SVC: Correct GetThreadPriority, SetThreadPriority, GetThreadCoreMask, SetThreadCoreMask, GetCurrentProcessorNumber
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49ba563995
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589f9cf108
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@ -467,6 +467,14 @@ const Kernel::Scheduler& System::CurrentScheduler() const {
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return impl->CurrentPhysicalCore().Scheduler();
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}
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Kernel::PhysicalCore& System::CurrentPhysicalCore() {
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return impl->CurrentPhysicalCore();
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}
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const Kernel::PhysicalCore& System::CurrentPhysicalCore() const {
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return impl->CurrentPhysicalCore();
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}
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Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
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return impl->GetPhysicalCore(core_index).Scheduler();
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}
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@ -27,6 +27,7 @@ class VfsFilesystem;
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namespace Kernel {
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class GlobalScheduler;
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class KernelCore;
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class PhysicalCore;
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class Process;
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class Scheduler;
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} // namespace Kernel
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@ -211,6 +212,12 @@ public:
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/// Gets the scheduler for the CPU core that is currently running
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const Kernel::Scheduler& CurrentScheduler() const;
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/// Gets the physical core for the CPU core that is currently running
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Kernel::PhysicalCore& CurrentPhysicalCore();
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/// Gets the physical core for the CPU core that is currently running
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const Kernel::PhysicalCore& CurrentPhysicalCore() const;
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/// Gets a reference to an ARM interface for the CPU core with the specified index
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ARM_Interface& ArmInterface(std::size_t core_index);
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@ -27,6 +27,7 @@
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#include "core/hle/kernel/memory/memory_block.h"
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#include "core/hle/kernel/memory/page_table.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/physical_core.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/readable_event.h"
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#include "core/hle/kernel/resource_limit.h"
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@ -1071,6 +1072,7 @@ static ResultCode GetThreadPriority(Core::System& system, u32* priority, Handle
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const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
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const std::shared_ptr<Thread> thread = handle_table.Get<Thread>(handle);
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if (!thread) {
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*priority = 0;
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LOG_ERROR(Kernel_SVC, "Thread handle does not exist, handle=0x{:08X}", handle);
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return ERR_INVALID_HANDLE;
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}
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@ -1105,14 +1107,13 @@ static ResultCode SetThreadPriority(Core::System& system, Handle handle, u32 pri
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thread->SetPriority(priority);
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system.PrepareReschedule(thread->GetProcessorID());
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return RESULT_SUCCESS;
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}
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/// Get which CPU core is executing the current thread
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static u32 GetCurrentProcessorNumber(Core::System& system) {
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LOG_TRACE(Kernel_SVC, "called");
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return system.CurrentScheduler().GetCurrentThread()->GetProcessorID();
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return static_cast<u32>(system.CurrentPhysicalCore().CoreIndex());
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}
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static ResultCode MapSharedMemory(Core::System& system, Handle shared_memory_handle, VAddr addr,
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@ -1430,8 +1431,8 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
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ThreadType type = THREADTYPE_USER;
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CASCADE_RESULT(std::shared_ptr<Thread> thread,
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Thread::Create(system, type, "", entry_point, priority, arg, processor_id, stack_top,
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current_process));
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Thread::Create(system, type, "", entry_point, priority, arg, processor_id,
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stack_top, current_process));
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const auto new_thread_handle = current_process->GetHandleTable().Create(thread);
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if (new_thread_handle.Failed()) {
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@ -1804,6 +1805,8 @@ static ResultCode GetThreadCoreMask(Core::System& system, Handle thread_handle,
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if (!thread) {
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LOG_ERROR(Kernel_SVC, "Thread handle does not exist, thread_handle=0x{:08X}",
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thread_handle);
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*core = 0;
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*mask = 0;
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return ERR_INVALID_HANDLE;
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}
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@ -1866,11 +1869,7 @@ static ResultCode SetThreadCoreMask(Core::System& system, Handle thread_handle,
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return ERR_INVALID_HANDLE;
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}
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system.PrepareReschedule(thread->GetProcessorID());
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thread->ChangeCore(core, affinity_mask);
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system.PrepareReschedule(thread->GetProcessorID());
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return RESULT_SUCCESS;
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return thread->SetCoreAndAffinityMask(core, affinity_mask);
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}
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static ResultCode CreateEvent(Core::System& system, Handle* write_handle, Handle* read_handle) {
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@ -250,6 +250,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
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}
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void Thread::SetPriority(u32 priority) {
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SchedulerLock lock(kernel);
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ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
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"Invalid priority value.");
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nominal_priority = priority;
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@ -383,10 +384,6 @@ void Thread::UpdatePriority() {
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lock_owner->UpdatePriority();
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}
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void Thread::ChangeCore(u32 core, u64 mask) {
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SetCoreAndAffinityMask(core, mask);
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}
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bool Thread::AllSynchronizationObjectsReady() const {
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return std::none_of(wait_objects.begin(), wait_objects.end(),
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[this](const std::shared_ptr<SynchronizationObject>& object) {
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@ -467,6 +464,7 @@ void Thread::SetCurrentPriority(u32 new_priority) {
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}
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ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
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SchedulerLock lock(kernel);
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const auto HighestSetCore = [](u64 mask, u32 max_cores) {
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for (s32 core = static_cast<s32>(max_cores - 1); core >= 0; core--) {
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if (((mask >> core) & 1) != 0) {
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@ -221,7 +221,7 @@ public:
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void UpdatePriority();
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/// Changes the core that the thread is running or scheduled to run on.
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void ChangeCore(u32 core, u64 mask);
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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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@ -522,7 +522,6 @@ private:
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void SetSchedulingStatus(ThreadSchedStatus new_status);
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void SetCurrentPriority(u32 new_priority);
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ResultCode SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask);
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void AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core);
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