/* | |
* Simple malloc implementation | |
* | |
* Copyright (c) 2014 Google, Inc | |
* | |
* SPDX-License-Identifier: GPL-2.0+ | |
*/ | |
#include <common.h> | |
#include <malloc.h> | |
#include <asm/io.h> | |
DECLARE_GLOBAL_DATA_PTR; | |
void *malloc_simple(size_t bytes) | |
{ | |
ulong new_ptr; | |
void *ptr; | |
new_ptr = gd->malloc_ptr + bytes; | |
if (new_ptr > gd->malloc_limit) | |
return NULL; | |
ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes); | |
gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr)); | |
return ptr; | |
} | |
#ifdef CONFIG_SYS_MALLOC_SIMPLE | |
void *calloc(size_t nmemb, size_t elem_size) | |
{ | |
size_t size = nmemb * elem_size; | |
void *ptr; | |
ptr = malloc(size); | |
memset(ptr, '\0', size); | |
return ptr; | |
} | |
#endif |