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Merge remote-tracking branch 'Kernel/master'

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EnderIce2
2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
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54
Kernel/core/memory/pmi.cpp 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/>.
*/
#include <memory.hpp>
namespace Memory
{
Virtual::PageMapIndexer::PageMapIndexer(uintptr_t VirtualAddress)
{
uintptr_t Address = VirtualAddress;
#if defined(a64)
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)
Address >>= 12;
this->PTEIndex = Address & 0x3FF;
Address >>= 10;
this->PDEIndex = Address & 0x3FF;
#elif defined(aa64)
#endif
if (VirtualAddress > PAGE_SIZE)
{
assert(
this->PTEIndex != 0 ||
this->PDEIndex != 0
#if defined(a64)
|| this->PDPTEIndex != 0 ||
this->PMLIndex != 0
#endif
);
}
}
}