mirror of https://github.com/yuzu-emu/yuzu.git
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 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 <optional>
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#include "core/device_memory.h"
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#include "core/hle/kernel/k_auto_object.h"
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#include "core/hle/kernel/k_light_lock.h"
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#include "core/hle/kernel/k_page_group.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/k_typed_address.h"
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#include "core/hle/kernel/slab_helpers.h"
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#include "core/hle/kernel/svc_types.h"
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#include "core/hle/result.h"
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namespace Kernel {
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enum class CodeMemoryOperation : u32 {
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Map = 0,
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MapToOwner = 1,
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Unmap = 2,
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UnmapFromOwner = 3,
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};
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class KCodeMemory final
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: public KAutoObjectWithSlabHeapAndContainer<KCodeMemory, KAutoObjectWithList> {
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KERNEL_AUTOOBJECT_TRAITS(KCodeMemory, KAutoObject);
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public:
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explicit KCodeMemory(KernelCore& kernel);
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Result Initialize(Core::DeviceMemory& device_memory, KProcessAddress address, size_t size);
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void Finalize() override;
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Result Map(KProcessAddress address, size_t size);
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Result Unmap(KProcessAddress address, size_t size);
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Result MapToOwner(KProcessAddress address, size_t size, Svc::MemoryPermission perm);
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Result UnmapFromOwner(KProcessAddress address, size_t size);
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bool IsInitialized() const override {
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return m_is_initialized;
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}
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static void PostDestroy(uintptr_t arg) {}
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KProcess* GetOwner() const override {
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return m_owner;
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}
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KProcessAddress GetSourceAddress() const {
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return m_address;
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}
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size_t GetSize() const {
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return m_is_initialized ? m_page_group->GetNumPages() * PageSize : 0;
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}
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private:
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std::optional<KPageGroup> m_page_group{};
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KProcess* m_owner{};
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KProcessAddress m_address{};
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KLightLock m_lock;
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bool m_is_initialized{};
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bool m_is_owner_mapped{};
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bool m_is_mapped{};
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};
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} // namespace Kernel
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