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https://github.com/PabloMK7/citra.git
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Merge pull request #4371 from wwylele/kernel-global-3
Kernel: eliminate global state for threads and timers
This commit is contained in:
Weiyi Wang
GitHub
commit
445538c2cf
20 changed files with 250 additions and 235 deletions
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@ -51,7 +51,7 @@ std::size_t WaitTreeItem::Row() const {
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}
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std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() {
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const auto& threads = Kernel::GetThreadList();
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const auto& threads = Core::System::GetInstance().Kernel().GetThreadManager().GetThreadList();
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std::vector<std::unique_ptr<WaitTreeThread>> item_list;
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item_list.reserve(threads.size());
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for (std::size_t i = 0; i < threads.size(); ++i) {
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@ -134,7 +134,8 @@ public:
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if (GDBStub::IsConnected()) {
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parent.jit->HaltExecution();
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parent.SetPC(pc);
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Kernel::Thread* thread = Kernel::GetCurrentThread();
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Kernel::Thread* thread =
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Core::System::GetInstance().Kernel().GetThreadManager().GetCurrentThread();
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parent.SaveContext(thread->context);
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GDBStub::Break();
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GDBStub::SendTrap(thread, 5);
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@ -604,7 +604,8 @@ void ARMul_State::ServeBreak() {
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if (last_bkpt_hit) {
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Reg[15] = last_bkpt.address;
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}
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Kernel::Thread* thread = Kernel::GetCurrentThread();
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Kernel::Thread* thread =
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Core::System::GetInstance().Kernel().GetThreadManager().GetCurrentThread();
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Core::CPU().SaveContext(thread->context);
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if (last_bkpt_hit || GDBStub::GetCpuStepFlag()) {
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last_bkpt_hit = false;
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@ -59,7 +59,7 @@ System::ResultStatus System::RunLoop(bool tight_loop) {
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// If we don't have a currently active thread then don't execute instructions,
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// instead advance to the next event and try to yield to the next thread
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if (Kernel::GetCurrentThread() == nullptr) {
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if (kernel->GetThreadManager().GetCurrentThread() == nullptr) {
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LOG_TRACE(Core_ARM11, "Idling");
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CoreTiming::Idle();
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CoreTiming::Advance();
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@ -164,7 +164,7 @@ void System::Reschedule() {
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}
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reschedule_pending = false;
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Kernel::Reschedule();
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kernel->GetThreadManager().Reschedule();
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}
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System::ResultStatus System::Init(EmuWindow& emu_window, u32 system_mode) {
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@ -160,7 +160,7 @@ BreakpointMap breakpoints_write;
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} // Anonymous namespace
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static Kernel::Thread* FindThreadById(int id) {
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const auto& threads = Kernel::GetThreadList();
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const auto& threads = Core::System::GetInstance().Kernel().GetThreadManager().GetThreadList();
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for (auto& thread : threads) {
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if (thread->GetThreadId() == static_cast<u32>(id)) {
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return thread.get();
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@ -535,7 +535,8 @@ static void HandleQuery() {
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SendReply(target_xml);
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} else if (strncmp(query, "fThreadInfo", strlen("fThreadInfo")) == 0) {
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std::string val = "m";
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const auto& threads = Kernel::GetThreadList();
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const auto& threads =
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Core::System::GetInstance().Kernel().GetThreadManager().GetThreadList();
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for (const auto& thread : threads) {
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val += fmt::format("{:x},", thread->GetThreadId());
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}
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@ -547,7 +548,8 @@ static void HandleQuery() {
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std::string buffer;
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buffer += "l<?xml version=\"1.0\"?>";
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buffer += "<threads>";
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const auto& threads = Kernel::GetThreadList();
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const auto& threads =
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Core::System::GetInstance().Kernel().GetThreadManager().GetThreadList();
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for (const auto& thread : threads) {
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buffer += fmt::format(R"*(<thread id="{:x}" name="Thread {:x}"></thread>)*",
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thread->GetThreadId(), thread->GetThreadId());
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@ -9,27 +9,6 @@
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#include "core/hle/kernel/thread.h"
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#include "core/memory.h"
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namespace Kernel {
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/// Offset into command buffer of header
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static const int kCommandHeaderOffset = 0x80;
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/**
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* Returns a pointer to the command buffer in the current thread's TLS
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* TODO(Subv): This is not entirely correct, the command buffer should be copied from
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* the thread's TLS to an intermediate buffer in kernel memory, and then copied again to
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* the service handler process' memory.
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* @param offset Optional offset into command buffer
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* @param offset Optional offset into command buffer (in bytes)
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* @return Pointer to command buffer
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*/
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inline u32* GetCommandBuffer(const int offset = 0) {
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return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset +
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offset);
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}
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} // namespace Kernel
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namespace IPC {
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/// Size of the command buffer area, in 32-bit words.
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@ -72,7 +72,7 @@ bool HandleTable::IsValid(Handle handle) const {
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SharedPtr<Object> HandleTable::GetGeneric(Handle handle) const {
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if (handle == CurrentThread) {
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return GetCurrentThread();
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return kernel.GetThreadManager().GetCurrentThread();
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} else if (handle == CurrentProcess) {
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return kernel.GetCurrentProcess();
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}
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@ -124,8 +124,7 @@ private:
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/**
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* Class containing information about an in-flight IPC request being handled by an HLE service
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* implementation. Services should avoid using old global APIs (e.g. Kernel::GetCommandBuffer()) and
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* when possible use the APIs in this class to service the request.
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* implementation.
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*
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* HLE handle protocol
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* ===================
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@ -21,15 +21,12 @@ KernelSystem::KernelSystem(u32 system_mode) {
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Kernel::MemoryInit(system_mode);
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resource_limits = std::make_unique<ResourceLimitList>(*this);
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Kernel::ThreadingInit();
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Kernel::TimersInit();
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thread_manager = std::make_unique<ThreadManager>();
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timer_manager = std::make_unique<TimerManager>();
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}
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/// Shutdown the kernel
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KernelSystem::~KernelSystem() {
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Kernel::ThreadingShutdown();
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Kernel::TimersShutdown();
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Kernel::MemoryShutdown();
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}
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@ -53,4 +50,20 @@ void KernelSystem::SetCurrentProcess(SharedPtr<Process> process) {
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current_process = std::move(process);
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}
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ThreadManager& KernelSystem::GetThreadManager() {
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return *thread_manager;
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}
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const ThreadManager& KernelSystem::GetThreadManager() const {
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return *thread_manager;
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}
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TimerManager& KernelSystem::GetTimerManager() {
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return *timer_manager;
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}
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const TimerManager& KernelSystem::GetTimerManager() const {
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return *timer_manager;
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}
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} // namespace Kernel
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@ -28,6 +28,8 @@ class ClientSession;
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class ServerSession;
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class ResourceLimitList;
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class SharedMemory;
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class ThreadManager;
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class TimerManager;
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enum class ResetType {
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OneShot,
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@ -187,6 +189,12 @@ public:
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SharedPtr<Process> GetCurrentProcess() const;
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void SetCurrentProcess(SharedPtr<Process> process);
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ThreadManager& GetThreadManager();
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const ThreadManager& GetThreadManager() const;
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TimerManager& GetTimerManager();
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const TimerManager& GetTimerManager() const;
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private:
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std::unique_ptr<ResourceLimitList> resource_limits;
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std::atomic<u32> next_object_id{0};
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@ -199,6 +207,9 @@ private:
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std::vector<SharedPtr<Process>> process_list;
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SharedPtr<Process> current_process;
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std::unique_ptr<ThreadManager> thread_manager;
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std::unique_ptr<TimerManager> timer_manager;
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};
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} // namespace Kernel
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@ -36,7 +36,7 @@ SharedPtr<Mutex> KernelSystem::CreateMutex(bool initial_locked, std::string name
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// Acquire mutex with current thread if initialized as locked
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if (initial_locked)
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mutex->Acquire(GetCurrentThread());
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mutex->Acquire(thread_manager->GetCurrentThread());
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return mutex;
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}
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@ -145,7 +145,8 @@ static ResultCode ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 add
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}
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static void ExitProcess() {
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SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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SharedPtr<Process> current_process = kernel.GetCurrentProcess();
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LOG_INFO(Kernel_SVC, "Process {} exiting", current_process->process_id);
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ASSERT_MSG(current_process->status == ProcessStatus::Running, "Process has already exited");
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@ -153,12 +154,12 @@ static void ExitProcess() {
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current_process->status = ProcessStatus::Exited;
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// Stop all the process threads that are currently waiting for objects.
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auto& thread_list = GetThreadList();
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auto& thread_list = kernel.GetThreadManager().GetThreadList();
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for (auto& thread : thread_list) {
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if (thread->owner_process != current_process)
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continue;
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if (thread == GetCurrentThread())
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if (thread == kernel.GetThreadManager().GetCurrentThread())
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continue;
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// TODO(Subv): When are the other running/ready threads terminated?
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@ -170,7 +171,7 @@ static void ExitProcess() {
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}
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// Kill the current thread
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GetCurrentThread()->Stop();
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kernel.GetThreadManager().GetCurrentThread()->Stop();
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Core::System::GetInstance().PrepareReschedule();
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}
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@ -254,9 +255,9 @@ static ResultCode ConnectToPort(Handle* out_handle, VAddr port_name_address) {
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/// Makes a blocking IPC call to an OS service.
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static ResultCode SendSyncRequest(Handle handle) {
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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SharedPtr<ClientSession> session =
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Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<ClientSession>(
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handle);
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kernel.GetCurrentProcess()->handle_table.Get<ClientSession>(handle);
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if (session == nullptr) {
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return ERR_INVALID_HANDLE;
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}
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@ -265,7 +266,7 @@ static ResultCode SendSyncRequest(Handle handle) {
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Core::System::GetInstance().PrepareReschedule();
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return session->SendSyncRequest(GetCurrentThread());
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return session->SendSyncRequest(kernel.GetThreadManager().GetCurrentThread());
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}
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/// Close a handle
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@ -276,10 +277,9 @@ static ResultCode CloseHandle(Handle handle) {
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/// Wait for a handle to synchronize, timeout after the specified nanoseconds
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static ResultCode WaitSynchronization1(Handle handle, s64 nano_seconds) {
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auto object =
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Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<WaitObject>(
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handle);
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Thread* thread = GetCurrentThread();
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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auto object = kernel.GetCurrentProcess()->handle_table.Get<WaitObject>(handle);
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Thread* thread = kernel.GetThreadManager().GetCurrentThread();
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if (object == nullptr)
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return ERR_INVALID_HANDLE;
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@ -331,7 +331,8 @@ static ResultCode WaitSynchronization1(Handle handle, s64 nano_seconds) {
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/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
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static ResultCode WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle_count,
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bool wait_all, s64 nano_seconds) {
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Thread* thread = GetCurrentThread();
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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Thread* thread = kernel.GetThreadManager().GetCurrentThread();
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if (!Memory::IsValidVirtualAddress(handles_address))
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return ERR_INVALID_POINTER;
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@ -349,9 +350,7 @@ static ResultCode WaitSynchronizationN(s32* out, VAddr handles_address, s32 hand
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for (int i = 0; i < handle_count; ++i) {
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Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
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auto object =
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Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<WaitObject>(
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handle);
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auto object = kernel.GetCurrentProcess()->handle_table.Get<WaitObject>(handle);
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if (object == nullptr)
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return ERR_INVALID_HANDLE;
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objects[i] = object;
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@ -515,7 +514,8 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
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using ObjectPtr = SharedPtr<WaitObject>;
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std::vector<ObjectPtr> objects(handle_count);
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SharedPtr<Process> current_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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SharedPtr<Process> current_process = kernel.GetCurrentProcess();
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for (int i = 0; i < handle_count; ++i) {
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Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
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@ -527,8 +527,9 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
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// We are also sending a command reply.
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// Do not send a reply if the command id in the command buffer is 0xFFFF.
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u32* cmd_buff = GetCommandBuffer();
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IPC::Header header{cmd_buff[0]};
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Thread* thread = kernel.GetThreadManager().GetCurrentThread();
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u32 cmd_buff_header = Memory::Read32(thread->GetCommandBufferAddress());
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IPC::Header header{cmd_buff_header};
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if (reply_target != 0 && header.command_id != 0xFFFF) {
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auto session = current_process->handle_table.Get<ServerSession>(reply_target);
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if (session == nullptr)
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@ -546,11 +547,11 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
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return ERR_SESSION_CLOSED_BY_REMOTE;
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}
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VAddr source_address = GetCurrentThread()->GetCommandBufferAddress();
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VAddr source_address = thread->GetCommandBufferAddress();
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VAddr target_address = request_thread->GetCommandBufferAddress();
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ResultCode translation_result = TranslateCommandBuffer(
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Kernel::GetCurrentThread(), request_thread, source_address, target_address, true);
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ResultCode translation_result =
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TranslateCommandBuffer(thread, request_thread, source_address, target_address, true);
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// Note: The real kernel seems to always panic if the Server->Client buffer translation
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// fails for whatever reason.
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@ -570,8 +571,6 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
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return RESULT_SUCCESS;
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}
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auto thread = GetCurrentThread();
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// Find the first object that is acquirable in the provided list of objects
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auto itr = std::find_if(objects.begin(), objects.end(), [thread](const ObjectPtr& object) {
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return !object->ShouldWait(thread);
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@ -587,7 +586,7 @@ static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_
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return RESULT_SUCCESS;
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auto server_session = static_cast<ServerSession*>(object);
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return ReceiveIPCRequest(server_session, GetCurrentThread());
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return ReceiveIPCRequest(server_session, thread);
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}
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// No objects were ready to be acquired, prepare to suspend the thread.
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@ -644,14 +643,16 @@ static ResultCode ArbitrateAddress(Handle handle, u32 address, u32 type, u32 val
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LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}, address=0x{:08X}, type=0x{:08X}, value=0x{:08X}",
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handle, address, type, value);
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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SharedPtr<AddressArbiter> arbiter =
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Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<AddressArbiter>(
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handle);
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kernel.GetCurrentProcess()->handle_table.Get<AddressArbiter>(handle);
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if (arbiter == nullptr)
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return ERR_INVALID_HANDLE;
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auto res = arbiter->ArbitrateAddress(GetCurrentThread(), static_cast<ArbitrationType>(type),
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address, value, nanoseconds);
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auto res =
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arbiter->ArbitrateAddress(kernel.GetThreadManager().GetCurrentThread(),
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static_cast<ArbitrationType>(type), address, value, nanoseconds);
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// TODO(Subv): Identify in which specific cases this call should cause a reschedule.
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Core::System::GetInstance().PrepareReschedule();
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@ -808,7 +809,7 @@ static ResultCode CreateThread(Handle* out_handle, u32 priority, u32 entry_point
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static void ExitThread() {
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LOG_TRACE(Kernel_SVC, "called, pc=0x{:08X}", Core::CPU().GetPC());
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ExitCurrentThread();
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Core::System::GetInstance().Kernel().GetThreadManager().ExitCurrentThread();
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Core::System::GetInstance().PrepareReschedule();
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}
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@ -870,12 +871,13 @@ static ResultCode CreateMutex(Handle* out_handle, u32 initial_locked) {
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static ResultCode ReleaseMutex(Handle handle) {
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LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}", handle);
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SharedPtr<Mutex> mutex =
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Core::System::GetInstance().Kernel().GetCurrentProcess()->handle_table.Get<Mutex>(handle);
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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SharedPtr<Mutex> mutex = kernel.GetCurrentProcess()->handle_table.Get<Mutex>(handle);
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if (mutex == nullptr)
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return ERR_INVALID_HANDLE;
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return mutex->Release(GetCurrentThread());
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return mutex->Release(kernel.GetThreadManager().GetCurrentThread());
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}
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/// Get the ID of the specified process
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@ -1090,16 +1092,19 @@ static ResultCode CancelTimer(Handle handle) {
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static void SleepThread(s64 nanoseconds) {
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LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds);
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KernelSystem& kernel = Core::System::GetInstance().Kernel();
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ThreadManager& thread_manager = kernel.GetThreadManager();
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// Don't attempt to yield execution if there are no available threads to run,
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// this way we avoid a useless reschedule to the idle thread.
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if (nanoseconds == 0 && !HaveReadyThreads())
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if (nanoseconds == 0 && !thread_manager.HaveReadyThreads())
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return;
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// Sleep current thread and check for next thread to schedule
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WaitCurrentThread_Sleep();
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thread_manager.WaitCurrentThread_Sleep();
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|
||||
// Create an event to wake the thread up after the specified nanosecond delay has passed
|
||||
GetCurrentThread()->WakeAfterDelay(nanoseconds);
|
||||
thread_manager.GetCurrentThread()->WakeAfterDelay(nanoseconds);
|
||||
|
||||
Core::System::GetInstance().PrepareReschedule();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,11 +10,9 @@
|
|||
#include "common/common_types.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "common/math_util.h"
|
||||
#include "common/thread_queue_list.h"
|
||||
#include "core/arm/arm_interface.h"
|
||||
#include "core/arm/skyeye_common/armstate.h"
|
||||
#include "core/core.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/hle/kernel/errors.h"
|
||||
#include "core/hle/kernel/handle_table.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
|
|
@ -27,9 +25,6 @@
|
|||
|
||||
namespace Kernel {
|
||||
|
||||
/// Event type for the thread wake up event
|
||||
static CoreTiming::EventType* ThreadWakeupEventType = nullptr;
|
||||
|
||||
bool Thread::ShouldWait(Thread* thread) const {
|
||||
return status != ThreadStatus::Dead;
|
||||
}
|
||||
|
|
@ -38,43 +33,28 @@ void Thread::Acquire(Thread* thread) {
|
|||
ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
|
||||
}
|
||||
|
||||
static std::unordered_map<u64, Thread*> wakeup_callback_table;
|
||||
|
||||
// Lists all thread ids that aren't deleted/etc.
|
||||
static std::vector<SharedPtr<Thread>> thread_list;
|
||||
|
||||
// Lists only ready thread ids.
|
||||
static Common::ThreadQueueList<Thread*, ThreadPrioLowest + 1> ready_queue;
|
||||
|
||||
static SharedPtr<Thread> current_thread;
|
||||
|
||||
// The first available thread id at startup
|
||||
static u32 next_thread_id;
|
||||
|
||||
/**
|
||||
* Creates a new thread ID
|
||||
* @return The new thread ID
|
||||
*/
|
||||
inline static u32 const NewThreadId() {
|
||||
u32 ThreadManager::NewThreadId() {
|
||||
return next_thread_id++;
|
||||
}
|
||||
|
||||
Thread::Thread(KernelSystem& kernel) : WaitObject(kernel), context(Core::CPU().NewContext()) {}
|
||||
Thread::Thread(KernelSystem& kernel)
|
||||
: WaitObject(kernel), context(Core::CPU().NewContext()),
|
||||
thread_manager(kernel.GetThreadManager()) {}
|
||||
Thread::~Thread() {}
|
||||
|
||||
Thread* GetCurrentThread() {
|
||||
Thread* ThreadManager::GetCurrentThread() const {
|
||||
return current_thread.get();
|
||||
}
|
||||
|
||||
void Thread::Stop() {
|
||||
// Cancel any outstanding wakeup events for this thread
|
||||
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, thread_id);
|
||||
wakeup_callback_table.erase(thread_id);
|
||||
CoreTiming::UnscheduleEvent(thread_manager.ThreadWakeupEventType, thread_id);
|
||||
thread_manager.wakeup_callback_table.erase(thread_id);
|
||||
|
||||
// Clean up thread from ready queue
|
||||
// This is only needed when the thread is termintated forcefully (SVC TerminateProcess)
|
||||
if (status == ThreadStatus::Ready) {
|
||||
ready_queue.remove(current_priority, this);
|
||||
thread_manager.ready_queue.remove(current_priority, this);
|
||||
}
|
||||
|
||||
status = ThreadStatus::Dead;
|
||||
|
|
@ -97,11 +77,7 @@ void Thread::Stop() {
|
|||
owner_process->tls_slots[tls_page].reset(tls_slot);
|
||||
}
|
||||
|
||||
/**
|
||||
* Switches the CPU's active thread context to that of the specified thread
|
||||
* @param new_thread The thread to switch to
|
||||
*/
|
||||
static void SwitchContext(Thread* new_thread) {
|
||||
void ThreadManager::SwitchContext(Thread* new_thread) {
|
||||
Thread* previous_thread = GetCurrentThread();
|
||||
|
||||
// Save context for previous thread
|
||||
|
|
@ -146,11 +122,7 @@ static void SwitchContext(Thread* new_thread) {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Pops and returns the next thread from the thread queue
|
||||
* @return A pointer to the next ready thread
|
||||
*/
|
||||
static Thread* PopNextReadyThread() {
|
||||
Thread* ThreadManager::PopNextReadyThread() {
|
||||
Thread* next;
|
||||
Thread* thread = GetCurrentThread();
|
||||
|
||||
|
|
@ -169,24 +141,19 @@ static Thread* PopNextReadyThread() {
|
|||
return next;
|
||||
}
|
||||
|
||||
void WaitCurrentThread_Sleep() {
|
||||
void ThreadManager::WaitCurrentThread_Sleep() {
|
||||
Thread* thread = GetCurrentThread();
|
||||
thread->status = ThreadStatus::WaitSleep;
|
||||
}
|
||||
|
||||
void ExitCurrentThread() {
|
||||
void ThreadManager::ExitCurrentThread() {
|
||||
Thread* thread = GetCurrentThread();
|
||||
thread->Stop();
|
||||
thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
|
||||
thread_list.end());
|
||||
}
|
||||
|
||||
/**
|
||||
* Callback that will wake up the thread it was scheduled for
|
||||
* @param thread_id The ID of the thread that's been awoken
|
||||
* @param cycles_late The number of CPU cycles that have passed since the desired wakeup time
|
||||
*/
|
||||
static void ThreadWakeupCallback(u64 thread_id, s64 cycles_late) {
|
||||
void ThreadManager::ThreadWakeupCallback(u64 thread_id, s64 cycles_late) {
|
||||
SharedPtr<Thread> thread = wakeup_callback_table.at(thread_id);
|
||||
if (thread == nullptr) {
|
||||
LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", thread_id);
|
||||
|
|
@ -215,7 +182,8 @@ void Thread::WakeAfterDelay(s64 nanoseconds) {
|
|||
if (nanoseconds == -1)
|
||||
return;
|
||||
|
||||
CoreTiming::ScheduleEvent(nsToCycles(nanoseconds), ThreadWakeupEventType, thread_id);
|
||||
CoreTiming::ScheduleEvent(nsToCycles(nanoseconds), thread_manager.ThreadWakeupEventType,
|
||||
thread_id);
|
||||
}
|
||||
|
||||
void Thread::ResumeFromWait() {
|
||||
|
|
@ -251,15 +219,12 @@ void Thread::ResumeFromWait() {
|
|||
|
||||
wakeup_callback = nullptr;
|
||||
|
||||
ready_queue.push_back(current_priority, this);
|
||||
thread_manager.ready_queue.push_back(current_priority, this);
|
||||
status = ThreadStatus::Ready;
|
||||
Core::System::GetInstance().PrepareReschedule();
|
||||
}
|
||||
|
||||
/**
|
||||
* Prints the thread queue for debugging purposes
|
||||
*/
|
||||
static void DebugThreadQueue() {
|
||||
void ThreadManager::DebugThreadQueue() {
|
||||
Thread* thread = GetCurrentThread();
|
||||
if (!thread) {
|
||||
LOG_DEBUG(Kernel, "Current: NO CURRENT THREAD");
|
||||
|
|
@ -343,10 +308,10 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
|
|||
|
||||
SharedPtr<Thread> thread(new Thread(*this));
|
||||
|
||||
thread_list.push_back(thread);
|
||||
ready_queue.prepare(priority);
|
||||
thread_manager->thread_list.push_back(thread);
|
||||
thread_manager->ready_queue.prepare(priority);
|
||||
|
||||
thread->thread_id = NewThreadId();
|
||||
thread->thread_id = thread_manager->NewThreadId();
|
||||
thread->status = ThreadStatus::Dormant;
|
||||
thread->entry_point = entry_point;
|
||||
thread->stack_top = stack_top;
|
||||
|
|
@ -356,7 +321,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
|
|||
thread->wait_objects.clear();
|
||||
thread->wait_address = 0;
|
||||
thread->name = std::move(name);
|
||||
wakeup_callback_table[thread->thread_id] = thread.get();
|
||||
thread_manager->wakeup_callback_table[thread->thread_id] = thread.get();
|
||||
thread->owner_process = &owner_process;
|
||||
|
||||
// Find the next available TLS index, and mark it as used
|
||||
|
|
@ -405,7 +370,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
|
|||
// to initialize the context
|
||||
ResetThreadContext(thread->context, stack_top, entry_point, arg);
|
||||
|
||||
ready_queue.push_back(thread->current_priority, thread.get());
|
||||
thread_manager->ready_queue.push_back(thread->current_priority, thread.get());
|
||||
thread->status = ThreadStatus::Ready;
|
||||
|
||||
return MakeResult<SharedPtr<Thread>>(std::move(thread));
|
||||
|
|
@ -416,9 +381,9 @@ void Thread::SetPriority(u32 priority) {
|
|||
"Invalid priority value.");
|
||||
// If thread was ready, adjust queues
|
||||
if (status == ThreadStatus::Ready)
|
||||
ready_queue.move(this, current_priority, priority);
|
||||
thread_manager.ready_queue.move(this, current_priority, priority);
|
||||
else
|
||||
ready_queue.prepare(priority);
|
||||
thread_manager.ready_queue.prepare(priority);
|
||||
|
||||
nominal_priority = current_priority = priority;
|
||||
}
|
||||
|
|
@ -435,9 +400,9 @@ void Thread::UpdatePriority() {
|
|||
void Thread::BoostPriority(u32 priority) {
|
||||
// If thread was ready, adjust queues
|
||||
if (status == ThreadStatus::Ready)
|
||||
ready_queue.move(this, current_priority, priority);
|
||||
thread_manager.ready_queue.move(this, current_priority, priority);
|
||||
else
|
||||
ready_queue.prepare(priority);
|
||||
thread_manager.ready_queue.prepare(priority);
|
||||
current_priority = priority;
|
||||
}
|
||||
|
||||
|
|
@ -457,11 +422,11 @@ SharedPtr<Thread> SetupMainThread(KernelSystem& kernel, u32 entry_point, u32 pri
|
|||
return thread;
|
||||
}
|
||||
|
||||
bool HaveReadyThreads() {
|
||||
bool ThreadManager::HaveReadyThreads() {
|
||||
return ready_queue.get_first() != nullptr;
|
||||
}
|
||||
|
||||
void Reschedule() {
|
||||
void ThreadManager::Reschedule() {
|
||||
Thread* cur = GetCurrentThread();
|
||||
Thread* next = PopNextReadyThread();
|
||||
|
||||
|
|
@ -496,26 +461,20 @@ VAddr Thread::GetCommandBufferAddress() const {
|
|||
return GetTLSAddress() + CommandHeaderOffset;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
void ThreadingInit() {
|
||||
ThreadWakeupEventType = CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
|
||||
|
||||
current_thread = nullptr;
|
||||
next_thread_id = 1;
|
||||
ThreadManager::ThreadManager() {
|
||||
ThreadWakeupEventType =
|
||||
CoreTiming::RegisterEvent("ThreadWakeupCallback", [this](u64 thread_id, s64 cycle_late) {
|
||||
ThreadWakeupCallback(thread_id, cycle_late);
|
||||
});
|
||||
}
|
||||
|
||||
void ThreadingShutdown() {
|
||||
current_thread = nullptr;
|
||||
|
||||
ThreadManager::~ThreadManager() {
|
||||
for (auto& t : thread_list) {
|
||||
t->Stop();
|
||||
}
|
||||
thread_list.clear();
|
||||
ready_queue.clear();
|
||||
}
|
||||
|
||||
const std::vector<SharedPtr<Thread>>& GetThreadList() {
|
||||
const std::vector<SharedPtr<Thread>>& ThreadManager::GetThreadList() {
|
||||
return thread_list;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -10,7 +10,9 @@
|
|||
#include <boost/container/flat_map.hpp>
|
||||
#include <boost/container/flat_set.hpp>
|
||||
#include "common/common_types.h"
|
||||
#include "common/thread_queue_list.h"
|
||||
#include "core/arm/arm_interface.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
#include "core/hle/kernel/wait_object.h"
|
||||
#include "core/hle/result.h"
|
||||
|
|
@ -53,6 +55,87 @@ enum class ThreadWakeupReason {
|
|||
Timeout // The thread was woken up due to a wait timeout.
|
||||
};
|
||||
|
||||
class ThreadManager {
|
||||
public:
|
||||
ThreadManager();
|
||||
~ThreadManager();
|
||||
|
||||
/**
|
||||
* Creates a new thread ID
|
||||
* @return The new thread ID
|
||||
*/
|
||||
u32 NewThreadId();
|
||||
|
||||
/**
|
||||
* Gets the current thread
|
||||
*/
|
||||
Thread* GetCurrentThread() const;
|
||||
|
||||
/**
|
||||
* Reschedules to the next available thread (call after current thread is suspended)
|
||||
*/
|
||||
void Reschedule();
|
||||
|
||||
/**
|
||||
* Prints the thread queue for debugging purposes
|
||||
*/
|
||||
void DebugThreadQueue();
|
||||
|
||||
/**
|
||||
* Returns whether there are any threads that are ready to run.
|
||||
*/
|
||||
bool HaveReadyThreads();
|
||||
|
||||
/**
|
||||
* Waits the current thread on a sleep
|
||||
*/
|
||||
void WaitCurrentThread_Sleep();
|
||||
|
||||
/**
|
||||
* Stops the current thread and removes it from the thread_list
|
||||
*/
|
||||
void ExitCurrentThread();
|
||||
|
||||
/**
|
||||
* Get a const reference to the thread list for debug use
|
||||
*/
|
||||
const std::vector<SharedPtr<Thread>>& GetThreadList();
|
||||
|
||||
private:
|
||||
/**
|
||||
* Switches the CPU's active thread context to that of the specified thread
|
||||
* @param new_thread The thread to switch to
|
||||
*/
|
||||
void SwitchContext(Thread* new_thread);
|
||||
|
||||
/**
|
||||
* Pops and returns the next thread from the thread queue
|
||||
* @return A pointer to the next ready thread
|
||||
*/
|
||||
Thread* PopNextReadyThread();
|
||||
|
||||
/**
|
||||
* Callback that will wake up the thread it was scheduled for
|
||||
* @param thread_id The ID of the thread that's been awoken
|
||||
* @param cycles_late The number of CPU cycles that have passed since the desired wakeup time
|
||||
*/
|
||||
void ThreadWakeupCallback(u64 thread_id, s64 cycles_late);
|
||||
|
||||
u32 next_thread_id = 1;
|
||||
SharedPtr<Thread> current_thread;
|
||||
Common::ThreadQueueList<Thread*, ThreadPrioLowest + 1> ready_queue;
|
||||
std::unordered_map<u64, Thread*> wakeup_callback_table;
|
||||
|
||||
/// Event type for the thread wake up event
|
||||
CoreTiming::EventType* ThreadWakeupEventType = nullptr;
|
||||
|
||||
// Lists all threadsthat aren't deleted.
|
||||
std::vector<SharedPtr<Thread>> thread_list;
|
||||
|
||||
friend class Thread;
|
||||
friend class KernelSystem;
|
||||
};
|
||||
|
||||
class Thread final : public WaitObject {
|
||||
public:
|
||||
std::string GetName() const override {
|
||||
|
|
@ -210,6 +293,8 @@ private:
|
|||
explicit Thread(KernelSystem&);
|
||||
~Thread() override;
|
||||
|
||||
ThreadManager& thread_manager;
|
||||
|
||||
friend class KernelSystem;
|
||||
};
|
||||
|
||||
|
|
@ -224,56 +309,4 @@ private:
|
|||
SharedPtr<Thread> SetupMainThread(KernelSystem& kernel, u32 entry_point, u32 priority,
|
||||
SharedPtr<Process> owner_process);
|
||||
|
||||
/**
|
||||
* Returns whether there are any threads that are ready to run.
|
||||
*/
|
||||
bool HaveReadyThreads();
|
||||
|
||||
/**
|
||||
* Reschedules to the next available thread (call after current thread is suspended)
|
||||
*/
|
||||
void Reschedule();
|
||||
|
||||
/**
|
||||
* Arbitrate the highest priority thread that is waiting
|
||||
* @param address The address for which waiting threads should be arbitrated
|
||||
*/
|
||||
Thread* ArbitrateHighestPriorityThread(u32 address);
|
||||
|
||||
/**
|
||||
* Arbitrate all threads currently waiting.
|
||||
* @param address The address for which waiting threads should be arbitrated
|
||||
*/
|
||||
void ArbitrateAllThreads(u32 address);
|
||||
|
||||
/**
|
||||
* Gets the current thread
|
||||
*/
|
||||
Thread* GetCurrentThread();
|
||||
|
||||
/**
|
||||
* Waits the current thread on a sleep
|
||||
*/
|
||||
void WaitCurrentThread_Sleep();
|
||||
|
||||
/**
|
||||
* Stops the current thread and removes it from the thread_list
|
||||
*/
|
||||
void ExitCurrentThread();
|
||||
|
||||
/**
|
||||
* Initialize threading
|
||||
*/
|
||||
void ThreadingInit();
|
||||
|
||||
/**
|
||||
* Shutdown threading
|
||||
*/
|
||||
void ThreadingShutdown();
|
||||
|
||||
/**
|
||||
* Get a const reference to the thread list for debug use
|
||||
*/
|
||||
const std::vector<SharedPtr<Thread>>& GetThreadList();
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
|
|||
|
|
@ -6,7 +6,6 @@
|
|||
#include <unordered_map>
|
||||
#include "common/assert.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/hle/kernel/handle_table.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
#include "core/hle/kernel/thread.h"
|
||||
|
|
@ -14,16 +13,10 @@
|
|||
|
||||
namespace Kernel {
|
||||
|
||||
/// The event type of the generic timer callback event
|
||||
static CoreTiming::EventType* timer_callback_event_type = nullptr;
|
||||
|
||||
static u64 next_timer_callback_id;
|
||||
static std::unordered_map<u64, Timer*> timer_callback_table;
|
||||
|
||||
Timer::Timer(KernelSystem& kernel) : WaitObject(kernel) {}
|
||||
Timer::Timer(KernelSystem& kernel) : WaitObject(kernel), timer_manager(kernel.GetTimerManager()) {}
|
||||
Timer::~Timer() {
|
||||
Cancel();
|
||||
timer_callback_table.erase(callback_id);
|
||||
timer_manager.timer_callback_table.erase(callback_id);
|
||||
}
|
||||
|
||||
SharedPtr<Timer> KernelSystem::CreateTimer(ResetType reset_type, std::string name) {
|
||||
|
|
@ -34,8 +27,8 @@ SharedPtr<Timer> KernelSystem::CreateTimer(ResetType reset_type, std::string nam
|
|||
timer->name = std::move(name);
|
||||
timer->initial_delay = 0;
|
||||
timer->interval_delay = 0;
|
||||
timer->callback_id = ++next_timer_callback_id;
|
||||
timer_callback_table[timer->callback_id] = timer.get();
|
||||
timer->callback_id = ++timer_manager->next_timer_callback_id;
|
||||
timer_manager->timer_callback_table[timer->callback_id] = timer.get();
|
||||
|
||||
return timer;
|
||||
}
|
||||
|
|
@ -62,12 +55,13 @@ void Timer::Set(s64 initial, s64 interval) {
|
|||
// Immediately invoke the callback
|
||||
Signal(0);
|
||||
} else {
|
||||
CoreTiming::ScheduleEvent(nsToCycles(initial), timer_callback_event_type, callback_id);
|
||||
CoreTiming::ScheduleEvent(nsToCycles(initial), timer_manager.timer_callback_event_type,
|
||||
callback_id);
|
||||
}
|
||||
}
|
||||
|
||||
void Timer::Cancel() {
|
||||
CoreTiming::UnscheduleEvent(timer_callback_event_type, callback_id);
|
||||
CoreTiming::UnscheduleEvent(timer_manager.timer_callback_event_type, callback_id);
|
||||
}
|
||||
|
||||
void Timer::Clear() {
|
||||
|
|
@ -92,12 +86,12 @@ void Timer::Signal(s64 cycles_late) {
|
|||
if (interval_delay != 0) {
|
||||
// Reschedule the timer with the interval delay
|
||||
CoreTiming::ScheduleEvent(nsToCycles(interval_delay) - cycles_late,
|
||||
timer_callback_event_type, callback_id);
|
||||
timer_manager.timer_callback_event_type, callback_id);
|
||||
}
|
||||
}
|
||||
|
||||
/// The timer callback event, called when a timer is fired
|
||||
static void TimerCallback(u64 callback_id, s64 cycles_late) {
|
||||
void TimerManager::TimerCallback(u64 callback_id, s64 cycles_late) {
|
||||
SharedPtr<Timer> timer = timer_callback_table.at(callback_id);
|
||||
|
||||
if (timer == nullptr) {
|
||||
|
|
@ -108,12 +102,11 @@ static void TimerCallback(u64 callback_id, s64 cycles_late) {
|
|||
timer->Signal(cycles_late);
|
||||
}
|
||||
|
||||
void TimersInit() {
|
||||
next_timer_callback_id = 0;
|
||||
timer_callback_table.clear();
|
||||
timer_callback_event_type = CoreTiming::RegisterEvent("TimerCallback", TimerCallback);
|
||||
TimerManager::TimerManager() {
|
||||
timer_callback_event_type =
|
||||
CoreTiming::RegisterEvent("TimerCallback", [this](u64 thread_id, s64 cycle_late) {
|
||||
TimerCallback(thread_id, cycle_late);
|
||||
});
|
||||
}
|
||||
|
||||
void TimersShutdown() {}
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
|
|||
|
|
@ -5,11 +5,30 @@
|
|||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/hle/kernel/object.h"
|
||||
#include "core/hle/kernel/wait_object.h"
|
||||
|
||||
namespace Kernel {
|
||||
|
||||
class TimerManager {
|
||||
public:
|
||||
TimerManager();
|
||||
|
||||
private:
|
||||
/// The timer callback event, called when a timer is fired
|
||||
void TimerCallback(u64 callback_id, s64 cycles_late);
|
||||
|
||||
/// The event type of the generic timer callback event
|
||||
CoreTiming::EventType* timer_callback_event_type = nullptr;
|
||||
|
||||
u64 next_timer_callback_id = 0;
|
||||
std::unordered_map<u64, Timer*> timer_callback_table;
|
||||
|
||||
friend class Timer;
|
||||
friend class KernelSystem;
|
||||
};
|
||||
|
||||
class Timer final : public WaitObject {
|
||||
public:
|
||||
std::string GetTypeName() const override {
|
||||
|
|
@ -74,12 +93,9 @@ private:
|
|||
/// ID used as userdata to reference this object when inserting into the CoreTiming queue.
|
||||
u64 callback_id;
|
||||
|
||||
TimerManager& timer_manager;
|
||||
|
||||
friend class KernelSystem;
|
||||
};
|
||||
|
||||
/// Initializes the required variables for timers
|
||||
void TimersInit();
|
||||
/// Tears down the timer variables
|
||||
void TimersShutdown();
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
|
|||
|
|
@ -71,7 +71,8 @@ void File::Read(Kernel::HLERequestContext& ctx) {
|
|||
rb.PushMappedBuffer(buffer);
|
||||
|
||||
std::chrono::nanoseconds read_timeout_ns{backend->GetReadDelayNs(length)};
|
||||
ctx.SleepClientThread(Kernel::GetCurrentThread(), "file::read", read_timeout_ns,
|
||||
ctx.SleepClientThread(system.Kernel().GetThreadManager().GetCurrentThread(), "file::read",
|
||||
read_timeout_ns,
|
||||
[](Kernel::SharedPtr<Kernel::Thread> thread,
|
||||
Kernel::HLERequestContext& ctx, Kernel::ThreadWakeupReason reason) {
|
||||
// Nothing to do here
|
||||
|
|
|
|||
|
|
@ -1231,7 +1231,8 @@ void NWM_UDS::ConnectToNetwork(Kernel::HLERequestContext& ctx) {
|
|||
static constexpr std::chrono::nanoseconds UDSConnectionTimeout{300000000};
|
||||
|
||||
connection_event = ctx.SleepClientThread(
|
||||
Kernel::GetCurrentThread(), "uds::ConnectToNetwork", UDSConnectionTimeout,
|
||||
system.Kernel().GetThreadManager().GetCurrentThread(), "uds::ConnectToNetwork",
|
||||
UDSConnectionTimeout,
|
||||
[](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
|
||||
Kernel::ThreadWakeupReason reason) {
|
||||
// TODO(B3N30): Add error handling for host full and timeout
|
||||
|
|
|
|||
|
|
@ -179,7 +179,10 @@ void ServiceFrameworkBase::ReportUnimplementedFunction(u32* cmd_buf, const Funct
|
|||
}
|
||||
|
||||
void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_session) {
|
||||
u32* cmd_buf = Kernel::GetCommandBuffer();
|
||||
Kernel::KernelSystem& kernel = Core::System::GetInstance().Kernel();
|
||||
auto thread = kernel.GetThreadManager().GetCurrentThread();
|
||||
// TODO(wwylele): avoid GetPointer
|
||||
u32* cmd_buf = reinterpret_cast<u32*>(Memory::GetPointer(thread->GetCommandBufferAddress()));
|
||||
|
||||
u32 header_code = cmd_buf[0];
|
||||
auto itr = handlers.find(header_code);
|
||||
|
|
@ -188,8 +191,7 @@ void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_ses
|
|||
return ReportUnimplementedFunction(cmd_buf, info);
|
||||
}
|
||||
|
||||
Kernel::SharedPtr<Kernel::Process> current_process =
|
||||
Core::System::GetInstance().Kernel().GetCurrentProcess();
|
||||
Kernel::SharedPtr<Kernel::Process> current_process = kernel.GetCurrentProcess();
|
||||
|
||||
// TODO(yuriks): The kernel should be the one handling this as part of translation after
|
||||
// everything else is migrated
|
||||
|
|
@ -199,7 +201,6 @@ void ServiceFrameworkBase::HandleSyncRequest(SharedPtr<ServerSession> server_ses
|
|||
LOG_TRACE(Service, "{}", MakeFunctionString(info->name, GetServiceName().c_str(), cmd_buf));
|
||||
handler_invoker(this, info->handler_callback, context);
|
||||
|
||||
auto thread = Kernel::GetCurrentThread();
|
||||
ASSERT(thread->status == Kernel::ThreadStatus::Running ||
|
||||
thread->status == Kernel::ThreadStatus::WaitHleEvent);
|
||||
// Only write the response immediately if the thread is still running. If the HLE handler put
|
||||
|
|
|
|||
|
|
@ -128,8 +128,8 @@ void SRV::GetServiceHandle(Kernel::HLERequestContext& ctx) {
|
|||
if (wait_until_available && client_port.Code() == ERR_SERVICE_NOT_REGISTERED) {
|
||||
LOG_INFO(Service_SRV, "called service={} delayed", name);
|
||||
Kernel::SharedPtr<Kernel::Event> get_service_handle_event =
|
||||
ctx.SleepClientThread(Kernel::GetCurrentThread(), "GetServiceHandle",
|
||||
std::chrono::nanoseconds(-1), get_handle);
|
||||
ctx.SleepClientThread(system.Kernel().GetThreadManager().GetCurrentThread(),
|
||||
"GetServiceHandle", std::chrono::nanoseconds(-1), get_handle);
|
||||
get_service_handle_delayed_map[name] = std::move(get_service_handle_event);
|
||||
return;
|
||||
} else {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue