blob: ccd7f76770d9ca314664e8a397a0696d0f275a1a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#ifndef UFDT_UTIL_H
#define UFDT_UTIL_H
#include "fdt_internal.h"
#include "ufdt_types.h"
static const char *tag_name(uint32_t tag) {
switch (tag) {
case FDT_BEGIN_NODE:
return "FDT_BEGIN_NODE";
case FDT_END_NODE:
return "FDT_END_NODE";
case FDT_PROP:
return "FDT_PROP";
case FDT_END:
return "FDT_END";
}
return "";
}
static const char *get_name(void *fdtp, struct ufdt_node *node) {
if (!fdtp || !node) return NULL;
const struct fdt_node_header *nh;
const struct fdt_property *prop;
uint32_t tag = tag_of(node);
switch (tag) {
case FDT_BEGIN_NODE:
nh = (const struct fdt_node_header *)node->fdt_tag_ptr;
return nh->name;
case FDT_PROP:
prop = (const struct fdt_property *)node->fdt_tag_ptr;
return fdt_string(fdtp, fdt32_to_cpu(prop->nameoff));
default:
return "";
}
}
static const void *value_of(const struct ufdt_node *node) {
if (!node) {
dto_error( "Failed to get value since tree or node is NULL\n");
return NULL;
}
return node->fdt_tag_ptr;
}
static int get_hash_len(const char *str, int len) {
int res = 0;
for (int i = 0; i < len; i++) {
res = res * HASH_BASE;
res = res + str[i];
}
return res;
}
static int get_hash(const char *str) { return get_hash_len(str, dto_strlen(str)); }
#endif /* UFDT_UTIL_H */
|
