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6bf4ca07 HS |
1 | /* |
2 | * (C) Copyright 2014 | |
3 | * DENX Software Engineering | |
4 | * Heiko Schocher <[email protected]> | |
5 | * | |
6 | * fit_info: print the offset and the len of a property from | |
7 | * node in a fit file. | |
8 | * | |
9 | * Based on: | |
10 | * (C) Copyright 2008 Semihalf | |
11 | * | |
12 | * (C) Copyright 2000-2004 | |
13 | * DENX Software Engineering | |
14 | * Wolfgang Denk, [email protected] | |
15 | * | |
16 | * Updated-by: Prafulla Wadaskar <[email protected]> | |
17 | * FIT image specific code abstracted from mkimage.c | |
18 | * some functions added to address abstraction | |
19 | * | |
20 | * All rights reserved. | |
21 | * | |
22 | * SPDX-License-Identifier: GPL-2.0+ | |
23 | */ | |
24 | ||
25 | #include "mkimage.h" | |
26 | #include "fit_common.h" | |
27 | #include <image.h> | |
28 | #include <u-boot/crc.h> | |
29 | ||
30 | void usage(char *cmdname) | |
31 | { | |
32 | fprintf(stderr, "Usage: %s -f fit file -n node -p property\n" | |
33 | " -f ==> set fit file which is used'\n" | |
34 | " -n ==> set node name'\n" | |
35 | " -p ==> set property name'\n", | |
36 | cmdname); | |
37 | exit(EXIT_FAILURE); | |
38 | } | |
39 | ||
40 | int main(int argc, char **argv) | |
41 | { | |
42 | int ffd = -1; | |
43 | struct stat fsbuf; | |
44 | void *fit_blob; | |
45 | int len; | |
46 | int nodeoffset; /* node offset from libfdt */ | |
47 | const void *nodep; /* property node pointer */ | |
48 | char *fdtfile = NULL; | |
49 | char *nodename = NULL; | |
50 | char *propertyname = NULL; | |
686dca0f | 51 | char cmdname[256]; |
6bf4ca07 HS |
52 | int c; |
53 | ||
686dca0f HS |
54 | strncpy(cmdname, *argv, sizeof(cmdname) - 1); |
55 | cmdname[sizeof(cmdname) - 1] = '\0'; | |
6bf4ca07 HS |
56 | while ((c = getopt(argc, argv, "f:n:p:")) != -1) |
57 | switch (c) { | |
58 | case 'f': | |
59 | fdtfile = optarg; | |
60 | break; | |
61 | case 'n': | |
62 | nodename = optarg; | |
63 | break; | |
64 | case 'p': | |
65 | propertyname = optarg; | |
66 | break; | |
67 | default: | |
68 | usage(cmdname); | |
69 | break; | |
70 | } | |
71 | ||
ba923cab SG |
72 | if (!fdtfile) { |
73 | fprintf(stderr, "%s: Missing fdt file\n", *argv); | |
74 | usage(*argv); | |
75 | } | |
76 | if (!nodename) { | |
77 | fprintf(stderr, "%s: Missing node name\n", *argv); | |
78 | usage(*argv); | |
79 | } | |
80 | if (!propertyname) { | |
81 | fprintf(stderr, "%s: Missing property name\n", *argv); | |
82 | usage(*argv); | |
83 | } | |
a9468115 | 84 | ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false); |
6bf4ca07 HS |
85 | |
86 | if (ffd < 0) { | |
87 | printf("Could not open %s\n", fdtfile); | |
88 | exit(EXIT_FAILURE); | |
89 | } | |
90 | ||
91 | nodeoffset = fdt_path_offset(fit_blob, nodename); | |
92 | if (nodeoffset < 0) { | |
93 | printf("%s not found.", nodename); | |
94 | exit(EXIT_FAILURE); | |
95 | } | |
96 | nodep = fdt_getprop(fit_blob, nodeoffset, propertyname, &len); | |
97 | if (len == 0) { | |
98 | printf("len == 0 %s\n", propertyname); | |
99 | exit(EXIT_FAILURE); | |
100 | } | |
101 | ||
102 | printf("NAME: %s\n", fit_get_name(fit_blob, nodeoffset, NULL)); | |
103 | printf("LEN: %d\n", len); | |
104 | printf("OFF: %d\n", (int)(nodep - fit_blob)); | |
105 | (void) munmap((void *)fit_blob, fsbuf.st_size); | |
106 | ||
107 | close(ffd); | |
108 | exit(EXIT_SUCCESS); | |
109 | } |