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