Implement VirtualAllocation class

This commit is contained in:
EnderIce2
2024-03-27 19:51:15 +02:00
parent d7cc1f5c47
commit 3dc1981820
5 changed files with 220 additions and 8 deletions

60
include/memory/va.hpp Normal file
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/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FENNIX_KERNEL_MEMORY_VA_H__
#define __FENNIX_KERNEL_MEMORY_VA_H__
#include <types.h>
#include <lock.hpp>
#include <list>
#include <memory/table.hpp>
namespace Memory
{
class VirtualAllocation
{
public:
struct AllocatedPages
{
void *PhysicalAddress;
void *VirtualAddress;
size_t PageCount;
bool Free;
};
private:
NewLock(MgrLock);
std::list<AllocatedPages> AllocatedPagesList;
void *BaseAddress;
void *CurrentBase;
public:
PageTable *Table;
AllocatedPages RequestPages(size_t Count);
void FreePages(void *Address, size_t Count);
void MapTo(AllocatedPages ap, PageTable *Table);
VirtualAllocation(void *Base);
~VirtualAllocation();
};
}
#endif // !__FENNIX_KERNEL_MEMORY_VA_H__