diff options
Diffstat (limited to '')
| -rw-r--r-- | src/core/hle/kernel/k_priority_queue.h | 168 |
1 files changed, 86 insertions, 82 deletions
diff --git a/src/core/hle/kernel/k_priority_queue.h b/src/core/hle/kernel/k_priority_queue.h index cb2512b0b..26677ec65 100644 --- a/src/core/hle/kernel/k_priority_queue.h +++ b/src/core/hle/kernel/k_priority_queue.h @@ -17,35 +17,41 @@ namespace Kernel { class KThread; template <typename T> -concept KPriorityQueueAffinityMask = !std::is_reference_v<T> && requires(T & t) { - { t.GetAffinityMask() } -> Common::ConvertibleTo<u64>; - {t.SetAffinityMask(0)}; +concept KPriorityQueueAffinityMask = ! +std::is_reference_v<T>&& requires(T& t) { + { t.GetAffinityMask() } -> Common::ConvertibleTo<u64>; + { t.SetAffinityMask(0) }; - { t.GetAffinity(0) } -> std::same_as<bool>; - {t.SetAffinity(0, false)}; - {t.SetAll()}; -}; + { t.GetAffinity(0) } -> std::same_as<bool>; + { t.SetAffinity(0, false) }; + { t.SetAll() }; + }; template <typename T> -concept KPriorityQueueMember = !std::is_reference_v<T> && requires(T & t) { - {typename T::QueueEntry()}; - {(typename T::QueueEntry()).Initialize()}; - {(typename T::QueueEntry()).SetPrev(std::addressof(t))}; - {(typename T::QueueEntry()).SetNext(std::addressof(t))}; - { (typename T::QueueEntry()).GetNext() } -> std::same_as<T*>; - { (typename T::QueueEntry()).GetPrev() } -> std::same_as<T*>; - { t.GetPriorityQueueEntry(0) } -> std::same_as<typename T::QueueEntry&>; - - {t.GetAffinityMask()}; - { std::remove_cvref_t<decltype(t.GetAffinityMask())>() } -> KPriorityQueueAffinityMask; - - { t.GetActiveCore() } -> Common::ConvertibleTo<s32>; - { t.GetPriority() } -> Common::ConvertibleTo<s32>; - { t.IsDummyThread() } -> Common::ConvertibleTo<bool>; -}; +concept KPriorityQueueMember = ! +std::is_reference_v<T>&& requires(T& t) { + { typename T::QueueEntry() }; + { (typename T::QueueEntry()).Initialize() }; + { (typename T::QueueEntry()).SetPrev(std::addressof(t)) }; + { (typename T::QueueEntry()).SetNext(std::addressof(t)) }; + { (typename T::QueueEntry()).GetNext() } -> std::same_as<T*>; + { (typename T::QueueEntry()).GetPrev() } -> std::same_as<T*>; + { + t.GetPriorityQueueEntry(0) + } -> std::same_as<typename T::QueueEntry&>; + + { t.GetAffinityMask() }; + { + std::remove_cvref_t<decltype(t.GetAffinityMask())>() + } -> KPriorityQueueAffinityMask; + + { t.GetActiveCore() } -> Common::ConvertibleTo<s32>; + { t.GetPriority() } -> Common::ConvertibleTo<s32>; + { t.IsDummyThread() } -> Common::ConvertibleTo<bool>; + }; template <typename Member, size_t NumCores_, int LowestPriority, int HighestPriority> -requires KPriorityQueueMember<Member> + requires KPriorityQueueMember<Member> class KPriorityQueue { public: using AffinityMaskType = std::remove_cv_t< @@ -71,11 +77,11 @@ private: public: class KPerCoreQueue { private: - std::array<Entry, NumCores> root{}; + std::array<Entry, NumCores> m_root{}; public: constexpr KPerCoreQueue() { - for (auto& per_core_root : root) { + for (auto& per_core_root : m_root) { per_core_root.Initialize(); } } @@ -85,15 +91,15 @@ public: Entry& member_entry = member->GetPriorityQueueEntry(core); // Get the entry associated with the end of the queue. - Member* tail = this->root[core].GetPrev(); + Member* tail = m_root[core].GetPrev(); Entry& tail_entry = - (tail != nullptr) ? tail->GetPriorityQueueEntry(core) : this->root[core]; + (tail != nullptr) ? tail->GetPriorityQueueEntry(core) : m_root[core]; // Link the entries. member_entry.SetPrev(tail); member_entry.SetNext(nullptr); tail_entry.SetNext(member); - this->root[core].SetPrev(member); + m_root[core].SetPrev(member); return tail == nullptr; } @@ -103,15 +109,15 @@ public: Entry& member_entry = member->GetPriorityQueueEntry(core); // Get the entry associated with the front of the queue. - Member* head = this->root[core].GetNext(); + Member* head = m_root[core].GetNext(); Entry& head_entry = - (head != nullptr) ? head->GetPriorityQueueEntry(core) : this->root[core]; + (head != nullptr) ? head->GetPriorityQueueEntry(core) : m_root[core]; // Link the entries. member_entry.SetPrev(nullptr); member_entry.SetNext(head); head_entry.SetPrev(member); - this->root[core].SetNext(member); + m_root[core].SetNext(member); return (head == nullptr); } @@ -124,9 +130,9 @@ public: Member* prev = member_entry.GetPrev(); Member* next = member_entry.GetNext(); Entry& prev_entry = - (prev != nullptr) ? prev->GetPriorityQueueEntry(core) : this->root[core]; + (prev != nullptr) ? prev->GetPriorityQueueEntry(core) : m_root[core]; Entry& next_entry = - (next != nullptr) ? next->GetPriorityQueueEntry(core) : this->root[core]; + (next != nullptr) ? next->GetPriorityQueueEntry(core) : m_root[core]; // Unlink. prev_entry.SetNext(next); @@ -136,7 +142,7 @@ public: } constexpr Member* GetFront(s32 core) const { - return this->root[core].GetNext(); + return m_root[core].GetNext(); } }; @@ -152,8 +158,8 @@ public: return; } - if (this->queues[priority].PushBack(core, member)) { - this->available_priorities[core].SetBit(priority); + if (m_queues[priority].PushBack(core, member)) { + m_available_priorities[core].SetBit(priority); } } @@ -165,8 +171,8 @@ public: return; } - if (this->queues[priority].PushFront(core, member)) { - this->available_priorities[core].SetBit(priority); + if (m_queues[priority].PushFront(core, member)) { + m_available_priorities[core].SetBit(priority); } } @@ -178,18 +184,17 @@ public: return; } - if (this->queues[priority].Remove(core, member)) { - this->available_priorities[core].ClearBit(priority); + if (m_queues[priority].Remove(core, member)) { + m_available_priorities[core].ClearBit(priority); } } constexpr Member* GetFront(s32 core) const { ASSERT(IsValidCore(core)); - const s32 priority = - static_cast<s32>(this->available_priorities[core].CountLeadingZero()); + const s32 priority = static_cast<s32>(m_available_priorities[core].CountLeadingZero()); if (priority <= LowestPriority) { - return this->queues[priority].GetFront(core); + return m_queues[priority].GetFront(core); } else { return nullptr; } @@ -200,7 +205,7 @@ public: ASSERT(IsValidPriority(priority)); if (priority <= LowestPriority) { - return this->queues[priority].GetFront(core); + return m_queues[priority].GetFront(core); } else { return nullptr; } @@ -212,9 +217,9 @@ public: Member* next = member->GetPriorityQueueEntry(core).GetNext(); if (next == nullptr) { const s32 priority = static_cast<s32>( - this->available_priorities[core].GetNextSet(member->GetPriority())); + m_available_priorities[core].GetNextSet(member->GetPriority())); if (priority <= LowestPriority) { - next = this->queues[priority].GetFront(core); + next = m_queues[priority].GetFront(core); } } return next; @@ -225,8 +230,8 @@ public: ASSERT(IsValidPriority(priority)); if (priority <= LowestPriority) { - this->queues[priority].Remove(core, member); - this->queues[priority].PushFront(core, member); + m_queues[priority].Remove(core, member); + m_queues[priority].PushFront(core, member); } } @@ -235,29 +240,29 @@ public: ASSERT(IsValidPriority(priority)); if (priority <= LowestPriority) { - this->queues[priority].Remove(core, member); - this->queues[priority].PushBack(core, member); - return this->queues[priority].GetFront(core); + m_queues[priority].Remove(core, member); + m_queues[priority].PushBack(core, member); + return m_queues[priority].GetFront(core); } else { return nullptr; } } private: - std::array<KPerCoreQueue, NumPriority> queues{}; - std::array<Common::BitSet64<NumPriority>, NumCores> available_priorities{}; + std::array<KPerCoreQueue, NumPriority> m_queues{}; + std::array<Common::BitSet64<NumPriority>, NumCores> m_available_priorities{}; }; private: - KPriorityQueueImpl scheduled_queue; - KPriorityQueueImpl suggested_queue; + KPriorityQueueImpl m_scheduled_queue; + KPriorityQueueImpl m_suggested_queue; private: - constexpr void ClearAffinityBit(u64& affinity, s32 core) { + static constexpr void ClearAffinityBit(u64& affinity, s32 core) { affinity &= ~(UINT64_C(1) << core); } - constexpr s32 GetNextCore(u64& affinity) { + static constexpr s32 GetNextCore(u64& affinity) { const s32 core = std::countr_zero(affinity); ClearAffinityBit(affinity, core); return core; @@ -269,13 +274,13 @@ private: // Push onto the scheduled queue for its core, if we can. u64 affinity = member->GetAffinityMask().GetAffinityMask(); if (const s32 core = member->GetActiveCore(); core >= 0) { - this->scheduled_queue.PushBack(priority, core, member); + m_scheduled_queue.PushBack(priority, core, member); ClearAffinityBit(affinity, core); } // And suggest the thread for all other cores. while (affinity) { - this->suggested_queue.PushBack(priority, GetNextCore(affinity), member); + m_suggested_queue.PushBack(priority, GetNextCore(affinity), member); } } @@ -285,14 +290,14 @@ private: // Push onto the scheduled queue for its core, if we can. u64 affinity = member->GetAffinityMask().GetAffinityMask(); if (const s32 core = member->GetActiveCore(); core >= 0) { - this->scheduled_queue.PushFront(priority, core, member); + m_scheduled_queue.PushFront(priority, core, member); ClearAffinityBit(affinity, core); } // And suggest the thread for all other cores. // Note: Nintendo pushes onto the back of the suggested queue, not the front. while (affinity) { - this->suggested_queue.PushBack(priority, GetNextCore(affinity), member); + m_suggested_queue.PushBack(priority, GetNextCore(affinity), member); } } @@ -302,13 +307,13 @@ private: // Remove from the scheduled queue for its core. u64 affinity = member->GetAffinityMask().GetAffinityMask(); if (const s32 core = member->GetActiveCore(); core >= 0) { - this->scheduled_queue.Remove(priority, core, member); + m_scheduled_queue.Remove(priority, core, member); ClearAffinityBit(affinity, core); } // Remove from the suggested queue for all other cores. while (affinity) { - this->suggested_queue.Remove(priority, GetNextCore(affinity), member); + m_suggested_queue.Remove(priority, GetNextCore(affinity), member); } } @@ -317,27 +322,27 @@ public: // Getters. constexpr Member* GetScheduledFront(s32 core) const { - return this->scheduled_queue.GetFront(core); + return m_scheduled_queue.GetFront(core); } constexpr Member* GetScheduledFront(s32 core, s32 priority) const { - return this->scheduled_queue.GetFront(priority, core); + return m_scheduled_queue.GetFront(priority, core); } constexpr Member* GetSuggestedFront(s32 core) const { - return this->suggested_queue.GetFront(core); + return m_suggested_queue.GetFront(core); } constexpr Member* GetSuggestedFront(s32 core, s32 priority) const { - return this->suggested_queue.GetFront(priority, core); + return m_suggested_queue.GetFront(priority, core); } constexpr Member* GetScheduledNext(s32 core, const Member* member) const { - return this->scheduled_queue.GetNext(core, member); + return m_scheduled_queue.GetNext(core, member); } constexpr Member* GetSuggestedNext(s32 core, const Member* member) const { - return this->suggested_queue.GetNext(core, member); + return m_suggested_queue.GetNext(core, member); } constexpr Member* GetSamePriorityNext(s32 core, const Member* member) const { @@ -369,7 +374,7 @@ public: return; } - this->scheduled_queue.MoveToFront(member->GetPriority(), member->GetActiveCore(), member); + m_scheduled_queue.MoveToFront(member->GetPriority(), member->GetActiveCore(), member); } constexpr KThread* MoveToScheduledBack(Member* member) { @@ -378,8 +383,7 @@ public: return {}; } - return this->scheduled_queue.MoveToBack(member->GetPriority(), member->GetActiveCore(), - member); + return m_scheduled_queue.MoveToBack(member->GetPriority(), member->GetActiveCore(), member); } // First class fancy operations. @@ -419,9 +423,9 @@ public: for (s32 core = 0; core < static_cast<s32>(NumCores); core++) { if (prev_affinity.GetAffinity(core)) { if (core == prev_core) { - this->scheduled_queue.Remove(priority, core, member); + m_scheduled_queue.Remove(priority, core, member); } else { - this->suggested_queue.Remove(priority, core, member); + m_suggested_queue.Remove(priority, core, member); } } } @@ -430,9 +434,9 @@ public: for (s32 core = 0; core < static_cast<s32>(NumCores); core++) { if (new_affinity.GetAffinity(core)) { if (core == new_core) { - this->scheduled_queue.PushBack(priority, core, member); + m_scheduled_queue.PushBack(priority, core, member); } else { - this->suggested_queue.PushBack(priority, core, member); + m_suggested_queue.PushBack(priority, core, member); } } } @@ -452,22 +456,22 @@ public: if (prev_core != new_core) { // Remove from the scheduled queue for the previous core. if (prev_core >= 0) { - this->scheduled_queue.Remove(priority, prev_core, member); + m_scheduled_queue.Remove(priority, prev_core, member); } // Remove from the suggested queue and add to the scheduled queue for the new core. if (new_core >= 0) { - this->suggested_queue.Remove(priority, new_core, member); + m_suggested_queue.Remove(priority, new_core, member); if (to_front) { - this->scheduled_queue.PushFront(priority, new_core, member); + m_scheduled_queue.PushFront(priority, new_core, member); } else { - this->scheduled_queue.PushBack(priority, new_core, member); + m_scheduled_queue.PushBack(priority, new_core, member); } } // Add to the suggested queue for the previous core. if (prev_core >= 0) { - this->suggested_queue.PushBack(priority, prev_core, member); + m_suggested_queue.PushBack(priority, prev_core, member); } } } |