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kernel/process: Decouple TLS handling from threads

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Extracts out all of the thread local storage management from thread
instances themselves and makes the owning process handle the management
of the memory. This brings the memory management slightly more in line
with how the kernel handles these allocations.

Furthermore, this also makes the TLS page management a little more
readable compared to the lingering implementation that was carried over
from Citra.
This commit is contained in:
Lioncash 2019-06-05 14:32:33 -04:00
parent 30d4abdd7a
commit 89a030a376
4 changed files with 97 additions and 66 deletions
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4
src/core/hle/kernel/thread.cpp
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@ -65,7 +65,7 @@ void Thread::Stop() {
owner_process->UnregisterThread(this);
// Mark the TLS slot in the thread's page as free.
owner_process->FreeTLSSlot(tls_address);
owner_process->FreeTLSRegion(tls_address);
}
void Thread::WakeAfterDelay(s64 nanoseconds) {
@ -205,9 +205,9 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
thread->name = std::move(name);
thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
thread->owner_process = &owner_process;
thread->tls_address = thread->owner_process->CreateTLSRegion();
thread->scheduler = &system.Scheduler(processor_id);
thread->scheduler->AddThread(thread);
thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread);
thread->owner_process->RegisterThread(thread.get());