core: hle: kernel: Add KPageTableManager.
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@ -224,6 +224,7 @@ add_library(core STATIC
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hle/kernel/k_page_group.h
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hle/kernel/k_page_table.cpp
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hle/kernel/k_page_table.h
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hle/kernel/k_page_table_manager.h
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hle/kernel/k_page_table_slab_heap.h
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hle/kernel/k_port.cpp
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hle/kernel/k_port.h
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@ -0,0 +1,55 @@
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// 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 "common/common_types.h"
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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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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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VAddr Allocate() {
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return VAddr(BaseHeap::Allocate());
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}
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RefCount GetRefCount(VAddr addr) const {
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return m_pt_heap->GetRefCount(addr);
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}
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void Open(VAddr addr, int count) {
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return m_pt_heap->Open(addr, count);
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}
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bool Close(VAddr addr, int count) {
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return m_pt_heap->Close(addr, count);
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}
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bool IsInPageTableHeap(VAddr 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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