diff options
Diffstat (limited to 'kernel/include')
| -rw-r--r-- | kernel/include/libk/kmalloc.h | 47 | ||||
| -rw-r--r-- | kernel/include/libk/stdio.h | 1 |
2 files changed, 48 insertions, 0 deletions
diff --git a/kernel/include/libk/kmalloc.h b/kernel/include/libk/kmalloc.h new file mode 100644 index 0000000..f760ee1 --- /dev/null +++ b/kernel/include/libk/kmalloc.h @@ -0,0 +1,47 @@ +/* + * 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 <stddef.h> + +void *kmalloc(size_t); +void *krealloc(void *, size_t); +void *kcalloc(size_t, size_t); +void kfree(void *); + +/** 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. +}; + +#endif diff --git a/kernel/include/libk/stdio.h b/kernel/include/libk/stdio.h index 2f33980..f944fe4 100644 --- a/kernel/include/libk/stdio.h +++ b/kernel/include/libk/stdio.h @@ -37,5 +37,6 @@ int vsprintf(char *str, const char *fmt, va_list ap); int vsnprintf(char *str, size_t len, const char *fmt, va_list ap); void printk(const char *from, const char *msg, ...); +void printk_raw(const char *msg, ...); #endif |