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8#define LOG_CATEGORY LOGC_ALLOC
9
10#include <common.h>
11#include <log.h>
12#include <malloc.h>
13#include <mapmem.h>
14#include <asm/global_data.h>
15#include <asm/io.h>
16
17DECLARE_GLOBAL_DATA_PTR;
18
19static void *alloc_simple(size_t bytes, int align)
20{
21 ulong addr, new_ptr;
22 void *ptr;
23
24 addr = ALIGN(gd->malloc_base + gd->malloc_ptr, align);
25 new_ptr = addr + bytes - gd->malloc_base;
26 log_debug("size=%zx, ptr=%lx, limit=%lx: ", bytes, new_ptr,
27 gd->malloc_limit);
28 if (new_ptr > gd->malloc_limit) {
29 log_err("alloc space exhausted\n");
30 return NULL;
31 }
32
33 ptr = map_sysmem(addr, bytes);
34 gd->malloc_ptr = ALIGN(new_ptr, sizeof(new_ptr));
35
36 return ptr;
37}
38
39void *malloc_simple(size_t bytes)
40{
41 void *ptr;
42
43 ptr = alloc_simple(bytes, 1);
44 if (!ptr)
45 return ptr;
46
47 log_debug("%lx\n", (ulong)ptr);
48
49 return ptr;
50}
51
52void *memalign_simple(size_t align, size_t bytes)
53{
54 void *ptr;
55
56 ptr = alloc_simple(bytes, align);
57 if (!ptr)
58 return ptr;
59 log_debug("aligned to %lx\n", (ulong)ptr);
60
61 return ptr;
62}
63
64#if CONFIG_IS_ENABLED(SYS_MALLOC_SIMPLE)
65void *calloc(size_t nmemb, size_t elem_size)
66{
67 size_t size = nmemb * elem_size;
68 void *ptr;
69
70 ptr = malloc(size);
71 if (!ptr)
72 return ptr;
73 memset(ptr, '\0', size);
74
75 return ptr;
76}
77#endif
78
79void malloc_simple_info(void)
80{
81 log_info("malloc_simple: %lx bytes used, %lx remain\n", gd->malloc_ptr,
82 CONFIG_VAL(SYS_MALLOC_F_LEN) - gd->malloc_ptr);
83}
84