Initial commit
diff --git a/dtc.c b/dtc.c
new file mode 100644
index 0000000..f527e08
--- /dev/null
+++ b/dtc.c
@@ -0,0 +1,198 @@
+/*
+ * (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 node *dt;
+ 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);
+ dt = dt_from_source(inf);
+ } else if (streq(inform, "fs")) {
+ dt = dt_from_fs(arg);
+ } else if(streq(inform, "dtb")) {
+ inf = dtc_open_file(arg);
+ dt = dt_from_blob(inf);
+ } else {
+ die("Unknown input format \"%s\"\n", inform);
+ }
+
+ if (inf && (inf != stdin))
+ fclose(inf);
+
+ if (! dt)
+ die("Couldn't read input tree\n");
+
+ if (! check_device_tree(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, dt, 0);
+ } else if (streq(outform, "dtb")) {
+ write_dt_blob(outf, dt, outversion, reservenum);
+ } else if (streq(outform, "asm")) {
+ write_dt_asm(outf, dt, outversion, reservenum);
+ } else if (streq(outform, "null")) {
+ /* do nothing */
+ } else {
+ die("Unknown output format \"%s\"\n", outform);
+ }
+
+ exit(0);
+}