71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/spin_lock.h"
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#include "core/arm/cpu_interrupt_handler.h"
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#include "core/arm/dynarmic/arm_dynarmic_32.h"
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#include "core/arm/dynarmic/arm_dynarmic_64.h"
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#include "core/core.h"
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#include "core/hle/kernel/k_scheduler.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 {
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PhysicalCore::PhysicalCore(std::size_t core_index_, Core::System& system_, KScheduler& scheduler_,
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Core::CPUInterrupts& interrupts_)
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: core_index{core_index_}, system{system_}, scheduler{scheduler_},
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interrupts{interrupts_}, guard{std::make_unique<Common::SpinLock>()} {
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#ifdef ARCHITECTURE_x86_64
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// TODO(bunnei): Initialization relies on a core being available. We may later replace this with
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// a 32-bit instance of Dynarmic. This should be abstracted out to a CPU manager.
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auto& kernel = system.Kernel();
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arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
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system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
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#else
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#error Platform not supported yet.
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#endif
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}
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PhysicalCore::~PhysicalCore() = default;
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void PhysicalCore::Initialize([[maybe_unused]] bool is_64_bit) {
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#ifdef ARCHITECTURE_x86_64
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auto& kernel = system.Kernel();
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if (!is_64_bit) {
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// We already initialized a 64-bit core, replace with a 32-bit one.
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arm_interface = std::make_unique<Core::ARM_Dynarmic_32>(
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system, interrupts, kernel.IsMulticore(), kernel.GetExclusiveMonitor(), core_index);
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}
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#else
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#error Platform not supported yet.
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#endif
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}
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void PhysicalCore::Run() {
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arm_interface->Run();
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}
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void PhysicalCore::Idle() {
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interrupts[core_index].AwaitInterrupt();
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}
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bool PhysicalCore::IsInterrupted() const {
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return interrupts[core_index].IsInterrupted();
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}
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void PhysicalCore::Interrupt() {
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guard->lock();
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interrupts[core_index].SetInterrupt(true);
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arm_interface->SignalInterrupt();
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guard->unlock();
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}
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void PhysicalCore::ClearInterrupt() {
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guard->lock();
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interrupts[core_index].SetInterrupt(false);
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guard->unlock();
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}
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} // namespace Kernel
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