mirror of https://github.com/yuzu-emu/yuzu.git
45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#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"
|
|
#include "core/hle/kernel/physical_core.h"
|
|
|
|
namespace Kernel::KInterruptManager {
|
|
|
|
void HandleInterrupt(KernelCore& kernel, s32 core_id) {
|
|
// Acknowledge the interrupt.
|
|
kernel.PhysicalCore(core_id).ClearInterrupt();
|
|
|
|
auto& current_thread = GetCurrentThread(kernel);
|
|
|
|
if (auto* process = GetCurrentProcessPointer(kernel); process) {
|
|
// 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();
|
|
|
|
// Set the interrupt flag for the thread.
|
|
GetCurrentThread(kernel).SetInterruptFlag();
|
|
}
|
|
}
|
|
|
|
// Request interrupt scheduling.
|
|
kernel.CurrentScheduler()->RequestScheduleOnInterrupt();
|
|
}
|
|
|
|
void SendInterProcessorInterrupt(KernelCore& kernel, u64 core_mask) {
|
|
for (std::size_t core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; ++core_id) {
|
|
if (core_mask & (1ULL << core_id)) {
|
|
kernel.PhysicalCore(core_id).Interrupt();
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace Kernel::KInterruptManager
|