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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/settings.h"
#include "core/arm/dynarmic/arm_dynarmic_32.h"
#include "core/arm/dynarmic/arm_dynarmic_64.h"
#ifdef ARCHITECTURE_arm64
#include "core/arm/nce/arm_nce.h"
#endif
#include "core/core.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/physical_core.h"
namespace Kernel {
PhysicalCore::PhysicalCore(std::size_t core_index, Core::System& system, KScheduler& scheduler)
: m_core_index{core_index}, m_system{system}, m_scheduler{scheduler} {
#if defined(ARCHITECTURE_x86_64) || defined(ARCHITECTURE_arm64)
// TODO(bunnei): Initialization relies on a core being available. We may later replace this with
// an NCE interface or a 32-bit instance of Dynarmic. This should be abstracted out to a CPU
// manager.
auto& kernel = system.Kernel();
m_arm_interface = std::make_unique<Core::ARM_Dynarmic_64>(
system, kernel.IsMulticore(),
reinterpret_cast<Core::DynarmicExclusiveMonitor&>(kernel.GetExclusiveMonitor()),
m_core_index);
#else
#error Platform not supported yet.
#endif
}
PhysicalCore::~PhysicalCore() = default;
void PhysicalCore::Initialize(bool is_64_bit) {
#if defined(ARCHITECTURE_arm64)
if (Settings::IsNceEnabled()) {
m_arm_interface = std::make_unique<Core::ARM_NCE>(m_system, m_system.Kernel().IsMulticore(),
m_core_index);
return;
}
#endif
#if defined(ARCHITECTURE_x86_64) || defined(ARCHITECTURE_arm64)
auto& kernel = m_system.Kernel();
if (!is_64_bit) {
// We already initialized a 64-bit core, replace with a 32-bit one.
m_arm_interface = std::make_unique<Core::ARM_Dynarmic_32>(
m_system, kernel.IsMulticore(),
reinterpret_cast<Core::DynarmicExclusiveMonitor&>(kernel.GetExclusiveMonitor()),
m_core_index);
}
#else
#error Platform not supported yet.
#endif
}
void PhysicalCore::Run() {
m_arm_interface->Run();
m_arm_interface->ClearExclusiveState();
}
void PhysicalCore::Idle() {
std::unique_lock lk{m_guard};
m_on_interrupt.wait(lk, [this] { return m_is_interrupted; });
}
bool PhysicalCore::IsInterrupted() const {
return m_is_interrupted;
}
void PhysicalCore::Interrupt() {
std::unique_lock lk{m_guard};
m_is_interrupted = true;
m_arm_interface->SignalInterrupt();
m_on_interrupt.notify_all();
}
void PhysicalCore::ClearInterrupt() {
std::unique_lock lk{m_guard};
m_is_interrupted = false;
m_arm_interface->ClearInterrupt();
}
} // namespace Kernel
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