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Kernel: Fixes, corrections and asserts to scheduler and different svcs.

master
Fernando Sahmkow 2020-03-08 12:51:24 +07:00
parent 4217e58a10
commit 6515c6e8c6
8 changed files with 38 additions and 38 deletions
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27
src/core/hle/kernel/address_arbiter.cpp
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@ -34,19 +34,9 @@ void AddressArbiter::WakeThreads(const std::vector<std::shared_ptr<Thread>>& wai
// Signal the waiting threads.
for (std::size_t i = 0; i < last; i++) {
if (waiting_threads[i]->GetStatus() != ThreadStatus::WaitArb) {
last++;
last = std::min(waiting_threads.size(), last);
continue;
}
time_manager.CancelTimeEvent(waiting_threads[i].get());
ASSERT(waiting_threads[i]->GetStatus() == ThreadStatus::WaitArb);
waiting_threads[i]->SetSynchronizationResults(nullptr, RESULT_SUCCESS);
RemoveThread(waiting_threads[i]);
waiting_threads[i]->WaitForArbitration(false);
waiting_threads[i]->SetArbiterWaitAddress(0);
waiting_threads[i]->ResumeFromWait();
}
}
@ -172,20 +162,25 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
{
SchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout);
if (current_thread->IsPendingTermination()) {
lock.CancelSleep();
return ERR_THREAD_TERMINATING;
}
// Ensure that we can read the address.
if (!memory.IsValidVirtualAddress(address)) {
lock.CancelSleep();
return ERR_INVALID_ADDRESS_STATE;
}
/// TODO(Blinkhawk): Check termination pending.
s32 current_value = static_cast<s32>(memory.Read32(address));
if (current_value >= value) {
lock.CancelSleep();
return ERR_INVALID_STATE;
}
current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT);
s32 decrement_value;
const std::size_t current_core = system.CurrentCoreIndex();
@ -207,7 +202,6 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
return RESULT_TIMEOUT;
}
current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT);
current_thread->SetArbiterWaitAddress(address);
InsertThread(SharedFrom(current_thread));
current_thread->SetStatus(ThreadStatus::WaitArb);
@ -239,14 +233,17 @@ ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 t
{
SchedulerLockAndSleep lock(kernel, event_handle, current_thread, timeout);
if (current_thread->IsPendingTermination()) {
lock.CancelSleep();
return ERR_THREAD_TERMINATING;
}
// Ensure that we can read the address.
if (!memory.IsValidVirtualAddress(address)) {
lock.CancelSleep();
return ERR_INVALID_ADDRESS_STATE;
}
/// TODO(Blinkhawk): Check termination pending.
s32 current_value = static_cast<s32>(memory.Read32(address));
if (current_value != value) {
lock.CancelSleep();

1
src/core/hle/kernel/kernel.cpp
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@ -49,6 +49,7 @@ namespace Kernel {
* @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();

3
src/core/hle/kernel/scheduler.cpp
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@ -133,6 +133,7 @@ u32 GlobalScheduler::SelectThreads() {
u32 cores_needing_context_switch{};
for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
Scheduler& sched = kernel.Scheduler(core);
ASSERT(top_threads[core] == nullptr || top_threads[core]->GetProcessorID() == core);
if (update_thread(top_threads[core], sched)) {
cores_needing_context_switch |= (1ul << core);
}
@ -244,7 +245,7 @@ bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread
winner = yielding_thread;
}
} else {
winner = scheduled_queue[i].front();
winner = scheduled_queue[core_id].front();
}
if (kernel.GetCurrentHostThreadID() != core_id) {

5
src/core/hle/kernel/scheduler.h
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@ -16,7 +16,7 @@
#include "core/hle/kernel/thread.h"
namespace Common {
class Fiber;
class Fiber;
}
namespace Core {
@ -133,7 +133,8 @@ private:
/// and reschedules current core if needed.
void Unlock();
void EnableInterruptAndSchedule(u32 cores_pending_reschedule, Core::EmuThreadHandle global_thread);
void EnableInterruptAndSchedule(u32 cores_pending_reschedule,
Core::EmuThreadHandle global_thread);
/**
* Add a thread to the suggested queue of a cpu core. Suggested threads may be

27
src/core/hle/kernel/svc.cpp
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@ -1562,6 +1562,11 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
current_thread->SetSynchronizationResults(nullptr, RESULT_TIMEOUT);
if (thread->IsPendingTermination()) {
lock.CancelSleep();
return ERR_THREAD_TERMINATING;
}
const auto release_result = current_process->GetMutex().Release(mutex_addr);
if (release_result.IsError()) {
lock.CancelSleep();
@ -1588,6 +1593,11 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
{
SchedulerLock lock(kernel);
auto* owner = current_thread->GetLockOwner();
if (owner != nullptr) {
owner->RemoveMutexWaiter(SharedFrom(current_thread));
}
current_process->RemoveConditionVariableThread(SharedFrom(current_thread));
}
// Note: Deliberately don't attempt to inherit the lock owner's priority.
@ -1618,19 +1628,10 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
for (std::size_t index = 0; index < last; ++index) {
auto& thread = waiting_threads[index];
if (thread->GetStatus() != ThreadStatus::WaitCondVar) {
last++;
last = std::min(waiting_threads.size(), last);
continue;
}
time_manager.CancelTimeEvent(thread.get());
ASSERT(thread->GetCondVarWaitAddress() == condition_variable_addr);
// liberate Cond Var Thread.
current_process->RemoveConditionVariableThread(thread);
thread->SetCondVarWaitAddress(0);
const std::size_t current_core = system.CurrentCoreIndex();
auto& monitor = system.Monitor();
@ -1655,9 +1656,6 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
monitor.ClearExclusive();
if (mutex_val == 0) {
// We were able to acquire the mutex, resume this thread.
ASSERT(thread->GetStatus() == ThreadStatus::WaitCondVar);
thread->ResumeFromWait();
auto* const lock_owner = thread->GetLockOwner();
if (lock_owner != nullptr) {
lock_owner->RemoveMutexWaiter(thread);
@ -1665,13 +1663,16 @@ static void SignalProcessWideKey(Core::System& system, VAddr condition_variable_
thread->SetLockOwner(nullptr);
thread->SetSynchronizationResults(nullptr, RESULT_SUCCESS);
thread->ResumeFromWait();
} else {
// The mutex is already owned by some other thread, make this thread wait on it.
const Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto owner = handle_table.Get<Thread>(owner_handle);
ASSERT(owner);
thread->SetStatus(ThreadStatus::WaitMutex);
if (thread->GetStatus() == ThreadStatus::WaitCondVar) {
thread->SetStatus(ThreadStatus::WaitMutex);
}
owner->AddMutexWaiter(thread);
}

10
src/core/hle/kernel/synchronization.cpp
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@ -23,9 +23,10 @@ void Synchronization::SignalObject(SynchronizationObject& obj) const {
if (obj.IsSignaled()) {
for (auto thread : obj.GetWaitingThreads()) {
if (thread->GetSchedulingStatus() == ThreadSchedStatus::Paused) {
ASSERT(thread->GetStatus() == ThreadStatus::WaitSynch);
ASSERT(thread->IsWaitingSync());
thread->SetSynchronizationResults(&obj, RESULT_SUCCESS);
thread->ResumeFromWait();
time_manager.CancelTimeEvent(thread.get());
}
}
obj.ClearWaitingThreads();
@ -91,10 +92,11 @@ std::pair<ResultCode, Handle> Synchronization::WaitFor(
ResultCode signaling_result = thread->GetSignalingResult();
SynchronizationObject* signaling_object = thread->GetSignalingObject();
thread->SetSynchronizationObjects(nullptr);
auto shared_thread = SharedFrom(thread);
for (auto& obj : sync_objects) {
obj->RemoveWaitingThread(SharedFrom(thread));
obj->RemoveWaitingThread(shared_thread);
}
if (signaling_result == RESULT_SUCCESS) {
if (signaling_object != nullptr) {
const auto itr = std::find_if(
sync_objects.begin(), sync_objects.end(),
[signaling_object](const std::shared_ptr<SynchronizationObject>& object) {
@ -103,7 +105,7 @@ std::pair<ResultCode, Handle> Synchronization::WaitFor(
ASSERT(itr != sync_objects.end());
signaling_object->Acquire(thread);
const u32 index = static_cast<s32>(std::distance(sync_objects.begin(), itr));
return {RESULT_SUCCESS, index};
return {signaling_result, index};
}
return {signaling_result, -1};
}

2
src/core/hle/kernel/time_manager.cpp
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@ -22,7 +22,6 @@ TimeManager::TimeManager(Core::System& system_) : system{system_} {
if (cancelled_events[proper_handle]) {
return;
}
event_fired[proper_handle] = true;
std::shared_ptr<Thread> thread =
this->system.Kernel().RetrieveThreadFromGlobalHandleTable(proper_handle);
thread->OnWakeUp();
@ -39,7 +38,6 @@ void TimeManager::ScheduleTimeEvent(Handle& event_handle, Thread* timetask, s64
event_handle = InvalidHandle;
}
cancelled_events[event_handle] = false;
event_fired[event_handle] = false;
}
void TimeManager::UnscheduleTimeEvent(Handle event_handle) {

1
src/core/hle/kernel/time_manager.h
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@ -42,7 +42,6 @@ private:
Core::System& system;
std::shared_ptr<Core::Timing::EventType> time_manager_event_type;
std::unordered_map<Handle, bool> cancelled_events;
std::unordered_map<Handle, bool> event_fired;
};
} // namespace Kernel