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21fdc27a05
This is a split merge because of non-uniform licensing of the DTC package contents and the way these components will be used in the FreeBSD environment. The original DTC package is composed of the following two major pieces: 1. sys/contrib/libfdt (BSD [dual] license) 2. contrib/dtc (GPLv2) The libfdt component is going to be shared in all aspects of the environment: - /boot/loader - kernel - dtc (the device tree compiler proper, userspace tool)
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "dtc.h"
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#include <dirent.h>
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#include <sys/stat.h>
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static struct node *read_fstree(const char *dirname)
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{
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DIR *d;
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struct dirent *de;
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struct stat st;
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struct node *tree;
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d = opendir(dirname);
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if (!d)
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die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno));
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tree = build_node(NULL, NULL);
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while ((de = readdir(d)) != NULL) {
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char *tmpnam;
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if (streq(de->d_name, ".")
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|| streq(de->d_name, ".."))
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continue;
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tmpnam = join_path(dirname, de->d_name);
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if (lstat(tmpnam, &st) < 0)
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die("stat(%s): %s\n", tmpnam, strerror(errno));
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if (S_ISREG(st.st_mode)) {
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struct property *prop;
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FILE *pfile;
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pfile = fopen(tmpnam, "r");
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if (! pfile) {
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fprintf(stderr,
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"WARNING: Cannot open %s: %s\n",
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tmpnam, strerror(errno));
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} else {
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prop = build_property(xstrdup(de->d_name),
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data_copy_file(pfile,
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st.st_size),
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NULL);
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add_property(tree, prop);
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fclose(pfile);
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}
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} else if (S_ISDIR(st.st_mode)) {
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struct node *newchild;
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newchild = read_fstree(tmpnam);
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newchild = name_node(newchild, xstrdup(de->d_name),
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NULL);
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add_child(tree, newchild);
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}
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free(tmpnam);
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}
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return tree;
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}
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struct boot_info *dt_from_fs(const char *dirname)
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{
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struct node *tree;
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tree = read_fstree(dirname);
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tree = name_node(tree, "", NULL);
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return build_boot_info(NULL, tree, 0);
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}
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