mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-27 01:02:48 +01:00
kernel: Use Scheduler class for threading.
This commit is contained in:
parent
c78d495161
commit
ac81c02ed9
6 changed files with 26 additions and 174 deletions
|
@ -133,7 +133,7 @@ void System::Reschedule() {
|
||||||
}
|
}
|
||||||
|
|
||||||
reschedule_pending = false;
|
reschedule_pending = false;
|
||||||
Kernel::Reschedule();
|
Core::System::GetInstance().Scheduler().Reschedule();
|
||||||
}
|
}
|
||||||
|
|
||||||
System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
|
System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
|
||||||
|
@ -154,6 +154,7 @@ System::ResultStatus System::Init(EmuWindow* emu_window, u32 system_mode) {
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
scheduler = std::make_unique<Kernel::Scheduler>(cpu_core);
|
||||||
gpu_core = std::make_unique<Tegra::GPU>();
|
gpu_core = std::make_unique<Tegra::GPU>();
|
||||||
|
|
||||||
telemetry_session = std::make_unique<Core::TelemetrySession>();
|
telemetry_session = std::make_unique<Core::TelemetrySession>();
|
||||||
|
|
|
@ -7,6 +7,7 @@
|
||||||
#include <memory>
|
#include <memory>
|
||||||
#include <string>
|
#include <string>
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
|
#include "core/hle/kernel/scheduler.h"
|
||||||
#include "core/loader/loader.h"
|
#include "core/loader/loader.h"
|
||||||
#include "core/memory.h"
|
#include "core/memory.h"
|
||||||
#include "core/perf_stats.h"
|
#include "core/perf_stats.h"
|
||||||
|
@ -107,6 +108,10 @@ public:
|
||||||
return *gpu_core;
|
return *gpu_core;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Kernel::Scheduler& Scheduler() {
|
||||||
|
return *scheduler;
|
||||||
|
}
|
||||||
|
|
||||||
PerfStats perf_stats;
|
PerfStats perf_stats;
|
||||||
FrameLimiter frame_limiter;
|
FrameLimiter frame_limiter;
|
||||||
|
|
||||||
|
@ -141,6 +146,7 @@ private:
|
||||||
std::unique_ptr<Loader::AppLoader> app_loader;
|
std::unique_ptr<Loader::AppLoader> app_loader;
|
||||||
|
|
||||||
std::shared_ptr<ARM_Interface> cpu_core;
|
std::shared_ptr<ARM_Interface> cpu_core;
|
||||||
|
std::unique_ptr<Kernel::Scheduler> scheduler;
|
||||||
std::unique_ptr<Tegra::GPU> gpu_core;
|
std::unique_ptr<Tegra::GPU> gpu_core;
|
||||||
|
|
||||||
/// When true, signals that a reschedule should happen
|
/// When true, signals that a reschedule should happen
|
||||||
|
|
|
@ -483,7 +483,7 @@ static void ExitProcess() {
|
||||||
g_current_process->status = ProcessStatus::Exited;
|
g_current_process->status = ProcessStatus::Exited;
|
||||||
|
|
||||||
// Stop all the process threads that are currently waiting for objects.
|
// Stop all the process threads that are currently waiting for objects.
|
||||||
auto& thread_list = GetThreadList();
|
auto& thread_list = Core::System::GetInstance().Scheduler().GetThreadList();
|
||||||
for (auto& thread : thread_list) {
|
for (auto& thread : thread_list) {
|
||||||
if (thread->owner_process != g_current_process)
|
if (thread->owner_process != g_current_process)
|
||||||
continue;
|
continue;
|
||||||
|
@ -585,7 +585,7 @@ static void SleepThread(s64 nanoseconds) {
|
||||||
|
|
||||||
// Don't attempt to yield execution if there are no available threads to run,
|
// Don't attempt to yield execution if there are no available threads to run,
|
||||||
// this way we avoid a useless reschedule to the idle thread.
|
// this way we avoid a useless reschedule to the idle thread.
|
||||||
if (nanoseconds == 0 && !HaveReadyThreads())
|
if (nanoseconds == 0 && !Core::System::GetInstance().Scheduler().HaveReadyThreads())
|
||||||
return;
|
return;
|
||||||
|
|
||||||
// Sleep current thread and check for next thread to schedule
|
// Sleep current thread and check for next thread to schedule
|
||||||
|
|
|
@ -41,14 +41,6 @@ void Thread::Acquire(Thread* thread) {
|
||||||
// us to simply use a pool index or similar.
|
// us to simply use a pool index or similar.
|
||||||
static Kernel::HandleTable wakeup_callback_handle_table;
|
static Kernel::HandleTable wakeup_callback_handle_table;
|
||||||
|
|
||||||
// Lists all thread ids that aren't deleted/etc.
|
|
||||||
static std::vector<SharedPtr<Thread>> thread_list;
|
|
||||||
|
|
||||||
// Lists only ready thread ids.
|
|
||||||
static Common::ThreadQueueList<Thread*, THREADPRIO_LOWEST + 1> ready_queue;
|
|
||||||
|
|
||||||
static SharedPtr<Thread> current_thread;
|
|
||||||
|
|
||||||
// The first available thread id at startup
|
// The first available thread id at startup
|
||||||
static u32 next_thread_id;
|
static u32 next_thread_id;
|
||||||
|
|
||||||
|
@ -63,10 +55,6 @@ inline static u32 const NewThreadId() {
|
||||||
Thread::Thread() {}
|
Thread::Thread() {}
|
||||||
Thread::~Thread() {}
|
Thread::~Thread() {}
|
||||||
|
|
||||||
Thread* GetCurrentThread() {
|
|
||||||
return current_thread.get();
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Check if the specified thread is waiting on the specified address to be arbitrated
|
* Check if the specified thread is waiting on the specified address to be arbitrated
|
||||||
* @param thread The thread to test
|
* @param thread The thread to test
|
||||||
|
@ -86,7 +74,7 @@ void Thread::Stop() {
|
||||||
// Clean up thread from ready queue
|
// Clean up thread from ready queue
|
||||||
// This is only needed when the thread is termintated forcefully (SVC TerminateProcess)
|
// This is only needed when the thread is termintated forcefully (SVC TerminateProcess)
|
||||||
if (status == THREADSTATUS_READY) {
|
if (status == THREADSTATUS_READY) {
|
||||||
ready_queue.remove(current_priority, this);
|
Core::System::GetInstance().Scheduler().UnscheduleThread(this, current_priority);
|
||||||
}
|
}
|
||||||
|
|
||||||
status = THREADSTATUS_DEAD;
|
status = THREADSTATUS_DEAD;
|
||||||
|
@ -109,78 +97,6 @@ void Thread::Stop() {
|
||||||
Kernel::g_current_process->tls_slots[tls_page].reset(tls_slot);
|
Kernel::g_current_process->tls_slots[tls_page].reset(tls_slot);
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Switches the CPU's active thread context to that of the specified thread
|
|
||||||
* @param new_thread The thread to switch to
|
|
||||||
*/
|
|
||||||
static void SwitchContext(Thread* new_thread) {
|
|
||||||
Thread* previous_thread = GetCurrentThread();
|
|
||||||
|
|
||||||
// Save context for previous thread
|
|
||||||
if (previous_thread) {
|
|
||||||
previous_thread->last_running_ticks = CoreTiming::GetTicks();
|
|
||||||
Core::CPU().SaveContext(previous_thread->context);
|
|
||||||
|
|
||||||
if (previous_thread->status == THREADSTATUS_RUNNING) {
|
|
||||||
// This is only the case when a reschedule is triggered without the current thread
|
|
||||||
// yielding execution (i.e. an event triggered, system core time-sliced, etc)
|
|
||||||
ready_queue.push_front(previous_thread->current_priority, previous_thread);
|
|
||||||
previous_thread->status = THREADSTATUS_READY;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Load context of new thread
|
|
||||||
if (new_thread) {
|
|
||||||
ASSERT_MSG(new_thread->status == THREADSTATUS_READY,
|
|
||||||
"Thread must be ready to become running.");
|
|
||||||
|
|
||||||
// Cancel any outstanding wakeup events for this thread
|
|
||||||
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, new_thread->callback_handle);
|
|
||||||
|
|
||||||
auto previous_process = Kernel::g_current_process;
|
|
||||||
|
|
||||||
current_thread = new_thread;
|
|
||||||
|
|
||||||
ready_queue.remove(new_thread->current_priority, new_thread);
|
|
||||||
new_thread->status = THREADSTATUS_RUNNING;
|
|
||||||
|
|
||||||
if (previous_process != current_thread->owner_process) {
|
|
||||||
Kernel::g_current_process = current_thread->owner_process;
|
|
||||||
SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
|
|
||||||
}
|
|
||||||
|
|
||||||
Core::CPU().LoadContext(new_thread->context);
|
|
||||||
Core::CPU().SetTlsAddress(new_thread->GetTLSAddress());
|
|
||||||
} else {
|
|
||||||
current_thread = nullptr;
|
|
||||||
// Note: We do not reset the current process and current page table when idling because
|
|
||||||
// technically we haven't changed processes, our threads are just paused.
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Pops and returns the next thread from the thread queue
|
|
||||||
* @return A pointer to the next ready thread
|
|
||||||
*/
|
|
||||||
static Thread* PopNextReadyThread() {
|
|
||||||
Thread* next;
|
|
||||||
Thread* thread = GetCurrentThread();
|
|
||||||
|
|
||||||
if (thread && thread->status == THREADSTATUS_RUNNING) {
|
|
||||||
// We have to do better than the current thread.
|
|
||||||
// This call returns null when that's not possible.
|
|
||||||
next = ready_queue.pop_first_better(thread->current_priority);
|
|
||||||
if (!next) {
|
|
||||||
// Otherwise just keep going with the current thread
|
|
||||||
next = thread;
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
next = ready_queue.pop_first();
|
|
||||||
}
|
|
||||||
|
|
||||||
return next;
|
|
||||||
}
|
|
||||||
|
|
||||||
void WaitCurrentThread_Sleep() {
|
void WaitCurrentThread_Sleep() {
|
||||||
Thread* thread = GetCurrentThread();
|
Thread* thread = GetCurrentThread();
|
||||||
thread->status = THREADSTATUS_WAIT_SLEEP;
|
thread->status = THREADSTATUS_WAIT_SLEEP;
|
||||||
|
@ -195,8 +111,7 @@ void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) {
|
||||||
void ExitCurrentThread() {
|
void ExitCurrentThread() {
|
||||||
Thread* thread = GetCurrentThread();
|
Thread* thread = GetCurrentThread();
|
||||||
thread->Stop();
|
thread->Stop();
|
||||||
thread_list.erase(std::remove(thread_list.begin(), thread_list.end(), thread),
|
Core::System::GetInstance().Scheduler().RemoveThread(thread);
|
||||||
thread_list.end());
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -274,31 +189,11 @@ void Thread::ResumeFromWait() {
|
||||||
|
|
||||||
wakeup_callback = nullptr;
|
wakeup_callback = nullptr;
|
||||||
|
|
||||||
ready_queue.push_back(current_priority, this);
|
|
||||||
status = THREADSTATUS_READY;
|
status = THREADSTATUS_READY;
|
||||||
|
Core::System::GetInstance().Scheduler().ScheduleThread(this, current_priority);
|
||||||
Core::System::GetInstance().PrepareReschedule();
|
Core::System::GetInstance().PrepareReschedule();
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Prints the thread queue for debugging purposes
|
|
||||||
*/
|
|
||||||
static void DebugThreadQueue() {
|
|
||||||
Thread* thread = GetCurrentThread();
|
|
||||||
if (!thread) {
|
|
||||||
LOG_DEBUG(Kernel, "Current: NO CURRENT THREAD");
|
|
||||||
} else {
|
|
||||||
LOG_DEBUG(Kernel, "0x%02X %u (current)", thread->current_priority,
|
|
||||||
GetCurrentThread()->GetObjectId());
|
|
||||||
}
|
|
||||||
|
|
||||||
for (auto& t : thread_list) {
|
|
||||||
u32 priority = ready_queue.contains(t.get());
|
|
||||||
if (priority != -1) {
|
|
||||||
LOG_DEBUG(Kernel, "0x%02X %u", priority, t->GetObjectId());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Finds a free location for the TLS section of a thread.
|
* Finds a free location for the TLS section of a thread.
|
||||||
* @param tls_slots The TLS page array of the thread's owner process.
|
* @param tls_slots The TLS page array of the thread's owner process.
|
||||||
|
@ -366,8 +261,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
|
||||||
|
|
||||||
SharedPtr<Thread> thread(new Thread);
|
SharedPtr<Thread> thread(new Thread);
|
||||||
|
|
||||||
thread_list.push_back(thread);
|
Core::System::GetInstance().Scheduler().AddThread(thread, priority);
|
||||||
ready_queue.prepare(priority);
|
|
||||||
|
|
||||||
thread->thread_id = NewThreadId();
|
thread->thread_id = NewThreadId();
|
||||||
thread->status = THREADSTATUS_DORMANT;
|
thread->status = THREADSTATUS_DORMANT;
|
||||||
|
@ -438,12 +332,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
|
||||||
void Thread::SetPriority(u32 priority) {
|
void Thread::SetPriority(u32 priority) {
|
||||||
ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
|
ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
|
||||||
"Invalid priority value.");
|
"Invalid priority value.");
|
||||||
// If thread was ready, adjust queues
|
Core::System::GetInstance().Scheduler().SetThreadPriority(this, priority);
|
||||||
if (status == THREADSTATUS_READY)
|
|
||||||
ready_queue.move(this, current_priority, priority);
|
|
||||||
else
|
|
||||||
ready_queue.prepare(priority);
|
|
||||||
|
|
||||||
nominal_priority = current_priority = priority;
|
nominal_priority = current_priority = priority;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -457,11 +346,7 @@ void Thread::UpdatePriority() {
|
||||||
}
|
}
|
||||||
|
|
||||||
void Thread::BoostPriority(u32 priority) {
|
void Thread::BoostPriority(u32 priority) {
|
||||||
// If thread was ready, adjust queues
|
Core::System::GetInstance().Scheduler().SetThreadPriority(this, priority);
|
||||||
if (status == THREADSTATUS_READY)
|
|
||||||
ready_queue.move(this, current_priority, priority);
|
|
||||||
else
|
|
||||||
ready_queue.prepare(priority);
|
|
||||||
current_priority = priority;
|
current_priority = priority;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -487,25 +372,6 @@ SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
|
||||||
return thread;
|
return thread;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool HaveReadyThreads() {
|
|
||||||
return ready_queue.get_first() != nullptr;
|
|
||||||
}
|
|
||||||
|
|
||||||
void Reschedule() {
|
|
||||||
Thread* cur = GetCurrentThread();
|
|
||||||
Thread* next = PopNextReadyThread();
|
|
||||||
|
|
||||||
if (cur && next) {
|
|
||||||
LOG_TRACE(Kernel, "context switch %u -> %u", cur->GetObjectId(), next->GetObjectId());
|
|
||||||
} else if (cur) {
|
|
||||||
LOG_TRACE(Kernel, "context switch %u -> idle", cur->GetObjectId());
|
|
||||||
} else if (next) {
|
|
||||||
LOG_TRACE(Kernel, "context switch idle -> %u", next->GetObjectId());
|
|
||||||
}
|
|
||||||
|
|
||||||
SwitchContext(next);
|
|
||||||
}
|
|
||||||
|
|
||||||
void Thread::SetWaitSynchronizationResult(ResultCode result) {
|
void Thread::SetWaitSynchronizationResult(ResultCode result) {
|
||||||
context.cpu_registers[0] = result.raw;
|
context.cpu_registers[0] = result.raw;
|
||||||
}
|
}
|
||||||
|
@ -528,25 +394,18 @@ VAddr Thread::GetCommandBufferAddress() const {
|
||||||
|
|
||||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Gets the current thread
|
||||||
|
*/
|
||||||
|
Thread* GetCurrentThread() {
|
||||||
|
return Core::System::GetInstance().Scheduler().GetCurrentThread();
|
||||||
|
}
|
||||||
|
|
||||||
void ThreadingInit() {
|
void ThreadingInit() {
|
||||||
ThreadWakeupEventType = CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
|
ThreadWakeupEventType = CoreTiming::RegisterEvent("ThreadWakeupCallback", ThreadWakeupCallback);
|
||||||
|
|
||||||
current_thread = nullptr;
|
|
||||||
next_thread_id = 1;
|
next_thread_id = 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
void ThreadingShutdown() {
|
void ThreadingShutdown() {}
|
||||||
current_thread = nullptr;
|
|
||||||
|
|
||||||
for (auto& t : thread_list) {
|
|
||||||
t->Stop();
|
|
||||||
}
|
|
||||||
thread_list.clear();
|
|
||||||
ready_queue.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
const std::vector<SharedPtr<Thread>>& GetThreadList() {
|
|
||||||
return thread_list;
|
|
||||||
}
|
|
||||||
|
|
||||||
} // namespace Kernel
|
} // namespace Kernel
|
||||||
|
|
|
@ -249,16 +249,6 @@ private:
|
||||||
SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
|
SharedPtr<Thread> SetupMainThread(VAddr entry_point, u32 priority,
|
||||||
SharedPtr<Process> owner_process);
|
SharedPtr<Process> owner_process);
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns whether there are any threads that are ready to run.
|
|
||||||
*/
|
|
||||||
bool HaveReadyThreads();
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Reschedules to the next available thread (call after current thread is suspended)
|
|
||||||
*/
|
|
||||||
void Reschedule();
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Gets the current thread
|
* Gets the current thread
|
||||||
*/
|
*/
|
||||||
|
@ -290,9 +280,4 @@ void ThreadingInit();
|
||||||
*/
|
*/
|
||||||
void ThreadingShutdown();
|
void ThreadingShutdown();
|
||||||
|
|
||||||
/**
|
|
||||||
* Get a const reference to the thread list for debug use
|
|
||||||
*/
|
|
||||||
const std::vector<SharedPtr<Thread>>& GetThreadList();
|
|
||||||
|
|
||||||
} // namespace Kernel
|
} // namespace Kernel
|
||||||
|
|
|
@ -5,6 +5,7 @@
|
||||||
#include "yuzu/debugger/wait_tree.h"
|
#include "yuzu/debugger/wait_tree.h"
|
||||||
#include "yuzu/util/util.h"
|
#include "yuzu/util/util.h"
|
||||||
|
|
||||||
|
#include "core/core.h"
|
||||||
#include "core/hle/kernel/condition_variable.h"
|
#include "core/hle/kernel/condition_variable.h"
|
||||||
#include "core/hle/kernel/event.h"
|
#include "core/hle/kernel/event.h"
|
||||||
#include "core/hle/kernel/mutex.h"
|
#include "core/hle/kernel/mutex.h"
|
||||||
|
@ -50,7 +51,7 @@ std::size_t WaitTreeItem::Row() const {
|
||||||
}
|
}
|
||||||
|
|
||||||
std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() {
|
std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() {
|
||||||
const auto& threads = Kernel::GetThreadList();
|
const auto& threads = Core::System::GetInstance().Scheduler().GetThreadList();
|
||||||
std::vector<std::unique_ptr<WaitTreeThread>> item_list;
|
std::vector<std::unique_ptr<WaitTreeThread>> item_list;
|
||||||
item_list.reserve(threads.size());
|
item_list.reserve(threads.size());
|
||||||
for (std::size_t i = 0; i < threads.size(); ++i) {
|
for (std::size_t i = 0; i < threads.size(); ++i) {
|
||||||
|
|
Loading…
Reference in a new issue