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Diffstat (limited to 'src/core/hle/service/glue/time/manager.cpp')
| -rw-r--r-- | src/core/hle/service/glue/time/manager.cpp | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/src/core/hle/service/glue/time/manager.cpp b/src/core/hle/service/glue/time/manager.cpp new file mode 100644 index 000000000..6423e5089 --- /dev/null +++ b/src/core/hle/service/glue/time/manager.cpp @@ -0,0 +1,277 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <chrono> + +#include "core/core.h" +#include "core/core_timing.h" + +#include "common/settings.h" +#include "common/time_zone.h" +#include "core/file_sys/vfs.h" +#include "core/hle/kernel/svc.h" +#include "core/hle/service/glue/time/manager.h" +#include "core/hle/service/glue/time/time_zone_binary.h" +#include "core/hle/service/psc/time/service_manager.h" +#include "core/hle/service/psc/time/static.h" +#include "core/hle/service/psc/time/system_clock.h" +#include "core/hle/service/psc/time/time_zone_service.h" +#include "core/hle/service/set/system_settings_server.h" +#include "core/hle/service/sm/sm.h" + +namespace Service::Glue::Time { +namespace { + +template <typename T> +T GetSettingsItemValue(std::shared_ptr<Service::Set::ISystemSettingsServer>& set_sys, + const char* category, const char* name) { + std::vector<u8> interval_buf; + auto res = set_sys->GetSettingsItemValue(interval_buf, category, name); + ASSERT(res == ResultSuccess); + + T v{}; + std::memcpy(&v, interval_buf.data(), sizeof(T)); + return v; +} + +s64 CalendarTimeToEpoch(Service::PSC::Time::CalendarTime calendar) { + constexpr auto is_leap = [](s32 year) -> bool { + return (((year) % 4) == 0 && (((year) % 100) != 0 || ((year) % 400) == 0)); + }; + constexpr std::array<s32, 12> MonthStartDayOfYear{ + 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, + }; + + s16 month_s16{calendar.month}; + s8 month{static_cast<s8>(((month_s16 * 43) & ~std::numeric_limits<s16>::max()) + + ((month_s16 * 43) >> 9))}; + s8 month_index{static_cast<s8>(calendar.month - 12 * month)}; + if (month_index == 0) { + month_index = 12; + } + s32 year{(month + calendar.year) - !month_index}; + s32 v8{year >= 0 ? year : year + 3}; + + s64 days_since_epoch = calendar.day + MonthStartDayOfYear[month_index - 1]; + days_since_epoch += (year * 365) + (v8 / 4) - (year / 100) + (year / 400) - 365; + + if (month_index <= 2 && is_leap(year)) { + days_since_epoch--; + } + auto epoch_s{((24ll * days_since_epoch + calendar.hour) * 60ll + calendar.minute) * 60ll + + calendar.second}; + return epoch_s - 62135683200ll; +} + +s64 GetEpochTimeFromInitialYear(std::shared_ptr<Service::Set::ISystemSettingsServer>& set_sys) { + Service::PSC::Time::CalendarTime calendar{ + .year = GetSettingsItemValue<s16>(set_sys, "time", "standard_user_clock_initial_year"), + .month = 1, + .day = 1, + .hour = 0, + .minute = 0, + .second = 0, + }; + return CalendarTimeToEpoch(calendar); +} + +Service::PSC::Time::LocationName GetTimeZoneString(Service::PSC::Time::LocationName& in_name) { + auto configured_zone = Settings::GetTimeZoneString(Settings::values.time_zone_index.GetValue()); + + Service::PSC::Time::LocationName configured_name{}; + std::memcpy(configured_name.name.data(), configured_zone.data(), + std::min(configured_name.name.size(), configured_zone.size())); + + if (!IsTimeZoneBinaryValid(configured_name)) { + configured_zone = Common::TimeZone::FindSystemTimeZone(); + configured_name = {}; + std::memcpy(configured_name.name.data(), configured_zone.data(), + std::min(configured_name.name.size(), configured_zone.size())); + } + + ASSERT_MSG(IsTimeZoneBinaryValid(configured_name), "Invalid time zone {}!", + configured_name.name.data()); + + return configured_name; +} + +} // namespace + +TimeManager::TimeManager(Core::System& system) + : m_steady_clock_resource{system}, m_worker{system, m_steady_clock_resource, + m_file_timestamp_worker} { + m_time_m = + system.ServiceManager().GetService<Service::PSC::Time::ServiceManager>("time:m", true); + + auto res = m_time_m->GetStaticServiceAsServiceManager(m_time_sm); + ASSERT(res == ResultSuccess); + + m_set_sys = + system.ServiceManager().GetService<Service::Set::ISystemSettingsServer>("set:sys", true); + + res = MountTimeZoneBinary(system); + ASSERT(res == ResultSuccess); + + m_worker.Initialize(m_time_sm, m_set_sys); + + res = m_time_sm->GetStandardUserSystemClock(m_file_timestamp_worker.m_system_clock); + ASSERT(res == ResultSuccess); + + res = m_time_sm->GetTimeZoneService(m_file_timestamp_worker.m_time_zone); + ASSERT(res == ResultSuccess); + + res = SetupStandardSteadyClockCore(); + ASSERT(res == ResultSuccess); + + Service::PSC::Time::SystemClockContext user_clock_context{}; + res = m_set_sys->GetUserSystemClockContext(user_clock_context); + ASSERT(res == ResultSuccess); + + // TODO the local clock should initialise with this epoch time, and be updated somewhere else on + // first boot to update it, but I haven't been able to find that point (likely via ntc's auto + // correct as it's defaulted to be enabled). So to get a time that isn't stuck in the past for + // first boot, grab the current real seconds. + auto epoch_time{GetEpochTimeFromInitialYear(m_set_sys)}; + if (user_clock_context == Service::PSC::Time::SystemClockContext{}) { + m_steady_clock_resource.GetRtcTimeInSeconds(epoch_time); + } + + res = m_time_m->SetupStandardLocalSystemClockCore(user_clock_context, epoch_time); + ASSERT(res == ResultSuccess); + + Service::PSC::Time::SystemClockContext network_clock_context{}; + res = m_set_sys->GetNetworkSystemClockContext(network_clock_context); + ASSERT(res == ResultSuccess); + + auto network_accuracy_m{GetSettingsItemValue<s32>( + m_set_sys, "time", "standard_network_clock_sufficient_accuracy_minutes")}; + auto one_minute_ns{ + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::minutes(1)).count()}; + s64 network_accuracy_ns{network_accuracy_m * one_minute_ns}; + + res = m_time_m->SetupStandardNetworkSystemClockCore(network_clock_context, network_accuracy_ns); + ASSERT(res == ResultSuccess); + + bool is_automatic_correction_enabled{}; + res = m_set_sys->IsUserSystemClockAutomaticCorrectionEnabled(is_automatic_correction_enabled); + ASSERT(res == ResultSuccess); + + Service::PSC::Time::SteadyClockTimePoint automatic_correction_time_point{}; + res = m_set_sys->GetUserSystemClockAutomaticCorrectionUpdatedTime( + automatic_correction_time_point); + ASSERT(res == ResultSuccess); + + res = m_time_m->SetupStandardUserSystemClockCore(automatic_correction_time_point, + is_automatic_correction_enabled); + ASSERT(res == ResultSuccess); + + res = m_time_m->SetupEphemeralNetworkSystemClockCore(); + ASSERT(res == ResultSuccess); + + res = SetupTimeZoneServiceCore(); + ASSERT(res == ResultSuccess); + + s64 rtc_time_s{}; + res = m_steady_clock_resource.GetRtcTimeInSeconds(rtc_time_s); + ASSERT(res == ResultSuccess); + + // TODO system report "launch" + // "rtc_reset" = m_steady_clock_resource.m_rtc_reset + // "rtc_value" = rtc_time_s + + m_worker.StartThread(); + + m_file_timestamp_worker.m_initialized = true; + + s64 system_clock_time{}; + if (m_file_timestamp_worker.m_system_clock->GetCurrentTime(system_clock_time) == + ResultSuccess) { + Service::PSC::Time::CalendarTime calendar_time{}; + Service::PSC::Time::CalendarAdditionalInfo calendar_additional{}; + if (m_file_timestamp_worker.m_time_zone->ToCalendarTimeWithMyRule( + calendar_time, calendar_additional, system_clock_time) == ResultSuccess) { + // TODO IFileSystemProxy::SetCurrentPosixTime(system_clock_time, + // calendar_additional.ut_offset) + } + } +} + +Result TimeManager::SetupStandardSteadyClockCore() { + Common::UUID external_clock_source_id{}; + auto res = m_set_sys->GetExternalSteadyClockSourceId(external_clock_source_id); + ASSERT(res == ResultSuccess); + + s64 external_steady_clock_internal_offset_s{}; + res = m_set_sys->GetExternalSteadyClockInternalOffset(external_steady_clock_internal_offset_s); + ASSERT(res == ResultSuccess); + + auto one_second_ns{ + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(1)).count()}; + s64 external_steady_clock_internal_offset_ns{external_steady_clock_internal_offset_s * + one_second_ns}; + + s32 standard_steady_clock_test_offset_m{ + GetSettingsItemValue<s32>(m_set_sys, "time", "standard_steady_clock_test_offset_minutes")}; + auto one_minute_ns{ + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::minutes(1)).count()}; + s64 standard_steady_clock_test_offset_ns{standard_steady_clock_test_offset_m * one_minute_ns}; + + auto reset_detected = m_steady_clock_resource.GetResetDetected(); + if (reset_detected) { + external_clock_source_id = {}; + } + + Common::UUID clock_source_id{}; + m_steady_clock_resource.Initialize(&clock_source_id, &external_clock_source_id); + + if (clock_source_id != external_clock_source_id) { + m_set_sys->SetExternalSteadyClockSourceId(clock_source_id); + } + + res = m_time_m->SetupStandardSteadyClockCore(clock_source_id, m_steady_clock_resource.GetTime(), + external_steady_clock_internal_offset_ns, + standard_steady_clock_test_offset_ns, + reset_detected); + ASSERT(res == ResultSuccess); + R_SUCCEED(); +} + +Result TimeManager::SetupTimeZoneServiceCore() { + Service::PSC::Time::LocationName name{}; + auto res = m_set_sys->GetDeviceTimeZoneLocationName(name); + ASSERT(res == ResultSuccess); + + auto configured_zone = GetTimeZoneString(name); + + if (configured_zone.name != name.name) { + m_set_sys->SetDeviceTimeZoneLocationName(configured_zone); + name = configured_zone; + + std::shared_ptr<Service::PSC::Time::SystemClock> local_clock; + m_time_sm->GetStandardLocalSystemClock(local_clock); + Service::PSC::Time::SystemClockContext context{}; + local_clock->GetSystemClockContext(context); + m_set_sys->SetDeviceTimeZoneLocationUpdatedTime(context.steady_time_point); + } + + Service::PSC::Time::SteadyClockTimePoint time_point{}; + res = m_set_sys->GetDeviceTimeZoneLocationUpdatedTime(time_point); + ASSERT(res == ResultSuccess); + + auto location_count = GetTimeZoneCount(); + Service::PSC::Time::RuleVersion rule_version{}; + GetTimeZoneVersion(rule_version); + + std::span<const u8> rule_buffer{}; + size_t rule_size{}; + res = GetTimeZoneRule(rule_buffer, rule_size, name); + ASSERT(res == ResultSuccess); + + res = m_time_m->SetupTimeZoneServiceCore(name, time_point, rule_version, location_count, + rule_buffer); + ASSERT(res == ResultSuccess); + + R_SUCCEED(); +} + +} // namespace Service::Glue::Time |