diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/dtc/fstree.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/dtc/fstree.c')
-rw-r--r-- | qemu/dtc/fstree.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/qemu/dtc/fstree.c b/qemu/dtc/fstree.c new file mode 100644 index 000000000..f37745301 --- /dev/null +++ b/qemu/dtc/fstree.c @@ -0,0 +1,91 @@ +/* + * (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 <dirent.h> +#include <sys/stat.h> + +static struct node *read_fstree(const char *dirname) +{ + DIR *d; + struct dirent *de; + struct stat st; + struct node *tree; + + d = opendir(dirname); + if (!d) + die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno)); + + tree = build_node(NULL, NULL); + + while ((de = readdir(d)) != NULL) { + char *tmpnam; + + if (streq(de->d_name, ".") + || streq(de->d_name, "..")) + continue; + + tmpnam = join_path(dirname, de->d_name); + + if (lstat(tmpnam, &st) < 0) + die("stat(%s): %s\n", tmpnam, strerror(errno)); + + if (S_ISREG(st.st_mode)) { + struct property *prop; + FILE *pfile; + + pfile = fopen(tmpnam, "r"); + if (! pfile) { + fprintf(stderr, + "WARNING: Cannot open %s: %s\n", + tmpnam, strerror(errno)); + } else { + prop = build_property(xstrdup(de->d_name), + data_copy_file(pfile, + st.st_size)); + add_property(tree, prop); + fclose(pfile); + } + } else if (S_ISDIR(st.st_mode)) { + struct node *newchild; + + newchild = read_fstree(tmpnam); + newchild = name_node(newchild, xstrdup(de->d_name)); + add_child(tree, newchild); + } + + free(tmpnam); + } + + closedir(d); + return tree; +} + +struct boot_info *dt_from_fs(const char *dirname) +{ + struct node *tree; + + tree = read_fstree(dirname); + tree = name_node(tree, ""); + + return build_boot_info(NULL, tree, guess_boot_cpuid(tree)); +} + |