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c9356be3 SG |
1 | /* |
2 | * Simple malloc implementation | |
3 | * | |
4 | * Copyright (c) 2014 Google, Inc | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0+ | |
7 | */ | |
8 | ||
9 | #include <common.h> | |
10 | #include <malloc.h> | |
11 | #include <asm/io.h> | |
12 | ||
13 | DECLARE_GLOBAL_DATA_PTR; | |
14 | ||
15 | void *malloc_simple(size_t bytes) | |
16 | { | |
17 | ulong new_ptr; | |
18 | void *ptr; | |
19 | ||
20 | new_ptr = gd->malloc_ptr + bytes; | |
21 | if (new_ptr > gd->malloc_limit) | |
22 | panic("Out of pre-reloc memory"); | |
23 | ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes); | |
24 | gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); | |
25 | return ptr; | |
26 | } | |
27 | ||
28 | #ifdef CONFIG_SYS_MALLOC_SIMPLE | |
29 | void *calloc(size_t nmemb, size_t elem_size) | |
30 | { | |
31 | size_t size = nmemb * elem_size; | |
32 | void *ptr; | |
33 | ||
34 | ptr = malloc(size); | |
35 | memset(ptr, '\0', size); | |
36 | ||
37 | return ptr; | |
38 | } | |
39 | #endif |