mirror of
				https://github.com/PabloMK7/citra.git
				synced 2025-10-31 05:40:04 +00:00 
			
		
		
		
	Merge pull request #444 from yuriks/handle-reform2
Kernel Lifetime Reform Pt. 2
This commit is contained in:
		
						commit
						6ae12424df
					
				
					 25 changed files with 330 additions and 374 deletions
				
			
		|  | @ -13,6 +13,7 @@ | |||
| #include "core/core.h" | ||||
| #include "common/break_points.h" | ||||
| #include "common/symbols.h" | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/arm/skyeye_common/armdefs.h" | ||||
| #include "core/arm/disassembler/arm_disasm.h" | ||||
| 
 | ||||
|  |  | |||
|  | @ -7,7 +7,9 @@ | |||
| #include "common/common.h" | ||||
| #include "common/common_types.h" | ||||
| 
 | ||||
| #include "core/hle/svc.h" | ||||
| namespace Core { | ||||
|     struct ThreadContext; | ||||
| } | ||||
| 
 | ||||
| /// Generic ARM11 CPU interface
 | ||||
| class ARM_Interface : NonCopyable { | ||||
|  | @ -87,13 +89,13 @@ public: | |||
|      * Saves the current CPU context | ||||
|      * @param ctx Thread context to save | ||||
|      */ | ||||
|     virtual void SaveContext(ThreadContext& ctx) = 0; | ||||
|     virtual void SaveContext(Core::ThreadContext& ctx) = 0; | ||||
| 
 | ||||
|     /**
 | ||||
|      * Loads a CPU context | ||||
|      * @param ctx Thread context to load | ||||
|      */ | ||||
|     virtual void LoadContext(const ThreadContext& ctx) = 0; | ||||
|     virtual void LoadContext(const Core::ThreadContext& ctx) = 0; | ||||
| 
 | ||||
|     /// Prepare core for thread reschedule (if needed to correctly handle state)
 | ||||
|     virtual void PrepareReschedule() = 0; | ||||
|  |  | |||
|  | @ -9,6 +9,7 @@ | |||
| #include "core/arm/dyncom/arm_dyncom.h" | ||||
| #include "core/arm/dyncom/arm_dyncom_interpreter.h" | ||||
| 
 | ||||
| #include "core/core.h" | ||||
| #include "core/core_timing.h" | ||||
| 
 | ||||
| const static cpu_config_t s_arm11_cpu_info = { | ||||
|  | @ -94,7 +95,7 @@ void ARM_DynCom::ExecuteInstructions(int num_instructions) { | |||
|     AddTicks(ticks_executed); | ||||
| } | ||||
| 
 | ||||
| void ARM_DynCom::SaveContext(ThreadContext& ctx) { | ||||
| void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) { | ||||
|     memcpy(ctx.cpu_registers, state->Reg, sizeof(ctx.cpu_registers)); | ||||
|     memcpy(ctx.fpu_registers, state->ExtReg, sizeof(ctx.fpu_registers)); | ||||
| 
 | ||||
|  | @ -110,7 +111,7 @@ void ARM_DynCom::SaveContext(ThreadContext& ctx) { | |||
|     ctx.mode = state->NextInstr; | ||||
| } | ||||
| 
 | ||||
| void ARM_DynCom::LoadContext(const ThreadContext& ctx) { | ||||
| void ARM_DynCom::LoadContext(const Core::ThreadContext& ctx) { | ||||
|     memcpy(state->Reg, ctx.cpu_registers, sizeof(ctx.cpu_registers)); | ||||
|     memcpy(state->ExtReg, ctx.fpu_registers, sizeof(ctx.fpu_registers)); | ||||
| 
 | ||||
|  |  | |||
|  | @ -71,13 +71,13 @@ public: | |||
|      * Saves the current CPU context | ||||
|      * @param ctx Thread context to save | ||||
|      */ | ||||
|     void SaveContext(ThreadContext& ctx) override; | ||||
|     void SaveContext(Core::ThreadContext& ctx) override; | ||||
| 
 | ||||
|     /**
 | ||||
|      * Loads a CPU context | ||||
|      * @param ctx Thread context to load | ||||
|      */ | ||||
|     void LoadContext(const ThreadContext& ctx) override; | ||||
|     void LoadContext(const Core::ThreadContext& ctx) override; | ||||
| 
 | ||||
|     /// Prepare core for thread reschedule (if needed to correctly handle state)
 | ||||
|     void PrepareReschedule() override; | ||||
|  |  | |||
|  | @ -4,6 +4,8 @@ | |||
| 
 | ||||
| #include "core/arm/interpreter/arm_interpreter.h" | ||||
| 
 | ||||
| #include "core/core.h" | ||||
| 
 | ||||
| const static cpu_config_t arm11_cpu_info = { | ||||
|     "armv6", "arm11", 0x0007b000, 0x0007f000, NONCACHE | ||||
| }; | ||||
|  | @ -75,7 +77,7 @@ void ARM_Interpreter::ExecuteInstructions(int num_instructions) { | |||
|     ARMul_Emulate32(state); | ||||
| } | ||||
| 
 | ||||
| void ARM_Interpreter::SaveContext(ThreadContext& ctx) { | ||||
| void ARM_Interpreter::SaveContext(Core::ThreadContext& ctx) { | ||||
|     memcpy(ctx.cpu_registers, state->Reg, sizeof(ctx.cpu_registers)); | ||||
|     memcpy(ctx.fpu_registers, state->ExtReg, sizeof(ctx.fpu_registers)); | ||||
| 
 | ||||
|  | @ -91,7 +93,7 @@ void ARM_Interpreter::SaveContext(ThreadContext& ctx) { | |||
|     ctx.mode = state->NextInstr; | ||||
| } | ||||
| 
 | ||||
| void ARM_Interpreter::LoadContext(const ThreadContext& ctx) { | ||||
| void ARM_Interpreter::LoadContext(const Core::ThreadContext& ctx) { | ||||
|     memcpy(state->Reg, ctx.cpu_registers, sizeof(ctx.cpu_registers)); | ||||
|     memcpy(state->ExtReg, ctx.fpu_registers, sizeof(ctx.fpu_registers)); | ||||
| 
 | ||||
|  |  | |||
|  | @ -70,13 +70,13 @@ public: | |||
|      * Saves the current CPU context | ||||
|      * @param ctx Thread context to save | ||||
|      */ | ||||
|     void SaveContext(ThreadContext& ctx) override; | ||||
|     void SaveContext(Core::ThreadContext& ctx) override; | ||||
| 
 | ||||
|     /**
 | ||||
|      * Loads a CPU context | ||||
|      * @param ctx Thread context to load | ||||
|      */ | ||||
|     void LoadContext(const ThreadContext& ctx) override; | ||||
|     void LoadContext(const Core::ThreadContext& ctx) override; | ||||
| 
 | ||||
|     /// Prepare core for thread reschedule (if needed to correctly handle state)
 | ||||
|     void PrepareReschedule() override; | ||||
|  |  | |||
|  | @ -8,6 +8,7 @@ | |||
| #include "core/core_timing.h" | ||||
| 
 | ||||
| #include "core/settings.h" | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/arm/disassembler/arm_disasm.h" | ||||
| #include "core/arm/interpreter/arm_interpreter.h" | ||||
| #include "core/arm/dyncom/arm_dyncom.h" | ||||
|  | @ -24,7 +25,7 @@ ARM_Interface*     g_sys_core = nullptr;  ///< ARM11 system (OS) core | |||
| void RunLoop(int tight_loop) { | ||||
|     // If the current thread is an idle thread, then don't execute instructions,
 | ||||
|     // instead advance to the next event and try to yield to the next thread
 | ||||
|     if (Kernel::IsIdleThread(Kernel::GetCurrentThreadHandle())) { | ||||
|     if (Kernel::GetCurrentThread()->IsIdle()) { | ||||
|         LOG_TRACE(Core_ARM11, "Idling"); | ||||
|         CoreTiming::Idle(); | ||||
|         CoreTiming::Advance(); | ||||
|  |  | |||
|  | @ -4,8 +4,9 @@ | |||
| 
 | ||||
| #pragma once | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/arm/skyeye_common/armdefs.h" | ||||
| #include "common/common_types.h" | ||||
| 
 | ||||
| class ARM_Interface; | ||||
| 
 | ||||
| ////////////////////////////////////////////////////////////////////////////////////////////////////
 | ||||
| 
 | ||||
|  | @ -16,6 +17,21 @@ enum CPUCore { | |||
|     CPU_OldInterpreter, | ||||
| }; | ||||
| 
 | ||||
| struct ThreadContext { | ||||
|     u32 cpu_registers[13]; | ||||
|     u32 sp; | ||||
|     u32 lr; | ||||
|     u32 pc; | ||||
|     u32 cpsr; | ||||
|     u32 fpu_registers[32]; | ||||
|     u32 fpscr; | ||||
|     u32 fpexc; | ||||
| 
 | ||||
|     // These are not part of native ThreadContext, but needed by emu
 | ||||
|     u32 reg_15; | ||||
|     u32 mode; | ||||
| }; | ||||
| 
 | ||||
| extern ARM_Interface*   g_app_core;     ///< ARM11 application core
 | ||||
| extern ARM_Interface*   g_sys_core;     ///< ARM11 system (OS) core
 | ||||
| 
 | ||||
|  |  | |||
|  | @ -9,6 +9,8 @@ | |||
| 
 | ||||
| #include "common/chunk_file.h" | ||||
| #include "common/log.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/core.h" | ||||
| #include "core/core_timing.h" | ||||
| 
 | ||||
|  |  | |||
|  | @ -5,6 +5,8 @@ | |||
| #pragma once | ||||
| 
 | ||||
| #include "common/common_types.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/mem_map.h" | ||||
| #include "core/hle/hle.h" | ||||
| 
 | ||||
|  |  | |||
|  | @ -4,6 +4,7 @@ | |||
| 
 | ||||
| #include <vector> | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/mem_map.h" | ||||
| #include "core/hle/hle.h" | ||||
| #include "core/hle/kernel/thread.h" | ||||
|  |  | |||
|  | @ -4,6 +4,8 @@ | |||
| 
 | ||||
| #pragma once | ||||
| 
 | ||||
| #include <string> | ||||
| 
 | ||||
| #include "common/common_types.h" | ||||
| #include "core/core.h" | ||||
| 
 | ||||
|  |  | |||
|  | @ -30,24 +30,28 @@ public: | |||
| 
 | ||||
| /// Arbitrate an address
 | ||||
| ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value) { | ||||
|     Object* object = Kernel::g_handle_table.GetGeneric(handle); | ||||
|     if (object == nullptr) | ||||
|         return InvalidHandle(ErrorModule::Kernel); | ||||
| 
 | ||||
|     switch (type) { | ||||
| 
 | ||||
|     // Signal thread(s) waiting for arbitrate address...
 | ||||
|     case ArbitrationType::Signal: | ||||
|         // Negative value means resume all threads
 | ||||
|         if (value < 0) { | ||||
|             ArbitrateAllThreads(handle, address); | ||||
|             ArbitrateAllThreads(object, address); | ||||
|         } else { | ||||
|             // Resume first N threads
 | ||||
|             for(int i = 0; i < value; i++) | ||||
|                 ArbitrateHighestPriorityThread(handle, address); | ||||
|                 ArbitrateHighestPriorityThread(object, address); | ||||
|         } | ||||
|         break; | ||||
| 
 | ||||
|     // Wait current thread (acquire the arbiter)...
 | ||||
|     case ArbitrationType::WaitIfLessThan: | ||||
|         if ((s32)Memory::Read32(address) <= value) { | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_ARB, handle, address); | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_ARB, object, address); | ||||
|             HLE::Reschedule(__func__); | ||||
|         } | ||||
|         break; | ||||
|  | @ -57,7 +61,7 @@ ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s3 | |||
|         s32 memory_value = Memory::Read32(address) - 1; | ||||
|         Memory::Write32(address, memory_value); | ||||
|         if (memory_value <= value) { | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_ARB, handle, address); | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_ARB, object, address); | ||||
|             HLE::Reschedule(__func__); | ||||
|         } | ||||
|         break; | ||||
|  |  | |||
|  | @ -33,11 +33,11 @@ public: | |||
|     ResultVal<bool> WaitSynchronization() override { | ||||
|         bool wait = locked; | ||||
|         if (locked) { | ||||
|             Handle thread = GetCurrentThreadHandle(); | ||||
|             Handle thread = GetCurrentThread()->GetHandle(); | ||||
|             if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) { | ||||
|                 waiting_threads.push_back(thread); | ||||
|             } | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_EVENT, GetHandle()); | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_EVENT, this); | ||||
|         } | ||||
|         if (reset_type != RESETTYPE_STICKY && !permanent_locked) { | ||||
|             locked = true; | ||||
|  | @ -88,7 +88,9 @@ ResultCode SignalEvent(const Handle handle) { | |||
|     // Resume threads waiting for event to signal
 | ||||
|     bool event_caught = false; | ||||
|     for (size_t i = 0; i < evt->waiting_threads.size(); ++i) { | ||||
|         ResumeThreadFromWait( evt->waiting_threads[i]); | ||||
|         Thread* thread = Kernel::g_handle_table.Get<Thread>(evt->waiting_threads[i]); | ||||
|         if (thread != nullptr) | ||||
|             thread->ResumeFromWait(); | ||||
| 
 | ||||
|         // If any thread is signalled awake by this event, assume the event was "caught" and reset
 | ||||
|         // the event. This will result in the next thread waiting on the event to block. Otherwise,
 | ||||
|  |  | |||
|  | @ -6,6 +6,7 @@ | |||
| 
 | ||||
| #include "common/common.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/core.h" | ||||
| #include "core/hle/kernel/kernel.h" | ||||
| #include "core/hle/kernel/thread.h" | ||||
|  | @ -13,7 +14,7 @@ | |||
| 
 | ||||
| namespace Kernel { | ||||
| 
 | ||||
| Handle g_main_thread = 0; | ||||
| Thread* g_main_thread = nullptr; | ||||
| HandleTable g_handle_table; | ||||
| u64 g_program_id = 0; | ||||
| 
 | ||||
|  | @ -80,8 +81,7 @@ bool HandleTable::IsValid(Handle handle) const { | |||
| 
 | ||||
| Object* HandleTable::GetGeneric(Handle handle) const { | ||||
|     if (handle == CurrentThread) { | ||||
|         // TODO(yuriks) Directly return the pointer once this is possible.
 | ||||
|         handle = GetCurrentThreadHandle(); | ||||
|         return GetCurrentThread(); | ||||
|     } else if (handle == CurrentProcess) { | ||||
|         LOG_ERROR(Kernel, "Current process (%08X) pseudo-handle not supported", CurrentProcess); | ||||
|         return nullptr; | ||||
|  |  | |||
|  | @ -16,6 +16,8 @@ const Handle INVALID_HANDLE = 0; | |||
| 
 | ||||
| namespace Kernel { | ||||
| 
 | ||||
| class Thread; | ||||
| 
 | ||||
| // TODO: Verify code
 | ||||
| const ResultCode ERR_OUT_OF_HANDLES(ErrorDescription::OutOfMemory, ErrorModule::Kernel, | ||||
|         ErrorSummary::OutOfResource, ErrorLevel::Temporary); | ||||
|  | @ -190,7 +192,7 @@ private: | |||
| }; | ||||
| 
 | ||||
| extern HandleTable g_handle_table; | ||||
| extern Handle g_main_thread; | ||||
| extern Thread* g_main_thread; | ||||
| 
 | ||||
| /// The ID code of the currently running game
 | ||||
| /// TODO(Subv): This variable should not be here, 
 | ||||
|  |  | |||
|  | @ -40,14 +40,21 @@ static MutexMap g_mutex_held_locks; | |||
|  * @param mutex Mutex that is to be acquired | ||||
|  * @param thread Thread that will acquired | ||||
|  */ | ||||
| void MutexAcquireLock(Mutex* mutex, Handle thread = GetCurrentThreadHandle()) { | ||||
| void MutexAcquireLock(Mutex* mutex, Handle thread = GetCurrentThread()->GetHandle()) { | ||||
|     g_mutex_held_locks.insert(std::make_pair(thread, mutex->GetHandle())); | ||||
|     mutex->lock_thread = thread; | ||||
| } | ||||
| 
 | ||||
| bool ReleaseMutexForThread(Mutex* mutex, Handle thread) { | ||||
|     MutexAcquireLock(mutex, thread); | ||||
|     Kernel::ResumeThreadFromWait(thread); | ||||
| bool ReleaseMutexForThread(Mutex* mutex, Handle thread_handle) { | ||||
|     MutexAcquireLock(mutex, thread_handle); | ||||
| 
 | ||||
|     Thread* thread = Kernel::g_handle_table.Get<Thread>(thread_handle); | ||||
|     if (thread == nullptr) { | ||||
|         LOG_ERROR(Kernel, "Called with invalid handle: %08X", thread_handle); | ||||
|         return false; | ||||
|     } | ||||
| 
 | ||||
|     thread->ResumeFromWait(); | ||||
|     return true; | ||||
| } | ||||
| 
 | ||||
|  | @ -168,8 +175,8 @@ Handle CreateMutex(bool initial_locked, const std::string& name) { | |||
| ResultVal<bool> Mutex::WaitSynchronization() { | ||||
|     bool wait = locked; | ||||
|     if (locked) { | ||||
|         waiting_threads.push_back(GetCurrentThreadHandle()); | ||||
|         Kernel::WaitCurrentThread(WAITTYPE_MUTEX, GetHandle()); | ||||
|         waiting_threads.push_back(GetCurrentThread()->GetHandle()); | ||||
|         Kernel::WaitCurrentThread(WAITTYPE_MUTEX, this); | ||||
|     } else { | ||||
|         // Lock the mutex when the first thread accesses it
 | ||||
|         locked = true; | ||||
|  |  | |||
|  | @ -37,8 +37,8 @@ public: | |||
|         bool wait = !IsAvailable(); | ||||
| 
 | ||||
|         if (wait) { | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_SEMA, GetHandle()); | ||||
|             waiting_threads.push(GetCurrentThreadHandle()); | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_SEMA, this); | ||||
|             waiting_threads.push(GetCurrentThread()->GetHandle()); | ||||
|         } else { | ||||
|             --available_count; | ||||
|         } | ||||
|  | @ -84,7 +84,9 @@ ResultCode ReleaseSemaphore(s32* count, Handle handle, s32 release_count) { | |||
|     // Notify some of the threads that the semaphore has been released
 | ||||
|     // stop once the semaphore is full again or there are no more waiting threads
 | ||||
|     while (!semaphore->waiting_threads.empty() && semaphore->IsAvailable()) { | ||||
|         Kernel::ResumeThreadFromWait(semaphore->waiting_threads.front()); | ||||
|         Thread* thread = Kernel::g_handle_table.Get<Thread>(semaphore->waiting_threads.front()); | ||||
|         if (thread != nullptr) | ||||
|             thread->ResumeFromWait(); | ||||
|         semaphore->waiting_threads.pop(); | ||||
|         --semaphore->available_count; | ||||
|     } | ||||
|  |  | |||
|  | @ -10,6 +10,7 @@ | |||
| #include "common/common.h" | ||||
| #include "common/thread_queue_list.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/core.h" | ||||
| #include "core/core_timing.h" | ||||
| #include "core/hle/hle.h" | ||||
|  | @ -21,68 +22,25 @@ | |||
| 
 | ||||
| namespace Kernel { | ||||
| 
 | ||||
| class Thread : public Kernel::Object { | ||||
| public: | ||||
| 
 | ||||
|     std::string GetName() const override { return name; } | ||||
|     std::string GetTypeName() const override { return "Thread"; } | ||||
| 
 | ||||
|     static const HandleType HANDLE_TYPE = HandleType::Thread; | ||||
|     HandleType GetHandleType() const override { return HANDLE_TYPE; } | ||||
| 
 | ||||
|     inline bool IsRunning() const { return (status & THREADSTATUS_RUNNING) != 0; } | ||||
|     inline bool IsStopped() const { return (status & THREADSTATUS_DORMANT) != 0; } | ||||
|     inline bool IsReady() const { return (status & THREADSTATUS_READY) != 0; } | ||||
|     inline bool IsWaiting() const { return (status & THREADSTATUS_WAIT) != 0; } | ||||
|     inline bool IsSuspended() const { return (status & THREADSTATUS_SUSPEND) != 0; } | ||||
|     inline bool IsIdle() const { return idle; } | ||||
| 
 | ||||
|     ResultVal<bool> WaitSynchronization() override { | ||||
|         const bool wait = status != THREADSTATUS_DORMANT; | ||||
|         if (wait) { | ||||
|             Handle thread = GetCurrentThreadHandle(); | ||||
|             if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) { | ||||
|                 waiting_threads.push_back(thread); | ||||
|             } | ||||
|             WaitCurrentThread(WAITTYPE_THREADEND, this->GetHandle()); | ||||
| ResultVal<bool> Thread::WaitSynchronization() { | ||||
|     const bool wait = status != THREADSTATUS_DORMANT; | ||||
|     if (wait) { | ||||
|         Thread* thread = GetCurrentThread(); | ||||
|         if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) { | ||||
|             waiting_threads.push_back(thread); | ||||
|         } | ||||
| 
 | ||||
|         return MakeResult<bool>(wait); | ||||
|         WaitCurrentThread(WAITTYPE_THREADEND, this); | ||||
|     } | ||||
| 
 | ||||
|     ThreadContext context; | ||||
| 
 | ||||
|     u32 thread_id; | ||||
| 
 | ||||
|     u32 status; | ||||
|     u32 entry_point; | ||||
|     u32 stack_top; | ||||
|     u32 stack_size; | ||||
| 
 | ||||
|     s32 initial_priority; | ||||
|     s32 current_priority; | ||||
| 
 | ||||
|     s32 processor_id; | ||||
| 
 | ||||
|     WaitType wait_type; | ||||
|     Handle wait_handle; | ||||
|     VAddr wait_address; | ||||
| 
 | ||||
|     std::vector<Handle> waiting_threads; | ||||
| 
 | ||||
|     std::string name; | ||||
| 
 | ||||
|     /// Whether this thread is intended to never actually be executed, i.e. always idle
 | ||||
|     bool idle = false; | ||||
| }; | ||||
|     return MakeResult<bool>(wait); | ||||
| } | ||||
| 
 | ||||
| // Lists all thread ids that aren't deleted/etc.
 | ||||
| static std::vector<Handle> thread_queue; | ||||
| static std::vector<Thread*> thread_list; // TODO(yuriks): Owned
 | ||||
| 
 | ||||
| // Lists only ready thread ids.
 | ||||
| static Common::ThreadQueueList<Handle, THREADPRIO_LOWEST+1> thread_ready_queue; | ||||
| static Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST+1> thread_ready_queue; | ||||
| 
 | ||||
| static Handle current_thread_handle; | ||||
| static Thread* current_thread; | ||||
| 
 | ||||
| static const u32 INITIAL_THREAD_ID = 1; ///< The first available thread id at startup
 | ||||
|  | @ -92,30 +50,9 @@ Thread* GetCurrentThread() { | |||
|     return current_thread; | ||||
| } | ||||
| 
 | ||||
| /// Gets the current thread handle
 | ||||
| Handle GetCurrentThreadHandle() { | ||||
|     return GetCurrentThread()->GetHandle(); | ||||
| } | ||||
| 
 | ||||
| /// Sets the current thread
 | ||||
| inline void SetCurrentThread(Thread* t) { | ||||
|     current_thread = t; | ||||
|     current_thread_handle = t->GetHandle(); | ||||
| } | ||||
| 
 | ||||
| /// Saves the current CPU context
 | ||||
| void SaveContext(ThreadContext& ctx) { | ||||
|     Core::g_app_core->SaveContext(ctx); | ||||
| } | ||||
| 
 | ||||
| /// Loads a CPU context
 | ||||
| void LoadContext(ThreadContext& ctx) { | ||||
|     Core::g_app_core->LoadContext(ctx); | ||||
| } | ||||
| 
 | ||||
| /// Resets a thread
 | ||||
| void ResetThread(Thread* t, u32 arg, s32 lowest_priority) { | ||||
|     memset(&t->context, 0, sizeof(ThreadContext)); | ||||
| static void ResetThread(Thread* t, u32 arg, s32 lowest_priority) { | ||||
|     memset(&t->context, 0, sizeof(Core::ThreadContext)); | ||||
| 
 | ||||
|     t->context.cpu_registers[0] = arg; | ||||
|     t->context.pc = t->context.reg_15 = t->entry_point; | ||||
|  | @ -131,22 +68,21 @@ void ResetThread(Thread* t, u32 arg, s32 lowest_priority) { | |||
|         t->current_priority = t->initial_priority; | ||||
|     } | ||||
|     t->wait_type = WAITTYPE_NONE; | ||||
|     t->wait_handle = 0; | ||||
|     t->wait_object = nullptr; | ||||
|     t->wait_address = 0; | ||||
| } | ||||
| 
 | ||||
| /// Change a thread to "ready" state
 | ||||
| void ChangeReadyState(Thread* t, bool ready) { | ||||
|     Handle handle = t->GetHandle(); | ||||
| static void ChangeReadyState(Thread* t, bool ready) { | ||||
|     if (t->IsReady()) { | ||||
|         if (!ready) { | ||||
|             thread_ready_queue.remove(t->current_priority, handle); | ||||
|             thread_ready_queue.remove(t->current_priority, t); | ||||
|         } | ||||
|     }  else if (ready) { | ||||
|         if (t->IsRunning()) { | ||||
|             thread_ready_queue.push_front(t->current_priority, handle); | ||||
|             thread_ready_queue.push_front(t->current_priority, t); | ||||
|         } else { | ||||
|             thread_ready_queue.push_back(t->current_priority, handle); | ||||
|             thread_ready_queue.push_back(t->current_priority, t); | ||||
|         } | ||||
|         t->status = THREADSTATUS_READY; | ||||
|     } | ||||
|  | @ -158,43 +94,36 @@ static bool CheckWaitType(const Thread* thread, WaitType type) { | |||
| } | ||||
| 
 | ||||
| /// Check if a thread is blocking on a specified wait type with a specified handle
 | ||||
| static bool CheckWaitType(const Thread* thread, WaitType type, Handle wait_handle) { | ||||
|     return CheckWaitType(thread, type) && (wait_handle == thread->wait_handle); | ||||
| static bool CheckWaitType(const Thread* thread, WaitType type, Object* wait_object) { | ||||
|     return CheckWaitType(thread, type) && wait_object == thread->wait_object; | ||||
| } | ||||
| 
 | ||||
| /// Check if a thread is blocking on a specified wait type with a specified handle and address
 | ||||
| static bool CheckWaitType(const Thread* thread, WaitType type, Handle wait_handle, VAddr wait_address) { | ||||
|     return CheckWaitType(thread, type, wait_handle) && (wait_address == thread->wait_address); | ||||
| static bool CheckWaitType(const Thread* thread, WaitType type, Object* wait_object, VAddr wait_address) { | ||||
|     return CheckWaitType(thread, type, wait_object) && (wait_address == thread->wait_address); | ||||
| } | ||||
| 
 | ||||
| /// Stops the current thread
 | ||||
| ResultCode StopThread(Handle handle, const char* reason) { | ||||
|     Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
|     if (thread == nullptr) return InvalidHandle(ErrorModule::Kernel); | ||||
| 
 | ||||
| void Thread::Stop(const char* reason) { | ||||
|     // Release all the mutexes that this thread holds
 | ||||
|     ReleaseThreadMutexes(handle); | ||||
|     ReleaseThreadMutexes(GetHandle()); | ||||
| 
 | ||||
|     ChangeReadyState(thread, false); | ||||
|     thread->status = THREADSTATUS_DORMANT; | ||||
|     for (Handle waiting_handle : thread->waiting_threads) { | ||||
|         Thread* waiting_thread = g_handle_table.Get<Thread>(waiting_handle); | ||||
| 
 | ||||
|         if (CheckWaitType(waiting_thread, WAITTYPE_THREADEND, handle)) | ||||
|             ResumeThreadFromWait(waiting_handle); | ||||
|     ChangeReadyState(this, false); | ||||
|     status = THREADSTATUS_DORMANT; | ||||
|     for (Thread* waiting_thread : waiting_threads) { | ||||
|         if (CheckWaitType(waiting_thread, WAITTYPE_THREADEND, this)) | ||||
|             waiting_thread->ResumeFromWait(); | ||||
|     } | ||||
|     thread->waiting_threads.clear(); | ||||
|     waiting_threads.clear(); | ||||
| 
 | ||||
|     // Stopped threads are never waiting.
 | ||||
|     thread->wait_type = WAITTYPE_NONE; | ||||
|     thread->wait_handle = 0; | ||||
|     thread->wait_address = 0; | ||||
| 
 | ||||
|     return RESULT_SUCCESS; | ||||
|     wait_type = WAITTYPE_NONE; | ||||
|     wait_object = nullptr; | ||||
|     wait_address = 0; | ||||
| } | ||||
| 
 | ||||
| /// Changes a threads state
 | ||||
| void ChangeThreadState(Thread* t, ThreadStatus new_status) { | ||||
| static void ChangeThreadState(Thread* t, ThreadStatus new_status) { | ||||
|     if (!t || t->status == new_status) { | ||||
|         return; | ||||
|     } | ||||
|  | @ -209,14 +138,12 @@ void ChangeThreadState(Thread* t, ThreadStatus new_status) { | |||
| } | ||||
| 
 | ||||
| /// Arbitrate the highest priority thread that is waiting
 | ||||
| Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) { | ||||
|     Handle highest_priority_thread = 0; | ||||
| Thread* ArbitrateHighestPriorityThread(Object* arbiter, u32 address) { | ||||
|     Thread* highest_priority_thread = nullptr; | ||||
|     s32 priority = THREADPRIO_LOWEST; | ||||
| 
 | ||||
|     // Iterate through threads, find highest priority thread that is waiting to be arbitrated...
 | ||||
|     for (Handle handle : thread_queue) { | ||||
|         Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
| 
 | ||||
|     for (Thread* thread : thread_list) { | ||||
|         if (!CheckWaitType(thread, WAITTYPE_ARB, arbiter, address)) | ||||
|             continue; | ||||
| 
 | ||||
|  | @ -224,31 +151,31 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) { | |||
|             continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up.
 | ||||
| 
 | ||||
|         if(thread->current_priority <= priority) { | ||||
|             highest_priority_thread = handle; | ||||
|             highest_priority_thread = thread; | ||||
|             priority = thread->current_priority; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     // If a thread was arbitrated, resume it
 | ||||
|     if (0 != highest_priority_thread) | ||||
|         ResumeThreadFromWait(highest_priority_thread); | ||||
|     if (nullptr != highest_priority_thread) { | ||||
|         highest_priority_thread->ResumeFromWait(); | ||||
|     } | ||||
| 
 | ||||
|     return highest_priority_thread; | ||||
| } | ||||
| 
 | ||||
| /// Arbitrate all threads currently waiting
 | ||||
| void ArbitrateAllThreads(u32 arbiter, u32 address) { | ||||
| void ArbitrateAllThreads(Object* arbiter, u32 address) { | ||||
| 
 | ||||
|     // Iterate through threads, find highest priority thread that is waiting to be arbitrated...
 | ||||
|     for (Handle handle : thread_queue) { | ||||
|         Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
| 
 | ||||
|     for (Thread* thread : thread_list) { | ||||
|         if (CheckWaitType(thread, WAITTYPE_ARB, arbiter, address)) | ||||
|             ResumeThreadFromWait(handle); | ||||
|             thread->ResumeFromWait(); | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /// Calls a thread by marking it as "ready" (note: will not actually execute until current thread yields)
 | ||||
| void CallThread(Thread* t) { | ||||
| static void CallThread(Thread* t) { | ||||
|     // Stop waiting
 | ||||
|     if (t->wait_type != WAITTYPE_NONE) { | ||||
|         t->wait_type = WAITTYPE_NONE; | ||||
|  | @ -257,12 +184,12 @@ void CallThread(Thread* t) { | |||
| } | ||||
| 
 | ||||
| /// Switches CPU context to that of the specified thread
 | ||||
| void SwitchContext(Thread* t) { | ||||
| static void SwitchContext(Thread* t) { | ||||
|     Thread* cur = GetCurrentThread(); | ||||
| 
 | ||||
|     // Save context for current thread
 | ||||
|     if (cur) { | ||||
|         SaveContext(cur->context); | ||||
|         Core::g_app_core->SaveContext(cur->context); | ||||
| 
 | ||||
|         if (cur->IsRunning()) { | ||||
|             ChangeReadyState(cur, true); | ||||
|  | @ -270,19 +197,19 @@ void SwitchContext(Thread* t) { | |||
|     } | ||||
|     // Load context of new thread
 | ||||
|     if (t) { | ||||
|         SetCurrentThread(t); | ||||
|         current_thread = t; | ||||
|         ChangeReadyState(t, false); | ||||
|         t->status = (t->status | THREADSTATUS_RUNNING) & ~THREADSTATUS_READY; | ||||
|         t->wait_type = WAITTYPE_NONE; | ||||
|         LoadContext(t->context); | ||||
|         Core::g_app_core->LoadContext(t->context); | ||||
|     } else { | ||||
|         SetCurrentThread(nullptr); | ||||
|         current_thread = nullptr; | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /// Gets the next thread that is ready to be run by priority
 | ||||
| Thread* NextThread() { | ||||
|     Handle next; | ||||
| static Thread* NextThread() { | ||||
|     Thread* next; | ||||
|     Thread* cur = GetCurrentThread(); | ||||
| 
 | ||||
|     if (cur && cur->IsRunning()) { | ||||
|  | @ -293,18 +220,18 @@ Thread* NextThread() { | |||
|     if (next == 0) { | ||||
|         return nullptr; | ||||
|     } | ||||
|     return Kernel::g_handle_table.Get<Thread>(next); | ||||
|     return next; | ||||
| } | ||||
| 
 | ||||
| void WaitCurrentThread(WaitType wait_type, Handle wait_handle) { | ||||
| void WaitCurrentThread(WaitType wait_type, Object* wait_object) { | ||||
|     Thread* thread = GetCurrentThread(); | ||||
|     thread->wait_type = wait_type; | ||||
|     thread->wait_handle = wait_handle; | ||||
|     thread->wait_object = wait_object; | ||||
|     ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND))); | ||||
| } | ||||
| 
 | ||||
| void WaitCurrentThread(WaitType wait_type, Handle wait_handle, VAddr wait_address) { | ||||
|     WaitCurrentThread(wait_type, wait_handle); | ||||
| void WaitCurrentThread(WaitType wait_type, Object* wait_object, VAddr wait_address) { | ||||
|     WaitCurrentThread(wait_type, wait_object); | ||||
|     GetCurrentThread()->wait_address = wait_address; | ||||
| } | ||||
| 
 | ||||
|  | @ -320,67 +247,84 @@ static void ThreadWakeupCallback(u64 parameter, int cycles_late) { | |||
|         return; | ||||
|     } | ||||
| 
 | ||||
|     Kernel::ResumeThreadFromWait(handle); | ||||
|     thread->ResumeFromWait(); | ||||
| } | ||||
| 
 | ||||
| 
 | ||||
| void WakeThreadAfterDelay(Handle handle, s64 nanoseconds) { | ||||
| void WakeThreadAfterDelay(Thread* thread, s64 nanoseconds) { | ||||
|     // Don't schedule a wakeup if the thread wants to wait forever
 | ||||
|     if (nanoseconds == -1) | ||||
|         return; | ||||
| 
 | ||||
|     Thread* thread = Kernel::g_handle_table.Get<Thread>(handle); | ||||
|     if (thread == nullptr) { | ||||
|         LOG_ERROR(Kernel, "Thread doesn't exist %u", handle); | ||||
|         return; | ||||
|     } | ||||
|     _dbg_assert_(Kernel, thread != nullptr); | ||||
| 
 | ||||
|     u64 microseconds = nanoseconds / 1000; | ||||
|     CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, handle); | ||||
|     CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, thread->GetHandle()); | ||||
| } | ||||
| 
 | ||||
| /// Resumes a thread from waiting by marking it as "ready"
 | ||||
| void ResumeThreadFromWait(Handle handle) { | ||||
|     Thread* thread = Kernel::g_handle_table.Get<Thread>(handle); | ||||
|     if (thread) { | ||||
|         thread->status &= ~THREADSTATUS_WAIT; | ||||
|         thread->wait_handle = 0; | ||||
|         thread->wait_type = WAITTYPE_NONE; | ||||
|         if (!(thread->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) { | ||||
|             ChangeReadyState(thread, true); | ||||
|         } | ||||
| void Thread::ResumeFromWait() { | ||||
|     status &= ~THREADSTATUS_WAIT; | ||||
|     wait_object = nullptr; | ||||
|     wait_type = WAITTYPE_NONE; | ||||
|     if (!(status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) { | ||||
|         ChangeReadyState(this, true); | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /// Prints the thread queue for debugging purposes
 | ||||
| void DebugThreadQueue() { | ||||
| static void DebugThreadQueue() { | ||||
|     Thread* thread = GetCurrentThread(); | ||||
|     if (!thread) { | ||||
|         return; | ||||
|     } | ||||
|     LOG_DEBUG(Kernel, "0x%02X 0x%08X (current)", thread->current_priority, GetCurrentThreadHandle()); | ||||
|     for (u32 i = 0; i < thread_queue.size(); i++) { | ||||
|         Handle handle = thread_queue[i]; | ||||
|         s32 priority = thread_ready_queue.contains(handle); | ||||
|     LOG_DEBUG(Kernel, "0x%02X 0x%08X (current)", thread->current_priority, GetCurrentThread()->GetHandle()); | ||||
|     for (Thread* t : thread_list) { | ||||
|         s32 priority = thread_ready_queue.contains(t); | ||||
|         if (priority != -1) { | ||||
|             LOG_DEBUG(Kernel, "0x%02X 0x%08X", priority, handle); | ||||
|             LOG_DEBUG(Kernel, "0x%02X 0x%08X", priority, t->GetHandle()); | ||||
|         } | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /// Creates a new thread
 | ||||
| Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 priority, | ||||
|     s32 processor_id, u32 stack_top, int stack_size) { | ||||
| ResultVal<Thread*> Thread::Create(const char* name, u32 entry_point, s32 priority, u32 arg, | ||||
|         s32 processor_id, u32 stack_top, int stack_size) { | ||||
|     _dbg_assert_(Kernel, name != nullptr); | ||||
| 
 | ||||
|     _assert_msg_(KERNEL, (priority >= THREADPRIO_HIGHEST && priority <= THREADPRIO_LOWEST), | ||||
|         "priority=%d, outside of allowable range!", priority) | ||||
|     if ((u32)stack_size < 0x200) { | ||||
|         LOG_ERROR(Kernel, "(name=%s): invalid stack_size=0x%08X", name, stack_size); | ||||
|         // TODO: Verify error
 | ||||
|         return ResultCode(ErrorDescription::InvalidSize, ErrorModule::Kernel, | ||||
|                 ErrorSummary::InvalidArgument, ErrorLevel::Permanent); | ||||
|     } | ||||
| 
 | ||||
|     if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) { | ||||
|         s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); | ||||
|         LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d", | ||||
|             name, priority, new_priority); | ||||
|         // TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
 | ||||
|         // validity of this
 | ||||
|         priority = new_priority; | ||||
|     } | ||||
| 
 | ||||
|     if (!Memory::GetPointer(entry_point)) { | ||||
|         LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name, entry_point); | ||||
|         // TODO: Verify error
 | ||||
|         return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel, | ||||
|                 ErrorSummary::InvalidArgument, ErrorLevel::Permanent); | ||||
|     } | ||||
| 
 | ||||
|     Thread* thread = new Thread; | ||||
| 
 | ||||
|     // TOOD(yuriks): Fix error reporting
 | ||||
|     handle = Kernel::g_handle_table.Create(thread).ValueOr(INVALID_HANDLE); | ||||
|     // TODO(yuriks): Thread requires a handle to be inserted into the various scheduling queues for
 | ||||
|     //               the time being. Create a handle here, it will be copied to the handle field in
 | ||||
|     //               the object and use by the rest of the code. This should be removed when other
 | ||||
|     //               code doesn't rely on the handle anymore.
 | ||||
|     ResultVal<Handle> handle = Kernel::g_handle_table.Create(thread); | ||||
|     // TODO(yuriks): Plug memory leak
 | ||||
|     if (handle.Failed()) | ||||
|         return handle.Code(); | ||||
| 
 | ||||
|     thread_queue.push_back(handle); | ||||
|     thread_list.push_back(thread); | ||||
|     thread_ready_queue.prepare(priority); | ||||
| 
 | ||||
|     thread->thread_id = next_thread_id++; | ||||
|  | @ -391,69 +335,18 @@ Thread* CreateThread(Handle& handle, const char* name, u32 entry_point, s32 prio | |||
|     thread->initial_priority = thread->current_priority = priority; | ||||
|     thread->processor_id = processor_id; | ||||
|     thread->wait_type = WAITTYPE_NONE; | ||||
|     thread->wait_handle = 0; | ||||
|     thread->wait_object = nullptr; | ||||
|     thread->wait_address = 0; | ||||
|     thread->name = name; | ||||
| 
 | ||||
|     return thread; | ||||
| } | ||||
| 
 | ||||
| /// Creates a new thread - wrapper for external user
 | ||||
| Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s32 processor_id, | ||||
|     u32 stack_top, int stack_size) { | ||||
| 
 | ||||
|     if (name == nullptr) { | ||||
|         LOG_ERROR(Kernel_SVC, "nullptr name"); | ||||
|         return -1; | ||||
|     } | ||||
|     if ((u32)stack_size < 0x200) { | ||||
|         LOG_ERROR(Kernel_SVC, "(name=%s): invalid stack_size=0x%08X", name, | ||||
|             stack_size); | ||||
|         return -1; | ||||
|     } | ||||
|     if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) { | ||||
|         s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); | ||||
|         LOG_WARNING(Kernel_SVC, "(name=%s): invalid priority=%d, clamping to %d", | ||||
|             name, priority, new_priority); | ||||
|         // TODO(bunnei): Clamping to a valid priority is not necessarily correct behavior... Confirm
 | ||||
|         // validity of this
 | ||||
|         priority = new_priority; | ||||
|     } | ||||
|     if (!Memory::GetPointer(entry_point)) { | ||||
|         LOG_ERROR(Kernel_SVC, "(name=%s): invalid entry %08x", name, entry_point); | ||||
|         return -1; | ||||
|     } | ||||
|     Handle handle; | ||||
|     Thread* thread = CreateThread(handle, name, entry_point, priority, processor_id, stack_top, | ||||
|         stack_size); | ||||
| 
 | ||||
|     ResetThread(thread, arg, 0); | ||||
|     CallThread(thread); | ||||
| 
 | ||||
|     return handle; | ||||
| } | ||||
| 
 | ||||
| /// Get the priority of the thread specified by handle
 | ||||
| ResultVal<u32> GetThreadPriority(const Handle handle) { | ||||
|     Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
|     if (thread == nullptr) return InvalidHandle(ErrorModule::Kernel); | ||||
| 
 | ||||
|     return MakeResult<u32>(thread->current_priority); | ||||
|     return MakeResult<Thread*>(thread); | ||||
| } | ||||
| 
 | ||||
| /// Set the priority of the thread specified by handle
 | ||||
| ResultCode SetThreadPriority(Handle handle, s32 priority) { | ||||
|     Thread* thread = nullptr; | ||||
|     if (!handle) { | ||||
|         thread = GetCurrentThread(); // TODO(bunnei): Is this correct behavior?
 | ||||
|     } else { | ||||
|         thread = g_handle_table.Get<Thread>(handle); | ||||
|         if (thread == nullptr) { | ||||
|             return InvalidHandle(ErrorModule::Kernel); | ||||
|         } | ||||
|     } | ||||
|     _assert_msg_(KERNEL, (thread != nullptr), "called, but thread is nullptr!"); | ||||
| 
 | ||||
| void Thread::SetPriority(s32 priority) { | ||||
|     // If priority is invalid, clamp to valid range
 | ||||
|     if (priority < THREADPRIO_HIGHEST || priority > THREADPRIO_LOWEST) { | ||||
|         s32 new_priority = CLAMP(priority, THREADPRIO_HIGHEST, THREADPRIO_LOWEST); | ||||
|  | @ -464,38 +357,39 @@ ResultCode SetThreadPriority(Handle handle, s32 priority) { | |||
|     } | ||||
| 
 | ||||
|     // Change thread priority
 | ||||
|     s32 old = thread->current_priority; | ||||
|     thread_ready_queue.remove(old, handle); | ||||
|     thread->current_priority = priority; | ||||
|     thread_ready_queue.prepare(thread->current_priority); | ||||
|     s32 old = current_priority; | ||||
|     thread_ready_queue.remove(old, this); | ||||
|     current_priority = priority; | ||||
|     thread_ready_queue.prepare(current_priority); | ||||
| 
 | ||||
|     // Change thread status to "ready" and push to ready queue
 | ||||
|     if (thread->IsRunning()) { | ||||
|         thread->status = (thread->status & ~THREADSTATUS_RUNNING) | THREADSTATUS_READY; | ||||
|     if (IsRunning()) { | ||||
|         status = (status & ~THREADSTATUS_RUNNING) | THREADSTATUS_READY; | ||||
|     } | ||||
|     if (thread->IsReady()) { | ||||
|         thread_ready_queue.push_back(thread->current_priority, handle); | ||||
|     if (IsReady()) { | ||||
|         thread_ready_queue.push_back(current_priority, this); | ||||
|     } | ||||
| 
 | ||||
|     return RESULT_SUCCESS; | ||||
| } | ||||
| 
 | ||||
| Handle SetupIdleThread() { | ||||
|     Handle handle; | ||||
|     Thread* thread = CreateThread(handle, "idle", 0, THREADPRIO_LOWEST, THREADPROCESSORID_0, 0, 0); | ||||
|     // We need to pass a few valid values to get around parameter checking in Thread::Create.
 | ||||
|     auto thread_res = Thread::Create("idle", Memory::KERNEL_MEMORY_VADDR, THREADPRIO_LOWEST, 0, | ||||
|             THREADPROCESSORID_0, 0, Kernel::DEFAULT_STACK_SIZE); | ||||
|     _dbg_assert_(Kernel, thread_res.Succeeded()); | ||||
|     Thread* thread = *thread_res; | ||||
| 
 | ||||
|     thread->idle = true; | ||||
|     CallThread(thread); | ||||
|     return handle; | ||||
|     return thread->GetHandle(); | ||||
| } | ||||
| 
 | ||||
| Handle SetupMainThread(s32 priority, int stack_size) { | ||||
|     Handle handle; | ||||
| 
 | ||||
| Thread* SetupMainThread(s32 priority, int stack_size) { | ||||
|     // Initialize new "main" thread
 | ||||
|     Thread* thread = CreateThread(handle, "main", Core::g_app_core->GetPC(), priority, | ||||
|     ResultVal<Thread*> thread_res = Thread::Create("main", Core::g_app_core->GetPC(), priority, 0, | ||||
|         THREADPROCESSORID_0, Memory::SCRATCHPAD_VADDR_END, stack_size); | ||||
| 
 | ||||
|     ResetThread(thread, 0, 0); | ||||
|     // TODO(yuriks): Propagate error
 | ||||
|     _dbg_assert_(Kernel, thread_res.Succeeded()); | ||||
|     Thread* thread = *thread_res; | ||||
| 
 | ||||
|     // If running another thread already, set it to "ready" state
 | ||||
|     Thread* cur = GetCurrentThread(); | ||||
|  | @ -504,11 +398,11 @@ Handle SetupMainThread(s32 priority, int stack_size) { | |||
|     } | ||||
| 
 | ||||
|     // Run new "main" thread
 | ||||
|     SetCurrentThread(thread); | ||||
|     current_thread = thread; | ||||
|     thread->status = THREADSTATUS_RUNNING; | ||||
|     LoadContext(thread->context); | ||||
|     Core::g_app_core->LoadContext(thread->context); | ||||
| 
 | ||||
|     return handle; | ||||
|     return thread; | ||||
| } | ||||
| 
 | ||||
| 
 | ||||
|  | @ -524,34 +418,14 @@ void Reschedule() { | |||
|     } else { | ||||
|         LOG_TRACE(Kernel, "cannot context switch from 0x%08X, no higher priority thread!", prev->GetHandle()); | ||||
| 
 | ||||
|         for (Handle handle : thread_queue) { | ||||
|             Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
|         for (Thread* thread : thread_list) { | ||||
|             LOG_TRACE(Kernel, "\thandle=0x%08X prio=0x%02X, status=0x%08X wait_type=0x%08X wait_handle=0x%08X", | ||||
|                 thread->GetHandle(), thread->current_priority, thread->status, thread->wait_type, thread->wait_handle); | ||||
|                 thread->GetHandle(), thread->current_priority, thread->status, thread->wait_type, | ||||
|                 (thread->wait_object ? thread->wait_object->GetHandle() : INVALID_HANDLE)); | ||||
|         } | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| bool IsIdleThread(Handle handle) { | ||||
|     Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
|     if (!thread) { | ||||
|         LOG_ERROR(Kernel, "Thread not found %u", handle); | ||||
|         return false; | ||||
|     } | ||||
|     return thread->IsIdle(); | ||||
| } | ||||
| 
 | ||||
| ResultCode GetThreadId(u32* thread_id, Handle handle) { | ||||
|     Thread* thread = g_handle_table.Get<Thread>(handle); | ||||
|     if (thread == nullptr) | ||||
|         return ResultCode(ErrorDescription::InvalidHandle, ErrorModule::OS,  | ||||
|                           ErrorSummary::WrongArgument, ErrorLevel::Permanent); | ||||
| 
 | ||||
|     *thread_id = thread->thread_id; | ||||
| 
 | ||||
|     return RESULT_SUCCESS; | ||||
| } | ||||
| 
 | ||||
| ////////////////////////////////////////////////////////////////////////////////////////////////////
 | ||||
| 
 | ||||
| void ThreadingInit() { | ||||
|  |  | |||
|  | @ -4,8 +4,12 @@ | |||
| 
 | ||||
| #pragma once | ||||
| 
 | ||||
| #include <string> | ||||
| #include <vector> | ||||
| 
 | ||||
| #include "common/common_types.h" | ||||
| 
 | ||||
| #include "core/core.h" | ||||
| #include "core/mem_map.h" | ||||
| 
 | ||||
| #include "core/hle/kernel/kernel.h" | ||||
|  | @ -48,69 +52,102 @@ enum WaitType { | |||
| 
 | ||||
| namespace Kernel { | ||||
| 
 | ||||
| /// Creates a new thread - wrapper for external user
 | ||||
| Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s32 processor_id, | ||||
|     u32 stack_top, int stack_size=Kernel::DEFAULT_STACK_SIZE); | ||||
| class Thread : public Kernel::Object { | ||||
| public: | ||||
|     static ResultVal<Thread*> Create(const char* name, u32 entry_point, s32 priority, u32 arg, | ||||
|         s32 processor_id, u32 stack_top, int stack_size = Kernel::DEFAULT_STACK_SIZE); | ||||
| 
 | ||||
|     std::string GetName() const override { return name; } | ||||
|     std::string GetTypeName() const override { return "Thread"; } | ||||
| 
 | ||||
|     static const HandleType HANDLE_TYPE = HandleType::Thread; | ||||
|     HandleType GetHandleType() const override { return HANDLE_TYPE; } | ||||
| 
 | ||||
|     inline bool IsRunning() const { return (status & THREADSTATUS_RUNNING) != 0; } | ||||
|     inline bool IsStopped() const { return (status & THREADSTATUS_DORMANT) != 0; } | ||||
|     inline bool IsReady() const { return (status & THREADSTATUS_READY) != 0; } | ||||
|     inline bool IsWaiting() const { return (status & THREADSTATUS_WAIT) != 0; } | ||||
|     inline bool IsSuspended() const { return (status & THREADSTATUS_SUSPEND) != 0; } | ||||
|     inline bool IsIdle() const { return idle; } | ||||
| 
 | ||||
|     ResultVal<bool> WaitSynchronization() override; | ||||
| 
 | ||||
|     s32 GetPriority() const { return current_priority; } | ||||
|     void SetPriority(s32 priority); | ||||
| 
 | ||||
|     u32 GetThreadId() const { return thread_id; } | ||||
| 
 | ||||
|     void Stop(const char* reason); | ||||
|     /// Resumes a thread from waiting by marking it as "ready".
 | ||||
|     void ResumeFromWait(); | ||||
| 
 | ||||
|     Core::ThreadContext context; | ||||
| 
 | ||||
|     u32 thread_id; | ||||
| 
 | ||||
|     u32 status; | ||||
|     u32 entry_point; | ||||
|     u32 stack_top; | ||||
|     u32 stack_size; | ||||
| 
 | ||||
|     s32 initial_priority; | ||||
|     s32 current_priority; | ||||
| 
 | ||||
|     s32 processor_id; | ||||
| 
 | ||||
|     WaitType wait_type; | ||||
|     Object* wait_object; | ||||
|     VAddr wait_address; | ||||
| 
 | ||||
|     std::vector<Thread*> waiting_threads; // TODO(yuriks): Owned
 | ||||
| 
 | ||||
|     std::string name; | ||||
| 
 | ||||
|     /// Whether this thread is intended to never actually be executed, i.e. always idle
 | ||||
|     bool idle = false; | ||||
| 
 | ||||
| private: | ||||
|     Thread() = default; | ||||
| }; | ||||
| 
 | ||||
| /// Sets up the primary application thread
 | ||||
| Handle SetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE); | ||||
| Thread* SetupMainThread(s32 priority, int stack_size = Kernel::DEFAULT_STACK_SIZE); | ||||
| 
 | ||||
| /// Reschedules to the next available thread (call after current thread is suspended)
 | ||||
| void Reschedule(); | ||||
| 
 | ||||
| /// Stops the current thread
 | ||||
| ResultCode StopThread(Handle thread, const char* reason); | ||||
| 
 | ||||
| /**
 | ||||
|  * Retrieves the ID of the specified thread handle | ||||
|  * @param thread_id Will contain the output thread id | ||||
|  * @param handle Handle to the thread we want | ||||
|  * @return Whether the function was successful or not | ||||
|  */ | ||||
| ResultCode GetThreadId(u32* thread_id, Handle handle); | ||||
| 
 | ||||
| /// Resumes a thread from waiting by marking it as "ready"
 | ||||
| void ResumeThreadFromWait(Handle handle); | ||||
| 
 | ||||
| /// Arbitrate the highest priority thread that is waiting
 | ||||
| Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address); | ||||
| Thread* ArbitrateHighestPriorityThread(Object* arbiter, u32 address); | ||||
| 
 | ||||
| /// Arbitrate all threads currently waiting...
 | ||||
| void ArbitrateAllThreads(u32 arbiter, u32 address); | ||||
| void ArbitrateAllThreads(Object* arbiter, u32 address); | ||||
| 
 | ||||
| /// Gets the current thread handle
 | ||||
| Handle GetCurrentThreadHandle(); | ||||
| /// Gets the current thread
 | ||||
| Thread* GetCurrentThread(); | ||||
| 
 | ||||
| /**
 | ||||
|  * Puts the current thread in the wait state for the given type | ||||
|  * @param wait_type Type of wait | ||||
|  * @param wait_handle Handle of Kernel object that we are waiting on, defaults to current thread | ||||
|  * @param wait_object Kernel object that we are waiting on, defaults to current thread | ||||
|  */ | ||||
| void WaitCurrentThread(WaitType wait_type, Handle wait_handle=GetCurrentThreadHandle()); | ||||
| void WaitCurrentThread(WaitType wait_type, Object* wait_object = GetCurrentThread()); | ||||
| 
 | ||||
| /**
 | ||||
|  * Schedules an event to wake up the specified thread after the specified delay. | ||||
|  * @param handle The thread handle. | ||||
|  * @param nanoseconds The time this thread will be allowed to sleep for. | ||||
|  */ | ||||
| void WakeThreadAfterDelay(Handle handle, s64 nanoseconds); | ||||
| void WakeThreadAfterDelay(Thread* thread, s64 nanoseconds); | ||||
| 
 | ||||
| /**
 | ||||
|  * Puts the current thread in the wait state for the given type | ||||
|  * @param wait_type Type of wait | ||||
|  * @param wait_handle Handle of Kernel object that we are waiting on, defaults to current thread | ||||
|  * @param wait_object Kernel object that we are waiting on | ||||
|  * @param wait_address Arbitration address used to resume from wait | ||||
|  */ | ||||
| void WaitCurrentThread(WaitType wait_type, Handle wait_handle, VAddr wait_address); | ||||
| void WaitCurrentThread(WaitType wait_type, Object* wait_object, VAddr wait_address); | ||||
| 
 | ||||
| /// Put current thread in a wait state - on WaitSynchronization
 | ||||
| void WaitThread_Synchronization(); | ||||
| 
 | ||||
| /// Get the priority of the thread specified by handle
 | ||||
| ResultVal<u32> GetThreadPriority(const Handle handle); | ||||
| 
 | ||||
| /// Set the priority of the thread specified by handle
 | ||||
| ResultCode SetThreadPriority(Handle handle, s32 priority); | ||||
| 
 | ||||
| /**
 | ||||
|  * Sets up the idle thread, this is a thread that is intended to never execute instructions, | ||||
|  | @ -119,10 +156,6 @@ ResultCode SetThreadPriority(Handle handle, s32 priority); | |||
|  * @returns The handle of the idle thread | ||||
|  */ | ||||
| Handle SetupIdleThread(); | ||||
| 
 | ||||
| /// Whether the current thread is an idle thread
 | ||||
| bool IsIdleThread(Handle thread); | ||||
| 
 | ||||
| /// Initialize threading
 | ||||
| void ThreadingInit(); | ||||
| 
 | ||||
|  |  | |||
|  | @ -33,8 +33,8 @@ public: | |||
|     ResultVal<bool> WaitSynchronization() override { | ||||
|         bool wait = !signaled; | ||||
|         if (wait) { | ||||
|             waiting_threads.insert(GetCurrentThreadHandle()); | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_TIMER, GetHandle()); | ||||
|             waiting_threads.insert(GetCurrentThread()->GetHandle()); | ||||
|             Kernel::WaitCurrentThread(WAITTYPE_TIMER, this); | ||||
|         } | ||||
|         return MakeResult<bool>(wait); | ||||
|     } | ||||
|  | @ -92,8 +92,10 @@ static void TimerCallback(u64 timer_handle, int cycles_late) { | |||
|     timer->signaled = true; | ||||
| 
 | ||||
|     // Resume all waiting threads
 | ||||
|     for (Handle thread : timer->waiting_threads) | ||||
|         ResumeThreadFromWait(thread); | ||||
|     for (Handle thread_handle : timer->waiting_threads) { | ||||
|         if (Thread* thread = Kernel::g_handle_table.Get<Thread>(thread_handle)) | ||||
|             thread->ResumeFromWait(); | ||||
|     } | ||||
| 
 | ||||
|     timer->waiting_threads.clear(); | ||||
| 
 | ||||
|  |  | |||
|  | @ -4,6 +4,7 @@ | |||
| 
 | ||||
| #include "common/log.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/hle/hle.h" | ||||
| #include "core/hle/kernel/event.h" | ||||
| #include "core/hle/kernel/shared_memory.h" | ||||
|  |  | |||
|  | @ -7,6 +7,7 @@ | |||
| #include "common/string_util.h" | ||||
| #include "common/symbols.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| #include "core/mem_map.h" | ||||
| 
 | ||||
| #include "core/hle/kernel/address_arbiter.h" | ||||
|  | @ -230,14 +231,17 @@ static Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top | |||
|         name = Common::StringFromFormat("unknown-%08x", entry_point); | ||||
|     } | ||||
| 
 | ||||
|     Handle thread = Kernel::CreateThread(name.c_str(), entry_point, priority, arg, processor_id, | ||||
|         stack_top); | ||||
|     ResultVal<Kernel::Thread*> thread_res = Kernel::Thread::Create(name.c_str(), entry_point, priority, arg, | ||||
|             processor_id, stack_top); | ||||
|     if (thread_res.Failed()) | ||||
|         return thread_res.Code().raw; | ||||
|     Kernel::Thread* thread = *thread_res; | ||||
| 
 | ||||
|     Core::g_app_core->SetReg(1, thread); | ||||
|     Core::g_app_core->SetReg(1, thread->GetHandle()); | ||||
| 
 | ||||
|     LOG_TRACE(Kernel_SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, " | ||||
|         "threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point, | ||||
|         name.c_str(), arg, stack_top, priority, processor_id, thread); | ||||
|         name.c_str(), arg, stack_top, priority, processor_id, thread->GetHandle()); | ||||
| 
 | ||||
|     if (THREADPROCESSORID_1 == processor_id) { | ||||
|         LOG_WARNING(Kernel_SVC, | ||||
|  | @ -248,28 +252,31 @@ static Result CreateThread(u32 priority, u32 entry_point, u32 arg, u32 stack_top | |||
| } | ||||
| 
 | ||||
| /// Called when a thread exits
 | ||||
| static u32 ExitThread() { | ||||
|     Handle thread = Kernel::GetCurrentThreadHandle(); | ||||
| static void ExitThread() { | ||||
|     LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC()); | ||||
| 
 | ||||
|     LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC()); // PC = 0x0010545C
 | ||||
| 
 | ||||
|     Kernel::StopThread(thread, __func__); | ||||
|     Kernel::GetCurrentThread()->Stop(__func__); | ||||
|     HLE::Reschedule(__func__); | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| /// Gets the priority for the specified thread
 | ||||
| static Result GetThreadPriority(s32* priority, Handle handle) { | ||||
|     ResultVal<u32> priority_result = Kernel::GetThreadPriority(handle); | ||||
|     if (priority_result.Succeeded()) { | ||||
|         *priority = *priority_result; | ||||
|     } | ||||
|     return priority_result.Code().raw; | ||||
|     const Kernel::Thread* thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle); | ||||
|     if (thread == nullptr) | ||||
|         return InvalidHandle(ErrorModule::Kernel).raw; | ||||
| 
 | ||||
|     *priority = thread->GetPriority(); | ||||
|     return RESULT_SUCCESS.raw; | ||||
| } | ||||
| 
 | ||||
| /// Sets the priority for the specified thread
 | ||||
| static Result SetThreadPriority(Handle handle, s32 priority) { | ||||
|     return Kernel::SetThreadPriority(handle, priority).raw; | ||||
|     Kernel::Thread* thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle); | ||||
|     if (thread == nullptr) | ||||
|         return InvalidHandle(ErrorModule::Kernel).raw; | ||||
| 
 | ||||
|     thread->SetPriority(priority); | ||||
|     return RESULT_SUCCESS.raw; | ||||
| } | ||||
| 
 | ||||
| /// Create a mutex
 | ||||
|  | @ -290,8 +297,13 @@ static Result ReleaseMutex(Handle handle) { | |||
| /// Get the ID for the specified thread.
 | ||||
| static Result GetThreadId(u32* thread_id, Handle handle) { | ||||
|     LOG_TRACE(Kernel_SVC, "called thread=0x%08X", handle); | ||||
|     ResultCode result = Kernel::GetThreadId(thread_id, handle); | ||||
|     return result.raw; | ||||
| 
 | ||||
|     const Kernel::Thread* thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle); | ||||
|     if (thread == nullptr) | ||||
|         return InvalidHandle(ErrorModule::Kernel).raw; | ||||
| 
 | ||||
|     *thread_id = thread->GetThreadId(); | ||||
|     return RESULT_SUCCESS.raw; | ||||
| } | ||||
| 
 | ||||
| /// Creates a semaphore
 | ||||
|  | @ -379,7 +391,7 @@ static void SleepThread(s64 nanoseconds) { | |||
|     Kernel::WaitCurrentThread(WAITTYPE_SLEEP); | ||||
| 
 | ||||
|     // Create an event to wake the thread up after the specified nanosecond delay has passed
 | ||||
|     Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThreadHandle(), nanoseconds); | ||||
|     Kernel::WakeThreadAfterDelay(Kernel::GetCurrentThread(), nanoseconds); | ||||
| 
 | ||||
|     HLE::Reschedule(__func__); | ||||
| } | ||||
|  | @ -411,7 +423,7 @@ const HLE::FunctionDef SVC_Table[] = { | |||
|     {0x06, nullptr,                         "GetProcessIdealProcessor"}, | ||||
|     {0x07, nullptr,                         "SetProcessIdealProcessor"}, | ||||
|     {0x08, HLE::Wrap<CreateThread>,         "CreateThread"}, | ||||
|     {0x09, HLE::Wrap<ExitThread>,           "ExitThread"}, | ||||
|     {0x09, ExitThread,                      "ExitThread"}, | ||||
|     {0x0A, HLE::Wrap<SleepThread>,          "SleepThread"}, | ||||
|     {0x0B, HLE::Wrap<GetThreadPriority>,    "GetThreadPriority"}, | ||||
|     {0x0C, HLE::Wrap<SetThreadPriority>,    "SetThreadPriority"}, | ||||
|  |  | |||
|  | @ -20,21 +20,6 @@ struct PageInfo { | |||
|     u32 flags; | ||||
| }; | ||||
| 
 | ||||
| struct ThreadContext { | ||||
|     u32 cpu_registers[13]; | ||||
|     u32 sp; | ||||
|     u32 lr; | ||||
|     u32 pc; | ||||
|     u32 cpsr; | ||||
|     u32 fpu_registers[32]; | ||||
|     u32 fpscr; | ||||
|     u32 fpexc; | ||||
| 
 | ||||
|     // These are not part of native ThreadContext, but needed by emu
 | ||||
|     u32 reg_15; | ||||
|     u32 mode; | ||||
| }; | ||||
| 
 | ||||
| enum ResetType { | ||||
|     RESETTYPE_ONESHOT, | ||||
|     RESETTYPE_STICKY, | ||||
|  |  | |||
|  | @ -4,6 +4,8 @@ | |||
| 
 | ||||
| #include "common/common_types.h" | ||||
| 
 | ||||
| #include "core/arm/arm_interface.h" | ||||
| 
 | ||||
| #include "core/settings.h" | ||||
| #include "core/core.h" | ||||
| #include "core/mem_map.h" | ||||
|  |  | |||
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue