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108 lines
2.4 KiB
108 lines
2.4 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* (C) Copyright 2014 |
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* DENX Software Engineering |
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* Heiko Schocher <[email protected]> |
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* |
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* fit_info: print the offset and the len of a property from |
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* node in a fit file. |
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* |
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* Based on: |
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* (C) Copyright 2008 Semihalf |
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* |
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* (C) Copyright 2000-2004 |
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* DENX Software Engineering |
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* Wolfgang Denk, [email protected] |
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* |
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* Updated-by: Prafulla Wadaskar <[email protected]> |
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* FIT image specific code abstracted from mkimage.c |
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* some functions added to address abstraction |
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* |
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* All rights reserved. |
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*/ |
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#include "mkimage.h" |
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#include "fit_common.h" |
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#include <image.h> |
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#include <u-boot/crc.h> |
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void usage(char *cmdname) |
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{ |
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fprintf(stderr, "Usage: %s -f fit file -n node -p property\n" |
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" -f ==> set fit file which is used'\n" |
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" -n ==> set node name'\n" |
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" -p ==> set property name'\n", |
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cmdname); |
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exit(EXIT_FAILURE); |
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} |
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int main(int argc, char **argv) |
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{ |
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int ffd = -1; |
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struct stat fsbuf; |
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void *fit_blob; |
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int len; |
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int nodeoffset; /* node offset from libfdt */ |
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const void *nodep; /* property node pointer */ |
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char *fdtfile = NULL; |
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char *nodename = NULL; |
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char *propertyname = NULL; |
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char cmdname[256]; |
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int c; |
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strncpy(cmdname, *argv, sizeof(cmdname) - 1); |
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cmdname[sizeof(cmdname) - 1] = '\0'; |
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while ((c = getopt(argc, argv, "f:n:p:")) != -1) |
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switch (c) { |
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case 'f': |
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fdtfile = optarg; |
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break; |
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case 'n': |
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nodename = optarg; |
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break; |
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case 'p': |
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propertyname = optarg; |
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break; |
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default: |
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usage(cmdname); |
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break; |
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} |
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if (!fdtfile) { |
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fprintf(stderr, "%s: Missing fdt file\n", *argv); |
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usage(*argv); |
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} |
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if (!nodename) { |
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fprintf(stderr, "%s: Missing node name\n", *argv); |
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usage(*argv); |
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} |
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if (!propertyname) { |
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fprintf(stderr, "%s: Missing property name\n", *argv); |
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usage(*argv); |
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} |
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ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false); |
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if (ffd < 0) { |
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printf("Could not open %s\n", fdtfile); |
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exit(EXIT_FAILURE); |
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} |
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nodeoffset = fdt_path_offset(fit_blob, nodename); |
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if (nodeoffset < 0) { |
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printf("%s not found.", nodename); |
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exit(EXIT_FAILURE); |
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} |
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nodep = fdt_getprop(fit_blob, nodeoffset, propertyname, &len); |
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if (len == 0) { |
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printf("len == 0 %s\n", propertyname); |
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exit(EXIT_FAILURE); |
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} |
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printf("NAME: %s\n", fit_get_name(fit_blob, nodeoffset, NULL)); |
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printf("LEN: %d\n", len); |
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printf("OFF: %d\n", (int)(nodep - fit_blob)); |
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(void) munmap((void *)fit_blob, fsbuf.st_size); |
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close(ffd); |
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exit(EXIT_SUCCESS); |
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}
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