blob: fdc24012d255792c1cdc0a7dadcd8db6861c7a75 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* 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 <libk/liballoc.h>
#include <libk/stdio.h>
#include <libk/string.h>
#include <mm/virtual_mm.h>
#include <stddef.h>
/* TODO: Kmalloc must have space for a page table *at all times*. */
namespace LibAlloc
{
/* Block */
void
Block::initialize(uint32_t size)
{
memset(this, 0, sizeof(Block));
m_size = size - sizeof(Block);
m_next = NULL;
m_prev = NULL;
}
inline void *
Block::get_chunk(void)
{
return this + sizeof(Block);
}
/* LibAlloc */
bool l_initialized = false;
uint32_t l_heap_size = 0;
Block *l_first_block = 0;
bool
initialized(void)
{
return l_initialized;
}
void
initialize(void)
{
l_first_block = (Block *) VirtualMM::alloc_pages(1);
l_first_block->initialize(PAGE_SIZE);
l_heap_size += l_first_block->m_size;
l_initialized = true;
}
}
|
