormat()->standard_local_system_clock_context, context); } diff --git a/src/core/hle/service/time/time_sharedmemory.h b/src/core/hle/service/time/time_sharedmemory.h index 044a4d24e..c89be9765 100644 --- a/src/core/hle/service/time/time_sharedmemory.h +++ b/src/core/hle/service/time/time_sharedmemory.h @@ -65,14 +65,15 @@ public: LockFreeAtomicType<Clock::SystemClockContext> standard_local_system_clock_context; LockFreeAtomicType<Clock::SystemClockContext> standard_network_system_clock_context; LockFreeAtomicType<bool> is_standard_user_system_clock_automatic_correction_enabled; - u32 format_version; + LockFreeAtomicType<Clock::ContinuousAdjustmentTimePoint> continuous_adjustment_timepoint; }; static_assert(offsetof(Format, standard_steady_clock_timepoint) == 0x0); static_assert(offsetof(Format, standard_local_system_clock_context) == 0x38); static_assert(offsetof(Format, standard_network_system_clock_context) == 0x80); static_assert(offsetof(Format, is_standard_user_system_clock_automatic_correction_enabled) == 0xc8); - static_assert(sizeof(Format) == 0xd8, "Format is an invalid size"); + static_assert(offsetof(Format, continuous_adjustment_timepoint) == 0xd0); + static_assert(sizeof(Format) == 0x148, "Format is an invalid size"); void SetupStandardSteadyClock(const Common::UUID& clock_source_id, Clock::TimeSpanType current_time_point); |