[GitHub/mt8127/android_kernel_alcatel_ttab.git] / scripts / dtc / dtc.c

/*
 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005.
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *                                                                   USA
 */

#include "dtc.h"
#include "srcpos.h"

#include "version_gen.h"

/*
 * Command line options
 */
int quiet;		/* Level of quietness */
int reservenum;		/* Number of memory reservation slots */
int minsize;		/* Minimum blob size */
int padsize;		/* Additional padding to blob */
int phandle_format = PHANDLE_BOTH;	/* Use linux,phandle or phandle properties */

static void fill_fullpaths(struct node *tree, const char *prefix)
{
	struct node *child;
	const char *unit;

	tree->fullpath = join_path(prefix, tree->name);

	unit = strchr(tree->name, '@');
	if (unit)
		tree->basenamelen = unit - tree->name;
	else
		tree->basenamelen = strlen(tree->name);

	for_each_child(tree, child)
		fill_fullpaths(child, tree->fullpath);
}

static void  __attribute__ ((noreturn)) usage(void)
{
	fprintf(stderr, "Usage:\n");
	fprintf(stderr, "\tdtc [options] <input file>\n");
	fprintf(stderr, "\nOptions:\n");
	fprintf(stderr, "\t-h\n");
	fprintf(stderr, "\t\tThis help text\n");
	fprintf(stderr, "\t-q\n");
	fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
	fprintf(stderr, "\t-I <input format>\n");
	fprintf(stderr, "\t\tInput formats are:\n");
	fprintf(stderr, "\t\t\tdts - device tree source text\n");
	fprintf(stderr, "\t\t\tdtb - device tree blob\n");
	fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
	fprintf(stderr, "\t-o <output file>\n");
	fprintf(stderr, "\t-O <output format>\n");
	fprintf(stderr, "\t\tOutput formats are:\n");
	fprintf(stderr, "\t\t\tdts - device tree source text\n");
	fprintf(stderr, "\t\t\tdtb - device tree blob\n");
	fprintf(stderr, "\t\t\tasm - assembler source\n");
	fprintf(stderr, "\t-V <output version>\n");
	fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
	fprintf(stderr, "\t-d <output dependency file>\n");
	fprintf(stderr, "\t-R <number>\n");
	fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
	fprintf(stderr, "\t-S <bytes>\n");
	fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
	fprintf(stderr, "\t-p <bytes>\n");
	fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
	fprintf(stderr, "\t-b <number>\n");
	fprintf(stderr, "\t\tSet the physical boot cpu\n");
	fprintf(stderr, "\t-f\n");
	fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
	fprintf(stderr, "\t-i\n");
	fprintf(stderr, "\t\tAdd a path to search for include files\n");
	fprintf(stderr, "\t-s\n");
	fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
	fprintf(stderr, "\t-v\n");
	fprintf(stderr, "\t\tPrint DTC version and exit\n");
	fprintf(stderr, "\t-H <phandle format>\n");
	fprintf(stderr, "\t\tphandle formats are:\n");
	fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
	fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
	fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
	fprintf(stderr, "\t-W [no-]<checkname>\n");
	fprintf(stderr, "\t-E [no-]<checkname>\n");
	fprintf(stderr, "\t\t\tenable or disable warnings and errors\n");
	exit(3);
}

int main(int argc, char *argv[])
{
	struct boot_info *bi;
	const char *inform = "dts";
	const char *outform = "dts";
	const char *outname = "-";
	const char *depname = NULL;
	int force = 0, sort = 0;
	const char *arg;
	int opt;
	FILE *outf = NULL;
	int outversion = DEFAULT_FDT_VERSION;
	long long cmdline_boot_cpuid = -1;

	quiet      = 0;
	reservenum = 0;
	minsize    = 0;
	padsize    = 0;

	while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fqb:i:vH:sW:E:"))
			!= EOF) {
		switch (opt) {
		case 'I':
			inform = optarg;
			break;
		case 'O':
			outform = optarg;
			break;
		case 'o':
			outname = optarg;
			break;
		case 'V':
			outversion = strtol(optarg, NULL, 0);
			break;
		case 'd':
			depname = optarg;
			break;
		case 'R':
			reservenum = strtol(optarg, NULL, 0);
			break;
		case 'S':
			minsize = strtol(optarg, NULL, 0);
			break;
		case 'p':
			padsize = strtol(optarg, NULL, 0);
			break;
		case 'f':
			force = 1;
			break;
		case 'q':
			quiet++;
			break;
		case 'b':
			cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
			break;
		case 'i':
			srcfile_add_search_path(optarg);
			break;
		case 'v':
			printf("Version: %s\n", DTC_VERSION);
			exit(0);
		case 'H':
			if (streq(optarg, "legacy"))
				phandle_format = PHANDLE_LEGACY;
			else if (streq(optarg, "epapr"))
				phandle_format = PHANDLE_EPAPR;
			else if (streq(optarg, "both"))
				phandle_format = PHANDLE_BOTH;
			else
				die("Invalid argument \"%s\" to -H option\n",
				    optarg);
			break;

		case 's':
			sort = 1;
			break;

		case 'W':
			parse_checks_option(true, false, optarg);
			break;

		case 'E':
			parse_checks_option(false, true, optarg);
			break;

		case 'h':
		default:
			usage();
		}
	}

	if (argc > (optind+1))
		usage();
	else if (argc < (optind+1))
		arg = "-";
	else
		arg = argv[optind];

	/* minsize and padsize are mutually exclusive */
	if (minsize && padsize)
		die("Can't set both -p and -S\n");

	if (minsize)
		fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");

	if (depname) {
		depfile = fopen(depname, "w");
		if (!depfile)
			die("Couldn't open dependency file %s: %s\n", depname,
			    strerror(errno));
		fprintf(depfile, "%s:", outname);
	}

	if (streq(inform, "dts"))
		bi = dt_from_source(arg);
	else if (streq(inform, "fs"))
		bi = dt_from_fs(arg);
	else if(streq(inform, "dtb"))
		bi = dt_from_blob(arg);
	else
		die("Unknown input format \"%s\"\n", inform);

	if (depfile) {
		fputc('\n', depfile);
		fclose(depfile);
	}

	if (cmdline_boot_cpuid != -1)
		bi->boot_cpuid_phys = cmdline_boot_cpuid;

	fill_fullpaths(bi->dt, "");
	process_checks(force, bi);

	if (sort)
		sort_tree(bi);

	if (streq(outname, "-")) {
		outf = stdout;
	} else {
		outf = fopen(outname, "w");
		if (! outf)
			die("Couldn't open output file %s: %s\n",
			    outname, strerror(errno));
	}

	if (streq(outform, "dts")) {
		dt_to_source(outf, bi);
	} else if (streq(outform, "dtb")) {
		dt_to_blob(outf, bi, outversion);
	} else if (streq(outform, "asm")) {
		dt_to_asm(outf, bi, outversion);
	} else if (streq(outform, "null")) {
		/* do nothing */
	} else {
		die("Unknown output format \"%s\"\n", outform);
	}

	exit(0);
}
Commit	Line	Data
a4da2e3e DG	1	/*
	2	* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
	3	*
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU General Public License as
	7	* published by the Free Software Foundation; either version 2 of the
	8	* License, or (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
	18	* USA
	19	*/
	20
	21	#include "dtc.h"
	22	#include "srcpos.h"
	23
	24	#include "version_gen.h"
	25
	26	/*
	27	* Command line options
	28	*/
	29	int quiet; /* Level of quietness */
	30	int reservenum; /* Number of memory reservation slots */
	31	int minsize; /* Minimum blob size */
	32	int padsize; /* Additional padding to blob */
658f29a5	33	int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
a4da2e3e	34
ed95d745	35	static void fill_fullpaths(struct node tree, const char prefix)
a4da2e3e DG	36	{
	37	struct node *child;
	38	const char *unit;
	39
	40	tree->fullpath = join_path(prefix, tree->name);
	41
	42	unit = strchr(tree->name, '@');
	43	if (unit)
	44	tree->basenamelen = unit - tree->name;
	45	else
	46	tree->basenamelen = strlen(tree->name);
	47
	48	for_each_child(tree, child)
	49	fill_fullpaths(child, tree->fullpath);
	50	}
	51
	52	static void __attribute__ ((noreturn)) usage(void)
	53	{
	54	fprintf(stderr, "Usage:\n");
	55	fprintf(stderr, "\tdtc [options] <input file>\n");
	56	fprintf(stderr, "\nOptions:\n");
	57	fprintf(stderr, "\t-h\n");
	58	fprintf(stderr, "\t\tThis help text\n");
	59	fprintf(stderr, "\t-q\n");
	60	fprintf(stderr, "\t\tQuiet: -q suppress warnings, -qq errors, -qqq all\n");
	61	fprintf(stderr, "\t-I <input format>\n");
	62	fprintf(stderr, "\t\tInput formats are:\n");
	63	fprintf(stderr, "\t\t\tdts - device tree source text\n");
	64	fprintf(stderr, "\t\t\tdtb - device tree blob\n");
	65	fprintf(stderr, "\t\t\tfs - /proc/device-tree style directory\n");
	66	fprintf(stderr, "\t-o <output file>\n");
	67	fprintf(stderr, "\t-O <output format>\n");
	68	fprintf(stderr, "\t\tOutput formats are:\n");
	69	fprintf(stderr, "\t\t\tdts - device tree source text\n");
	70	fprintf(stderr, "\t\t\tdtb - device tree blob\n");
	71	fprintf(stderr, "\t\t\tasm - assembler source\n");
	72	fprintf(stderr, "\t-V <output version>\n");
	73	fprintf(stderr, "\t\tBlob version to produce, defaults to %d (relevant for dtb\n\t\tand asm output only)\n", DEFAULT_FDT_VERSION);
136ec204	74	fprintf(stderr, "\t-d <output dependency file>\n");
a4da2e3e DG	75	fprintf(stderr, "\t-R <number>\n");
	76	fprintf(stderr, "\t\tMake space for <number> reserve map entries (relevant for \n\t\tdtb and asm output only)\n");
	77	fprintf(stderr, "\t-S <bytes>\n");
	78	fprintf(stderr, "\t\tMake the blob at least <bytes> long (extra space)\n");
	79	fprintf(stderr, "\t-p <bytes>\n");
	80	fprintf(stderr, "\t\tAdd padding to the blob of <bytes> long (extra space)\n");
	81	fprintf(stderr, "\t-b <number>\n");
	82	fprintf(stderr, "\t\tSet the physical boot cpu\n");
	83	fprintf(stderr, "\t-f\n");
	84	fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
cd296721 SW	85	fprintf(stderr, "\t-i\n");
cd296721 SW	86	fprintf(stderr, "\t\tAdd a path to search for include files\n");
658f29a5 JB	87	fprintf(stderr, "\t-s\n");
658f29a5 JB	88	fprintf(stderr, "\t\tSort nodes and properties before outputting (only useful for\n\t\tcomparing trees)\n");
a4da2e3e DG	89	fprintf(stderr, "\t-v\n");
a4da2e3e DG	90	fprintf(stderr, "\t\tPrint DTC version and exit\n");
658f29a5 JB	91	fprintf(stderr, "\t-H <phandle format>\n");
	92	fprintf(stderr, "\t\tphandle formats are:\n");
	93	fprintf(stderr, "\t\t\tlegacy - \"linux,phandle\" properties only\n");
	94	fprintf(stderr, "\t\t\tepapr - \"phandle\" properties only\n");
	95	fprintf(stderr, "\t\t\tboth - Both \"linux,phandle\" and \"phandle\" properties\n");
cd296721 SW	96	fprintf(stderr, "\t-W [no-]<checkname>\n");
	97	fprintf(stderr, "\t-E [no-]<checkname>\n");
	98	fprintf(stderr, "\t\t\tenable or disable warnings and errors\n");
ed95d745	99	exit(3);
a4da2e3e DG	100	}
	101
	102	int main(int argc, char *argv[])
	103	{
	104	struct boot_info *bi;
	105	const char *inform = "dts";
	106	const char *outform = "dts";
	107	const char *outname = "-";
136ec204	108	const char *depname = NULL;
db7f4e3d	109	int force = 0, sort = 0;
a4da2e3e DG	110	const char *arg;
a4da2e3e DG	111	int opt;
a4da2e3e DG	112	FILE *outf = NULL;
a4da2e3e DG	113	int outversion = DEFAULT_FDT_VERSION;
ed95d745	114	long long cmdline_boot_cpuid = -1;
a4da2e3e DG	115
	116	quiet = 0;
	117	reservenum = 0;
	118	minsize = 0;
	119	padsize = 0;
	120
cd296721	121	while ((opt = getopt(argc, argv, "hI:O:o:V:d:R:S:p:fqb:i:vH:sW:E:"))
136ec204	122	!= EOF) {
a4da2e3e DG	123	switch (opt) {
	124	case 'I':
	125	inform = optarg;
	126	break;
	127	case 'O':
	128	outform = optarg;
	129	break;
	130	case 'o':
	131	outname = optarg;
	132	break;
	133	case 'V':
	134	outversion = strtol(optarg, NULL, 0);
	135	break;
136ec204 SW	136	case 'd':
	137	depname = optarg;
	138	break;
a4da2e3e DG	139	case 'R':
	140	reservenum = strtol(optarg, NULL, 0);
	141	break;
	142	case 'S':
	143	minsize = strtol(optarg, NULL, 0);
	144	break;
	145	case 'p':
	146	padsize = strtol(optarg, NULL, 0);
	147	break;
	148	case 'f':
	149	force = 1;
	150	break;
a4da2e3e DG	151	case 'q':
	152	quiet++;
	153	break;
	154	case 'b':
ed95d745	155	cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
a4da2e3e	156	break;
cd296721 SW	157	case 'i':
	158	srcfile_add_search_path(optarg);
	159	break;
a4da2e3e	160	case 'v':
ed95d745 DG	161	printf("Version: %s\n", DTC_VERSION);
ed95d745 DG	162	exit(0);
658f29a5 JB	163	case 'H':
	164	if (streq(optarg, "legacy"))
	165	phandle_format = PHANDLE_LEGACY;
	166	else if (streq(optarg, "epapr"))
	167	phandle_format = PHANDLE_EPAPR;
	168	else if (streq(optarg, "both"))
	169	phandle_format = PHANDLE_BOTH;
	170	else
	171	die("Invalid argument \"%s\" to -H option\n",
	172	optarg);
	173	break;
	174
	175	case 's':
	176	sort = 1;
	177	break;
	178
cd296721 SW	179	case 'W':
	180	parse_checks_option(true, false, optarg);
	181	break;
	182
	183	case 'E':
	184	parse_checks_option(false, true, optarg);
	185	break;
	186
a4da2e3e DG	187	case 'h':
	188	default:
	189	usage();
	190	}
	191	}
	192
	193	if (argc > (optind+1))
	194	usage();
	195	else if (argc < (optind+1))
	196	arg = "-";
	197	else
	198	arg = argv[optind];
	199
	200	/* minsize and padsize are mutually exclusive */
ed95d745	201	if (minsize && padsize)
a4da2e3e	202	die("Can't set both -p and -S\n");
a4da2e3e	203
658f29a5 JB	204	if (minsize)
	205	fprintf(stderr, "DTC: Use of \"-S\" is deprecated; it will be removed soon, use \"-p\" instead\n");
	206
136ec204 SW	207	if (depname) {
	208	depfile = fopen(depname, "w");
	209	if (!depfile)
	210	die("Couldn't open dependency file %s: %s\n", depname,
	211	strerror(errno));
	212	fprintf(depfile, "%s:", outname);
	213	}
	214
ed95d745	215	if (streq(inform, "dts"))
a4da2e3e	216	bi = dt_from_source(arg);
ed95d745	217	else if (streq(inform, "fs"))
a4da2e3e	218	bi = dt_from_fs(arg);
ed95d745 DG	219	else if(streq(inform, "dtb"))
	220	bi = dt_from_blob(arg);
	221	else
a4da2e3e	222	die("Unknown input format \"%s\"\n", inform);
a4da2e3e	223
136ec204 SW	224	if (depfile) {
	225	fputc('\n', depfile);
	226	fclose(depfile);
	227	}
	228
ed95d745 DG	229	if (cmdline_boot_cpuid != -1)
ed95d745 DG	230	bi->boot_cpuid_phys = cmdline_boot_cpuid;
a4da2e3e	231
ed95d745 DG	232	fill_fullpaths(bi->dt, "");
ed95d745 DG	233	process_checks(force, bi);
a4da2e3e	234
658f29a5 JB	235	if (sort)
658f29a5 JB	236	sort_tree(bi);
a4da2e3e DG	237
	238	if (streq(outname, "-")) {
	239	outf = stdout;
	240	} else {
	241	outf = fopen(outname, "w");
	242	if (! outf)
	243	die("Couldn't open output file %s: %s\n",
	244	outname, strerror(errno));
	245	}
	246
	247	if (streq(outform, "dts")) {
	248	dt_to_source(outf, bi);
	249	} else if (streq(outform, "dtb")) {
ed95d745	250	dt_to_blob(outf, bi, outversion);
a4da2e3e	251	} else if (streq(outform, "asm")) {
ed95d745	252	dt_to_asm(outf, bi, outversion);
a4da2e3e DG	253	} else if (streq(outform, "null")) {
	254	/* do nothing */
	255	} else {
	256	die("Unknown output format \"%s\"\n", outform);
	257	}
	258
	259	exit(0);
	260	}