diff options
Diffstat (limited to 'src/core/cpu_manager.cpp')
-rw-r--r-- | src/core/cpu_manager.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp new file mode 100644 index 000000000..752534868 --- /dev/null +++ b/src/core/cpu_manager.cpp @@ -0,0 +1,83 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" +#include "core/arm/exclusive_monitor.h" +#include "core/core.h" +#include "core/core_manager.h" +#include "core/core_timing.h" +#include "core/cpu_manager.h" +#include "core/gdbstub/gdbstub.h" +#include "core/settings.h" + +namespace Core { + +CpuManager::CpuManager(System& system) : system{system} {} +CpuManager::~CpuManager() = default; + +void CpuManager::Initialize() { + for (std::size_t index = 0; index < core_managers.size(); ++index) { + core_managers[index] = std::make_unique<CoreManager>(system, index); + } +} + +void CpuManager::Shutdown() { + for (auto& cpu_core : core_managers) { + cpu_core.reset(); + } +} + +CoreManager& CpuManager::GetCoreManager(std::size_t index) { + return *core_managers.at(index); +} + +const CoreManager& CpuManager::GetCoreManager(std::size_t index) const { + return *core_managers.at(index); +} + +CoreManager& CpuManager::GetCurrentCoreManager() { + // Otherwise, use single-threaded mode active_core variable + return *core_managers[active_core]; +} + +const CoreManager& CpuManager::GetCurrentCoreManager() const { + // Otherwise, use single-threaded mode active_core variable + return *core_managers[active_core]; +} + +void CpuManager::RunLoop(bool tight_loop) { + if (GDBStub::IsServerEnabled()) { + GDBStub::HandlePacket(); + + // If the loop is halted and we want to step, use a tiny (1) number of instructions to + // execute. Otherwise, get out of the loop function. + if (GDBStub::GetCpuHaltFlag()) { + if (GDBStub::GetCpuStepFlag()) { + tight_loop = false; + } else { + return; + } + } + } + + auto& core_timing = system.CoreTiming(); + core_timing.ResetRun(); + bool keep_running{}; + do { + keep_running = false; + for (active_core = 0; active_core < NUM_CPU_CORES; ++active_core) { + core_timing.SwitchContext(active_core); + if (core_timing.CanCurrentContextRun()) { + core_managers[active_core]->RunLoop(tight_loop); + } + keep_running |= core_timing.CanCurrentContextRun(); + } + } while (keep_running); + + if (GDBStub::IsServerEnabled()) { + GDBStub::SetCpuStepFlag(false); + } +} + +} // namespace Core |