mirror of https://github.com/yuzu-emu/yuzu.git
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <atomic>
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#include "core/hle/kernel/k_dynamic_resource_manager.h"
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#include "core/hle/kernel/k_page_table_slab_heap.h"
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#include "core/hle/kernel/k_typed_address.h"
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namespace Kernel {
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class KPageTableManager : public KDynamicResourceManager<impl::PageTablePage, true> {
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public:
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using RefCount = KPageTableSlabHeap::RefCount;
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static constexpr size_t PageTableSize = KPageTableSlabHeap::PageTableSize;
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public:
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KPageTableManager() = default;
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void Initialize(KDynamicPageManager* page_allocator, KPageTableSlabHeap* pt_heap) {
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m_pt_heap = pt_heap;
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static_assert(std::derived_from<KPageTableSlabHeap, DynamicSlabType>);
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BaseHeap::Initialize(page_allocator, pt_heap);
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}
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KVirtualAddress Allocate() {
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return KVirtualAddress(BaseHeap::Allocate());
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}
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RefCount GetRefCount(KVirtualAddress addr) const {
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return m_pt_heap->GetRefCount(addr);
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}
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void Open(KVirtualAddress addr, int count) {
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return m_pt_heap->Open(addr, count);
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}
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bool Close(KVirtualAddress addr, int count) {
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return m_pt_heap->Close(addr, count);
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}
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bool IsInPageTableHeap(KVirtualAddress addr) const {
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return m_pt_heap->IsInRange(addr);
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}
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private:
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using BaseHeap = KDynamicResourceManager<impl::PageTablePage, true>;
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KPageTableSlabHeap* m_pt_heap{};
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};
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} // namespace Kernel
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