Kernel/Core/Memory/PageMapIndexer.cpp

46 lines
1.5 KiB
C++

/*
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/>.
*/
#include <memory.hpp>
namespace Memory
{
Virtual::PageMapIndexer::PageMapIndexer(uintptr_t VirtualAddress)
{
#if defined(a64)
uintptr_t Address = VirtualAddress;
Address >>= 12;
this->PTEIndex = Address & 0x1FF;
Address >>= 9;
this->PDEIndex = Address & 0x1FF;
Address >>= 9;
this->PDPTEIndex = Address & 0x1FF;
Address >>= 9;
this->PMLIndex = Address & 0x1FF;
#elif defined(a32)
uintptr_t Address = VirtualAddress;
Address >>= 12;
this->PTEIndex = Address & 0x3FF;
Address >>= 10;
this->PDEIndex = Address & 0x3FF;
Address >>= 10;
this->PDPTEIndex = Address & 0x3FF;
#elif defined(aa64)
#endif
}
}