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kernel: scheduler: Minor cleanup to remove duplicated code.

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This commit is contained in:
bunnei 2020-11-18 16:52:47 -08:00
parent b7ef581c6e
commit 4b9e1b6586
2 changed files with 14 additions and 46 deletions
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58
src/core/hle/kernel/scheduler.cpp
View file

@ -618,8 +618,7 @@ void Scheduler::OnThreadStart() {
SwitchContextStep2();
}
void Scheduler::Unload() {
Thread* thread = current_thread.get();
void Scheduler::Unload(Thread* thread) {
if (thread) {
thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
thread->SetIsRunning(false);
@ -639,8 +638,11 @@ void Scheduler::Unload() {
}
}
void Scheduler::Reload() {
Thread* thread = current_thread.get();
void Scheduler::Unload() {
Unload(current_thread.get());
}
void Scheduler::Reload(Thread* thread) {
if (thread) {
ASSERT_MSG(thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
"Thread must be runnable.");
@ -665,30 +667,13 @@ void Scheduler::Reload() {
}
}
void Scheduler::Reload() {
Reload(current_thread.get());
}
void Scheduler::SwitchContextStep2() {
// Load context of new thread
if (selected_thread) {
ASSERT_MSG(selected_thread->GetSchedulingStatus() == ThreadSchedStatus::Runnable,
"Thread must be runnable.");
// Cancel any outstanding wakeup events for this thread
selected_thread->SetIsRunning(true);
selected_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
selected_thread->SetWasRunning(false);
auto* const thread_owner_process = current_thread->GetOwnerProcess();
if (thread_owner_process != nullptr) {
system.Kernel().MakeCurrentProcess(thread_owner_process);
}
if (!selected_thread->IsHLEThread()) {
Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
cpu_core.LoadContext(selected_thread->GetContext32());
cpu_core.LoadContext(selected_thread->GetContext64());
cpu_core.SetTlsAddress(selected_thread->GetTLSAddress());
cpu_core.SetTPIDR_EL0(selected_thread->GetTPIDR_EL0());
cpu_core.ClearExclusiveState();
}
}
Reload(selected_thread.get());
TryDoContextSwitch();
}
@ -712,26 +697,7 @@ void Scheduler::SwitchContext() {
UpdateLastContextSwitchTime(previous_thread, previous_process);
// Save context for previous thread
if (previous_thread) {
if (new_thread != nullptr && new_thread->IsSuspendThread()) {
previous_thread->SetWasRunning(true);
}
previous_thread->last_running_ticks = system.CoreTiming().GetCPUTicks();
previous_thread->SetIsRunning(false);
if (previous_thread->IsContinuousOnSVC() && !previous_thread->IsHLEThread()) {
system.ArmInterface(core_id).ExceptionalExit();
previous_thread->SetContinuousOnSVC(false);
}
if (!previous_thread->IsHLEThread() && !previous_thread->HasExited()) {
Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
cpu_core.SaveContext(previous_thread->GetContext32());
cpu_core.SaveContext(previous_thread->GetContext64());
// Save the TPIDR_EL0 system register in case it was modified.
previous_thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
cpu_core.ClearExclusiveState();
}
previous_thread->context_guard.unlock();
}
Unload(previous_thread);
std::shared_ptr<Common::Fiber>* old_context;
if (previous_thread != nullptr) {

2
src/core/hle/kernel/scheduler.h
View file

@ -212,8 +212,10 @@ public:
/// The next two are for SingleCore Only.
/// Unload current thread before preempting core.
void Unload(Thread* thread);
void Unload();
/// Reload current thread after core preemption.
void Reload(Thread* thread);
void Reload();
/// Gets the current running thread