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