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/*
* bubbl
* Copyright (C) 2025 Raghuram Subramani <raghus2247@gmail.com>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __mm_physical_mm_h
#define __mm_physical_mm_h
#include <stdint.h>
#include <common.h>
/*
* A byte has 8 bits, hence we can store information for up to 8 blocks at a
* time
*/
#define BLOCKS_PER_BYTE 8
/* TODO: Update this to 2MiB when PAE is enabled */
#define BLOCK_SIZE 4 * KiB
#define BLOCK_ALIGN BLOCK_SIZE
#define BITMAP_ENTRY_SIZE 32
void physical_mm_init(void);
uint32_t mmap_find_first_free(void);
#endif
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