projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 6bf4ca07 HS |
1 | /* |
| 2 | * (C) Copyright 2014 | |
| 3 | * DENX Software Engineering | |
| 4 | * Heiko Schocher <hs@denx.de> | |
| 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, wd@denx.de | |
| 15 | * | |
| 16 | * Updated-by: Prafulla Wadaskar <prafulla@marvell.com> | |
| 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 | } |