cpu_manager: Mark function getters as static

All these do are return std::function instances of static functions, so
these can be used without an instance of the CPU manager.

src/core/cpu_manager.h

@@ -49,9 +49,9 @@ public:
 
     void Pause(bool paused);
 
-    std::function<void(void*)> GetGuestThreadStartFunc();
-    std::function<void(void*)> GetIdleThreadStartFunc();
-    std::function<void(void*)> GetSuspendThreadStartFunc();
+    static std::function<void(void*)> GetGuestThreadStartFunc();
+    static std::function<void(void*)> GetIdleThreadStartFunc();
+    static std::function<void(void*)> GetSuspendThreadStartFunc();
     void* GetStartFuncParamater();
 
     void PreemptSingleCore(bool from_running_enviroment = true);

src/core/hle/kernel/kernel.cpp

@@ -161,13 +161,14 @@ struct KernelCore::Impl {
     void InitializeSuspendThreads() {
         for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
             std::string name = "Suspend Thread Id:" + std::to_string(i);
-            std::function<void(void*)> init_func =
-                system.GetCpuManager().GetSuspendThreadStartFunc();
+            std::function<void(void*)> init_func = Core::CpuManager::GetSuspendThreadStartFunc();
             void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
-            ThreadType type =
+            const auto type =
                 static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_SUSPEND);
-            auto thread_res = Thread::Create(system, type, name, 0, 0, 0, static_cast<u32>(i), 0,
-                                             nullptr, std::move(init_func), init_func_parameter);
+            auto thread_res =
+                Thread::Create(system, type, std::move(name), 0, 0, 0, static_cast<u32>(i), 0,
+                               nullptr, std::move(init_func), init_func_parameter);
+
             suspend_threads[i] = std::move(thread_res).Unwrap();
         }
     }

src/core/hle/kernel/scheduler.cpp

@@ -802,7 +802,7 @@ void Scheduler::UpdateLastContextSwitchTime(Thread* thread, Process* process) {
 
 void Scheduler::Initialize() {
     std::string name = "Idle Thread Id:" + std::to_string(core_id);
-    std::function<void(void*)> init_func = system.GetCpuManager().GetIdleThreadStartFunc();
+    std::function<void(void*)> init_func = Core::CpuManager::GetIdleThreadStartFunc();
     void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
     ThreadType type = static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_IDLE);
     auto thread_res = Thread::Create(system, type, name, 0, 64, 0, static_cast<u32>(core_id), 0,

src/core/hle/kernel/thread.cpp

@@ -155,7 +155,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
                                                   std::string name, VAddr entry_point, u32 priority,
                                                   u64 arg, s32 processor_id, VAddr stack_top,
                                                   Process* owner_process) {
-    std::function<void(void*)> init_func = system.GetCpuManager().GetGuestThreadStartFunc();
+    std::function<void(void*)> init_func = Core::CpuManager::GetGuestThreadStartFunc();
     void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
     return Create(system, type_flags, name, entry_point, priority, arg, processor_id, stack_top,
                   owner_process, std::move(init_func), init_func_parameter);