2021-12-05 22:49:52 +01:00
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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2021-12-05 21:04:08 +01:00
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#pragma once
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2021-12-06 00:49:40 +01:00
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#include "common/common_types.h"
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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_linked_list.h"
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2021-12-05 21:04:08 +01:00
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#include "core/hle/kernel/k_process.h"
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2021-12-06 00:49:40 +01:00
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#include "core/hle/kernel/slab_helpers.h"
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2021-12-06 01:00:29 +01:00
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#include "core/hle/kernel/svc_types.h"
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2021-12-05 21:04:08 +01:00
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#include "core/hle/result.h"
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namespace Kernel {
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enum class CodeMemoryOperation : u32 { Map = 0, MapToOwner = 1, Unmap = 2, UnmapFromOwner = 3 };
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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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private:
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KPageLinkedList m_page_group;
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KProcess* m_owner;
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VAddr 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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public:
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explicit KCodeMemory(KernelCore& kernel_);
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ResultCode Initialize(Core::DeviceMemory& device_memory, VAddr address, size_t size);
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void Finalize();
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ResultCode Map(VAddr address, size_t size);
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ResultCode Unmap(VAddr address, size_t size);
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ResultCode MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm);
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ResultCode UnmapFromOwner(VAddr address, size_t size);
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bool IsInitialized() const {
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return m_is_initialized;
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}
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static void PostDestroy([[maybe_unused]] uintptr_t arg) {}
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KProcess* GetOwner() const {
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return m_owner;
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}
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VAddr GetSourceAddress() {
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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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};
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} // namespace Kernel
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