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core: hle: kernel: k_scheduler: Improve Unload.

This commit is contained in:
bunnei 2021-08-06 23:12:47 -07:00
parent 7569d6774d
commit bedcf19710
1 changed files with 29 additions and 17 deletions
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46
src/core/hle/kernel/k_scheduler.cpp
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@ -650,6 +650,7 @@ void KScheduler::RescheduleCurrentCore() {
if (state.needs_scheduling.load()) {
Schedule();
} else {
GetCurrentThread()->EnableDispatch();
guard.Unlock();
}
}
@ -659,26 +660,37 @@ void KScheduler::OnThreadStart() {
}
void KScheduler::Unload(KThread* thread) {
ASSERT(thread);
if (!thread) {
return;
}
LOG_TRACE(Kernel, "core {}, unload thread {}", core_id, thread ? thread->GetName() : "nullptr");
if (thread) {
if (thread->IsCallingSvc()) {
thread->ClearIsCallingSvc();
}
if (!thread->IsTerminationRequested()) {
prev_thread = thread;
Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
cpu_core.SaveContext(thread->GetContext32());
cpu_core.SaveContext(thread->GetContext64());
// Save the TPIDR_EL0 system register in case it was modified.
thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
cpu_core.ClearExclusiveState();
} else {
prev_thread = nullptr;
}
thread->context_guard.Unlock();
if (thread->IsCallingSvc()) {
thread->ClearIsCallingSvc();
}
auto& physical_core = system.Kernel().PhysicalCore(core_id);
if (!physical_core.IsInitialized()) {
return;
}
Core::ARM_Interface& cpu_core = physical_core.ArmInterface();
cpu_core.SaveContext(thread->GetContext32());
cpu_core.SaveContext(thread->GetContext64());
// Save the TPIDR_EL0 system register in case it was modified.
thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
cpu_core.ClearExclusiveState();
if (!thread->IsTerminationRequested() && thread->GetActiveCore() == core_id) {
prev_thread = thread;
} else {
prev_thread = nullptr;
}
thread->context_guard.Unlock();
}
void KScheduler::Reload(KThread* thread) {