[J-u-boot.git] / tools / fit_info.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2014
 * DENX Software Engineering
 * Heiko Schocher <[email protected]>
 *
 * fit_info: print the offset and the len of a property from
 *	     node in a fit file.
 *
 * Based on:
 * (C) Copyright 2008 Semihalf
 *
 * (C) Copyright 2000-2004
 * DENX Software Engineering
 * Wolfgang Denk, [email protected]
 *
 * Updated-by: Prafulla Wadaskar <[email protected]>
 *		FIT image specific code abstracted from mkimage.c
 *		some functions added to address abstraction
 *
 * All rights reserved.
 */

#include "mkimage.h"
#include "fit_common.h"
#include <image.h>
#include <u-boot/crc.h>

void usage(char *cmdname)
{
	fprintf(stderr, "Usage: %s -f fit file -n node -p property\n"
			 "          -f ==> set fit file which is used'\n"
			 "          -n ==> set node name'\n"
			 "          -p ==> set property name'\n",
		cmdname);
	exit(EXIT_FAILURE);
}

int main(int argc, char **argv)
{
	int ffd = -1;
	struct stat fsbuf;
	void *fit_blob;
	int len;
	int  nodeoffset;	/* node offset from libfdt */
	const void *nodep;	/* property node pointer */
	char *fdtfile = NULL;
	char *nodename = NULL;
	char *propertyname = NULL;
	char cmdname[256];
	int c;

	strncpy(cmdname, *argv, sizeof(cmdname) - 1);
	cmdname[sizeof(cmdname) - 1] = '\0';
	while ((c = getopt(argc, argv, "f:n:p:")) != -1)
		switch (c) {
		case 'f':
			fdtfile = optarg;
			break;
		case 'n':
			nodename = optarg;
			break;
		case 'p':
			propertyname = optarg;
			break;
		default:
			usage(cmdname);
			break;
		}

	if (!fdtfile) {
		fprintf(stderr, "%s: Missing fdt file\n", *argv);
		usage(*argv);
	}
	if (!nodename) {
		fprintf(stderr, "%s: Missing node name\n", *argv);
		usage(*argv);
	}
	if (!propertyname) {
		fprintf(stderr, "%s: Missing property name\n", *argv);
		usage(*argv);
	}
	ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false, false);

	if (ffd < 0) {
		printf("Could not open %s\n", fdtfile);
		exit(EXIT_FAILURE);
	}

	nodeoffset = fdt_path_offset(fit_blob, nodename);
	if (nodeoffset < 0) {
		printf("%s not found.", nodename);
		exit(EXIT_FAILURE);
	}
	nodep = fdt_getprop(fit_blob, nodeoffset, propertyname, &len);
	if (len == 0) {
		printf("len == 0 %s\n", propertyname);
		exit(EXIT_FAILURE);
	}

	printf("NAME: %s\n", fit_get_name(fit_blob, nodeoffset, NULL));
	printf("LEN: %d\n", len);
	printf("OFF: %d\n", (int)(nodep - fit_blob));
	(void) munmap((void *)fit_blob, fsbuf.st_size);

	close(ffd);
	exit(EXIT_SUCCESS);
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
6bf4ca07 HS	2	/*
	3	* (C) Copyright 2014
	4	* DENX Software Engineering
	5	* Heiko Schocher <[email protected]>
	6	*
	7	* fit_info: print the offset and the len of a property from
	8	* node in a fit file.
	9	*
	10	* Based on:
	11	* (C) Copyright 2008 Semihalf
	12	*
	13	* (C) Copyright 2000-2004
	14	* DENX Software Engineering
	15	* Wolfgang Denk, [email protected]
	16	*
	17	* Updated-by: Prafulla Wadaskar <[email protected]>
	18	* FIT image specific code abstracted from mkimage.c
	19	* some functions added to address abstraction
	20	*
	21	* All rights reserved.
6bf4ca07 HS	22	*/
	23
	24	#include "mkimage.h"
	25	#include "fit_common.h"
	26	#include <image.h>
	27	#include <u-boot/crc.h>
	28
	29	void usage(char *cmdname)
	30	{
	31	fprintf(stderr, "Usage: %s -f fit file -n node -p property\n"
	32	" -f ==> set fit file which is used'\n"
	33	" -n ==> set node name'\n"
	34	" -p ==> set property name'\n",
	35	cmdname);
	36	exit(EXIT_FAILURE);
	37	}
	38
	39	int main(int argc, char **argv)
	40	{
	41	int ffd = -1;
	42	struct stat fsbuf;
	43	void *fit_blob;
	44	int len;
	45	int nodeoffset; /* node offset from libfdt */
	46	const void nodep; / property node pointer */
	47	char *fdtfile = NULL;
	48	char *nodename = NULL;
	49	char *propertyname = NULL;
686dca0f	50	char cmdname[256];
6bf4ca07 HS	51	int c;
6bf4ca07 HS	52
686dca0f HS	53	strncpy(cmdname, *argv, sizeof(cmdname) - 1);
686dca0f HS	54	cmdname[sizeof(cmdname) - 1] = '\0';
6bf4ca07 HS	55	while ((c = getopt(argc, argv, "f:n:p:")) != -1)
	56	switch (c) {
	57	case 'f':
	58	fdtfile = optarg;
	59	break;
	60	case 'n':
	61	nodename = optarg;
	62	break;
	63	case 'p':
	64	propertyname = optarg;
	65	break;
	66	default:
	67	usage(cmdname);
	68	break;
	69	}
	70
ba923cab SG	71	if (!fdtfile) {
	72	fprintf(stderr, "%s: Missing fdt file\n", *argv);
	73	usage(*argv);
	74	}
	75	if (!nodename) {
	76	fprintf(stderr, "%s: Missing node name\n", *argv);
	77	usage(*argv);
	78	}
	79	if (!propertyname) {
	80	fprintf(stderr, "%s: Missing property name\n", *argv);
	81	usage(*argv);
	82	}
7d57485a	83	ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false, false);
6bf4ca07 HS	84
	85	if (ffd < 0) {
	86	printf("Could not open %s\n", fdtfile);
	87	exit(EXIT_FAILURE);
	88	}
	89
	90	nodeoffset = fdt_path_offset(fit_blob, nodename);
	91	if (nodeoffset < 0) {
	92	printf("%s not found.", nodename);
	93	exit(EXIT_FAILURE);
	94	}
	95	nodep = fdt_getprop(fit_blob, nodeoffset, propertyname, &len);
	96	if (len == 0) {
	97	printf("len == 0 %s\n", propertyname);
	98	exit(EXIT_FAILURE);
	99	}
	100
	101	printf("NAME: %s\n", fit_get_name(fit_blob, nodeoffset, NULL));
	102	printf("LEN: %d\n", len);
	103	printf("OFF: %d\n", (int)(nodep - fit_blob));
	104	(void) munmap((void *)fit_blob, fsbuf.st_size);
	105
	106	close(ffd);
	107	exit(EXIT_SUCCESS);
	108	}