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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 __libk_kmalloc_h
#define __libk_kmalloc_h
#include <mm/virtual_mm.h>
#include <stddef.h>
#include <stdint.h>
/** This is a boundary tag which is prepended to the
* page or section of a page which we have allocated. It is
* used to identify valid memory blocks that the
* application is trying to free.
*/
struct boundary_tag {
unsigned int magic; //< It's a kind of ...
unsigned int size; //< Requested size.
unsigned int real_size; //< Actual size.
int index; //< Location in the page table.
struct boundary_tag *split_left; //< Linked-list info for broken pages.
struct boundary_tag *split_right; //< The same.
struct boundary_tag *next; //< Linked list info.
struct boundary_tag *prev; //< Linked list info.
};
#define liballoc_alloc VirtualMM::alloc_pages
#define liballoc_free VirtualMM::free_pages
bool kmalloc_initialized(void);
void *kmalloc(size_t);
#endif
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