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Code Issues Releases Wiki Activity

Merge pull request #6832 from bunnei/scheduler-improvements

Browse Source 
kernel: Various improvements to scheduler
This commit is contained in:
bunnei
2021-08-18 15:42:46 -07:00
committed by GitHub
parent 521e6ac174 aef0ca6f0d
commit aa40084c24
23 changed files with 224 additions and 140 deletions
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6
src/core/core.cpp
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@@ -494,12 +494,6 @@ const ARM_Interface& System::CurrentArmInterface() const {
return impl->kernel.CurrentPhysicalCore().ArmInterface();
}
std::size_t System::CurrentCoreIndex() const {
std::size_t core = impl->kernel.GetCurrentHostThreadID();
ASSERT(core < Core::Hardware::NUM_CPU_CORES);
return core;
}
Kernel::PhysicalCore& System::CurrentPhysicalCore() {
return impl->kernel.CurrentPhysicalCore();
}

3
src/core/core.h
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@@ -205,9 +205,6 @@ public:
/// Gets an ARM interface to the CPU core that is currently running
[[nodiscard]] const ARM_Interface& CurrentArmInterface() const;
/// Gets the index of the currently running CPU core
[[nodiscard]] std::size_t CurrentCoreIndex() const;
/// Gets the physical core for the CPU core that is currently running
[[nodiscard]] Kernel::PhysicalCore& CurrentPhysicalCore();

38
src/core/cpu_manager.cpp
View File

@@ -21,34 +21,25 @@ namespace Core {
CpuManager::CpuManager(System& system_) : system{system_} {}
CpuManager::~CpuManager() = default;
void CpuManager::ThreadStart(CpuManager& cpu_manager, std::size_t core) {
cpu_manager.RunThread(core);
void CpuManager::ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager,
std::size_t core) {
cpu_manager.RunThread(stop_token, core);
}
void CpuManager::Initialize() {
running_mode = true;
if (is_multicore) {
for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
core_data[core].host_thread =
std::make_unique<std::thread>(ThreadStart, std::ref(*this), core);
core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core);
}
} else {
core_data[0].host_thread = std::make_unique<std::thread>(ThreadStart, std::ref(*this), 0);
core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0);
}
}
void CpuManager::Shutdown() {
running_mode = false;
Pause(false);
if (is_multicore) {
for (auto& data : core_data) {
data.host_thread->join();
data.host_thread.reset();
}
} else {
core_data[0].host_thread->join();
core_data[0].host_thread.reset();
}
}
std::function<void(void*)> CpuManager::GetGuestThreadStartFunc() {
@@ -127,17 +118,18 @@ void CpuManager::MultiCoreRunGuestLoop() {
physical_core = &kernel.CurrentPhysicalCore();
}
system.ExitDynarmicProfile();
{
Kernel::KScopedDisableDispatch dd(kernel);
physical_core->ArmInterface().ClearExclusiveState();
kernel.CurrentScheduler()->RescheduleCurrentCore();
}
}
}
void CpuManager::MultiCoreRunIdleThread() {
auto& kernel = system.Kernel();
while (true) {
auto& physical_core = kernel.CurrentPhysicalCore();
physical_core.Idle();
kernel.CurrentScheduler()->RescheduleCurrentCore();
Kernel::KScopedDisableDispatch dd(kernel);
kernel.CurrentPhysicalCore().Idle();
}
}
@@ -145,12 +137,12 @@ void CpuManager::MultiCoreRunSuspendThread() {
auto& kernel = system.Kernel();
kernel.CurrentScheduler()->OnThreadStart();
while (true) {
auto core = kernel.GetCurrentHostThreadID();
auto core = kernel.CurrentPhysicalCoreIndex();
auto& scheduler = *kernel.CurrentScheduler();
Kernel::KThread* current_thread = scheduler.GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
ASSERT(scheduler.ContextSwitchPending());
ASSERT(core == kernel.GetCurrentHostThreadID());
ASSERT(core == kernel.CurrentPhysicalCoreIndex());
scheduler.RescheduleCurrentCore();
}
}
@@ -317,7 +309,7 @@ void CpuManager::Pause(bool paused) {
}
}
void CpuManager::RunThread(std::size_t core) {
void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
/// Initialization
system.RegisterCoreThread(core);
std::string name;
@@ -356,8 +348,8 @@ void CpuManager::RunThread(std::size_t core) {
sc_sync_first_use = false;
}
// Abort if emulation was killed before the session really starts
if (!system.IsPoweredOn()) {
// Emulation was stopped
if (stop_token.stop_requested()) {
return;
}

6
src/core/cpu_manager.h
View File

@@ -78,9 +78,9 @@ private:
void SingleCoreRunSuspendThread();
void SingleCorePause(bool paused);
static void ThreadStart(CpuManager& cpu_manager, std::size_t core);
static void ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager, std::size_t core);
void RunThread(std::size_t core);
void RunThread(std::stop_token stop_token, std::size_t core);
struct CoreData {
std::shared_ptr<Common::Fiber> host_context;
@@ -89,7 +89,7 @@ private:
std::atomic<bool> is_running;
std::atomic<bool> is_paused;
std::atomic<bool> initialized;
std::unique_ptr<std::thread> host_thread;
std::jthread host_thread;
};
std::atomic<bool> running_mode{};

4
src/core/hle/kernel/k_address_arbiter.cpp
View File

@@ -28,7 +28,7 @@ bool ReadFromUser(Core::System& system, s32* out, VAddr address) {
bool DecrementIfLessThan(Core::System& system, s32* out, VAddr address, s32 value) {
auto& monitor = system.Monitor();
const auto current_core = system.CurrentCoreIndex();
const auto current_core = system.Kernel().CurrentPhysicalCoreIndex();
// TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
// TODO(bunnei): We should call CanAccessAtomic(..) here.
@@ -58,7 +58,7 @@ bool DecrementIfLessThan(Core::System& system, s32* out, VAddr address, s32 valu
bool UpdateIfEqual(Core::System& system, s32* out, VAddr address, s32 value, s32 new_value) {
auto& monitor = system.Monitor();
const auto current_core = system.CurrentCoreIndex();
const auto current_core = system.Kernel().CurrentPhysicalCoreIndex();
// TODO(bunnei): We should disable interrupts here via KScopedInterruptDisable.
// TODO(bunnei): We should call CanAccessAtomic(..) here.

4
src/core/hle/kernel/k_auto_object.h
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@@ -170,6 +170,10 @@ public:
}
}
const std::string& GetName() const {
return name;
}
private:
void RegisterWithKernel();
void UnregisterWithKernel();

2
src/core/hle/kernel/k_condition_variable.cpp
View File

@@ -35,7 +35,7 @@ bool WriteToUser(Core::System& system, VAddr address, const u32* p) {
bool UpdateLockAtomic(Core::System& system, u32* out, VAddr address, u32 if_zero,
u32 new_orr_mask) {
auto& monitor = system.Monitor();
const auto current_core = system.CurrentCoreIndex();
const auto current_core = system.Kernel().CurrentPhysicalCoreIndex();
// Load the value from the address.
const auto expected = monitor.ExclusiveRead32(current_core, address);

6
src/core/hle/kernel/k_handle_table.cpp
View File

@@ -13,6 +13,7 @@ ResultCode KHandleTable::Finalize() {
// Get the table and clear our record of it.
u16 saved_table_size = 0;
{
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
std::swap(m_table_size, saved_table_size);
@@ -43,6 +44,7 @@ bool KHandleTable::Remove(Handle handle) {
// Find the object and free the entry.
KAutoObject* obj = nullptr;
{
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
if (this->IsValidHandle(handle)) {
@@ -61,6 +63,7 @@ bool KHandleTable::Remove(Handle handle) {
}
ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) {
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
// Never exceed our capacity.
@@ -83,6 +86,7 @@ ResultCode KHandleTable::Add(Handle* out_handle, KAutoObject* obj, u16 type) {
}
ResultCode KHandleTable::Reserve(Handle* out_handle) {
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
// Never exceed our capacity.
@@ -93,6 +97,7 @@ ResultCode KHandleTable::Reserve(Handle* out_handle) {
}
void KHandleTable::Unreserve(Handle handle) {
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
// Unpack the handle.
@@ -111,6 +116,7 @@ void KHandleTable::Unreserve(Handle handle) {
}
void KHandleTable::Register(Handle handle, KAutoObject* obj, u16 type) {
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
// Unpack the handle.

2
src/core/hle/kernel/k_handle_table.h
View File

@@ -69,6 +69,7 @@ public:
template <typename T = KAutoObject>
KScopedAutoObject<T> GetObjectWithoutPseudoHandle(Handle handle) const {
// Lock and look up in table.
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
if constexpr (std::is_same_v<T, KAutoObject>) {
@@ -123,6 +124,7 @@ public:
size_t num_opened;
{
// Lock the table.
KScopedDisableDispatch dd(kernel);
KScopedSpinLock lk(m_lock);
for (num_opened = 0; num_opened < num_handles; num_opened++) {
// Get the current handle.

1
src/core/hle/kernel/k_process.cpp
View File

@@ -59,6 +59,7 @@ void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority
thread->GetContext64().cpu_registers[0] = 0;
thread->GetContext32().cpu_registers[1] = thread_handle;
thread->GetContext64().cpu_registers[1] = thread_handle;
thread->DisableDispatch();
auto& kernel = system.Kernel();
// Threads by default are dormant, wake up the main thread so it runs when the scheduler fires

59
src/core/hle/kernel/k_scheduler.cpp
View File

@@ -376,21 +376,19 @@ void KScheduler::ClearSchedulerUpdateNeeded(KernelCore& kernel) {
}
void KScheduler::DisableScheduling(KernelCore& kernel) {
if (auto* scheduler = kernel.CurrentScheduler(); scheduler) {
ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 0);
scheduler->GetCurrentThread()->DisableDispatch();
}
ASSERT(GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() >= 0);
GetCurrentThreadPointer(kernel)->DisableDispatch();
}
void KScheduler::EnableScheduling(KernelCore& kernel, u64 cores_needing_scheduling) {
if (auto* scheduler = kernel.CurrentScheduler(); scheduler) {
ASSERT(scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 1);
if (scheduler->GetCurrentThread()->GetDisableDispatchCount() >= 1) {
scheduler->GetCurrentThread()->EnableDispatch();
}
}
ASSERT(GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() >= 1);
if (GetCurrentThreadPointer(kernel)->GetDisableDispatchCount() > 1) {
GetCurrentThreadPointer(kernel)->EnableDispatch();
} else {
RescheduleCores(kernel, cores_needing_scheduling);
}
}
u64 KScheduler::UpdateHighestPriorityThreads(KernelCore& kernel) {
if (IsSchedulerUpdateNeeded(kernel)) {
@@ -617,13 +615,17 @@ KScheduler::KScheduler(Core::System& system_, s32 core_id_) : system{system_}, c
state.highest_priority_thread = nullptr;
}
KScheduler::~KScheduler() {
void KScheduler::Finalize() {
if (idle_thread) {
idle_thread->Close();
idle_thread = nullptr;
}
}
KScheduler::~KScheduler() {
ASSERT(!idle_thread);
}
KThread* KScheduler::GetCurrentThread() const {
if (auto result = current_thread.load(); result) {
return result;
@@ -642,10 +644,12 @@ void KScheduler::RescheduleCurrentCore() {
if (phys_core.IsInterrupted()) {
phys_core.ClearInterrupt();
}
guard.Lock();
if (state.needs_scheduling.load()) {
Schedule();
} else {
GetCurrentThread()->EnableDispatch();
guard.Unlock();
}
}
@@ -655,27 +659,34 @@ void KScheduler::OnThreadStart() {
}
void KScheduler::Unload(KThread* thread) {
ASSERT(thread);
LOG_TRACE(Kernel, "core {}, unload thread {}", core_id, thread ? thread->GetName() : "nullptr");
if (thread) {
if (thread->IsCallingSvc()) {
thread->ClearIsCallingSvc();
}
if (!thread->IsTerminationRequested()) {
prev_thread = thread;
Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
auto& physical_core = system.Kernel().PhysicalCore(core_id);
if (!physical_core.IsInitialized()) {
return;
}
Core::ARM_Interface& cpu_core = physical_core.ArmInterface();
cpu_core.SaveContext(thread->GetContext32());
cpu_core.SaveContext(thread->GetContext64());
// Save the TPIDR_EL0 system register in case it was modified.
thread->SetTPIDR_EL0(cpu_core.GetTPIDR_EL0());
cpu_core.ClearExclusiveState();
if (!thread->IsTerminationRequested() && thread->GetActiveCore() == core_id) {
prev_thread = thread;
} else {
prev_thread = nullptr;
}
thread->context_guard.Unlock();
}
}
void KScheduler::Reload(KThread* thread) {
LOG_TRACE(Kernel, "core {}, reload thread {}", core_id, thread ? thread->GetName() : "nullptr");
@@ -683,11 +694,6 @@ void KScheduler::Reload(KThread* thread) {
if (thread) {
ASSERT_MSG(thread->GetState() == ThreadState::Runnable, "Thread must be runnable.");
auto* const thread_owner_process = thread->GetOwnerProcess();
if (thread_owner_process != nullptr) {
system.Kernel().MakeCurrentProcess(thread_owner_process);
}
Core::ARM_Interface& cpu_core = system.ArmInterface(core_id);
cpu_core.LoadContext(thread->GetContext32());
cpu_core.LoadContext(thread->GetContext64());
@@ -705,7 +711,7 @@ void KScheduler::SwitchContextStep2() {
}
void KScheduler::ScheduleImpl() {
KThread* previous_thread = current_thread.load();
KThread* previous_thread = GetCurrentThread();
KThread* next_thread = state.highest_priority_thread;
state.needs_scheduling = false;
@@ -717,10 +723,15 @@ void KScheduler::ScheduleImpl() {
// If we're not actually switching thread, there's nothing to do.
if (next_thread == current_thread.load()) {
previous_thread->EnableDispatch();
guard.Unlock();
return;
}
if (next_thread->GetCurrentCore() != core_id) {
next_thread->SetCurrentCore(core_id);
}
current_thread.store(next_thread);
KProcess* const previous_process = system.Kernel().CurrentProcess();
@@ -731,11 +742,7 @@ void KScheduler::ScheduleImpl() {
Unload(previous_thread);
std::shared_ptr<Common::Fiber>* old_context;
if (previous_thread != nullptr) {
old_context = &previous_thread->GetHostContext();
} else {
old_context = &idle_thread->GetHostContext();
}
guard.Unlock();
Common::Fiber::YieldTo(*old_context, *switch_fiber);

2
src/core/hle/kernel/k_scheduler.h
View File

@@ -33,6 +33,8 @@ public:
explicit KScheduler(Core::System& system_, s32 core_id_);
~KScheduler();
void Finalize();
/// Reschedules to the next available thread (call after current thread is suspended)
void RescheduleCurrentCore();

21
src/core/hle/kernel/k_thread.cpp
View File

@@ -14,6 +14,7 @@
#include "common/fiber.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
#include "common/settings.h"
#include "common/thread_queue_list.h"
#include "core/core.h"
#include "core/cpu_manager.h"
@@ -188,7 +189,7 @@ ResultCode KThread::Initialize(KThreadFunction func, uintptr_t arg, VAddr user_s
// Setup the stack parameters.
StackParameters& sp = GetStackParameters();
sp.cur_thread = this;
sp.disable_count = 1;
sp.disable_count = 0;
SetInExceptionHandler();
// Set thread ID.
@@ -215,9 +216,10 @@ ResultCode KThread::InitializeThread(KThread* thread, KThreadFunction func, uint
// Initialize the thread.
R_TRY(thread->Initialize(func, arg, user_stack_top, prio, core, owner, type));
// Initialize host context.
// Initialize emulation parameters.
thread->host_context =
std::make_shared<Common::Fiber>(std::move(init_func), init_func_parameter);
thread->is_single_core = !Settings::values.use_multi_core.GetValue();
return ResultSuccess;
}
@@ -970,6 +972,9 @@ ResultCode KThread::Run() {
// Set our state and finish.
SetState(ThreadState::Runnable);
DisableDispatch();
return ResultSuccess;
}
}
@@ -1054,4 +1059,16 @@ s32 GetCurrentCoreId(KernelCore& kernel) {
return GetCurrentThread(kernel).GetCurrentCore();
}
KScopedDisableDispatch::~KScopedDisableDispatch() {
if (GetCurrentThread(kernel).GetDisableDispatchCount() <= 1) {
auto scheduler = kernel.CurrentScheduler();
if (scheduler) {
scheduler->RescheduleCurrentCore();
}
} else {
GetCurrentThread(kernel).EnableDispatch();
}
}
} // namespace Kernel

36
src/core/hle/kernel/k_thread.h
View File

@@ -450,16 +450,39 @@ public:
sleeping_queue = q;
}
[[nodiscard]] bool IsKernelThread() const {
return GetActiveCore() == 3;
}
[[nodiscard]] bool IsDispatchTrackingDisabled() const {
return is_single_core || IsKernelThread();
}
[[nodiscard]] s32 GetDisableDispatchCount() const {
if (IsDispatchTrackingDisabled()) {
// TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
return 1;
}
return this->GetStackParameters().disable_count;
}
void DisableDispatch() {
if (IsDispatchTrackingDisabled()) {
// TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
return;
}
ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() >= 0);
this->GetStackParameters().disable_count++;
}
void EnableDispatch() {
if (IsDispatchTrackingDisabled()) {
// TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
return;
}
ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() > 0);
this->GetStackParameters().disable_count--;
}
@@ -708,6 +731,7 @@ private:
// For emulation
std::shared_ptr<Common::Fiber> host_context{};
bool is_single_core{};
// For debugging
std::vector<KSynchronizationObject*> wait_objects_for_debugging;
@@ -752,4 +776,16 @@ public:
}
};
class KScopedDisableDispatch {
public:
[[nodiscard]] explicit KScopedDisableDispatch(KernelCore& kernel_) : kernel{kernel_} {
GetCurrentThread(kernel).DisableDispatch();
}
~KScopedDisableDispatch();
private:
KernelCore& kernel;
};
} // namespace Kernel

57
src/core/hle/kernel/kernel.cpp
View File

@@ -85,8 +85,9 @@ struct KernelCore::Impl {
}
void InitializeCores() {
for (auto& core : cores) {
core.Initialize(current_process->Is64BitProcess());
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
cores[core_id].Initialize(current_process->Is64BitProcess());
system.Memory().SetCurrentPageTable(*current_process, core_id);
}
}
@@ -131,15 +132,6 @@ struct KernelCore::Impl {
next_user_process_id = KProcess::ProcessIDMin;
next_thread_id = 1;
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
if (suspend_threads[core_id]) {
suspend_threads[core_id]->Close();
suspend_threads[core_id] = nullptr;
}
schedulers[core_id].reset();
}
cores.clear();
global_handle_table->Finalize();
@@ -167,6 +159,16 @@ struct KernelCore::Impl {
CleanupObject(time_shared_mem);
CleanupObject(system_resource_limit);
for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) {
if (suspend_threads[core_id]) {
suspend_threads[core_id]->Close();
suspend_threads[core_id] = nullptr;
}
schedulers[core_id]->Finalize();
schedulers[core_id].reset();
}
// Next host thead ID to use, 0-3 IDs represent core threads, >3 represent others
next_host_thread_id = Core::Hardware::NUM_CPU_CORES;
@@ -257,14 +259,6 @@ struct KernelCore::Impl {
void MakeCurrentProcess(KProcess* process) {
current_process = process;
if (process == nullptr) {
return;
}
const u32 core_id = GetCurrentHostThreadID();
if (core_id < Core::Hardware::NUM_CPU_CORES) {
system.Memory().SetCurrentPageTable(*process, core_id);
}
}
/// Creates a new host thread ID, should only be called by GetHostThreadId
@@ -824,16 +818,20 @@ const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const {
return impl->cores[id];
}
size_t KernelCore::CurrentPhysicalCoreIndex() const {
const u32 core_id = impl->GetCurrentHostThreadID();
if (core_id >= Core::Hardware::NUM_CPU_CORES) {
return Core::Hardware::NUM_CPU_CORES - 1;
}
return core_id;
}
Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() {
u32 core_id = impl->GetCurrentHostThreadID();
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
return impl->cores[core_id];
return impl->cores[CurrentPhysicalCoreIndex()];
}
const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const {
u32 core_id = impl->GetCurrentHostThreadID();
ASSERT(core_id < Core::Hardware::NUM_CPU_CORES);
return impl->cores[core_id];
return impl->cores[CurrentPhysicalCoreIndex()];
}
Kernel::KScheduler* KernelCore::CurrentScheduler() {
@@ -1026,6 +1024,9 @@ void KernelCore::Suspend(bool in_suspention) {
impl->suspend_threads[core_id]->SetState(state);
impl->suspend_threads[core_id]->SetWaitReasonForDebugging(
ThreadWaitReasonForDebugging::Suspended);
if (!should_suspend) {
impl->suspend_threads[core_id]->DisableDispatch();
}
}
}
}
@@ -1040,13 +1041,11 @@ void KernelCore::ExceptionalExit() {
}
void KernelCore::EnterSVCProfile() {
std::size_t core = impl->GetCurrentHostThreadID();
impl->svc_ticks[core] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC));
impl->svc_ticks[CurrentPhysicalCoreIndex()] = MicroProfileEnter(MICROPROFILE_TOKEN(Kernel_SVC));
}
void KernelCore::ExitSVCProfile() {
std::size_t core = impl->GetCurrentHostThreadID();
MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]);
MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[CurrentPhysicalCoreIndex()]);
}
std::weak_ptr<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) {

3
src/core/hle/kernel/kernel.h
View File

@@ -146,6 +146,9 @@ public:
/// Gets the an instance of the respective physical CPU core.
const Kernel::PhysicalCore& PhysicalCore(std::size_t id) const;
/// Gets the current physical core index for the running host thread.
std::size_t CurrentPhysicalCoreIndex() const;
/// Gets the sole instance of the Scheduler at the current running core.
Kernel::KScheduler* CurrentScheduler();

2
src/core/hle/kernel/svc.cpp
View File

@@ -877,7 +877,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, Handle
const u64 thread_ticks = current_thread->GetCpuTime();
out_ticks = thread_ticks + (core_timing.GetCPUTicks() - prev_ctx_ticks);
} else if (same_thread && info_sub_id == system.CurrentCoreIndex()) {
} else if (same_thread && info_sub_id == system.Kernel().CurrentPhysicalCoreIndex()) {
out_ticks = core_timing.GetCPUTicks() - prev_ctx_ticks;
}

25
src/core/hle/service/nvflinger/buffer_queue.cpp
View File

@@ -9,17 +9,20 @@
#include "core/core.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
namespace Service::NVFlinger {
BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_)
: id(id_), layer_id(layer_id_), buffer_wait_event{kernel} {
Kernel::KAutoObject::Create(std::addressof(buffer_wait_event));
buffer_wait_event.Initialize("BufferQueue:WaitEvent");
BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
KernelHelpers::ServiceContext& service_context_)
: id(id_), layer_id(layer_id_), service_context{service_context_} {
buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent");
}
BufferQueue::~BufferQueue() = default;
BufferQueue::~BufferQueue() {
service_context.CloseEvent(buffer_wait_event);
}
void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
ASSERT(slot < buffer_slots);
@@ -41,7 +44,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
.multi_fence = {},
};
buffer_wait_event.GetWritableEvent().Signal();
buffer_wait_event->GetWritableEvent().Signal();
}
std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width,
@@ -119,7 +122,7 @@ void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& mult
}
free_buffers_condition.notify_one();
buffer_wait_event.GetWritableEvent().Signal();
buffer_wait_event->GetWritableEvent().Signal();
}
std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
@@ -154,7 +157,7 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
}
free_buffers_condition.notify_one();
buffer_wait_event.GetWritableEvent().Signal();
buffer_wait_event->GetWritableEvent().Signal();
}
void BufferQueue::Connect() {
@@ -169,7 +172,7 @@ void BufferQueue::Disconnect() {
std::unique_lock lock{queue_sequence_mutex};
queue_sequence.clear();
}
buffer_wait_event.GetWritableEvent().Signal();
buffer_wait_event->GetWritableEvent().Signal();
is_connect = false;
free_buffers_condition.notify_one();
}
@@ -189,11 +192,11 @@ u32 BufferQueue::Query(QueryType type) {
}
Kernel::KWritableEvent& BufferQueue::GetWritableBufferWaitEvent() {
return buffer_wait_event.GetWritableEvent();
return buffer_wait_event->GetWritableEvent();
}
Kernel::KReadableEvent& BufferQueue::GetBufferWaitEvent() {
return buffer_wait_event.GetReadableEvent();
return buffer_wait_event->GetReadableEvent();
}
} // namespace Service::NVFlinger

11
src/core/hle/service/nvflinger/buffer_queue.h
View File

@@ -24,6 +24,10 @@ class KReadableEvent;
class KWritableEvent;
} // namespace Kernel
namespace Service::KernelHelpers {
class ServiceContext;
} // namespace Service::KernelHelpers
namespace Service::NVFlinger {
constexpr u32 buffer_slots = 0x40;
@@ -54,7 +58,8 @@ public:
NativeWindowFormat = 2,
};
explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_);
explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
KernelHelpers::ServiceContext& service_context_);
~BufferQueue();
enum class BufferTransformFlags : u32 {
@@ -130,12 +135,14 @@ private:
std::list<u32> free_buffers;
std::array<Buffer, buffer_slots> buffers;
std::list<u32> queue_sequence;
Kernel::KEvent buffer_wait_event;
Kernel::KEvent* buffer_wait_event{};
std::mutex free_buffers_mutex;
std::condition_variable free_buffers_condition;
std::mutex queue_sequence_mutex;
KernelHelpers::ServiceContext& service_context;
};
} // namespace Service::NVFlinger

15
src/core/hle/service/nvflinger/nvflinger.cpp
View File

@@ -61,12 +61,13 @@ void NVFlinger::SplitVSync() {
}
}
NVFlinger::NVFlinger(Core::System& system_) : system(system_) {
displays.emplace_back(0, "Default", system);
displays.emplace_back(1, "External", system);
displays.emplace_back(2, "Edid", system);
displays.emplace_back(3, "Internal", system);
displays.emplace_back(4, "Null", system);
NVFlinger::NVFlinger(Core::System& system_)
: system(system_), service_context(system_, "nvflinger") {
displays.emplace_back(0, "Default", service_context, system);
displays.emplace_back(1, "External", service_context, system);
displays.emplace_back(2, "Edid", service_context, system);
displays.emplace_back(3, "Internal", service_context, system);
displays.emplace_back(4, "Null", service_context, system);
guard = std::make_shared<std::mutex>();
// Schedule the screen composition events
@@ -146,7 +147,7 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
void NVFlinger::CreateLayerAtId(VI::Display& display, u64 layer_id) {
const u32 buffer_queue_id = next_buffer_queue_id++;
buffer_queues.emplace_back(
std::make_unique<BufferQueue>(system.Kernel(), buffer_queue_id, layer_id));
std::make_unique<BufferQueue>(system.Kernel(), buffer_queue_id, layer_id, service_context));
display.CreateLayer(layer_id, *buffer_queues.back());
}

3
src/core/hle/service/nvflinger/nvflinger.h
View File

@@ -15,6 +15,7 @@
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
namespace Common {
class Event;
@@ -135,6 +136,8 @@ private:
std::unique_ptr<std::thread> vsync_thread;
std::unique_ptr<Common::Event> wait_event;
std::atomic<bool> is_running{};
KernelHelpers::ServiceContext service_context;
};
} // namespace Service::NVFlinger

17
src/core/hle/service/vi/display/vi_display.cpp
View File

@@ -12,18 +12,21 @@
#include "core/hle/kernel/k_event.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_writable_event.h"
#include "core/hle/service/kernel_helpers.h"
#include "core/hle/service/vi/display/vi_display.h"
#include "core/hle/service/vi/layer/vi_layer.h"
namespace Service::VI {
Display::Display(u64 id, std::string name_, Core::System& system)
: display_id{id}, name{std::move(name_)}, vsync_event{system.Kernel()} {
Kernel::KAutoObject::Create(std::addressof(vsync_event));
vsync_event.Initialize(fmt::format("Display VSync Event {}", id));
Display::Display(u64 id, std::string name_, KernelHelpers::ServiceContext& service_context_,
Core::System& system_)
: display_id{id}, name{std::move(name_)}, service_context{service_context_} {
vsync_event = service_context.CreateEvent(fmt::format("Display VSync Event {}", id));
}
Display::~Display() = default;
Display::~Display() {
service_context.CloseEvent(vsync_event);
}
Layer& Display::GetLayer(std::size_t index) {
return *layers.at(index);
@@ -34,11 +37,11 @@ const Layer& Display::GetLayer(std::size_t index) const {
}
Kernel::KReadableEvent& Display::GetVSyncEvent() {
return vsync_event.GetReadableEvent();
return vsync_event->GetReadableEvent();
}
void Display::SignalVSyncEvent() {
vsync_event.GetWritableEvent().Signal();
vsync_event->GetWritableEvent().Signal();
}
void Display::CreateLayer(u64 layer_id, NVFlinger::BufferQueue& buffer_queue) {

11
src/core/hle/service/vi/display/vi_display.h
View File

@@ -18,6 +18,9 @@ class KEvent;
namespace Service::NVFlinger {
class BufferQueue;
}
namespace Service::KernelHelpers {
class ServiceContext;
} // namespace Service::KernelHelpers
namespace Service::VI {
@@ -32,9 +35,12 @@ public:
/// Constructs a display with a given unique ID and name.
///
/// @param id The unique ID for this display.
/// @param service_context_ The ServiceContext for the owning service.
/// @param name_ The name for this display.
/// @param system_ The global system instance.
///
Display(u64 id, std::string name_, Core::System& system);
Display(u64 id, std::string name_, KernelHelpers::ServiceContext& service_context_,
Core::System& system_);
~Display();
/// Gets the unique ID assigned to this display.
@@ -98,9 +104,10 @@ public:
private:
u64 display_id;
std::string name;
KernelHelpers::ServiceContext& service_context;
std::vector<std::shared_ptr<Layer>> layers;
Kernel::KEvent vsync_event;
Kernel::KEvent* vsync_event{};
};
} // namespace Service::VI