yuzu/src/core/hle/kernel/k_interrupt_manager.cpp
bunnei 3a89723d97 core: hle: kernel: Implement thread pinning.
- We largely had the mechanics in place for thread pinning, this change hooks these up.
- Validated with tests https://github.com/Atmosphere-NX/Atmosphere/blob/master/tests/TestSvc/source/test_thread_pinning.cpp.
2021-12-30 15:50:45 -08:00

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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "core/hle/kernel/k_interrupt_manager.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
namespace Kernel::KInterruptManager {
void HandleInterrupt(KernelCore& kernel, s32 core_id) {
auto* process = kernel.CurrentProcess();
if (!process) {
return;
}
auto& scheduler = kernel.Scheduler(core_id);
auto& current_thread = *scheduler.GetCurrentThread();
// If the user disable count is set, we may need to pin the current thread.
if (current_thread.GetUserDisableCount() && !process->GetPinnedThread(core_id)) {
KScopedSchedulerLock sl{kernel};
// Pin the current thread.
process->PinCurrentThread(core_id);
// Set the interrupt flag for the thread.
scheduler.GetCurrentThread()->SetInterruptFlag();
}
}
} // namespace Kernel::KInterruptManager