dtc.c - pub/scm/linux/kernel/git/jdl/dtc - Git at Google

 /*
  * (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);
 }

 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':
 			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 = 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 (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);
 }
	/*
	* (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);
	}

	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':
	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 = 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 (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);
	}