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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/intrusive_red_black_tree.h"
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_auto_object_container.h"
#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_slab_heap.h"
namespace Kernel {
template <class Derived>
class KSlabAllocated {
private:
static inline KSlabHeap<Derived> s_slab_heap;
public:
constexpr KSlabAllocated() = default;
size_t GetSlabIndex() const {
return s_slab_heap.GetIndex(static_cast<const Derived*>(this));
}
public:
static void InitializeSlabHeap(void* memory, size_t memory_size) {
s_slab_heap.Initialize(memory, memory_size);
}
static Derived* Allocate() {
return s_slab_heap.Allocate();
}
static void Free(Derived* obj) {
s_slab_heap.Free(obj);
}
static size_t GetObjectSize() {
return s_slab_heap.GetObjectSize();
}
static size_t GetSlabHeapSize() {
return s_slab_heap.GetSlabHeapSize();
}
static size_t GetPeakIndex() {
return s_slab_heap.GetPeakIndex();
}
static uintptr_t GetSlabHeapAddress() {
return s_slab_heap.GetSlabHeapAddress();
}
static size_t GetNumRemaining() {
return s_slab_heap.GetNumRemaining();
}
};
template <typename Derived, typename Base>
class KAutoObjectWithSlabHeapAndContainer : public Base {
static_assert(std::is_base_of<KAutoObjectWithList, Base>::value);
private:
static inline KSlabHeap<Derived> s_slab_heap;
static inline KAutoObjectWithListContainer s_container;
private:
static Derived* Allocate() {
return s_slab_heap.Allocate();
}
static void Free(Derived* obj) {
s_slab_heap.Free(obj);
}
public:
class ListAccessor : public KAutoObjectWithListContainer::ListAccessor {
public:
ListAccessor() : KAutoObjectWithListContainer::ListAccessor(s_container) {}
~ListAccessor() = default;
};
public:
constexpr KAutoObjectWithSlabHeapAndContainer() : Base() {}
virtual ~KAutoObjectWithSlabHeapAndContainer() {}
virtual void Destroy() override {
const bool is_initialized = this->IsInitialized();
uintptr_t arg = 0;
if (is_initialized) {
s_container.Unregister(this);
arg = this->GetPostDestroyArgument();
this->Finalize();
}
Free(static_cast<Derived*>(this));
if (is_initialized) {
Derived::PostDestroy(arg);
}
}
virtual bool IsInitialized() const {
return true;
}
virtual uintptr_t GetPostDestroyArgument() const {
return 0;
}
size_t GetSlabIndex() const {
return s_slab_heap.GetObjectIndex(static_cast<const Derived*>(this));
}
public:
static void InitializeSlabHeap(void* memory, size_t memory_size) {
s_slab_heap.Initialize(memory, memory_size);
s_container.Initialize();
}
static Derived* Create() {
Derived* obj = Allocate();
if (AMS_LIKELY(obj != nullptr)) {
KAutoObject::Create(obj);
}
return obj;
}
static void Register(Derived* obj) {
return s_container.Register(obj);
}
static size_t GetObjectSize() {
return s_slab_heap.GetObjectSize();
}
static size_t GetSlabHeapSize() {
return s_slab_heap.GetSlabHeapSize();
}
static size_t GetPeakIndex() {
return s_slab_heap.GetPeakIndex();
}
static uintptr_t GetSlabHeapAddress() {
return s_slab_heap.GetSlabHeapAddress();
}
static size_t GetNumRemaining() {
return s_slab_heap.GetNumRemaining();
}
};
} // namespace Kernel
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