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svc: Implement yield types 0 and -1

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This commit is contained in:
Zach Hilman 2018-11-18 23:44:19 -05:00
parent f02b125ac8
commit 409dcf0e0a
6 changed files with 130 additions and 2 deletions
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27
src/core/hle/kernel/svc.cpp
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@ -962,16 +962,39 @@ static void SleepThread(s64 nanoseconds) {
// Don't attempt to yield execution if there are no available threads to run,
// this way we avoid a useless reschedule to the idle thread.
if (nanoseconds == 0 && !Core::System::GetInstance().CurrentScheduler().HaveReadyThreads())
if (!Core::System::GetInstance().CurrentScheduler().HaveReadyThreads())
return;
if (nanoseconds <= 0) {
switch (nanoseconds) {
case 0:
GetCurrentThread()->YieldNormal();
break;
case -1:
GetCurrentThread()->YieldWithLoadBalancing();
break;
case -2:
GetCurrentThread()->YieldAndWaitForLoadBalancing();
break;
default:
UNREACHABLE_MSG(
"Unimplemented sleep yield type '{:016X}'! Falling back to forced reschedule...",
nanoseconds);
}
nanoseconds = 0;
}
// Sleep current thread and check for next thread to schedule
WaitCurrentThread_Sleep();
// Create an event to wake the thread up after the specified nanosecond delay has passed
GetCurrentThread()->WakeAfterDelay(nanoseconds);
Core::System::GetInstance().PrepareReschedule();
Core::System::GetInstance().CpuCore(0).PrepareReschedule();
Core::System::GetInstance().CpuCore(1).PrepareReschedule();
Core::System::GetInstance().CpuCore(2).PrepareReschedule();
Core::System::GetInstance().CpuCore(3).PrepareReschedule();
}
/// Wait process wide key atomic