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yuzu/src/core/hle/service/time/time.cpp
Lioncash 1a954b2a59 service: Eliminate usages of the global system instance 
Completely removes all usages of the global system instance within the
services code by passing in the using system instance to the services.
2020-11-26 20:03:11 -05:00

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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/core_timing_util.h"
#include "core/hardware_properties.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/service/time/interface.h"
#include "core/hle/service/time/time.h"
#include "core/hle/service/time/time_sharedmemory.h"
#include "core/hle/service/time/time_zone_service.h"
namespace Service::Time {
class ISystemClock final : public ServiceFramework<ISystemClock> {
public:
explicit ISystemClock(Clock::SystemClockCore& clock_core_, Core::System& system_)
: ServiceFramework{system_, "ISystemClock"}, clock_core{clock_core_} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &ISystemClock::GetCurrentTime, "GetCurrentTime"},
{1, nullptr, "SetCurrentTime"},
{2, &ISystemClock::GetSystemClockContext, "GetSystemClockContext"},
{3, nullptr, "SetSystemClockContext"},
{4, nullptr, "GetOperationEventReadableHandle"},
};
// clang-format on
RegisterHandlers(functions);
}
private:
void GetCurrentTime(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
if (!clock_core.IsInitialized()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_UNINITIALIZED_CLOCK);
return;
}
s64 posix_time{};
if (const ResultCode result{clock_core.GetCurrentTime(system, posix_time)};
result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push<s64>(posix_time);
}
void GetSystemClockContext(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
if (!clock_core.IsInitialized()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_UNINITIALIZED_CLOCK);
return;
}
Clock::SystemClockContext system_clock_context{};
if (const ResultCode result{clock_core.GetClockContext(system, system_clock_context)};
result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, sizeof(Clock::SystemClockContext) / 4 + 2};
rb.Push(RESULT_SUCCESS);
rb.PushRaw(system_clock_context);
}
Clock::SystemClockCore& clock_core;
};
class ISteadyClock final : public ServiceFramework<ISteadyClock> {
public:
explicit ISteadyClock(Clock::SteadyClockCore& clock_core_, Core::System& system_)
: ServiceFramework{system_, "ISteadyClock"}, clock_core{clock_core_} {
static const FunctionInfo functions[] = {
{0, &ISteadyClock::GetCurrentTimePoint, "GetCurrentTimePoint"},
{2, nullptr, "GetTestOffset"},
{3, nullptr, "SetTestOffset"},
{100, nullptr, "GetRtcValue"},
{101, nullptr, "IsRtcResetDetected"},
{102, nullptr, "GetSetupResultValue"},
{200, nullptr, "GetInternalOffset"},
{201, nullptr, "SetInternalOffset"},
};
RegisterHandlers(functions);
}
private:
void GetCurrentTimePoint(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
if (!clock_core.IsInitialized()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_UNINITIALIZED_CLOCK);
return;
}
const Clock::SteadyClockTimePoint time_point{clock_core.GetCurrentTimePoint(system)};
IPC::ResponseBuilder rb{ctx, (sizeof(Clock::SteadyClockTimePoint) / 4) + 2};
rb.Push(RESULT_SUCCESS);
rb.PushRaw(time_point);
}
Clock::SteadyClockCore& clock_core;
};
ResultCode Module::Interface::GetClockSnapshotFromSystemClockContextInternal(
Kernel::Thread* thread, Clock::SystemClockContext user_context,
Clock::SystemClockContext network_context, u8 type, Clock::ClockSnapshot& clock_snapshot) {
auto& time_manager{system.GetTimeManager()};
clock_snapshot.is_automatic_correction_enabled =
time_manager.GetStandardUserSystemClockCore().IsAutomaticCorrectionEnabled();
clock_snapshot.user_context = user_context;
clock_snapshot.network_context = network_context;
if (const ResultCode result{
time_manager.GetTimeZoneContentManager().GetTimeZoneManager().GetDeviceLocationName(
clock_snapshot.location_name)};
result != RESULT_SUCCESS) {
return result;
}
const auto current_time_point{
time_manager.GetStandardSteadyClockCore().GetCurrentTimePoint(system)};
if (const ResultCode result{Clock::ClockSnapshot::GetCurrentTime(
clock_snapshot.user_time, current_time_point, clock_snapshot.user_context)};
result != RESULT_SUCCESS) {
return result;
}
TimeZone::CalendarInfo userCalendarInfo{};
if (const ResultCode result{
time_manager.GetTimeZoneContentManager().GetTimeZoneManager().ToCalendarTimeWithMyRules(
clock_snapshot.user_time, userCalendarInfo)};
result != RESULT_SUCCESS) {
return result;
}
clock_snapshot.user_calendar_time = userCalendarInfo.time;
clock_snapshot.user_calendar_additional_time = userCalendarInfo.additiona_info;
if (Clock::ClockSnapshot::GetCurrentTime(clock_snapshot.network_time, current_time_point,
clock_snapshot.network_context) != RESULT_SUCCESS) {
clock_snapshot.network_time = 0;
}
TimeZone::CalendarInfo networkCalendarInfo{};
if (const ResultCode result{
time_manager.GetTimeZoneContentManager().GetTimeZoneManager().ToCalendarTimeWithMyRules(
clock_snapshot.network_time, networkCalendarInfo)};
result != RESULT_SUCCESS) {
return result;
}
clock_snapshot.network_calendar_time = networkCalendarInfo.time;
clock_snapshot.network_calendar_additional_time = networkCalendarInfo.additiona_info;
clock_snapshot.type = type;
return RESULT_SUCCESS;
}
void Module::Interface::GetStandardUserSystemClock(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<ISystemClock>(system.GetTimeManager().GetStandardUserSystemClockCore(),
system);
}
void Module::Interface::GetStandardNetworkSystemClock(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<ISystemClock>(system.GetTimeManager().GetStandardNetworkSystemClockCore(),
system);
}
void Module::Interface::GetStandardSteadyClock(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<ISteadyClock>(system.GetTimeManager().GetStandardSteadyClockCore(), system);
}
void Module::Interface::GetTimeZoneService(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<ITimeZoneService>(system,
system.GetTimeManager().GetTimeZoneContentManager());
}
void Module::Interface::GetStandardLocalSystemClock(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<ISystemClock>(system.GetTimeManager().GetStandardLocalSystemClockCore(),
system);
}
void Module::Interface::IsStandardNetworkSystemClockAccuracySufficient(
Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
auto& clock_core{system.GetTimeManager().GetStandardNetworkSystemClockCore()};
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(clock_core.IsStandardNetworkSystemClockAccuracySufficient(system));
}
void Module::Interface::CalculateMonotonicSystemClockBaseTimePoint(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
auto& steady_clock_core{system.GetTimeManager().GetStandardSteadyClockCore()};
if (!steady_clock_core.IsInitialized()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_UNINITIALIZED_CLOCK);
return;
}
IPC::RequestParser rp{ctx};
const auto context{rp.PopRaw<Clock::SystemClockContext>()};
const auto current_time_point{steady_clock_core.GetCurrentTimePoint(system)};
if (current_time_point.clock_source_id == context.steady_time_point.clock_source_id) {
const auto ticks{Clock::TimeSpanType::FromTicks(system.CoreTiming().GetClockTicks(),
Core::Hardware::CNTFREQ)};
const s64 base_time_point{context.offset + current_time_point.time_point -
ticks.ToSeconds()};
IPC::ResponseBuilder rb{ctx, (sizeof(s64) / 4) + 2};
rb.Push(RESULT_SUCCESS);
rb.PushRaw(base_time_point);
return;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_TIME_MISMATCH);
}
void Module::Interface::GetClockSnapshot(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::RequestParser rp{ctx};
const auto type{rp.PopRaw<u8>()};
Clock::SystemClockContext user_context{};
if (const ResultCode result{
system.GetTimeManager().GetStandardUserSystemClockCore().GetClockContext(system,
user_context)};
result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
Clock::SystemClockContext network_context{};
if (const ResultCode result{
system.GetTimeManager().GetStandardNetworkSystemClockCore().GetClockContext(
system, network_context)};
result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
Clock::ClockSnapshot clock_snapshot{};
if (const ResultCode result{GetClockSnapshotFromSystemClockContextInternal(
&ctx.GetThread(), user_context, network_context, type, clock_snapshot)};
result.IsError()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
ctx.WriteBuffer(clock_snapshot);
}
void Module::Interface::GetClockSnapshotFromSystemClockContext(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::RequestParser rp{ctx};
const auto type{rp.PopRaw<u8>()};
rp.AlignWithPadding();
const Clock::SystemClockContext user_context{rp.PopRaw<Clock::SystemClockContext>()};
const Clock::SystemClockContext network_context{rp.PopRaw<Clock::SystemClockContext>()};
Clock::ClockSnapshot clock_snapshot{};
if (const ResultCode result{GetClockSnapshotFromSystemClockContextInternal(
&ctx.GetThread(), user_context, network_context, type, clock_snapshot)};
result != RESULT_SUCCESS) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
ctx.WriteBuffer(clock_snapshot);
}
void Module::Interface::CalculateStandardUserSystemClockDifferenceByUser(
Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::RequestParser rp{ctx};
const auto snapshot_a = rp.PopRaw<Clock::ClockSnapshot>();
const auto snapshot_b = rp.PopRaw<Clock::ClockSnapshot>();
auto time_span_type{Clock::TimeSpanType::FromSeconds(snapshot_b.user_context.offset -
snapshot_a.user_context.offset)};
if ((snapshot_b.user_context.steady_time_point.clock_source_id !=
snapshot_a.user_context.steady_time_point.clock_source_id) ||
(snapshot_b.is_automatic_correction_enabled &&
snapshot_a.is_automatic_correction_enabled)) {
time_span_type.nanoseconds = 0;
}
IPC::ResponseBuilder rb{ctx, (sizeof(s64) / 4) + 2};
rb.Push(RESULT_SUCCESS);
rb.PushRaw(time_span_type.nanoseconds);
}
void Module::Interface::CalculateSpanBetween(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::RequestParser rp{ctx};
const auto snapshot_a = rp.PopRaw<Clock::ClockSnapshot>();
const auto snapshot_b = rp.PopRaw<Clock::ClockSnapshot>();
Clock::TimeSpanType time_span_type{};
s64 span{};
if (const ResultCode result{snapshot_a.steady_clock_time_point.GetSpanBetween(
snapshot_b.steady_clock_time_point, span)};
result != RESULT_SUCCESS) {
if (snapshot_a.network_time && snapshot_b.network_time) {
time_span_type =
Clock::TimeSpanType::FromSeconds(snapshot_b.network_time - snapshot_a.network_time);
} else {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ERROR_TIME_NOT_FOUND);
return;
}
} else {
time_span_type = Clock::TimeSpanType::FromSeconds(span);
}
IPC::ResponseBuilder rb{ctx, (sizeof(s64) / 4) + 2};
rb.Push(RESULT_SUCCESS);
rb.PushRaw(time_span_type.nanoseconds);
}
void Module::Interface::GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_Time, "called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(SharedFrom(&system.Kernel().GetTimeSharedMem()));
}
Module::Interface::Interface(std::shared_ptr<Module> module_, Core::System& system_,
const char* name)
: ServiceFramework{system_, name}, module{std::move(module_)} {}
Module::Interface::~Interface() = default;
void InstallInterfaces(Core::System& system) {
auto module{std::make_shared<Module>()};
std::make_shared<Time>(module, system, "time:a")->InstallAsService(system.ServiceManager());
std::make_shared<Time>(module, system, "time:s")->InstallAsService(system.ServiceManager());
std::make_shared<Time>(module, system, "time:u")->InstallAsService(system.ServiceManager());
}
} // namespace Service::Time
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