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@ -1,11 +1,10 @@
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// Copyright 2014 Citra Emulator Project / PPSSPP Project
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <functional>
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#include <span>
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#include <string>
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#include <utility>
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@ -18,9 +17,11 @@
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#include "common/spin_lock.h"
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#include "core/arm/arm_interface.h"
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#include "core/hle/kernel/k_affinity_mask.h"
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#include "core/hle/kernel/k_light_lock.h"
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#include "core/hle/kernel/k_synchronization_object.h"
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#include "core/hle/kernel/object.h"
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#include "core/hle/kernel/svc_common.h"
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#include "core/hle/kernel/svc_types.h"
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#include "core/hle/result.h"
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namespace Common {
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@ -38,6 +39,9 @@ class GlobalSchedulerContext;
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class KernelCore;
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class Process;
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class KScheduler;
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class KThreadQueue;
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using KThreadFunction = VAddr;
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enum class ThreadType : u32 {
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Main = 0,
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@ -47,6 +51,16 @@ enum class ThreadType : u32 {
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};
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DECLARE_ENUM_FLAG_OPERATORS(ThreadType);
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enum class SuspendType : u32 {
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Process = 0,
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Thread = 1,
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Debug = 2,
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Backtrace = 3,
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Init = 4,
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Count,
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};
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enum class ThreadState : u16 {
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Initialized = 0,
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Waiting = 1,
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@ -66,21 +80,9 @@ enum class ThreadState : u16 {
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};
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DECLARE_ENUM_FLAG_OPERATORS(ThreadState);
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enum class ThreadWakeupReason {
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Signal, // The thread was woken up by WakeupAllWaitingThreads due to an object signal.
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Timeout // The thread was woken up due to a wait timeout.
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};
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enum class ThreadActivity : u32 {
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Normal = 0,
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Paused = 1,
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};
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enum class ThreadSchedFlags : u32 {
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ProcessPauseFlag = 1 << 4,
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ThreadPauseFlag = 1 << 5,
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ProcessDebugPauseFlag = 1 << 6,
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KernelInitPauseFlag = 1 << 8,
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enum class DpcFlag : u32 {
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Terminating = (1 << 0),
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Terminated = (1 << 1),
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};
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enum class ThreadWaitReasonForDebugging : u32 {
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@ -93,21 +95,25 @@ enum class ThreadWaitReasonForDebugging : u32 {
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Suspended, ///< Thread is waiting due to process suspension
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};
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[[nodiscard]] KThread* GetCurrentThreadPointer(KernelCore& kernel);
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[[nodiscard]] KThread& GetCurrentThread(KernelCore& kernel);
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[[nodiscard]] s32 GetCurrentCoreId(KernelCore& kernel);
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class KThread final : public KSynchronizationObject, public boost::intrusive::list_base_hook<> {
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friend class KScheduler;
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friend class Process;
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public:
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static constexpr s32 DefaultThreadPriority = 44;
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static constexpr s32 IdleThreadPriority = 64;
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static constexpr s32 IdleThreadPriority = Svc::LowestThreadPriority + 1;
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explicit KThread(KernelCore& kernel);
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~KThread() override;
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using MutexWaitingThreads = std::vector<std::shared_ptr<KThread>>;
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public:
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using ThreadContext32 = Core::ARM_Interface::ThreadContext32;
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using ThreadContext64 = Core::ARM_Interface::ThreadContext64;
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using WaiterList = boost::intrusive::list<KThread>;
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/**
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* Creates and returns a new thread. The new thread is immediately scheduled
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@ -121,10 +127,9 @@ public:
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* @param owner_process The parent process for the thread, if null, it's a kernel thread
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* @return A shared pointer to the newly created thread
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*/
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static ResultVal<std::shared_ptr<KThread>> Create(Core::System& system, ThreadType type_flags,
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std::string name, VAddr entry_point,
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u32 priority, u64 arg, s32 processor_id,
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VAddr stack_top, Process* owner_process);
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[[nodiscard]] static ResultVal<std::shared_ptr<KThread>> Create(
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Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
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u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process);
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/**
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* Creates and returns a new thread. The new thread is immediately scheduled
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@ -140,12 +145,12 @@ public:
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* @param thread_start_parameter The parameter which will passed to host context on init
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* @return A shared pointer to the newly created thread
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*/
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static ResultVal<std::shared_ptr<KThread>> Create(
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[[nodiscard]] static ResultVal<std::shared_ptr<KThread>> Create(
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Core::System& system, ThreadType type_flags, std::string name, VAddr entry_point,
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u32 priority, u64 arg, s32 processor_id, VAddr stack_top, Process* owner_process,
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std::function<void(void*)>&& thread_start_func, void* thread_start_parameter);
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std::string GetName() const override {
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[[nodiscard]] std::string GetName() const override {
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return name;
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}
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@ -153,12 +158,12 @@ public:
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name = std::move(new_name);
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}
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std::string GetTypeName() const override {
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[[nodiscard]] std::string GetTypeName() const override {
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return "Thread";
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}
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static constexpr HandleType HANDLE_TYPE = HandleType::Thread;
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HandleType GetHandleType() const override {
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[[nodiscard]] HandleType GetHandleType() const override {
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return HANDLE_TYPE;
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}
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@ -167,15 +172,15 @@ public:
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* @return The current thread's priority
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*/
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[[nodiscard]] s32 GetPriority() const {
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return current_priority;
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return priority;
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}
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/**
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* Sets the thread's current priority.
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* @param priority The new priority.
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*/
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void SetPriority(s32 priority) {
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current_priority = priority;
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void SetPriority(s32 value) {
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priority = value;
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}
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/**
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@ -186,15 +191,6 @@ public:
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return base_priority;
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}
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/**
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* Sets the thread's nominal priority.
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* @param priority The new priority.
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*/
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void SetBasePriority(u32 priority);
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/// Changes the core that the thread is running or scheduled to run on.
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[[nodiscard]] ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask);
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/**
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* Gets the thread's thread ID
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* @return The thread's ID
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@ -203,46 +199,67 @@ public:
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return thread_id;
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}
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/// Resumes a thread from waiting
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void ContinueIfHasKernelWaiters() {
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if (GetNumKernelWaiters() > 0) {
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Continue();
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}
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}
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void Wakeup();
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ResultCode Start();
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void SetBasePriority(s32 value);
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virtual bool IsSignaled() const override;
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[[nodiscard]] ResultCode Run();
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/// Cancels a waiting operation that this thread may or may not be within.
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///
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/// When the thread is within a waiting state, this will set the thread's
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/// waiting result to signal a canceled wait. The function will then resume
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/// this thread.
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///
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void CancelWait();
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void Exit();
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void SetSynchronizationResults(KSynchronizationObject* object, ResultCode result);
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void SetSyncedObject(KSynchronizationObject* object, ResultCode result) {
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SetSynchronizationResults(object, result);
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[[nodiscard]] u32 GetSuspendFlags() const {
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return suspend_allowed_flags & suspend_request_flags;
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}
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ResultCode GetWaitResult(KSynchronizationObject** out) const {
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*out = signaling_object;
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return signaling_result;
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[[nodiscard]] bool IsSuspended() const {
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return GetSuspendFlags() != 0;
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}
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ResultCode GetSignalingResult() const {
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return signaling_result;
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[[nodiscard]] bool IsSuspendRequested(SuspendType type) const {
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return (suspend_request_flags &
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(1u << (static_cast<u32>(ThreadState::SuspendShift) + static_cast<u32>(type)))) !=
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0;
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}
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/**
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* Stops a thread, invalidating it from further use
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*/
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void Stop();
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[[nodiscard]] bool IsSuspendRequested() const {
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return suspend_request_flags != 0;
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}
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void RequestSuspend(SuspendType type);
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void Resume(SuspendType type);
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void TrySuspend();
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void Continue();
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void Suspend();
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void Finalize() override;
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bool IsSignaled() const override;
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void SetSyncedObject(KSynchronizationObject* obj, ResultCode wait_res) {
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synced_object = obj;
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wait_result = wait_res;
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}
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[[nodiscard]] ResultCode GetWaitResult(KSynchronizationObject** out) const {
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*out = synced_object;
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return wait_result;
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}
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/*
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* Returns the Thread Local Storage address of the current thread
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* @returns VAddr of the thread's TLS
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*/
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VAddr GetTLSAddress() const {
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[[nodiscard]] VAddr GetTLSAddress() const {
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return tls_address;
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}
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@ -250,62 +267,45 @@ public:
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* Returns the value of the TPIDR_EL0 Read/Write system register for this thread.
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* @returns The value of the TPIDR_EL0 register.
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*/
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u64 GetTPIDR_EL0() const {
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return tpidr_el0;
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[[nodiscard]] u64 GetTPIDR_EL0() const {
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return thread_context_64.tpidr;
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}
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/// Sets the value of the TPIDR_EL0 Read/Write system register for this thread.
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void SetTPIDR_EL0(u64 value) {
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tpidr_el0 = value;
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thread_context_64.tpidr = value;
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thread_context_32.tpidr = static_cast<u32>(value);
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}
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/*
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* Returns the address of the current thread's command buffer, located in the TLS.
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* @returns VAddr of the thread's command buffer.
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*/
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VAddr GetCommandBufferAddress() const;
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ThreadContext32& GetContext32() {
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return context_32;
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[[nodiscard]] ThreadContext32& GetContext32() {
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return thread_context_32;
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}
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const ThreadContext32& GetContext32() const {
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return context_32;
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[[nodiscard]] const ThreadContext32& GetContext32() const {
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return thread_context_32;
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}
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ThreadContext64& GetContext64() {
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return context_64;
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[[nodiscard]] ThreadContext64& GetContext64() {
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return thread_context_64;
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}
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const ThreadContext64& GetContext64() const {
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return context_64;
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[[nodiscard]] const ThreadContext64& GetContext64() const {
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return thread_context_64;
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}
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bool IsKernelThread() const {
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return type == ThreadType::Kernel;
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}
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[[nodiscard]] std::shared_ptr<Common::Fiber>& GetHostContext();
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bool WasRunning() const {
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return was_running;
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}
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void SetWasRunning(bool value) {
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was_running = value;
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}
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std::shared_ptr<Common::Fiber>& GetHostContext();
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ThreadState GetState() const {
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[[nodiscard]] ThreadState GetState() const {
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|
|
return thread_state & ThreadState::Mask;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ThreadState GetRawState() const {
|
|
|
|
|
[[nodiscard]] ThreadState GetRawState() const {
|
|
|
|
|
return thread_state;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetState(ThreadState state);
|
|
|
|
|
|
|
|
|
|
s64 GetLastScheduledTick() const {
|
|
|
|
|
[[nodiscard]] s64 GetLastScheduledTick() const {
|
|
|
|
|
return last_scheduled_tick;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -313,43 +313,44 @@ public:
|
|
|
|
|
last_scheduled_tick = tick;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
u64 GetTotalCPUTimeTicks() const {
|
|
|
|
|
return total_cpu_time_ticks;
|
|
|
|
|
void AddCpuTime([[maybe_unused]] s32 core_id_, s64 amount) {
|
|
|
|
|
cpu_time += amount;
|
|
|
|
|
// TODO(bunnei): Debug kernels track per-core tick counts. Should we?
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void UpdateCPUTimeTicks(u64 ticks) {
|
|
|
|
|
total_cpu_time_ticks += ticks;
|
|
|
|
|
[[nodiscard]] s64 GetCpuTime() const {
|
|
|
|
|
return cpu_time;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s32 GetProcessorID() const {
|
|
|
|
|
return processor_id;
|
|
|
|
|
[[nodiscard]] s32 GetActiveCore() const {
|
|
|
|
|
return core_id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s32 GetActiveCore() const {
|
|
|
|
|
return GetProcessorID();
|
|
|
|
|
void SetActiveCore(s32 core) {
|
|
|
|
|
core_id = core;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetProcessorID(s32 new_core) {
|
|
|
|
|
processor_id = new_core;
|
|
|
|
|
[[nodiscard]] s32 GetCurrentCore() const {
|
|
|
|
|
return current_core_id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetActiveCore(s32 new_core) {
|
|
|
|
|
processor_id = new_core;
|
|
|
|
|
void SetCurrentCore(s32 core) {
|
|
|
|
|
current_core_id = core;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Process* GetOwnerProcess() {
|
|
|
|
|
return owner_process;
|
|
|
|
|
[[nodiscard]] Process* GetOwnerProcess() {
|
|
|
|
|
return parent;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const Process* GetOwnerProcess() const {
|
|
|
|
|
return owner_process;
|
|
|
|
|
[[nodiscard]] const Process* GetOwnerProcess() const {
|
|
|
|
|
return parent;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const MutexWaitingThreads& GetMutexWaitingThreads() const {
|
|
|
|
|
return wait_mutex_threads;
|
|
|
|
|
[[nodiscard]] bool IsUserThread() const {
|
|
|
|
|
return parent != nullptr;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
KThread* GetLockOwner() const {
|
|
|
|
|
[[nodiscard]] KThread* GetLockOwner() const {
|
|
|
|
|
return lock_owner;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -357,20 +358,21 @@ public:
|
|
|
|
|
lock_owner = owner;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
u32 GetIdealCore() const {
|
|
|
|
|
return ideal_core;
|
|
|
|
|
[[nodiscard]] const KAffinityMask& GetAffinityMask() const {
|
|
|
|
|
return physical_affinity_mask;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const KAffinityMask& GetAffinityMask() const {
|
|
|
|
|
return affinity_mask;
|
|
|
|
|
}
|
|
|
|
|
[[nodiscard]] ResultCode GetCoreMask(s32* out_ideal_core, u64* out_affinity_mask);
|
|
|
|
|
|
|
|
|
|
ResultCode SetActivity(ThreadActivity value);
|
|
|
|
|
[[nodiscard]] ResultCode GetPhysicalCoreMask(s32* out_ideal_core, u64* out_affinity_mask);
|
|
|
|
|
|
|
|
|
|
/// Sleeps this thread for the given amount of nanoseconds.
|
|
|
|
|
ResultCode Sleep(s64 nanoseconds);
|
|
|
|
|
[[nodiscard]] ResultCode SetCoreMask(s32 core_id, u64 v_affinity_mask);
|
|
|
|
|
|
|
|
|
|
s64 GetYieldScheduleCount() const {
|
|
|
|
|
[[nodiscard]] ResultCode SetActivity(Svc::ThreadActivity activity);
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] ResultCode Sleep(s64 timeout);
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] s64 GetYieldScheduleCount() const {
|
|
|
|
|
return schedule_count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -378,56 +380,49 @@ public:
|
|
|
|
|
schedule_count = count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool IsRunning() const {
|
|
|
|
|
return is_running;
|
|
|
|
|
void WaitCancel();
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] bool IsWaitCancelled() const {
|
|
|
|
|
return wait_cancelled;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetIsRunning(bool value) {
|
|
|
|
|
is_running = value;
|
|
|
|
|
[[nodiscard]] void ClearWaitCancelled() {
|
|
|
|
|
wait_cancelled = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool IsWaitCancelled() const {
|
|
|
|
|
return is_sync_cancelled;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void ClearWaitCancelled() {
|
|
|
|
|
is_sync_cancelled = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Handle GetGlobalHandle() const {
|
|
|
|
|
return global_handle;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool IsCancellable() const {
|
|
|
|
|
return is_cancellable;
|
|
|
|
|
[[nodiscard]] bool IsCancellable() const {
|
|
|
|
|
return cancellable;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetCancellable() {
|
|
|
|
|
is_cancellable = true;
|
|
|
|
|
cancellable = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void ClearCancellable() {
|
|
|
|
|
is_cancellable = false;
|
|
|
|
|
cancellable = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool IsTerminationRequested() const {
|
|
|
|
|
return will_be_terminated || GetRawState() == ThreadState::Terminated;
|
|
|
|
|
[[nodiscard]] bool IsTerminationRequested() const {
|
|
|
|
|
return termination_requested || GetRawState() == ThreadState::Terminated;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool IsPaused() const {
|
|
|
|
|
return pausing_state != 0;
|
|
|
|
|
struct StackParameters {
|
|
|
|
|
u8 svc_permission[0x10];
|
|
|
|
|
std::atomic<u8> dpc_flags;
|
|
|
|
|
u8 current_svc_id;
|
|
|
|
|
bool is_calling_svc;
|
|
|
|
|
bool is_in_exception_handler;
|
|
|
|
|
bool is_pinned;
|
|
|
|
|
s32 disable_count;
|
|
|
|
|
KThread* cur_thread;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] StackParameters& GetStackParameters() {
|
|
|
|
|
return stack_parameters;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool IsContinuousOnSVC() const {
|
|
|
|
|
return is_continuous_on_svc;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetContinuousOnSVC(bool is_continuous) {
|
|
|
|
|
is_continuous_on_svc = is_continuous;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool HasExited() const {
|
|
|
|
|
return has_exited;
|
|
|
|
|
[[nodiscard]] const StackParameters& GetStackParameters() const {
|
|
|
|
|
return stack_parameters;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
class QueueEntry {
|
|
|
|
|
@ -457,26 +452,78 @@ public:
|
|
|
|
|
KThread* next{};
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
QueueEntry& GetPriorityQueueEntry(s32 core) {
|
|
|
|
|
[[nodiscard]] QueueEntry& GetPriorityQueueEntry(s32 core) {
|
|
|
|
|
return per_core_priority_queue_entry[core];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const QueueEntry& GetPriorityQueueEntry(s32 core) const {
|
|
|
|
|
[[nodiscard]] const QueueEntry& GetPriorityQueueEntry(s32 core) const {
|
|
|
|
|
return per_core_priority_queue_entry[core];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s32 GetDisableDispatchCount() const {
|
|
|
|
|
return disable_count;
|
|
|
|
|
void SetSleepingQueue(KThreadQueue* q) {
|
|
|
|
|
sleeping_queue = q;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] s32 GetDisableDispatchCount() const {
|
|
|
|
|
return this->GetStackParameters().disable_count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void DisableDispatch() {
|
|
|
|
|
ASSERT(GetDisableDispatchCount() >= 0);
|
|
|
|
|
disable_count++;
|
|
|
|
|
ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() >= 0);
|
|
|
|
|
this->GetStackParameters().disable_count++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void EnableDispatch() {
|
|
|
|
|
ASSERT(GetDisableDispatchCount() > 0);
|
|
|
|
|
disable_count--;
|
|
|
|
|
ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() > 0);
|
|
|
|
|
this->GetStackParameters().disable_count--;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void Pin();
|
|
|
|
|
|
|
|
|
|
void Unpin();
|
|
|
|
|
|
|
|
|
|
void SetInExceptionHandler() {
|
|
|
|
|
this->GetStackParameters().is_in_exception_handler = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void ClearInExceptionHandler() {
|
|
|
|
|
this->GetStackParameters().is_in_exception_handler = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] bool IsInExceptionHandler() const {
|
|
|
|
|
return this->GetStackParameters().is_in_exception_handler;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetIsCallingSvc() {
|
|
|
|
|
this->GetStackParameters().is_calling_svc = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void ClearIsCallingSvc() {
|
|
|
|
|
this->GetStackParameters().is_calling_svc = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] bool IsCallingSvc() const {
|
|
|
|
|
return this->GetStackParameters().is_calling_svc;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] u8 GetSvcId() const {
|
|
|
|
|
return this->GetStackParameters().current_svc_id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void RegisterDpc(DpcFlag flag) {
|
|
|
|
|
this->GetStackParameters().dpc_flags |= static_cast<u8>(flag);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void ClearDpc(DpcFlag flag) {
|
|
|
|
|
this->GetStackParameters().dpc_flags &= ~static_cast<u8>(flag);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] u8 GetDpc() const {
|
|
|
|
|
return this->GetStackParameters().dpc_flags;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] bool HasDpc() const {
|
|
|
|
|
return this->GetDpc() != 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void SetWaitReasonForDebugging(ThreadWaitReasonForDebugging reason) {
|
|
|
|
|
@ -507,10 +554,16 @@ public:
|
|
|
|
|
return mutex_wait_address_for_debugging;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] s32 GetIdealCoreForDebugging() const {
|
|
|
|
|
return virtual_ideal_core_id;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void AddWaiter(KThread* thread);
|
|
|
|
|
|
|
|
|
|
void RemoveWaiter(KThread* thread);
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] ResultCode GetThreadContext3(std::vector<u8>& out);
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] KThread* RemoveWaiterByKey(s32* out_num_waiters, VAddr key);
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] VAddr GetAddressKey() const {
|
|
|
|
|
@ -530,6 +583,22 @@ public:
|
|
|
|
|
address_key_value = val;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] bool HasWaiters() const {
|
|
|
|
|
return !waiter_list.empty();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] s32 GetNumKernelWaiters() const {
|
|
|
|
|
return num_kernel_waiters;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] u64 GetConditionVariableKey() const {
|
|
|
|
|
return condvar_key;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] u64 GetAddressArbiterKey() const {
|
|
|
|
|
return condvar_key;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
static constexpr size_t PriorityInheritanceCountMax = 10;
|
|
|
|
|
union SyncObjectBuffer {
|
|
|
|
|
@ -560,8 +629,8 @@ private:
|
|
|
|
|
std::same_as<T, KThread> ||
|
|
|
|
|
std::same_as<T, LightCompareType>) static constexpr int Compare(const T& lhs,
|
|
|
|
|
const KThread& rhs) {
|
|
|
|
|
const uintptr_t l_key = lhs.GetConditionVariableKey();
|
|
|
|
|
const uintptr_t r_key = rhs.GetConditionVariableKey();
|
|
|
|
|
const u64 l_key = lhs.GetConditionVariableKey();
|
|
|
|
|
const u64 r_key = rhs.GetConditionVariableKey();
|
|
|
|
|
|
|
|
|
|
if (l_key < r_key) {
|
|
|
|
|
// Sort first by key
|
|
|
|
|
@ -575,26 +644,88 @@ private:
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
Common::IntrusiveRedBlackTreeNode condvar_arbiter_tree_node{};
|
|
|
|
|
void AddWaiterImpl(KThread* thread);
|
|
|
|
|
|
|
|
|
|
void RemoveWaiterImpl(KThread* thread);
|
|
|
|
|
|
|
|
|
|
void StartTermination();
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] ResultCode Initialize(KThreadFunction func, uintptr_t arg, VAddr user_stack_top,
|
|
|
|
|
s32 prio, s32 virt_core, Process* owner, ThreadType type);
|
|
|
|
|
|
|
|
|
|
[[nodiscard]] static ResultCode InitializeThread(KThread* thread, KThreadFunction func,
|
|
|
|
|
uintptr_t arg, VAddr user_stack_top, s32 prio,
|
|
|
|
|
s32 core, Process* owner, ThreadType type);
|
|
|
|
|
|
|
|
|
|
static void RestorePriority(KernelCore& kernel, KThread* thread);
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// For core KThread implementation
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ThreadContext32 thread_context_32{};
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ThreadContext64 thread_context_64{};
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Common::IntrusiveRedBlackTreeNode condvar_arbiter_tree_node{};
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s32 priority{};
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using ConditionVariableThreadTreeTraits =
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Common::IntrusiveRedBlackTreeMemberTraitsDeferredAssert<
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&KThread::condvar_arbiter_tree_node>;
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using ConditionVariableThreadTree =
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ConditionVariableThreadTreeTraits::TreeType<ConditionVariableComparator>;
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ConditionVariableThreadTree* condvar_tree{};
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u64 condvar_key{};
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u64 virtual_affinity_mask{};
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KAffinityMask physical_affinity_mask{};
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u64 thread_id{};
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std::atomic<s64> cpu_time{};
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KSynchronizationObject* synced_object{};
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VAddr address_key{};
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Process* parent{};
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VAddr kernel_stack_top{};
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u32* light_ipc_data{};
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VAddr tls_address{};
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KLightLock activity_pause_lock;
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s64 schedule_count{};
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s64 last_scheduled_tick{};
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std::array<QueueEntry, Core::Hardware::NUM_CPU_CORES> per_core_priority_queue_entry{};
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KThreadQueue* sleeping_queue{};
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WaiterList waiter_list{};
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WaiterList pinned_waiter_list{};
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KThread* lock_owner{};
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u32 address_key_value{};
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u32 suspend_request_flags{};
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u32 suspend_allowed_flags{};
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ResultCode wait_result{RESULT_SUCCESS};
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s32 base_priority{};
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s32 physical_ideal_core_id{};
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s32 virtual_ideal_core_id{};
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s32 num_kernel_waiters{};
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s32 current_core_id{};
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s32 core_id{};
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KAffinityMask original_physical_affinity_mask{};
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s32 original_physical_ideal_core_id{};
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s32 num_core_migration_disables{};
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ThreadState thread_state{};
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std::atomic<bool> termination_requested{};
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bool wait_cancelled{};
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bool cancellable{};
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bool signaled{};
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bool initialized{};
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bool debug_attached{};
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s8 priority_inheritance_count{};
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bool resource_limit_release_hint{};
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StackParameters stack_parameters{};
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// For emulation
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std::shared_ptr<Common::Fiber> host_context{};
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// For debugging
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std::vector<KSynchronizationObject*> wait_objects_for_debugging;
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VAddr mutex_wait_address_for_debugging{};
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ThreadWaitReasonForDebugging wait_reason_for_debugging{};
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std::string name;
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public:
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using ConditionVariableThreadTreeType = ConditionVariableThreadTree;
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[[nodiscard]] uintptr_t GetConditionVariableKey() const {
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return condvar_key;
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}
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[[nodiscard]] uintptr_t GetAddressArbiterKey() const {
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return condvar_key;
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}
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void SetConditionVariable(ConditionVariableThreadTree* tree, VAddr address, uintptr_t cv_key,
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void SetConditionVariable(ConditionVariableThreadTree* tree, VAddr address, u64 cv_key,
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u32 value) {
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condvar_tree = tree;
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condvar_key = cv_key;
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@ -610,7 +741,7 @@ public:
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return condvar_tree != nullptr;
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}
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void SetAddressArbiter(ConditionVariableThreadTree* tree, uintptr_t address) {
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void SetAddressArbiter(ConditionVariableThreadTree* tree, u64 address) {
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condvar_tree = tree;
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condvar_key = address;
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}
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@ -626,111 +757,6 @@ public:
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[[nodiscard]] ConditionVariableThreadTree* GetConditionVariableTree() const {
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return condvar_tree;
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}
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[[nodiscard]] bool HasWaiters() const {
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return !waiter_list.empty();
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}
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private:
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void AddSchedulingFlag(ThreadSchedFlags flag);
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void RemoveSchedulingFlag(ThreadSchedFlags flag);
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void AddWaiterImpl(KThread* thread);
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void RemoveWaiterImpl(KThread* thread);
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static void RestorePriority(KernelCore& kernel, KThread* thread);
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Common::SpinLock context_guard{};
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ThreadContext32 context_32{};
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ThreadContext64 context_64{};
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std::shared_ptr<Common::Fiber> host_context{};
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ThreadState thread_state = ThreadState::Initialized;
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u64 thread_id = 0;
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VAddr entry_point = 0;
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VAddr stack_top = 0;
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std::atomic_int disable_count = 0;
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ThreadType type;
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/// Nominal thread priority, as set by the emulated application.
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/// The nominal priority is the thread priority without priority
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/// inheritance taken into account.
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s32 base_priority{};
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/// Current thread priority. This may change over the course of the
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/// thread's lifetime in order to facilitate priority inheritance.
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s32 current_priority{};
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u64 total_cpu_time_ticks = 0; ///< Total CPU running ticks.
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s64 schedule_count{};
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s64 last_scheduled_tick{};
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s32 processor_id = 0;
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VAddr tls_address = 0; ///< Virtual address of the Thread Local Storage of the thread
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u64 tpidr_el0 = 0; ///< TPIDR_EL0 read/write system register.
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/// Process that owns this thread
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Process* owner_process;
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/// Objects that the thread is waiting on, in the same order as they were
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/// passed to WaitSynchronization. This is used for debugging only.
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std::vector<KSynchronizationObject*> wait_objects_for_debugging;
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/// The current mutex wait address. This is used for debugging only.
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VAddr mutex_wait_address_for_debugging{};
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/// The reason the thread is waiting. This is used for debugging only.
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ThreadWaitReasonForDebugging wait_reason_for_debugging{};
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KSynchronizationObject* signaling_object;
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ResultCode signaling_result{RESULT_SUCCESS};
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/// List of threads that are waiting for a mutex that is held by this thread.
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MutexWaitingThreads wait_mutex_threads;
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/// Thread that owns the lock that this thread is waiting for.
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KThread* lock_owner{};
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/// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
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Handle global_handle = 0;
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KScheduler* scheduler = nullptr;
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std::array<QueueEntry, Core::Hardware::NUM_CPU_CORES> per_core_priority_queue_entry{};
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u32 ideal_core{0xFFFFFFFF};
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KAffinityMask affinity_mask{};
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s32 ideal_core_override = -1;
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u32 affinity_override_count = 0;
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u32 pausing_state = 0;
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bool is_running = false;
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bool is_cancellable = false;
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bool is_sync_cancelled = false;
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bool is_continuous_on_svc = false;
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bool will_be_terminated = false;
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bool has_exited = false;
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bool was_running = false;
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bool signaled{};
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ConditionVariableThreadTree* condvar_tree{};
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uintptr_t condvar_key{};
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VAddr address_key{};
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u32 address_key_value{};
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s32 num_kernel_waiters{};
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using WaiterList = boost::intrusive::list<KThread>;
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WaiterList waiter_list{};
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WaiterList pinned_waiter_list{};
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std::string name;
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};
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} // namespace Kernel
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bunnei