enderice2/Fennix
1
0
Fork 0
mirror of https://github.com/EnderIce2/Fennix.git synced 2025-07-09 14:29:17 +00:00
Code Issues Actions Releases Wiki Activity

Merge remote-tracking branch 'Kernel/mb2_32_64_test' into Kernel-mb2_32_64_test

Browse Source
This commit is contained in:
EnderIce2
2024-11-20 05:15:06 +02:00
parent 47cf2c24d1
commit b348932172
353 changed files with 77068 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
Kernel/Library/Bitmap.cpp Normal file
View File

@ -0,0 +1,45 @@
/*
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 <bitmap.hpp>
bool Bitmap::operator[](uint64_t index) { return Get(index); }
bool Bitmap::Get(uint64_t index)
{
if (index > Size * 8)
return false;
uint64_t byteIndex = index / 8;
uint8_t bitIndex = index % 8;
uint8_t bitIndexer = 0b10000000 >> bitIndex;
if ((Buffer[byteIndex] & bitIndexer) > 0)
return true;
return false;
}
bool Bitmap::Set(uint64_t index, bool value)
{
if (index > Size * 8)
return false;
uint64_t byteIndex = index / 8;
uint8_t bitIndex = index % 8;
uint8_t bitIndexer = 0b10000000 >> bitIndex;
Buffer[byteIndex] &= ~bitIndexer;
if (value)
Buffer[byteIndex] |= bitIndexer;
return true;
}