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service: time: Implement CalculateStandardUserSystemClockDifferenceByUser.

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- Used by Animal Crossing: New Horizons.
This commit is contained in:
bunnei 2020-04-14 22:28:41 -04:00
parent 7e4a132a77
commit eb676c343a
3 changed files with 25 additions and 1 deletions
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2
src/core/hle/service/time/interface.cpp
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@ -29,7 +29,7 @@ Time::Time(std::shared_ptr<Module> module, Core::System& system, const char* nam
{300, &Time::CalculateMonotonicSystemClockBaseTimePoint, "CalculateMonotonicSystemClockBaseTimePoint"},
{400, &Time::GetClockSnapshot, "GetClockSnapshot"},
{401, &Time::GetClockSnapshotFromSystemClockContext, "GetClockSnapshotFromSystemClockContext"},
{500, nullptr, "CalculateStandardUserSystemClockDifferenceByUser"},
{500, &Time::CalculateStandardUserSystemClockDifferenceByUser, "CalculateStandardUserSystemClockDifferenceByUser"},
{501, &Time::CalculateSpanBetween, "CalculateSpanBetween"},
};
// clang-format on

23
src/core/hle/service/time/time.cpp
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@ -308,6 +308,29 @@ void Module::Interface::GetClockSnapshotFromSystemClockContext(Kernel::HLEReques
ctx.WriteBuffer(&clock_snapshot, sizeof(Clock::ClockSnapshot));
}
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");

1
src/core/hle/service/time/time.h
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@ -32,6 +32,7 @@ public:
void CalculateMonotonicSystemClockBaseTimePoint(Kernel::HLERequestContext& ctx);
void GetClockSnapshot(Kernel::HLERequestContext& ctx);
void GetClockSnapshotFromSystemClockContext(Kernel::HLERequestContext& ctx);
void CalculateStandardUserSystemClockDifferenceByUser(Kernel::HLERequestContext& ctx);
void CalculateSpanBetween(Kernel::HLERequestContext& ctx);
void GetSharedMemoryNativeHandle(Kernel::HLERequestContext& ctx);