[GitHub/exynos8895/android_kernel_samsung_universal8895.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"

/*
 * 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);
}

/* Usage related data. */
#define FDT_VERSION(version)	_FDT_VERSION(version)
#define _FDT_VERSION(version)	#version
static const char usage_synopsis[] = "dtc [options] <input file>";
static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv";
static struct option const usage_long_opts[] = {
	{"quiet",            no_argument, NULL, 'q'},
	{"in-format",         a_argument, NULL, 'I'},
	{"out",               a_argument, NULL, 'o'},
	{"out-format",        a_argument, NULL, 'O'},
	{"out-version",       a_argument, NULL, 'V'},
	{"out-dependency",    a_argument, NULL, 'd'},
	{"reserve",           a_argument, NULL, 'R'},
	{"space",             a_argument, NULL, 'S'},
	{"pad",               a_argument, NULL, 'p'},
	{"boot-cpu",          a_argument, NULL, 'b'},
	{"force",            no_argument, NULL, 'f'},
	{"include",           a_argument, NULL, 'i'},
	{"sort",             no_argument, NULL, 's'},
	{"phandle",           a_argument, NULL, 'H'},
	{"warning",           a_argument, NULL, 'W'},
	{"error",             a_argument, NULL, 'E'},
	{"help",             no_argument, NULL, 'h'},
	{"version",          no_argument, NULL, 'v'},
	{NULL,               no_argument, NULL, 0x0},
};
static const char * const usage_opts_help[] = {
	"\n\tQuiet: -q suppress warnings, -qq errors, -qqq all",
	"\n\tInput formats are:\n"
	 "\t\tdts - device tree source text\n"
	 "\t\tdtb - device tree blob\n"
	 "\t\tfs  - /proc/device-tree style directory",
	"\n\tOutput file",
	"\n\tOutput formats are:\n"
	 "\t\tdts - device tree source text\n"
	 "\t\tdtb - device tree blob\n"
	 "\t\tasm - assembler source",
	"\n\tBlob version to produce, defaults to "FDT_VERSION(DEFAULT_FDT_VERSION)" (for dtb and asm output)",
	"\n\tOutput dependency file",
	"\n\tMake space for <number> reserve map entries (for dtb and asm output)",
	"\n\tMake the blob at least <bytes> long (extra space)",
	"\n\tAdd padding to the blob of <bytes> long (extra space)",
	"\n\tSet the physical boot cpu",
	"\n\tTry to produce output even if the input tree has errors",
	"\n\tAdd a path to search for include files",
	"\n\tSort nodes and properties before outputting (useful for comparing trees)",
	"\n\tValid phandle formats are:\n"
	 "\t\tlegacy - \"linux,phandle\" properties only\n"
	 "\t\tepapr  - \"phandle\" properties only\n"
	 "\t\tboth   - Both \"linux,phandle\" and \"phandle\" properties",
	"\n\tEnable/disable warnings (prefix with \"no-\")",
	"\n\tEnable/disable errors (prefix with \"no-\")",
	"\n\tPrint this help and exit",
	"\n\tPrint version and exit",
	NULL,
};

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;
	bool force = false, sort = false;
	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 = util_getopt_long()) != 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 = true;
			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':
			util_version();
		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 = true;
			break;

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

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

		case 'h':
			usage(NULL);
		default:
			usage("unknown option");
		}
	}

	if (argc > (optind+1))
		usage("missing files");
	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 (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, "wb");
		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
a4da2e3e DG	24	/*
	25	* Command line options
	26	*/
	27	int quiet; /* Level of quietness */
	28	int reservenum; /* Number of memory reservation slots */
	29	int minsize; /* Minimum blob size */
	30	int padsize; /* Additional padding to blob */
658f29a5	31	int phandle_format = PHANDLE_BOTH; /* Use linux,phandle or phandle properties */
a4da2e3e	32
ed95d745	33	static void fill_fullpaths(struct node tree, const char prefix)
a4da2e3e DG	34	{
	35	struct node *child;
	36	const char *unit;
	37
	38	tree->fullpath = join_path(prefix, tree->name);
	39
	40	unit = strchr(tree->name, '@');
	41	if (unit)
	42	tree->basenamelen = unit - tree->name;
	43	else
	44	tree->basenamelen = strlen(tree->name);
	45
	46	for_each_child(tree, child)
	47	fill_fullpaths(child, tree->fullpath);
	48	}
	49
73ab39b1	50	/* Usage related data. */
47605971 RH	51	#define FDT_VERSION(version) _FDT_VERSION(version)
47605971 RH	52	#define _FDT_VERSION(version) #version
73ab39b1 GL	53	static const char usage_synopsis[] = "dtc [options] <input file>";
	54	static const char usage_short_opts[] = "qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv";
	55	static struct option const usage_long_opts[] = {
	56	{"quiet", no_argument, NULL, 'q'},
	57	{"in-format", a_argument, NULL, 'I'},
	58	{"out", a_argument, NULL, 'o'},
	59	{"out-format", a_argument, NULL, 'O'},
	60	{"out-version", a_argument, NULL, 'V'},
	61	{"out-dependency", a_argument, NULL, 'd'},
	62	{"reserve", a_argument, NULL, 'R'},
	63	{"space", a_argument, NULL, 'S'},
	64	{"pad", a_argument, NULL, 'p'},
	65	{"boot-cpu", a_argument, NULL, 'b'},
	66	{"force", no_argument, NULL, 'f'},
	67	{"include", a_argument, NULL, 'i'},
	68	{"sort", no_argument, NULL, 's'},
	69	{"phandle", a_argument, NULL, 'H'},
	70	{"warning", a_argument, NULL, 'W'},
	71	{"error", a_argument, NULL, 'E'},
	72	{"help", no_argument, NULL, 'h'},
	73	{"version", no_argument, NULL, 'v'},
	74	{NULL, no_argument, NULL, 0x0},
	75	};
	76	static const char * const usage_opts_help[] = {
	77	"\n\tQuiet: -q suppress warnings, -qq errors, -qqq all",
	78	"\n\tInput formats are:\n"
	79	"\t\tdts - device tree source text\n"
	80	"\t\tdtb - device tree blob\n"
	81	"\t\tfs - /proc/device-tree style directory",
	82	"\n\tOutput file",
	83	"\n\tOutput formats are:\n"
	84	"\t\tdts - device tree source text\n"
	85	"\t\tdtb - device tree blob\n"
	86	"\t\tasm - assembler source",
47605971	87	"\n\tBlob version to produce, defaults to "FDT_VERSION(DEFAULT_FDT_VERSION)" (for dtb and asm output)",
73ab39b1	88	"\n\tOutput dependency file",
47605971	89	"\n\tMake space for <number> reserve map entries (for dtb and asm output)",
73ab39b1 GL	90	"\n\tMake the blob at least <bytes> long (extra space)",
	91	"\n\tAdd padding to the blob of <bytes> long (extra space)",
	92	"\n\tSet the physical boot cpu",
	93	"\n\tTry to produce output even if the input tree has errors",
	94	"\n\tAdd a path to search for include files",
	95	"\n\tSort nodes and properties before outputting (useful for comparing trees)",
	96	"\n\tValid phandle formats are:\n"
	97	"\t\tlegacy - \"linux,phandle\" properties only\n"
	98	"\t\tepapr - \"phandle\" properties only\n"
	99	"\t\tboth - Both \"linux,phandle\" and \"phandle\" properties",
	100	"\n\tEnable/disable warnings (prefix with \"no-\")",
	101	"\n\tEnable/disable errors (prefix with \"no-\")",
	102	"\n\tPrint this help and exit",
	103	"\n\tPrint version and exit",
	104	NULL,
	105	};
a4da2e3e DG	106
	107	int main(int argc, char *argv[])
	108	{
	109	struct boot_info *bi;
	110	const char *inform = "dts";
	111	const char *outform = "dts";
	112	const char *outname = "-";
136ec204	113	const char *depname = NULL;
47605971	114	bool force = false, sort = false;
a4da2e3e DG	115	const char *arg;
a4da2e3e DG	116	int opt;
a4da2e3e DG	117	FILE *outf = NULL;
a4da2e3e DG	118	int outversion = DEFAULT_FDT_VERSION;
ed95d745	119	long long cmdline_boot_cpuid = -1;
a4da2e3e DG	120
	121	quiet = 0;
	122	reservenum = 0;
	123	minsize = 0;
	124	padsize = 0;
	125
73ab39b1	126	while ((opt = util_getopt_long()) != EOF) {
a4da2e3e DG	127	switch (opt) {
	128	case 'I':
	129	inform = optarg;
	130	break;
	131	case 'O':
	132	outform = optarg;
	133	break;
	134	case 'o':
	135	outname = optarg;
	136	break;
	137	case 'V':
	138	outversion = strtol(optarg, NULL, 0);
	139	break;
136ec204 SW	140	case 'd':
	141	depname = optarg;
	142	break;
a4da2e3e DG	143	case 'R':
	144	reservenum = strtol(optarg, NULL, 0);
	145	break;
	146	case 'S':
	147	minsize = strtol(optarg, NULL, 0);
	148	break;
	149	case 'p':
	150	padsize = strtol(optarg, NULL, 0);
	151	break;
	152	case 'f':
47605971	153	force = true;
a4da2e3e	154	break;
a4da2e3e DG	155	case 'q':
	156	quiet++;
	157	break;
	158	case 'b':
ed95d745	159	cmdline_boot_cpuid = strtoll(optarg, NULL, 0);
a4da2e3e	160	break;
cd296721 SW	161	case 'i':
	162	srcfile_add_search_path(optarg);
	163	break;
a4da2e3e	164	case 'v':
73ab39b1	165	util_version();
658f29a5 JB	166	case 'H':
	167	if (streq(optarg, "legacy"))
	168	phandle_format = PHANDLE_LEGACY;
	169	else if (streq(optarg, "epapr"))
	170	phandle_format = PHANDLE_EPAPR;
	171	else if (streq(optarg, "both"))
	172	phandle_format = PHANDLE_BOTH;
	173	else
	174	die("Invalid argument \"%s\" to -H option\n",
	175	optarg);
	176	break;
	177
	178	case 's':
47605971	179	sort = true;
658f29a5 JB	180	break;
658f29a5 JB	181
cd296721 SW	182	case 'W':
	183	parse_checks_option(true, false, optarg);
	184	break;
	185
	186	case 'E':
	187	parse_checks_option(false, true, optarg);
	188	break;
	189
a4da2e3e	190	case 'h':
73ab39b1	191	usage(NULL);
a4da2e3e	192	default:
73ab39b1	193	usage("unknown option");
a4da2e3e DG	194	}
	195	}
	196
	197	if (argc > (optind+1))
73ab39b1	198	usage("missing files");
a4da2e3e DG	199	else if (argc < (optind+1))
	200	arg = "-";
	201	else
	202	arg = argv[optind];
	203
	204	/* minsize and padsize are mutually exclusive */
ed95d745	205	if (minsize && padsize)
a4da2e3e	206	die("Can't set both -p and -S\n");
a4da2e3e	207
136ec204 SW	208	if (depname) {
	209	depfile = fopen(depname, "w");
	210	if (!depfile)
	211	die("Couldn't open dependency file %s: %s\n", depname,
	212	strerror(errno));
	213	fprintf(depfile, "%s:", outname);
	214	}
	215
ed95d745	216	if (streq(inform, "dts"))
a4da2e3e	217	bi = dt_from_source(arg);
ed95d745	218	else if (streq(inform, "fs"))
a4da2e3e	219	bi = dt_from_fs(arg);
ed95d745 DG	220	else if(streq(inform, "dtb"))
	221	bi = dt_from_blob(arg);
	222	else
a4da2e3e	223	die("Unknown input format \"%s\"\n", inform);
a4da2e3e	224
136ec204 SW	225	if (depfile) {
	226	fputc('\n', depfile);
	227	fclose(depfile);
	228	}
	229
ed95d745 DG	230	if (cmdline_boot_cpuid != -1)
ed95d745 DG	231	bi->boot_cpuid_phys = cmdline_boot_cpuid;
a4da2e3e	232
ed95d745 DG	233	fill_fullpaths(bi->dt, "");
ed95d745 DG	234	process_checks(force, bi);
a4da2e3e	235
658f29a5 JB	236	if (sort)
658f29a5 JB	237	sort_tree(bi);
a4da2e3e DG	238
	239	if (streq(outname, "-")) {
	240	outf = stdout;
	241	} else {
47605971	242	outf = fopen(outname, "wb");
a4da2e3e DG	243	if (! outf)
	244	die("Couldn't open output file %s: %s\n",
	245	outname, strerror(errno));
	246	}
	247
	248	if (streq(outform, "dts")) {
	249	dt_to_source(outf, bi);
	250	} else if (streq(outform, "dtb")) {
ed95d745	251	dt_to_blob(outf, bi, outversion);
a4da2e3e	252	} else if (streq(outform, "asm")) {
ed95d745	253	dt_to_asm(outf, bi, outversion);
a4da2e3e DG	254	} else if (streq(outform, "null")) {
	255	/* do nothing */
	256	} else {
	257	die("Unknown output format \"%s\"\n", outform);
	258	}
	259
	260	exit(0);
	261	}