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9#include <common.h>
10#include <malloc.h>
11#include <mapmem.h>
12#include <asm/io.h>
13
14DECLARE_GLOBAL_DATA_PTR;
15
16void *malloc_simple(size_t bytes)
17{
18 ulong new_ptr;
19 void *ptr;
20
21 new_ptr = gd->malloc_ptr + bytes;
22 debug("%s: size=%zx, ptr=%lx, limit=%lx: ", __func__, bytes, new_ptr,
23 gd->malloc_limit);
24 if (new_ptr > gd->malloc_limit) {
25 debug("space exhausted\n");
26 return NULL;
27 }
28 ptr = map_sysmem(gd->malloc_base + gd->malloc_ptr, bytes);
29 gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
30 debug("%lx\n", (ulong)ptr);
31
32 return ptr;
33}
34
35void *memalign_simple(size_t align, size_t bytes)
36{
37 ulong addr, new_ptr;
38 void *ptr;
39
40 addr = ALIGN(gd->malloc_base + gd->malloc_ptr, align);
41 new_ptr = addr + bytes - gd->malloc_base;
42 if (new_ptr > gd->malloc_limit)
43 return NULL;
44 ptr = map_sysmem(addr, bytes);
45 gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
46
47 return ptr;
48}
49
50#if CONFIG_IS_ENABLED(SYS_MALLOC_SIMPLE)
51void *calloc(size_t nmemb, size_t elem_size)
52{
53 size_t size = nmemb * elem_size;
54 void *ptr;
55
56 ptr = malloc(size);
57 memset(ptr, '\0', size);
58
59 return ptr;
60}
61#endif
62