Atmosphere/libraries/libmesosphere/include/mesosphere/kern_k_code_memory.hpp

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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_auto_object.hpp>
#include <mesosphere/kern_slab_helpers.hpp>
namespace ams::kern {
class KCodeMemory final : public KAutoObjectWithSlabHeapAndContainer<KCodeMemory, KAutoObjectWithList> {
MESOSPHERE_AUTOOBJECT_TRAITS(KCodeMemory, KAutoObject);
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private:
TYPED_STORAGE(KPageGroup) page_group;
KProcess *owner;
KProcessAddress address;
KLightLock lock;
bool is_initialized;
bool is_owner_mapped;
bool is_mapped;
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public:
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explicit KCodeMemory() : owner(nullptr), address(Null<KProcessAddress>), is_initialized(false), is_owner_mapped(false), is_mapped(false) {
/* ... */
}
virtual ~KCodeMemory() { /* ... */ }
Result Initialize(KProcessAddress address, size_t size);
virtual void Finalize() override;
Result Map(KProcessAddress address, size_t size);
Result Unmap(KProcessAddress address, size_t size);
Result MapToOwner(KProcessAddress address, size_t size, ams::svc::MemoryPermission perm);
Result UnmapFromOwner(KProcessAddress address, size_t size);
virtual bool IsInitialized() const override { return this->is_initialized; }
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static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
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KProcess *GetOwner() const { return this->owner; }
KProcessAddress GetSourceAddress() { return this->address; }
size_t GetSize() const { return this->is_initialized ? GetReference(this->page_group).GetNumPages() * PageSize : 0; }
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};
}