diff options
Diffstat (limited to 'src/core/hle/service/psc/time/common.h')
-rw-r--r-- | src/core/hle/service/psc/time/common.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/core/hle/service/psc/time/common.h b/src/core/hle/service/psc/time/common.h new file mode 100644 index 000000000..d17b31143 --- /dev/null +++ b/src/core/hle/service/psc/time/common.h @@ -0,0 +1,168 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include <array> +#include <chrono> + +#include "common/common_types.h" +#include "common/intrusive_list.h" +#include "common/uuid.h" +#include "common/wall_clock.h" +#include "core/hle/kernel/k_event.h" +#include "core/hle/service/kernel_helpers.h" +#include "core/hle/service/psc/time/errors.h" + +namespace Core { +class System; +} + +namespace Service::PSC::Time { +using ClockSourceId = Common::UUID; + +struct SteadyClockTimePoint { + constexpr bool IdMatches(SteadyClockTimePoint& other) { + return clock_source_id == other.clock_source_id; + } + bool operator==(const SteadyClockTimePoint& other) const = default; + + s64 time_point; + ClockSourceId clock_source_id; +}; +static_assert(sizeof(SteadyClockTimePoint) == 0x18, "SteadyClockTimePoint has the wrong size!"); +static_assert(std::is_trivial_v<ClockSourceId>); + +struct SystemClockContext { + bool operator==(const SystemClockContext& other) const = default; + + s64 offset; + SteadyClockTimePoint steady_time_point; +}; +static_assert(sizeof(SystemClockContext) == 0x20, "SystemClockContext has the wrong size!"); +static_assert(std::is_trivial_v<SystemClockContext>); + +enum class TimeType : u8 { + UserSystemClock, + NetworkSystemClock, + LocalSystemClock, +}; + +struct CalendarTime { + s16 year; + s8 month; + s8 day; + s8 hour; + s8 minute; + s8 second; +}; +static_assert(sizeof(CalendarTime) == 0x8, "CalendarTime has the wrong size!"); + +struct CalendarAdditionalInfo { + s32 day_of_week; + s32 day_of_year; + std::array<char, 8> name; + s32 is_dst; + s32 ut_offset; +}; +static_assert(sizeof(CalendarAdditionalInfo) == 0x18, "CalendarAdditionalInfo has the wrong size!"); + +struct LocationName { + std::array<char, 36> name; +}; +static_assert(sizeof(LocationName) == 0x24, "LocationName has the wrong size!"); + +struct RuleVersion { + std::array<char, 16> version; +}; +static_assert(sizeof(RuleVersion) == 0x10, "RuleVersion has the wrong size!"); + +struct ClockSnapshot { + SystemClockContext user_context; + SystemClockContext network_context; + s64 user_time; + s64 network_time; + CalendarTime user_calendar_time; + CalendarTime network_calendar_time; + CalendarAdditionalInfo user_calendar_additional_time; + CalendarAdditionalInfo network_calendar_additional_time; + SteadyClockTimePoint steady_clock_time_point; + LocationName location_name; + bool is_automatic_correction_enabled; + TimeType type; + u16 unk_CE; +}; +static_assert(sizeof(ClockSnapshot) == 0xD0, "ClockSnapshot has the wrong size!"); +static_assert(std::is_trivial_v<ClockSnapshot>); + +struct ContinuousAdjustmentTimePoint { + s64 rtc_offset; + s64 diff_scale; + s64 shift_amount; + s64 lower; + s64 upper; + ClockSourceId clock_source_id; +}; +static_assert(sizeof(ContinuousAdjustmentTimePoint) == 0x38, + "ContinuousAdjustmentTimePoint has the wrong size!"); +static_assert(std::is_trivial_v<ContinuousAdjustmentTimePoint>); + +struct AlarmInfo { + s64 alert_time; + u32 priority; +}; +static_assert(sizeof(AlarmInfo) == 0x10, "AlarmInfo has the wrong size!"); + +struct StaticServiceSetupInfo { + bool can_write_local_clock; + bool can_write_user_clock; + bool can_write_network_clock; + bool can_write_timezone_device_location; + bool can_write_steady_clock; + bool can_write_uninitialized_clock; +}; +static_assert(sizeof(StaticServiceSetupInfo) == 0x6, "StaticServiceSetupInfo has the wrong size!"); + +struct OperationEvent : public Common::IntrusiveListBaseNode<OperationEvent> { + using OperationEventList = Common::IntrusiveListBaseTraits<OperationEvent>::ListType; + + OperationEvent(Core::System& system); + ~OperationEvent(); + + KernelHelpers::ServiceContext m_ctx; + Kernel::KEvent* m_event{}; +}; + +constexpr inline std::chrono::nanoseconds ConvertToTimeSpan(s64 ticks) { + constexpr auto one_second_ns{ + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(1)).count()}; + + constexpr s64 max{Common::WallClock::CNTFRQ * + (std::numeric_limits<s64>::max() / one_second_ns)}; + + if (ticks > max) { + return std::chrono::nanoseconds(std::numeric_limits<s64>::max()); + } else if (ticks < -max) { + return std::chrono::nanoseconds(std::numeric_limits<s64>::min()); + } + + auto a{ticks / Common::WallClock::CNTFRQ * one_second_ns}; + auto b{((ticks % Common::WallClock::CNTFRQ) * one_second_ns) / Common::WallClock::CNTFRQ}; + + return std::chrono::nanoseconds(a + b); +} + +constexpr inline Result GetSpanBetweenTimePoints(s64* out_seconds, SteadyClockTimePoint& a, + SteadyClockTimePoint& b) { + R_UNLESS(out_seconds, ResultInvalidArgument); + R_UNLESS(a.IdMatches(b), ResultInvalidArgument); + R_UNLESS(a.time_point >= 0 || b.time_point <= a.time_point + std::numeric_limits<s64>::max(), + ResultOverflow); + R_UNLESS(a.time_point < 0 || b.time_point >= a.time_point + std::numeric_limits<s64>::min(), + ResultOverflow); + + *out_seconds = b.time_point - a.time_point; + R_SUCCEED(); +} + +} // namespace Service::PSC::Time |