General: Cleanup legacy code.

This commit is contained in:
Fernando Sahmkow 2020-04-01 17:28:49 -04:00
parent c8bf47dcfb
commit 48fa3b7a0f
19 changed files with 8 additions and 740 deletions

View file

@ -34,7 +34,7 @@ ResultVal<std::shared_ptr<ClientSession>> ClientPort::Connect() {
}
// Wake the threads waiting on the ServerPort
server_port->WakeupAllWaitingThreads();
server_port->Signal();
return MakeResult(std::move(client));
}

View file

@ -48,72 +48,6 @@ MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70));
namespace Kernel {
/**
* Callback that will wake up the thread it was scheduled for
* @param thread_handle The handle of the thread that's been awoken
* @param cycles_late The number of CPU cycles that have passed since the desired wakeup time
*/
static void ThreadWakeupCallback(u64 thread_handle, [[maybe_unused]] s64 cycles_late) {
UNREACHABLE();
const auto proper_handle = static_cast<Handle>(thread_handle);
const auto& system = Core::System::GetInstance();
// Lock the global kernel mutex when we enter the kernel HLE.
std::lock_guard lock{HLE::g_hle_lock};
std::shared_ptr<Thread> thread =
system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
if (thread == nullptr) {
LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", proper_handle);
return;
}
bool resume = true;
if (thread->GetStatus() == ThreadStatus::WaitSynch ||
thread->GetStatus() == ThreadStatus::WaitHLEEvent) {
// Remove the thread from each of its waiting objects' waitlists
for (const auto& object : thread->GetSynchronizationObjects()) {
object->RemoveWaitingThread(thread);
}
thread->ClearSynchronizationObjects();
// Invoke the wakeup callback before clearing the wait objects
if (thread->HasWakeupCallback()) {
resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
}
} else if (thread->GetStatus() == ThreadStatus::WaitMutex ||
thread->GetStatus() == ThreadStatus::WaitCondVar) {
thread->SetMutexWaitAddress(0);
thread->SetWaitHandle(0);
if (thread->GetStatus() == ThreadStatus::WaitCondVar) {
thread->GetOwnerProcess()->RemoveConditionVariableThread(thread);
thread->SetCondVarWaitAddress(0);
}
auto* const lock_owner = thread->GetLockOwner();
// Threads waking up by timeout from WaitProcessWideKey do not perform priority inheritance
// and don't have a lock owner unless SignalProcessWideKey was called first and the thread
// wasn't awakened due to the mutex already being acquired.
if (lock_owner != nullptr) {
lock_owner->RemoveMutexWaiter(thread);
}
}
if (thread->GetStatus() == ThreadStatus::WaitArb) {
auto& address_arbiter = thread->GetOwnerProcess()->GetAddressArbiter();
address_arbiter.HandleWakeupThread(thread);
}
if (resume) {
if (thread->GetStatus() == ThreadStatus::WaitCondVar ||
thread->GetStatus() == ThreadStatus::WaitArb) {
thread->SetWaitSynchronizationResult(RESULT_TIMEOUT);
}
thread->ResumeFromWait();
}
}
struct KernelCore::Impl {
explicit Impl(Core::System& system, KernelCore& kernel)
: global_scheduler{kernel}, synchronization{system}, time_manager{system}, system{system} {}
@ -129,7 +63,6 @@ struct KernelCore::Impl {
InitializePhysicalCores();
InitializeSystemResourceLimit(kernel);
InitializeMemoryLayout();
InitializeThreads();
InitializePreemption(kernel);
InitializeSchedulers();
InitializeSuspendThreads();
@ -161,7 +94,6 @@ struct KernelCore::Impl {
system_resource_limit = nullptr;
global_handle_table.Clear();
thread_wakeup_event_type = nullptr;
preemption_event = nullptr;
global_scheduler.Shutdown();
@ -210,11 +142,6 @@ struct KernelCore::Impl {
}
}
void InitializeThreads() {
thread_wakeup_event_type =
Core::Timing::CreateEvent("ThreadWakeupCallback", ThreadWakeupCallback);
}
void InitializePreemption(KernelCore& kernel) {
preemption_event = Core::Timing::CreateEvent(
"PreemptionCallback", [this, &kernel](u64 userdata, s64 cycles_late) {
@ -376,7 +303,6 @@ struct KernelCore::Impl {
std::shared_ptr<ResourceLimit> system_resource_limit;
std::shared_ptr<Core::Timing::EventType> thread_wakeup_event_type;
std::shared_ptr<Core::Timing::EventType> preemption_event;
// This is the kernel's handle table or supervisor handle table which
@ -516,7 +442,8 @@ std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore
return impl->interrupts;
}
const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore::Interrupts() const {
const std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>& KernelCore::Interrupts()
const {
return impl->interrupts;
}
@ -595,10 +522,6 @@ u64 KernelCore::CreateNewUserProcessID() {
return impl->next_user_process_id++;
}
const std::shared_ptr<Core::Timing::EventType>& KernelCore::ThreadWakeupCallbackEventType() const {
return impl->thread_wakeup_event_type;
}
Kernel::HandleTable& KernelCore::GlobalHandleTable() {
return impl->global_handle_table;
}

View file

@ -241,9 +241,6 @@ private:
/// Creates a new thread ID, incrementing the internal thread ID counter.
u64 CreateNewThreadID();
/// Retrieves the event type used for thread wakeup callbacks.
const std::shared_ptr<Core::Timing::EventType>& ThreadWakeupCallbackEventType() const;
/// Provides a reference to the global handle table.
Kernel::HandleTable& GlobalHandleTable();

View file

@ -16,7 +16,6 @@
#include "common/string_util.h"
#include "core/arm/exclusive_monitor.h"
#include "core/core.h"
#include "core/core_manager.h"
#include "core/core_timing.h"
#include "core/core_timing_util.h"
#include "core/cpu_manager.h"
@ -1909,7 +1908,7 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
return ERR_INVALID_COMBINATION;
}
if (core < Core::NUM_CPU_CORES) {
if (core < Core::Hardware::NUM_CPU_CORES) {
if ((affinity_mask & (1ULL << core)) == 0) {
LOG_ERROR(Kernel_SVC,
"Core is not enabled for the current mask, core={}, mask={:016X}", core,

View file

@ -38,70 +38,6 @@ void SynchronizationObject::RemoveWaitingThread(std::shared_ptr<Thread> thread)
waiting_threads.erase(itr);
}
std::shared_ptr<Thread> SynchronizationObject::GetHighestPriorityReadyThread() const {
Thread* candidate = nullptr;
u32 candidate_priority = THREADPRIO_LOWEST + 1;
for (const auto& thread : waiting_threads) {
const ThreadStatus thread_status = thread->GetStatus();
// The list of waiting threads must not contain threads that are not waiting to be awakened.
ASSERT_MSG(thread_status == ThreadStatus::WaitSynch ||
thread_status == ThreadStatus::WaitHLEEvent,
"Inconsistent thread statuses in waiting_threads");
if (thread->GetPriority() >= candidate_priority)
continue;
if (ShouldWait(thread.get()))
continue;
candidate = thread.get();
candidate_priority = thread->GetPriority();
}
return SharedFrom(candidate);
}
void SynchronizationObject::WakeupWaitingThread(std::shared_ptr<Thread> thread) {
ASSERT(!ShouldWait(thread.get()));
if (!thread) {
return;
}
if (thread->IsSleepingOnWait()) {
for (const auto& object : thread->GetSynchronizationObjects()) {
ASSERT(!object->ShouldWait(thread.get()));
object->Acquire(thread.get());
}
} else {
Acquire(thread.get());
}
const std::size_t index = thread->GetSynchronizationObjectIndex(SharedFrom(this));
thread->ClearSynchronizationObjects();
thread->CancelWakeupTimer();
bool resume = true;
if (thread->HasWakeupCallback()) {
resume = thread->InvokeWakeupCallback(ThreadWakeupReason::Signal, thread, SharedFrom(this),
index);
}
if (resume) {
thread->ResumeFromWait();
kernel.PrepareReschedule(thread->GetProcessorID());
}
}
void SynchronizationObject::WakeupAllWaitingThreads() {
while (auto thread = GetHighestPriorityReadyThread()) {
WakeupWaitingThread(thread);
}
}
void SynchronizationObject::ClearWaitingThreads() {
waiting_threads.clear();
}

View file

@ -50,21 +50,6 @@ public:
*/
void RemoveWaitingThread(std::shared_ptr<Thread> thread);
/**
* Wake up all threads waiting on this object that can be awoken, in priority order,
* and set the synchronization result and output of the thread.
*/
void /* deprecated */ WakeupAllWaitingThreads();
/**
* Wakes up a single thread waiting on this object.
* @param thread Thread that is waiting on this object to wakeup.
*/
void WakeupWaitingThread(std::shared_ptr<Thread> thread);
/// Obtains the highest priority thread that is ready to run from this object's waiting list.
std::shared_ptr<Thread> /* deprecated */ GetHighestPriorityReadyThread() const;
/// Get a const reference to the waiting threads list for debug use
const std::vector<std::shared_ptr<Thread>>& GetWaitingThreads() const;

View file

@ -56,9 +56,6 @@ Thread::~Thread() = default;
void Thread::Stop() {
{
SchedulerLock lock(kernel);
// Cancel any outstanding wakeup events for this thread
Core::System::GetInstance().CoreTiming().UnscheduleEvent(
kernel.ThreadWakeupCallbackEventType(), global_handle);
SetStatus(ThreadStatus::Dead);
Signal();
kernel.GlobalHandleTable().Close(global_handle);
@ -75,22 +72,6 @@ void Thread::Stop() {
global_handle = 0;
}
void Thread::WakeAfterDelay(s64 nanoseconds) {
// Don't schedule a wakeup if the thread wants to wait forever
if (nanoseconds == -1)
return;
// This function might be called from any thread so we have to be cautious and use the
// thread-safe version of ScheduleEvent.
Core::System::GetInstance().CoreTiming().ScheduleEvent(
nanoseconds, kernel.ThreadWakeupCallbackEventType(), global_handle);
}
void Thread::CancelWakeupTimer() {
Core::System::GetInstance().CoreTiming().UnscheduleEvent(kernel.ThreadWakeupCallbackEventType(),
global_handle);
}
void Thread::ResumeFromWait() {
SchedulerLock lock(kernel);
switch (status) {
@ -284,14 +265,6 @@ void Thread::SetPriority(u32 priority) {
UpdatePriority();
}
void Thread::SetWaitSynchronizationResult(ResultCode result) {
UNREACHABLE();
}
void Thread::SetWaitSynchronizationOutput(s32 output) {
UNREACHABLE();
}
void Thread::SetSynchronizationResults(SynchronizationObject* object, ResultCode result) {
signaling_object = object;
signaling_result = result;
@ -425,13 +398,6 @@ bool Thread::AllSynchronizationObjectsReady() const {
});
}
bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<SynchronizationObject> object,
std::size_t index) {
ASSERT(wakeup_callback);
return wakeup_callback(reason, std::move(thread), std::move(object), index);
}
bool Thread::InvokeHLECallback(std::shared_ptr<Thread> thread) {
ASSERT(hle_callback);
return hle_callback(std::move(thread));

View file

@ -128,9 +128,6 @@ public:
using ThreadSynchronizationObjects = std::vector<std::shared_ptr<SynchronizationObject>>;
using WakeupCallback =
std::function<bool(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<SynchronizationObject> object, std::size_t index)>;
using HLECallback = std::function<bool(std::shared_ptr<Thread> thread)>;
/**
@ -235,7 +232,7 @@ public:
}
/// Resumes a thread from waiting
void /* deprecated */ ResumeFromWait();
void ResumeFromWait();
void OnWakeUp();
@ -249,27 +246,6 @@ public:
///
void CancelWait();
/**
* Schedules an event to wake up the specified thread after the specified delay
* @param nanoseconds The time this thread will be allowed to sleep for
*/
void /* deprecated */ WakeAfterDelay(s64 nanoseconds);
/// Cancel any outstanding wakeup events for this thread
void /* deprecated */ CancelWakeupTimer();
/**
* Sets the result after the thread awakens (from svcWaitSynchronization)
* @param result Value to set to the returned result
*/
void /*deprecated*/ SetWaitSynchronizationResult(ResultCode result);
/**
* Sets the output parameter value after the thread awakens (from svcWaitSynchronization)
* @param output Value to set to the output parameter
*/
void /*deprecated*/ SetWaitSynchronizationOutput(s32 output);
void SetSynchronizationResults(SynchronizationObject* object, ResultCode result);
Core::ARM_Interface& ArmInterface();
@ -330,11 +306,6 @@ public:
*/
VAddr GetCommandBufferAddress() const;
/// Returns whether this thread is waiting on objects from a WaitSynchronization call.
bool IsSleepingOnWait() const {
return status == ThreadStatus::WaitSynch;
}
ThreadContext32& GetContext32() {
return context_32;
}
@ -469,18 +440,10 @@ public:
arb_wait_address = address;
}
bool HasWakeupCallback() const {
return wakeup_callback != nullptr;
}
bool HasHLECallback() const {
return hle_callback != nullptr;
}
void SetWakeupCallback(WakeupCallback callback) {
wakeup_callback = std::move(callback);
}
void SetHLECallback(HLECallback callback) {
hle_callback = std::move(callback);
}
@ -501,22 +464,10 @@ public:
return hle_object;
}
void InvalidateWakeupCallback() {
SetWakeupCallback(nullptr);
}
void InvalidateHLECallback() {
SetHLECallback(nullptr);
}
/**
* Invokes the thread's wakeup callback.
*
* @pre A valid wakeup callback has been set. Violating this precondition
* will cause an assertion to trigger.
*/
bool InvokeWakeupCallback(ThreadWakeupReason reason, std::shared_ptr<Thread> thread,
std::shared_ptr<SynchronizationObject> object, std::size_t index);
bool InvokeHLECallback(std::shared_ptr<Thread> thread);
u32 GetIdealCore() const {
@ -698,11 +649,6 @@ private:
/// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
Handle global_handle = 0;
/// Callback that will be invoked when the thread is resumed from a waiting state. If the thread
/// was waiting via WaitSynchronization then the object will be the last object that became
/// available. In case of a timeout, the object will be nullptr. DEPRECATED
WakeupCallback wakeup_callback;
/// Callback for HLE Events
HLECallback hle_callback;
Handle hle_time_event;