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git.ipfire.org Git - people/ms/u-boot.git/blob - common/malloc_simple.c
2 * Simple malloc implementation
4 * Copyright (c) 2014 Google, Inc
6 * SPDX-License-Identifier: GPL-2.0+
14 DECLARE_GLOBAL_DATA_PTR
;
16 void *malloc_simple(size_t bytes
)
21 new_ptr
= gd
->malloc_ptr
+ bytes
;
22 if (new_ptr
> gd
->malloc_limit
)
24 ptr
= map_sysmem(gd
->malloc_base
+ gd
->malloc_ptr
, bytes
);
25 gd
->malloc_ptr
= ALIGN(new_ptr
, sizeof(new_ptr
));
29 void *memalign_simple(size_t align
, size_t bytes
)
34 addr
= ALIGN(gd
->malloc_base
+ gd
->malloc_ptr
, align
);
35 new_ptr
= addr
+ bytes
;
36 if (new_ptr
> gd
->malloc_limit
)
38 ptr
= map_sysmem(addr
, bytes
);
39 gd
->malloc_ptr
= ALIGN(new_ptr
, sizeof(new_ptr
));
43 #ifdef CONFIG_SYS_MALLOC_SIMPLE
44 void *calloc(size_t nmemb
, size_t elem_size
)
46 size_t size
= nmemb
* elem_size
;
50 memset(ptr
, '\0', size
);