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Implement VirtualAllocation class
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60
include/memory/va.hpp
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60
include/memory/va.hpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_MEMORY_VA_H__
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#define __FENNIX_KERNEL_MEMORY_VA_H__
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#include <types.h>
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#include <lock.hpp>
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#include <list>
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#include <memory/table.hpp>
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namespace Memory
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{
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class VirtualAllocation
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{
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public:
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struct AllocatedPages
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{
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void *PhysicalAddress;
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void *VirtualAddress;
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size_t PageCount;
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bool Free;
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};
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private:
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NewLock(MgrLock);
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std::list<AllocatedPages> AllocatedPagesList;
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void *BaseAddress;
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void *CurrentBase;
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public:
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PageTable *Table;
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AllocatedPages RequestPages(size_t Count);
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void FreePages(void *Address, size_t Count);
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void MapTo(AllocatedPages ap, PageTable *Table);
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VirtualAllocation(void *Base);
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~VirtualAllocation();
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};
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}
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#endif // !__FENNIX_KERNEL_MEMORY_VA_H__
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