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/*
* (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"
char *join_path(char *path, char *name)
{
int lenp = strlen(path);
int lenn = strlen(name);
int len;
int needslash = 1;
char *str;
len = lenp + lenn + 2;
if ((lenp > 0) && (path[lenp-1] == '/')) {
needslash = 0;
len--;
}
str = xmalloc(len);
memcpy(str, path, lenp);
if (needslash) {
str[lenp] = '/';
lenp++;
}
memcpy(str+lenp, name, lenn+1);
return str;
}
void fill_fullpaths(struct node *tree, char *prefix)
{
struct node *child;
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 FILE *dtc_open_file(char *fname)
{
FILE *f;
if (streq(fname, "-"))
f = stdin;
else
f = fopen(fname, "r");
if (! f)
die("Couldn't open \"%s\": %s\n", fname, strerror(errno));
return f;
}
static void usage(void)
{
fprintf(stderr, "Usage:\n");
fprintf(stderr, "\tdtc [options] <input file>\n");
fprintf(stderr, "\nOptions:\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 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 3 (relevant for dtb\n\t\tand asm output only)\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-f\n");
fprintf(stderr, "\t\tForce - try to produce output even if the input tree has errors\n");
exit(2);
}
int main(int argc, char *argv[])
{
struct boot_info *bi;
char *inform = "dts";
char *outform = "dts";
char *outname = "-";
int force = 0;
char *arg;
int opt;
FILE *inf = NULL;
FILE *outf = NULL;
int outversion = 3;
int reservenum = 1;
while ((opt = getopt(argc, argv, "I:O:o:V:R:f")) != 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 'R':
reservenum = strtol(optarg, NULL, 0);
break;
case 'f':
force = 1;
break;
default:
usage();
}
}
if (argc > (optind+1))
usage();
else if (argc < (optind+1))
arg = "-";
else
arg = argv[optind];
fprintf(stderr, "DTC: %s->%s on file \"%s\"\n",
inform, outform, arg);
if (streq(inform, "dts")) {
inf = dtc_open_file(arg);
bi = dt_from_source(inf);
} else if (streq(inform, "fs")) {
bi = dt_from_fs(arg);
} else if(streq(inform, "dtb")) {
inf = dtc_open_file(arg);
bi = dt_from_blob(inf);
} else {
die("Unknown input format \"%s\"\n", inform);
}
if (inf && (inf != stdin))
fclose(inf);
if (! bi || ! bi->dt)
die("Couldn't read input tree\n");
if (! check_device_tree(bi->dt)) {
fprintf(stderr, "Input tree has errors\n");
if (! force)
exit(1);
}
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")) {
write_tree_source(outf, bi);
} else if (streq(outform, "dtb")) {
write_dt_blob(outf, bi, outversion);
} else if (streq(outform, "asm")) {
write_dt_asm(outf, bi, outversion);
} else if (streq(outform, "null")) {
/* do nothing */
} else {
die("Unknown output format \"%s\"\n", outform);
}
exit(0);
}
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