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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/uuid.h"
#include "core/hle/service/time/errors.h"
#include "core/hle/service/time/time_zone_types.h"
namespace Service::Time::Clock {
enum class TimeType : u8 {
UserSystemClock,
NetworkSystemClock,
LocalSystemClock,
};
/// https://switchbrew.org/wiki/Glue_services#SteadyClockTimePoint
struct SteadyClockTimePoint {
s64 time_point;
Common::UUID clock_source_id;
Result GetSpanBetween(SteadyClockTimePoint other, s64& span) const {
span = 0;
if (clock_source_id != other.clock_source_id) {
return ERROR_TIME_MISMATCH;
}
span = other.time_point - time_point;
return ResultSuccess;
}
static SteadyClockTimePoint GetRandom() {
return {0, Common::UUID::MakeRandom()};
}
};
static_assert(sizeof(SteadyClockTimePoint) == 0x18, "SteadyClockTimePoint is incorrect size");
static_assert(std::is_trivially_copyable_v<SteadyClockTimePoint>,
"SteadyClockTimePoint must be trivially copyable");
struct SteadyClockContext {
u64 internal_offset;
Common::UUID steady_time_point;
};
static_assert(sizeof(SteadyClockContext) == 0x18, "SteadyClockContext is incorrect size");
static_assert(std::is_trivially_copyable_v<SteadyClockContext>,
"SteadyClockContext must be trivially copyable");
using StandardSteadyClockTimePointType = SteadyClockContext;
struct SystemClockContext {
s64 offset;
SteadyClockTimePoint steady_time_point;
};
static_assert(sizeof(SystemClockContext) == 0x20, "SystemClockContext is incorrect size");
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{};
static constexpr s64 ns_per_second{1000000000ULL};
s64 ToSeconds() const {
return nanoseconds / ns_per_second;
}
static TimeSpanType FromSeconds(s64 seconds) {
return {seconds * ns_per_second};
}
static TimeSpanType FromTicks(u64 ticks, u64 frequency) {
return FromSeconds(static_cast<s64>(ticks) / static_cast<s64>(frequency));
}
};
static_assert(sizeof(TimeSpanType) == 8, "TimeSpanType is incorrect size");
struct ClockSnapshot {
SystemClockContext user_context;
SystemClockContext network_context;
s64 user_time;
s64 network_time;
TimeZone::CalendarTime user_calendar_time;
TimeZone::CalendarTime network_calendar_time;
TimeZone::CalendarAdditionalInfo user_calendar_additional_time;
TimeZone::CalendarAdditionalInfo network_calendar_additional_time;
SteadyClockTimePoint steady_clock_time_point;
TimeZone::LocationName location_name;
u8 is_automatic_correction_enabled;
TimeType type;
INSERT_PADDING_BYTES_NOINIT(0x2);
static Result GetCurrentTime(s64& current_time,
const SteadyClockTimePoint& steady_clock_time_point,
const SystemClockContext& context) {
if (steady_clock_time_point.clock_source_id != context.steady_time_point.clock_source_id) {
current_time = 0;
return ERROR_TIME_MISMATCH;
}
current_time = steady_clock_time_point.time_point + context.offset;
return ResultSuccess;
}
};
static_assert(sizeof(ClockSnapshot) == 0xD0, "ClockSnapshot is incorrect size");
} // namespace Service::Time::Clock
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