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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"
#include "core/hle/kernel/kernel.h"
namespace Kernel {
template <class Derived>
class KSlabAllocated {
public:
constexpr KSlabAllocated() = default;
size_t GetSlabIndex(KernelCore& kernel) const {
return kernel.SlabHeap<Derived>().GetIndex(static_cast<const Derived*>(this));
}
public:
static void InitializeSlabHeap(KernelCore& kernel, void* memory, size_t memory_size) {
kernel.SlabHeap<Derived>().Initialize(memory, memory_size);
}
static Derived* Allocate(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().Allocate();
}
static void Free(KernelCore& kernel, Derived* obj) {
kernel.SlabHeap<Derived>().Free(obj);
}
static size_t GetObjectSize(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetObjectSize();
}
static size_t GetSlabHeapSize(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetSlabHeapSize();
}
static size_t GetPeakIndex(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetPeakIndex();
}
static uintptr_t GetSlabHeapAddress(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetSlabHeapAddress();
}
static size_t GetNumRemaining(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetNumRemaining();
}
};
template <typename Derived, typename Base>
class KAutoObjectWithSlabHeapAndContainer : public Base {
static_assert(std::is_base_of<KAutoObjectWithList, Base>::value);
private:
static Derived* Allocate(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().AllocateWithKernel(kernel);
}
static void Free(KernelCore& kernel, Derived* obj) {
kernel.SlabHeap<Derived>().Free(obj);
}
public:
class ListAccessor : public KAutoObjectWithListContainer::ListAccessor {
public:
ListAccessor() : KAutoObjectWithListContainer::ListAccessor(kernel.ObjectListContainer()) {}
~ListAccessor() = default;
};
public:
KAutoObjectWithSlabHeapAndContainer(KernelCore& kernel_) : Base(kernel_), kernel(kernel_) {}
virtual ~KAutoObjectWithSlabHeapAndContainer() {}
virtual void Destroy() override {
const bool is_initialized = this->IsInitialized();
uintptr_t arg = 0;
if (is_initialized) {
kernel.ObjectListContainer().Unregister(this);
arg = this->GetPostDestroyArgument();
this->Finalize();
}
Free(kernel, 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 SlabHeap<Derived>(kernel).GetObjectIndex(static_cast<const Derived*>(this));
}
public:
static void InitializeSlabHeap(KernelCore& kernel, void* memory, size_t memory_size) {
kernel.SlabHeap<Derived>().Initialize(memory, memory_size);
kernel.ObjectListContainer().Initialize();
}
static Derived* Create(KernelCore& kernel) {
Derived* obj = Allocate(kernel);
if (obj != nullptr) {
KAutoObject::Create(obj);
}
return obj;
}
static void Register(KernelCore& kernel, Derived* obj) {
return kernel.ObjectListContainer().Register(obj);
}
static size_t GetObjectSize(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetObjectSize();
}
static size_t GetSlabHeapSize(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetSlabHeapSize();
}
static size_t GetPeakIndex(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetPeakIndex();
}
static uintptr_t GetSlabHeapAddress(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetSlabHeapAddress();
}
static size_t GetNumRemaining(KernelCore& kernel) {
return kernel.SlabHeap<Derived>().GetNumRemaining();
}
protected:
KernelCore& kernel;
};
} // namespace Kernel
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