diff options
Diffstat (limited to 'src/core/core_cpu.cpp')
-rw-r--r-- | src/core/core_cpu.cpp | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/core/core_cpu.cpp b/src/core/core_cpu.cpp deleted file mode 100644 index 630cd4feb..000000000 --- a/src/core/core_cpu.cpp +++ /dev/null @@ -1,127 +0,0 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <condition_variable> -#include <mutex> - -#include "common/logging/log.h" -#ifdef ARCHITECTURE_x86_64 -#include "core/arm/dynarmic/arm_dynarmic.h" -#endif -#include "core/arm/exclusive_monitor.h" -#include "core/arm/unicorn/arm_unicorn.h" -#include "core/core.h" -#include "core/core_cpu.h" -#include "core/core_timing.h" -#include "core/hle/kernel/scheduler.h" -#include "core/hle/kernel/thread.h" -#include "core/hle/lock.h" -#include "core/settings.h" - -namespace Core { - -void CpuBarrier::NotifyEnd() { - std::unique_lock lock{mutex}; - end = true; - condition.notify_all(); -} - -bool CpuBarrier::Rendezvous() { - if (!Settings::values.use_multi_core) { - // Meaningless when running in single-core mode - return true; - } - - if (!end) { - std::unique_lock lock{mutex}; - - --cores_waiting; - if (!cores_waiting) { - cores_waiting = NUM_CPU_CORES; - condition.notify_all(); - return true; - } - - condition.wait(lock); - return true; - } - - return false; -} - -Cpu::Cpu(System& system, ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_barrier, - std::size_t core_index) - : cpu_barrier{cpu_barrier}, global_scheduler{system.GlobalScheduler()}, - core_timing{system.CoreTiming()}, core_index{core_index} { -#ifdef ARCHITECTURE_x86_64 - arm_interface = std::make_unique<ARM_Dynarmic>(system, exclusive_monitor, core_index); -#else - arm_interface = std::make_unique<ARM_Unicorn>(system); - LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available"); -#endif - - scheduler = std::make_unique<Kernel::Scheduler>(system, *arm_interface, core_index); -} - -Cpu::~Cpu() = default; - -std::unique_ptr<ExclusiveMonitor> Cpu::MakeExclusiveMonitor( - [[maybe_unused]] Memory::Memory& memory, [[maybe_unused]] std::size_t num_cores) { -#ifdef ARCHITECTURE_x86_64 - return std::make_unique<DynarmicExclusiveMonitor>(memory, num_cores); -#else - // TODO(merry): Passthrough exclusive monitor - return nullptr; -#endif -} - -void Cpu::RunLoop(bool tight_loop) { - // Wait for all other CPU cores to complete the previous slice, such that they run in lock-step - if (!cpu_barrier.Rendezvous()) { - // If rendezvous failed, session has been killed - return; - } - - Reschedule(); - - // If we don't have a currently active thread then don't execute instructions, - // instead advance to the next event and try to yield to the next thread - if (Kernel::GetCurrentThread() == nullptr) { - LOG_TRACE(Core, "Core-{} idling", core_index); - core_timing.Idle(); - } else { - if (tight_loop) { - arm_interface->Run(); - } else { - arm_interface->Step(); - } - // We are stopping a run, exclusive state must be cleared - arm_interface->ClearExclusiveState(); - } - core_timing.Advance(); - - Reschedule(); -} - -void Cpu::SingleStep() { - return RunLoop(false); -} - -void Cpu::PrepareReschedule() { - arm_interface->PrepareReschedule(); -} - -void Cpu::Reschedule() { - // Lock the global kernel mutex when we manipulate the HLE state - std::lock_guard lock(HLE::g_hle_lock); - - global_scheduler.SelectThread(core_index); - scheduler->TryDoContextSwitch(); -} - -void Cpu::Shutdown() { - scheduler->Shutdown(); -} - -} // namespace Core |