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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/glue/time/standard_steady_clock_resource.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/core/hle/service/glue/time/standard_steady_clock_resource.cpp b/src/core/hle/service/glue/time/standard_steady_clock_resource.cpp new file mode 100644 index 000000000..5ebaa33e0 --- /dev/null +++ b/src/core/hle/service/glue/time/standard_steady_clock_resource.cpp @@ -0,0 +1,123 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <chrono> + +#include "common/settings.h" +#include "core/core.h" +#include "core/core_timing.h" +#include "core/hle/kernel/svc.h" +#include "core/hle/service/glue/time/standard_steady_clock_resource.h" +#include "core/hle/service/psc/time/errors.h" + +namespace Service::Glue::Time { +namespace { +[[maybe_unused]] constexpr u32 Max77620PmicSession = 0x3A000001; +[[maybe_unused]] constexpr u32 Max77620RtcSession = 0x3B000001; + +Result GetTimeInSeconds(Core::System& system, s64& out_time_s) { + out_time_s = std::chrono::duration_cast<std::chrono::seconds>( + std::chrono::system_clock::now().time_since_epoch()) + .count(); + + if (Settings::values.custom_rtc_enabled) { + out_time_s += Settings::values.custom_rtc_offset.GetValue(); + } + R_SUCCEED(); +} +} // namespace + +StandardSteadyClockResource::StandardSteadyClockResource(Core::System& system) : m_system{system} {} + +void StandardSteadyClockResource::Initialize(Common::UUID* out_source_id, + Common::UUID* external_source_id) { + constexpr size_t NUM_TRIES{20}; + + size_t i{0}; + Result res{ResultSuccess}; + for (; i < NUM_TRIES; i++) { + res = SetCurrentTime(); + if (res == ResultSuccess) { + break; + } + Kernel::Svc::SleepThread(m_system, std::chrono::duration_cast<std::chrono::nanoseconds>( + std::chrono::milliseconds(1)) + .count()); + } + + if (i < NUM_TRIES) { + m_set_time_result = ResultSuccess; + if (*external_source_id != Service::PSC::Time::ClockSourceId{}) { + m_clock_source_id = *external_source_id; + } else { + m_clock_source_id = Common::UUID::MakeRandom(); + } + } else { + m_set_time_result = res; + auto ticks{m_system.CoreTiming().GetClockTicks()}; + m_time = -Service::PSC::Time::ConvertToTimeSpan(ticks).count(); + m_clock_source_id = Common::UUID::MakeRandom(); + } + + if (out_source_id) { + *out_source_id = m_clock_source_id; + } +} + +bool StandardSteadyClockResource::GetResetDetected() { + // TODO: + // call Rtc::GetRtcResetDetected(Max77620RtcSession) + // if detected: + // SetSys::SetExternalSteadyClockSourceId(invalid_id) + // Rtc::ClearRtcResetDetected(Max77620RtcSession) + // set m_rtc_reset to result + // Instead, only set reset to true if we're booting for the first time. + m_rtc_reset = false; + return m_rtc_reset; +} + +Result StandardSteadyClockResource::SetCurrentTime() { + auto start_tick{m_system.CoreTiming().GetClockTicks()}; + + s64 rtc_time_s{}; + // TODO R_TRY(Rtc::GetTimeInSeconds(rtc_time_s, Max77620RtcSession)) + R_TRY(GetTimeInSeconds(m_system, rtc_time_s)); + + auto end_tick{m_system.CoreTiming().GetClockTicks()}; + auto diff{Service::PSC::Time::ConvertToTimeSpan(end_tick - start_tick)}; + // Why is this here? + R_UNLESS(diff < std::chrono::milliseconds(101), Service::PSC::Time::ResultRtcTimeout); + + auto one_second_ns{ + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(1)).count()}; + s64 boot_time{rtc_time_s * one_second_ns - + Service::PSC::Time::ConvertToTimeSpan(end_tick).count()}; + + std::scoped_lock l{m_mutex}; + m_time = boot_time; + R_SUCCEED(); +} + +Result StandardSteadyClockResource::GetRtcTimeInSeconds(s64& out_time) { + // TODO + // R_TRY(Rtc::GetTimeInSeconds(time_s, Max77620RtcSession) + R_RETURN(GetTimeInSeconds(m_system, out_time)); +} + +void StandardSteadyClockResource::UpdateTime() { + constexpr size_t NUM_TRIES{3}; + + size_t i{0}; + Result res{ResultSuccess}; + for (; i < NUM_TRIES; i++) { + res = SetCurrentTime(); + if (res == ResultSuccess) { + break; + } + Kernel::Svc::SleepThread(m_system, std::chrono::duration_cast<std::chrono::nanoseconds>( + std::chrono::milliseconds(1)) + .count()); + } +} + +} // namespace Service::Glue::Time |