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core: hle: kernel: Add KPageTableManager.

This commit is contained in:
bunnei 2022-10-29 13:38:45 -07:00
parent 6d4f411c08
commit 0897f4f96c
2 changed files with 56 additions and 0 deletions

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@ -224,6 +224,7 @@ add_library(core STATIC
hle/kernel/k_page_group.h
hle/kernel/k_page_table.cpp
hle/kernel/k_page_table.h
hle/kernel/k_page_table_manager.h
hle/kernel/k_page_table_slab_heap.h
hle/kernel/k_port.cpp
hle/kernel/k_port.h

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@ -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