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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/>.
*/
#include <kernel/halt.h>
#include <libk/stdio.h>
#include <mm/page_table_allocator.h>
#include <mm/physical_mm.h>
#include <mm/virtual_mm.h>
#include <stdbool.h>
#include <stdint.h>
namespace VirtualMM
{
void *
alloc_pages(uint32_t n_pages)
{
uint32_t starting_address = (uint32_t) find_free_addresses(n_pages);
if (!starting_address)
return NULL;
for (uint32_t i = 0; i < n_pages; i++) {
void *physical_address = PhysicalMM::allocate_block();
void *virtual_address = (void *) (starting_address + (i * PAGE_SIZE));
map_page(physical_address, virtual_address);
}
return (void *) starting_address;
}
void
free_pages(void *starting_address, uint32_t n_pages)
{
for (uint32_t i = 0; i < n_pages; i++)
unmap_page((void *) (((uint32_t) starting_address) + (i * 4096)));
}
}
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