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-rw-r--r--src/core/cpu_manager.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp
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+++ b/src/core/cpu_manager.cpp
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+// 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