* LowLevel function for DataFlash environment support
* Author : Gilles Gastaldi (Atmel)
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
env_t *env_ptr;
char *env_name_spec = "dataflash";
-static char env_buf[CONFIG_ENV_SIZE];
uchar env_get_char_spec(int index)
{
void env_relocate_spec(void)
{
- read_dataflash(CONFIG_ENV_ADDR, CONFIG_ENV_SIZE, env_buf);
+ char buf[CONFIG_ENV_SIZE];
+
+ read_dataflash(CONFIG_ENV_ADDR, CONFIG_ENV_SIZE, buf);
- env_import(env_buf, 1);
+ env_import(buf, 1);
}
#ifdef CONFIG_ENV_OFFSET_REDUND
int saveenv(void)
{
- env_t *env_new = (env_t *)env_buf;
+ env_t env_new;
ssize_t len;
char *res;
- res = (char *)env_new->data;
+ res = (char *)&env_new.data;
len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
}
- env_new->crc = crc32(0, env_new->data, ENV_SIZE);
+ env_new.crc = crc32(0, env_new.data, ENV_SIZE);
return write_dataflash(CONFIG_ENV_ADDR,
- (unsigned long)env_new,
+ (unsigned long)&env_new,
CONFIG_ENV_SIZE);
}