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https://github.com/pengutronix/genimage.git
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cfd0426a62
When none of the images need files from the rootpath, then make it optional. Some types never need it. For others the image must be explicitly marked as empty. Fixes: #181 Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
132 lines
3.1 KiB
C
132 lines
3.1 KiB
C
/*
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* Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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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
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* GNU 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <confuse.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "genimage.h"
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struct ubi {
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};
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static int ubi_generate(struct image *image)
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{
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int ret;
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FILE *fini;
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char *tempfile;
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int i = 0;
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struct partition *part;
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char *extraargs = cfg_getstr(image->imagesec, "extraargs");
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xasprintf(&tempfile, "%s/ubi.ini", tmppath());
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if (!tempfile)
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return -ENOMEM;
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fini = fopen(tempfile, "w");
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if (!fini) {
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ret = -errno;
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image_error(image, "creating temp file failed: %s\n", strerror(errno));
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goto err_free;
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}
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list_for_each_entry(part, &image->partitions, list) {
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struct image *child = NULL;
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unsigned long long size = part->size;
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if (part->image)
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child = image_get(part->image);
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if (!size) {
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if (!child) {
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image_error(image, "could not find %s\n", part->image);
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fclose(fini);
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ret = -EINVAL;
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goto err_free;
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}
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size = child->size;
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}
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fprintf(fini, "[%s]\n", part->name);
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fprintf(fini, "mode=ubi\n");
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if (child)
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fprintf(fini, "image=%s\n", imageoutfile(child));
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fprintf(fini, "vol_id=%d\n", i);
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fprintf(fini, "vol_size=%lld\n", size);
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fprintf(fini, "vol_type=%s\n", part->read_only ? "static" : "dynamic");
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fprintf(fini, "vol_name=%s\n", part->name);
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if (part->autoresize)
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fprintf(fini, "vol_flags=autoresize\n");
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fprintf(fini, "vol_alignment=1\n");
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i++;
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}
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fclose(fini);
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ret = systemp(image, "%s -s %d -O %d -p %d -m %d -o '%s' '%s' %s",
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get_opt("ubinize"),
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image->flash_type->sub_page_size,
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image->flash_type->vid_header_offset,
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image->flash_type->pebsize,
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image->flash_type->minimum_io_unit_size,
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imageoutfile(image),
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tempfile,
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extraargs);
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err_free:
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free(tempfile);
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return ret;
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}
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static int ubi_setup(struct image *image, cfg_t *cfg)
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{
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struct ubi *ubi = xzalloc(sizeof(*ubi));
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int autoresize = 0;
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struct partition *part;
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if (!image->flash_type) {
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image_error(image, "no flash type given\n");
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return -EINVAL;
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}
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image->handler_priv = ubi;
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list_for_each_entry(part, &image->partitions, list)
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autoresize += part->autoresize;
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if (autoresize > 1) {
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image_error(image, "more than one volume has the autoresize flag set\n");
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return -EINVAL;
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}
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return 0;
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}
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static cfg_opt_t ubi_opts[] = {
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CFG_STR("extraargs", "", CFGF_NONE),
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CFG_END()
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};
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struct image_handler ubi_handler = {
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.type = "ubi",
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.no_rootpath = cfg_true,
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.generate = ubi_generate,
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.setup = ubi_setup,
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.opts = ubi_opts,
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};
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