diff options
Diffstat (limited to 'src/core/hle/service/psc/time/alarms.cpp')
| -rw-r--r-- | src/core/hle/service/psc/time/alarms.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/core/hle/service/psc/time/alarms.cpp b/src/core/hle/service/psc/time/alarms.cpp new file mode 100644 index 000000000..5e52c19f8 --- /dev/null +++ b/src/core/hle/service/psc/time/alarms.cpp @@ -0,0 +1,209 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/core.h" +#include "core/hle/service/psc/time/alarms.h" +#include "core/hle/service/psc/time/manager.h" + +namespace Service::PSC::Time { +Alarm::Alarm(Core::System& system, KernelHelpers::ServiceContext& ctx, AlarmType type) + : m_ctx{ctx}, m_event{ctx.CreateEvent("Psc:Alarm:Event")} { + m_event->Clear(); + + switch (type) { + case WakeupAlarm: + m_priority = 1; + break; + case BackgroundTaskAlarm: + m_priority = 0; + break; + default: + UNREACHABLE(); + return; + } +} + +Alarm::~Alarm() { + m_ctx.CloseEvent(m_event); +} + +Alarms::Alarms(Core::System& system, StandardSteadyClockCore& steady_clock, + PowerStateRequestManager& power_state_request_manager) + : m_system{system}, m_ctx{system, "Psc:Alarms"}, m_steady_clock{steady_clock}, + m_power_state_request_manager{power_state_request_manager}, m_event{m_ctx.CreateEvent( + "Psc:Alarms:Event")} {} + +Alarms::~Alarms() { + m_ctx.CloseEvent(m_event); +} + +Result Alarms::Enable(Alarm& alarm, s64 time) { + R_UNLESS(m_steady_clock.IsInitialized(), ResultClockUninitialized); + + std::scoped_lock l{m_mutex}; + R_UNLESS(alarm.IsLinked(), ResultAlarmNotRegistered); + + auto time_ns{time + m_steady_clock.GetRawTime()}; + auto one_second_ns{ + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(1)).count()}; + time_ns = Common::AlignUp(time_ns, one_second_ns); + alarm.SetAlertTime(time_ns); + + Insert(alarm); + R_RETURN(UpdateClosestAndSignal()); +} + +void Alarms::Disable(Alarm& alarm) { + std::scoped_lock l{m_mutex}; + if (!alarm.IsLinked()) { + return; + } + + Erase(alarm); + UpdateClosestAndSignal(); +} + +void Alarms::CheckAndSignal() { + std::scoped_lock l{m_mutex}; + if (m_alarms.empty()) { + return; + } + + bool alarm_signalled{false}; + for (auto& alarm : m_alarms) { + if (m_steady_clock.GetRawTime() >= alarm.GetAlertTime()) { + alarm.Signal(); + alarm.Lock(); + Erase(alarm); + + m_power_state_request_manager.UpdatePendingPowerStateRequestPriority( + alarm.GetPriority()); + alarm_signalled = true; + } + } + + if (!alarm_signalled) { + return; + } + + m_power_state_request_manager.SignalPowerStateRequestAvailability(); + UpdateClosestAndSignal(); +} + +bool Alarms::GetClosestAlarm(Alarm** out_alarm) { + std::scoped_lock l{m_mutex}; + auto alarm = m_alarms.empty() ? nullptr : std::addressof(m_alarms.front()); + *out_alarm = alarm; + return alarm != nullptr; +} + +void Alarms::Insert(Alarm& alarm) { + // Alarms are sorted by alert time, then priority + auto it{m_alarms.begin()}; + while (it != m_alarms.end()) { + if (alarm.GetAlertTime() < it->GetAlertTime() || + (alarm.GetAlertTime() == it->GetAlertTime() && + alarm.GetPriority() < it->GetPriority())) { + m_alarms.insert(it, alarm); + return; + } + it++; + } + + m_alarms.push_back(alarm); +} + +void Alarms::Erase(Alarm& alarm) { + m_alarms.erase(m_alarms.iterator_to(alarm)); +} + +Result Alarms::UpdateClosestAndSignal() { + m_closest_alarm = m_alarms.empty() ? nullptr : std::addressof(m_alarms.front()); + R_SUCCEED_IF(m_closest_alarm == nullptr); + + m_event->Signal(); + + R_SUCCEED(); +} + +IAlarmService::IAlarmService(Core::System& system_, std::shared_ptr<TimeManager> manager) + : ServiceFramework{system_, "time:al"}, m_system{system}, m_alarms{manager->m_alarms} { + // clang-format off + static const FunctionInfo functions[] = { + {0, &IAlarmService::CreateWakeupAlarm, "CreateWakeupAlarm"}, + {1, &IAlarmService::CreateBackgroundTaskAlarm, "CreateBackgroundTaskAlarm"}, + }; + // clang-format on + RegisterHandlers(functions); +} + +void IAlarmService::CreateWakeupAlarm(HLERequestContext& ctx) { + LOG_DEBUG(Service_Time, "called."); + + IPC::ResponseBuilder rb{ctx, 2, 0, 1}; + rb.Push(ResultSuccess); + rb.PushIpcInterface<ISteadyClockAlarm>(system, m_alarms, AlarmType::WakeupAlarm); +} + +void IAlarmService::CreateBackgroundTaskAlarm(HLERequestContext& ctx) { + LOG_DEBUG(Service_Time, "called."); + + IPC::ResponseBuilder rb{ctx, 2, 0, 1}; + rb.Push(ResultSuccess); + rb.PushIpcInterface<ISteadyClockAlarm>(system, m_alarms, AlarmType::BackgroundTaskAlarm); +} + +ISteadyClockAlarm::ISteadyClockAlarm(Core::System& system_, Alarms& alarms, AlarmType type) + : ServiceFramework{system_, "ISteadyClockAlarm"}, m_ctx{system, "Psc:ISteadyClockAlarm"}, + m_alarms{alarms}, m_alarm{system, m_ctx, type} { + // clang-format off + static const FunctionInfo functions[] = { + {0, &ISteadyClockAlarm::GetAlarmEvent, "GetAlarmEvent"}, + {1, &ISteadyClockAlarm::Enable, "Enable"}, + {2, &ISteadyClockAlarm::Disable, "Disable"}, + {3, &ISteadyClockAlarm::IsEnabled, "IsEnabled"}, + {10, nullptr, "CreateWakeLock"}, + {11, nullptr, "DestroyWakeLock"}, + }; + // clang-format on + RegisterHandlers(functions); +} + +void ISteadyClockAlarm::GetAlarmEvent(HLERequestContext& ctx) { + LOG_DEBUG(Service_Time, "called."); + + IPC::ResponseBuilder rb{ctx, 2, 1}; + rb.Push(ResultSuccess); + rb.PushCopyObjects(m_alarm.GetEventHandle()); +} + +void ISteadyClockAlarm::Enable(HLERequestContext& ctx) { + LOG_DEBUG(Service_Time, "called."); + + IPC::RequestParser rp{ctx}; + auto time{rp.Pop<s64>()}; + + auto res = m_alarms.Enable(m_alarm, time); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(res); +} + +void ISteadyClockAlarm::Disable(HLERequestContext& ctx) { + LOG_DEBUG(Service_Time, "called."); + + m_alarms.Disable(m_alarm); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); +} + +void ISteadyClockAlarm::IsEnabled(HLERequestContext& ctx) { + LOG_DEBUG(Service_Time, "called."); + + IPC::ResponseBuilder rb{ctx, 3}; + rb.Push(ResultSuccess); + rb.Push<bool>(m_alarm.IsLinked()); +} + +} // namespace Service::PSC::Time |