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Merge pull request #751 from Subv/tpidr_el0

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CPU: Save and restore the TPIDR_EL0 system register on every context switch
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bunnei 2018-07-21 10:48:30 -07:00 • committed by GitHub
commit fe2498a650
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8 changed files with 39 additions and 0 deletions
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3
src/core/hle/kernel/scheduler.cpp
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@ -56,6 +56,8 @@ void Scheduler::SwitchContext(Thread* new_thread) {
if (previous_thread) {
previous_thread->last_running_ticks = CoreTiming::GetTicks();
cpu_core->SaveContext(previous_thread->context);
// Save the TPIDR_EL0 system register in case it was modified.
previous_thread->tpidr_el0 = cpu_core->GetTPIDR_EL0();
if (previous_thread->status == ThreadStatus::Running) {
// This is only the case when a reschedule is triggered without the current thread
@ -87,6 +89,7 @@ void Scheduler::SwitchContext(Thread* new_thread) {
cpu_core->LoadContext(new_thread->context);
cpu_core->SetTlsAddress(new_thread->GetTLSAddress());
cpu_core->SetTPIDR_EL0(new_thread->GetTPIDR_EL0());
cpu_core->ClearExclusiveState();
} else {
current_thread = nullptr;