diff options
Diffstat (limited to 'src/core/hle')
-rw-r--r-- | src/core/hle/kernel/k_page_table_manager.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/core/hle/kernel/k_page_table_manager.h b/src/core/hle/kernel/k_page_table_manager.h new file mode 100644 index 000000000..91a45cde3 --- /dev/null +++ b/src/core/hle/kernel/k_page_table_manager.h @@ -0,0 +1,55 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include <atomic> + +#include "common/common_types.h" +#include "core/hle/kernel/k_dynamic_resource_manager.h" +#include "core/hle/kernel/k_page_table_slab_heap.h" + +namespace Kernel { + +class KPageTableManager : public KDynamicResourceManager<impl::PageTablePage, true> { +public: + using RefCount = KPageTableSlabHeap::RefCount; + static constexpr size_t PageTableSize = KPageTableSlabHeap::PageTableSize; + +public: + KPageTableManager() = default; + + void Initialize(KDynamicPageManager* page_allocator, KPageTableSlabHeap* pt_heap) { + m_pt_heap = pt_heap; + + static_assert(std::derived_from<KPageTableSlabHeap, DynamicSlabType>); + BaseHeap::Initialize(page_allocator, pt_heap); + } + + VAddr Allocate() { + return VAddr(BaseHeap::Allocate()); + } + + RefCount GetRefCount(VAddr addr) const { + return m_pt_heap->GetRefCount(addr); + } + + void Open(VAddr addr, int count) { + return m_pt_heap->Open(addr, count); + } + + bool Close(VAddr addr, int count) { + return m_pt_heap->Close(addr, count); + } + + bool IsInPageTableHeap(VAddr addr) const { + return m_pt_heap->IsInRange(addr); + } + +private: + using BaseHeap = KDynamicResourceManager<impl::PageTablePage, true>; + + KPageTableSlabHeap* m_pt_heap{}; +}; + +} // namespace Kernel |