1 files changed, 500 insertions, 0 deletions
diff --git a/src/core/hle/service/psc/time/static.cpp b/src/core/hle/service/psc/time/static.cpp
new file mode 100644
index 000000000..6f8cf3f88
--- /dev/null
+++ b/src/core/hle/service/psc/time/static.cpp
@@ -0,0 +1,500 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/hle/kernel/k_shared_memory.h"
+#include "core/hle/service/psc/time/clocks/ephemeral_network_system_clock_core.h"
+#include "core/hle/service/psc/time/clocks/standard_local_system_clock_core.h"
+#include "core/hle/service/psc/time/clocks/standard_network_system_clock_core.h"
+#include "core/hle/service/psc/time/clocks/standard_user_system_clock_core.h"
+#include "core/hle/service/psc/time/manager.h"
+#include "core/hle/service/psc/time/shared_memory.h"
+#include "core/hle/service/psc/time/static.h"
+#include "core/hle/service/psc/time/steady_clock.h"
+#include "core/hle/service/psc/time/system_clock.h"
+#include "core/hle/service/psc/time/time_zone.h"
+#include "core/hle/service/psc/time/time_zone_service.h"
+
+namespace Service::PSC::Time {
+namespace {
+constexpr Result GetTimeFromTimePointAndContext(s64* out_time, SteadyClockTimePoint& time_point,
+                                                SystemClockContext& context) {
+    R_UNLESS(out_time != nullptr, ResultInvalidArgument);
+    R_UNLESS(time_point.IdMatches(context.steady_time_point), ResultClockMismatch);
+
+    *out_time = context.offset + time_point.time_point;
+    R_SUCCEED();
+}
+} // namespace
+
+StaticService::StaticService(Core::System& system_, StaticServiceSetupInfo setup_info,
+                             std::shared_ptr<TimeManager> time, const char* name)
+    : ServiceFramework{system_, name}, m_system{system}, m_setup_info{setup_info}, m_time{time},
+      m_local_system_clock{m_time->m_standard_local_system_clock},
+      m_user_system_clock{m_time->m_standard_user_system_clock},
+      m_network_system_clock{m_time->m_standard_network_system_clock},
+      m_time_zone{m_time->m_time_zone},
+      m_ephemeral_network_clock{m_time->m_ephemeral_network_clock}, m_shared_memory{
+                                                                        m_time->m_shared_memory} {
+    // clang-format off
+        static const FunctionInfo functions[] = {
+            {0,   &StaticService::Handle_GetStandardUserSystemClock, "GetStandardUserSystemClock"},
+            {1,   &StaticService::Handle_GetStandardNetworkSystemClock, "GetStandardNetworkSystemClock"},
+            {2,   &StaticService::Handle_GetStandardSteadyClock, "GetStandardSteadyClock"},
+            {3,   &StaticService::Handle_GetTimeZoneService, "GetTimeZoneService"},
+            {4,   &StaticService::Handle_GetStandardLocalSystemClock, "GetStandardLocalSystemClock"},
+            {5,   &StaticService::Handle_GetEphemeralNetworkSystemClock, "GetEphemeralNetworkSystemClock"},
+            {20,  &StaticService::Handle_GetSharedMemoryNativeHandle, "GetSharedMemoryNativeHandle"},
+            {50,  &StaticService::Handle_SetStandardSteadyClockInternalOffset, "SetStandardSteadyClockInternalOffset"},
+            {51,  &StaticService::Handle_GetStandardSteadyClockRtcValue, "GetStandardSteadyClockRtcValue"},
+            {100, &StaticService::Handle_IsStandardUserSystemClockAutomaticCorrectionEnabled, "IsStandardUserSystemClockAutomaticCorrectionEnabled"},
+            {101, &StaticService::Handle_SetStandardUserSystemClockAutomaticCorrectionEnabled, "SetStandardUserSystemClockAutomaticCorrectionEnabled"},
+            {102, &StaticService::Handle_GetStandardUserSystemClockInitialYear, "GetStandardUserSystemClockInitialYear"},
+            {200, &StaticService::Handle_IsStandardNetworkSystemClockAccuracySufficient, "IsStandardNetworkSystemClockAccuracySufficient"},
+            {201, &StaticService::Handle_GetStandardUserSystemClockAutomaticCorrectionUpdatedTime, "GetStandardUserSystemClockAutomaticCorrectionUpdatedTime"},
+            {300, &StaticService::Handle_CalculateMonotonicSystemClockBaseTimePoint, "CalculateMonotonicSystemClockBaseTimePoint"},
+            {400, &StaticService::Handle_GetClockSnapshot, "GetClockSnapshot"},
+            {401, &StaticService::Handle_GetClockSnapshotFromSystemClockContext, "GetClockSnapshotFromSystemClockContext"},
+            {500, &StaticService::Handle_CalculateStandardUserSystemClockDifferenceByUser, "CalculateStandardUserSystemClockDifferenceByUser"},
+            {501, &StaticService::Handle_CalculateSpanBetween, "CalculateSpanBetween"},
+        };
+    // clang-format on
+
+    RegisterHandlers(functions);
+}
+
+Result StaticService::GetClockSnapshotImpl(ClockSnapshot& out_snapshot,
+                                           SystemClockContext& user_context,
+                                           SystemClockContext& network_context, TimeType type) {
+    out_snapshot.user_context = user_context;
+    out_snapshot.network_context = network_context;
+
+    R_TRY(
+        m_time->m_standard_steady_clock.GetCurrentTimePoint(out_snapshot.steady_clock_time_point));
+
+    out_snapshot.is_automatic_correction_enabled = m_user_system_clock.GetAutomaticCorrection();
+
+    R_TRY(m_time_zone.GetLocationName(out_snapshot.location_name));
+
+    R_TRY(GetTimeFromTimePointAndContext(
+        &out_snapshot.user_time, out_snapshot.steady_clock_time_point, out_snapshot.user_context));
+
+    R_TRY(m_time_zone.ToCalendarTimeWithMyRule(out_snapshot.user_calendar_time,
+                                               out_snapshot.user_calendar_additional_time,
+                                               out_snapshot.user_time));
+
+    if (GetTimeFromTimePointAndContext(&out_snapshot.network_time,
+                                       out_snapshot.steady_clock_time_point,
+                                       out_snapshot.network_context) != ResultSuccess) {
+        out_snapshot.network_time = 0;
+    }
+
+    R_TRY(m_time_zone.ToCalendarTimeWithMyRule(out_snapshot.network_calendar_time,
+                                               out_snapshot.network_calendar_additional_time,
+                                               out_snapshot.network_time));
+    out_snapshot.type = type;
+    out_snapshot.unk_CE = 0;
+    R_SUCCEED();
+}
+
+void StaticService::Handle_GetStandardUserSystemClock(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    std::shared_ptr<SystemClock> service{};
+    auto res = GetStandardUserSystemClock(service);
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(res);
+    rb.PushIpcInterface<SystemClock>(std::move(service));
+}
+
+void StaticService::Handle_GetStandardNetworkSystemClock(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    std::shared_ptr<SystemClock> service{};
+    auto res = GetStandardNetworkSystemClock(service);
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(res);
+    rb.PushIpcInterface<SystemClock>(std::move(service));
+}
+
+void StaticService::Handle_GetStandardSteadyClock(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    std::shared_ptr<SteadyClock> service{};
+    auto res = GetStandardSteadyClock(service);
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(res);
+    rb.PushIpcInterface(std::move(service));
+}
+
+void StaticService::Handle_GetTimeZoneService(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    std::shared_ptr<TimeZoneService> service{};
+    auto res = GetTimeZoneService(service);
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(res);
+    rb.PushIpcInterface(std::move(service));
+}
+
+void StaticService::Handle_GetStandardLocalSystemClock(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    std::shared_ptr<SystemClock> service{};
+    auto res = GetStandardLocalSystemClock(service);
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(res);
+    rb.PushIpcInterface<SystemClock>(std::move(service));
+}
+
+void StaticService::Handle_GetEphemeralNetworkSystemClock(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    std::shared_ptr<SystemClock> service{};
+    auto res = GetEphemeralNetworkSystemClock(service);
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(res);
+    rb.PushIpcInterface<SystemClock>(std::move(service));
+}
+
+void StaticService::Handle_GetSharedMemoryNativeHandle(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    Kernel::KSharedMemory* shared_memory{};
+    auto res = GetSharedMemoryNativeHandle(&shared_memory);
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(res);
+    rb.PushCopyObjects(shared_memory);
+}
+
+void StaticService::Handle_SetStandardSteadyClockInternalOffset(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(m_setup_info.can_write_steady_clock ? ResultNotImplemented : ResultPermissionDenied);
+}
+
+void StaticService::Handle_GetStandardSteadyClockRtcValue(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultNotImplemented);
+}
+
+void StaticService::Handle_IsStandardUserSystemClockAutomaticCorrectionEnabled(
+    HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    bool is_enabled{};
+    auto res = IsStandardUserSystemClockAutomaticCorrectionEnabled(is_enabled);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(res);
+    rb.Push<bool>(is_enabled);
+}
+
+void StaticService::Handle_SetStandardUserSystemClockAutomaticCorrectionEnabled(
+    HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::RequestParser rp{ctx};
+    auto automatic_correction{rp.Pop<bool>()};
+
+    auto res = SetStandardUserSystemClockAutomaticCorrectionEnabled(automatic_correction);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(res);
+}
+
+void StaticService::Handle_GetStandardUserSystemClockInitialYear(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(ResultNotImplemented);
+}
+
+void StaticService::Handle_IsStandardNetworkSystemClockAccuracySufficient(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    bool is_sufficient{};
+    auto res = IsStandardNetworkSystemClockAccuracySufficient(is_sufficient);
+
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(res);
+    rb.Push<bool>(is_sufficient);
+}
+
+void StaticService::Handle_GetStandardUserSystemClockAutomaticCorrectionUpdatedTime(
+    HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    SteadyClockTimePoint time_point{};
+    auto res = GetStandardUserSystemClockAutomaticCorrectionUpdatedTime(time_point);
+
+    IPC::ResponseBuilder rb{ctx, 2 + sizeof(SteadyClockTimePoint) / sizeof(u32)};
+    rb.Push(res);
+    rb.PushRaw<SteadyClockTimePoint>(time_point);
+}
+
+void StaticService::Handle_CalculateMonotonicSystemClockBaseTimePoint(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::RequestParser rp{ctx};
+    auto context{rp.PopRaw<SystemClockContext>()};
+
+    s64 time{};
+    auto res = CalculateMonotonicSystemClockBaseTimePoint(time, context);
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(res);
+    rb.Push<s64>(time);
+}
+
+void StaticService::Handle_GetClockSnapshot(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::RequestParser rp{ctx};
+    auto type{rp.PopEnum<TimeType>()};
+
+    ClockSnapshot snapshot{};
+    auto res = GetClockSnapshot(snapshot, type);
+
+    ctx.WriteBuffer(snapshot);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(res);
+}
+
+void StaticService::Handle_GetClockSnapshotFromSystemClockContext(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    IPC::RequestParser rp{ctx};
+    auto clock_type{rp.PopEnum<TimeType>()};
+    [[maybe_unused]] auto alignment{rp.Pop<u32>()};
+    auto user_context{rp.PopRaw<SystemClockContext>()};
+    auto network_context{rp.PopRaw<SystemClockContext>()};
+
+    ClockSnapshot snapshot{};
+    auto res =
+        GetClockSnapshotFromSystemClockContext(snapshot, user_context, network_context, clock_type);
+
+    ctx.WriteBuffer(snapshot);
+
+    IPC::ResponseBuilder rb{ctx, 2};
+    rb.Push(res);
+}
+
+void StaticService::Handle_CalculateStandardUserSystemClockDifferenceByUser(
+    HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    ClockSnapshot a{};
+    ClockSnapshot b{};
+
+    auto a_buffer{ctx.ReadBuffer(0)};
+    auto b_buffer{ctx.ReadBuffer(1)};
+
+    std::memcpy(&a, a_buffer.data(), sizeof(ClockSnapshot));
+    std::memcpy(&b, b_buffer.data(), sizeof(ClockSnapshot));
+
+    s64 difference{};
+    auto res = CalculateStandardUserSystemClockDifferenceByUser(difference, a, b);
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(res);
+    rb.Push(difference);
+}
+
+void StaticService::Handle_CalculateSpanBetween(HLERequestContext& ctx) {
+    LOG_DEBUG(Service_Time, "called.");
+
+    ClockSnapshot a{};
+    ClockSnapshot b{};
+
+    auto a_buffer{ctx.ReadBuffer(0)};
+    auto b_buffer{ctx.ReadBuffer(1)};
+
+    std::memcpy(&a, a_buffer.data(), sizeof(ClockSnapshot));
+    std::memcpy(&b, b_buffer.data(), sizeof(ClockSnapshot));
+
+    s64 time{};
+    auto res = CalculateSpanBetween(time, a, b);
+
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(res);
+    rb.Push(time);
+}
+
+// =============================== Implementations ===========================
+
+Result StaticService::GetStandardUserSystemClock(std::shared_ptr<SystemClock>& out_service) {
+    out_service = std::make_shared<SystemClock>(m_system, m_user_system_clock,
+                                                m_setup_info.can_write_user_clock,
+                                                m_setup_info.can_write_uninitialized_clock);
+    R_SUCCEED();
+}
+
+Result StaticService::GetStandardNetworkSystemClock(std::shared_ptr<SystemClock>& out_service) {
+    out_service = std::make_shared<SystemClock>(m_system, m_network_system_clock,
+                                                m_setup_info.can_write_network_clock,
+                                                m_setup_info.can_write_uninitialized_clock);
+    R_SUCCEED();
+}
+
+Result StaticService::GetStandardSteadyClock(std::shared_ptr<SteadyClock>& out_service) {
+    out_service =
+        std::make_shared<SteadyClock>(m_system, m_time, m_setup_info.can_write_steady_clock,
+                                      m_setup_info.can_write_uninitialized_clock);
+    R_SUCCEED();
+}
+
+Result StaticService::GetTimeZoneService(std::shared_ptr<TimeZoneService>& out_service) {
+    out_service =
+        std::make_shared<TimeZoneService>(m_system, m_time->m_standard_steady_clock, m_time_zone,
+                                          m_setup_info.can_write_timezone_device_location);
+    R_SUCCEED();
+}
+
+Result StaticService::GetStandardLocalSystemClock(std::shared_ptr<SystemClock>& out_service) {
+    out_service = std::make_shared<SystemClock>(m_system, m_local_system_clock,
+                                                m_setup_info.can_write_local_clock,
+                                                m_setup_info.can_write_uninitialized_clock);
+    R_SUCCEED();
+}
+
+Result StaticService::GetEphemeralNetworkSystemClock(std::shared_ptr<SystemClock>& out_service) {
+    out_service = std::make_shared<SystemClock>(m_system, m_ephemeral_network_clock,
+                                                m_setup_info.can_write_network_clock,
+                                                m_setup_info.can_write_uninitialized_clock);
+    R_SUCCEED();
+}
+
+Result StaticService::GetSharedMemoryNativeHandle(Kernel::KSharedMemory** out_shared_memory) {
+    *out_shared_memory = &m_shared_memory.GetKSharedMemory();
+    R_SUCCEED();
+}
+
+Result StaticService::IsStandardUserSystemClockAutomaticCorrectionEnabled(bool& out_is_enabled) {
+    R_UNLESS(m_user_system_clock.IsInitialized(), ResultClockUninitialized);
+
+    out_is_enabled = m_user_system_clock.GetAutomaticCorrection();
+    R_SUCCEED();
+}
+
+Result StaticService::SetStandardUserSystemClockAutomaticCorrectionEnabled(
+    bool automatic_correction) {
+    R_UNLESS(m_user_system_clock.IsInitialized() && m_time->m_standard_steady_clock.IsInitialized(),
+             ResultClockUninitialized);
+    R_UNLESS(m_setup_info.can_write_user_clock, ResultPermissionDenied);
+
+    R_TRY(m_user_system_clock.SetAutomaticCorrection(automatic_correction));
+
+    m_shared_memory.SetAutomaticCorrection(automatic_correction);
+
+    SteadyClockTimePoint time_point{};
+    R_TRY(m_time->m_standard_steady_clock.GetCurrentTimePoint(time_point));
+
+    m_user_system_clock.SetTimePointAndSignal(time_point);
+    m_user_system_clock.GetEvent().Signal();
+    R_SUCCEED();
+}
+
+Result StaticService::IsStandardNetworkSystemClockAccuracySufficient(bool& out_is_sufficient) {
+    out_is_sufficient = m_network_system_clock.IsAccuracySufficient();
+    R_SUCCEED();
+}
+
+Result StaticService::GetStandardUserSystemClockAutomaticCorrectionUpdatedTime(
+    SteadyClockTimePoint& out_time_point) {
+    R_UNLESS(m_user_system_clock.IsInitialized(), ResultClockUninitialized);
+
+    m_user_system_clock.GetTimePoint(out_time_point);
+
+    R_SUCCEED();
+}
+
+Result StaticService::CalculateMonotonicSystemClockBaseTimePoint(s64& out_time,
+                                                                 SystemClockContext& context) {
+    R_UNLESS(m_time->m_standard_steady_clock.IsInitialized(), ResultClockUninitialized);
+
+    SteadyClockTimePoint time_point{};
+    R_TRY(m_time->m_standard_steady_clock.GetCurrentTimePoint(time_point));
+
+    R_UNLESS(time_point.IdMatches(context.steady_time_point), ResultClockMismatch);
+
+    auto one_second_ns{
+        std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(1)).count()};
+    auto ticks{m_system.CoreTiming().GetClockTicks()};
+    auto current_time{ConvertToTimeSpan(ticks).count()};
+    out_time = ((context.offset + time_point.time_point) - (current_time / one_second_ns));
+    R_SUCCEED();
+}
+
+Result StaticService::GetClockSnapshot(ClockSnapshot& out_snapshot, TimeType type) {
+    SystemClockContext user_context{};
+    R_TRY(m_user_system_clock.GetContext(user_context));
+
+    SystemClockContext network_context{};
+    R_TRY(m_network_system_clock.GetContext(network_context));
+
+    R_RETURN(GetClockSnapshotImpl(out_snapshot, user_context, network_context, type));
+}
+
+Result StaticService::GetClockSnapshotFromSystemClockContext(ClockSnapshot& out_snapshot,
+                                                             SystemClockContext& user_context,
+                                                             SystemClockContext& network_context,
+                                                             TimeType type) {
+    R_RETURN(GetClockSnapshotImpl(out_snapshot, user_context, network_context, type));
+}
+
+Result StaticService::CalculateStandardUserSystemClockDifferenceByUser(s64& out_time,
+                                                                       ClockSnapshot& a,
+                                                                       ClockSnapshot& b) {
+    auto diff_s =
+        std::chrono::seconds(b.user_context.offset) - std::chrono::seconds(a.user_context.offset);
+
+    if (a.user_context == b.user_context ||
+        !a.user_context.steady_time_point.IdMatches(b.user_context.steady_time_point)) {
+        out_time = 0;
+        R_SUCCEED();
+    }
+
+    if (!a.is_automatic_correction_enabled || !b.is_automatic_correction_enabled) {
+        out_time = std::chrono::duration_cast<std::chrono::nanoseconds>(diff_s).count();
+        R_SUCCEED();
+    }
+
+    if (a.network_context.steady_time_point.IdMatches(a.steady_clock_time_point) ||
+        b.network_context.steady_time_point.IdMatches(b.steady_clock_time_point)) {
+        out_time = 0;
+        R_SUCCEED();
+    }
+
+    out_time = std::chrono::duration_cast<std::chrono::nanoseconds>(diff_s).count();
+    R_SUCCEED();
+}
+
+Result StaticService::CalculateSpanBetween(s64& out_time, ClockSnapshot& a, ClockSnapshot& b) {
+    s64 time_s{};
+    auto res =
+        GetSpanBetweenTimePoints(&time_s, a.steady_clock_time_point, b.steady_clock_time_point);
+
+    if (res != ResultSuccess) {
+        R_UNLESS(a.network_time != 0 && b.network_time != 0, ResultTimeNotFound);
+        time_s = b.network_time - a.network_time;
+    }
+
+    out_time =
+        std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::seconds(time_s)).count();
+    R_SUCCEED();
+}
+
+} // namespace Service::PSC::Time