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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <optional>
#include "common/common_types.h"
#include "core/device_memory.h"
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_light_lock.h"
#include "core/hle/kernel/k_page_group.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/slab_helpers.h"
#include "core/hle/kernel/svc_types.h"
#include "core/hle/result.h"
namespace Kernel {
enum class CodeMemoryOperation : u32 {
Map = 0,
MapToOwner = 1,
Unmap = 2,
UnmapFromOwner = 3,
};
class KCodeMemory final
: public KAutoObjectWithSlabHeapAndContainer<KCodeMemory, KAutoObjectWithList> {
KERNEL_AUTOOBJECT_TRAITS(KCodeMemory, KAutoObject);
public:
explicit KCodeMemory(KernelCore& kernel_);
Result Initialize(Core::DeviceMemory& device_memory, VAddr address, size_t size);
void Finalize() override;
Result Map(VAddr address, size_t size);
Result Unmap(VAddr address, size_t size);
Result MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm);
Result UnmapFromOwner(VAddr address, size_t size);
bool IsInitialized() const override {
return m_is_initialized;
}
static void PostDestroy([[maybe_unused]] uintptr_t arg) {}
KProcess* GetOwner() const override {
return m_owner;
}
VAddr GetSourceAddress() const {
return m_address;
}
size_t GetSize() const {
return m_is_initialized ? m_page_group->GetNumPages() * PageSize : 0;
}
private:
std::optional<KPageGroup> m_page_group{};
KProcess* m_owner{};
VAddr m_address{};
KLightLock m_lock;
bool m_is_initialized{};
bool m_is_owner_mapped{};
bool m_is_mapped{};
};
} // namespace Kernel
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