44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/hle/kernel/k_interrupt_manager.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/k_scheduler.h"
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#include "core/hle/kernel/k_thread.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/physical_core.h"
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namespace Kernel::KInterruptManager {
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void HandleInterrupt(KernelCore& kernel, s32 core_id) {
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// Acknowledge the interrupt.
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kernel.PhysicalCore(core_id).ClearInterrupt();
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auto& current_thread = GetCurrentThread(kernel);
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if (auto* process = kernel.CurrentProcess(); process) {
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// If the user disable count is set, we may need to pin the current thread.
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if (current_thread.GetUserDisableCount() && !process->GetPinnedThread(core_id)) {
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KScopedSchedulerLock sl{kernel};
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// Pin the current thread.
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process->PinCurrentThread(core_id);
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// Set the interrupt flag for the thread.
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GetCurrentThread(kernel).SetInterruptFlag();
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}
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}
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// Request interrupt scheduling.
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kernel.CurrentScheduler()->RequestScheduleOnInterrupt();
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}
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void SendInterProcessorInterrupt(KernelCore& kernel, u64 core_mask) {
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for (std::size_t core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; ++core_id) {
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if (core_mask & (1ULL << core_id)) {
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kernel.PhysicalCore(core_id).Interrupt();
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}
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}
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}
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} // namespace Kernel::KInterruptManager
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