/*
* (C) Copyright 2008-2011 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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+
*/
/* #define DEBUG */
__weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)
{
- *env_addr = CONFIG_ENV_OFFSET;
+ s64 offset;
+
+ offset = CONFIG_ENV_OFFSET;
#ifdef CONFIG_ENV_OFFSET_REDUND
if (copy)
- *env_addr = CONFIG_ENV_OFFSET_REDUND;
+ offset = CONFIG_ENV_OFFSET_REDUND;
#endif
+
+ if (offset < 0)
+ offset += mmc->capacity;
+
+ *env_addr = offset;
+
return 0;
}
int saveenv(void)
{
ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
- ssize_t len;
- char *res;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
u32 offset;
int ret, copy = 0;
if (init_mmc_for_env(mmc))
return 1;
- 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);
- ret = 1;
+ ret = env_export(env_new);
+ if (ret)
goto fini;
- }
-
- env_new->crc = crc32(0, &env_new->data[0], ENV_SIZE);
#ifdef CONFIG_ENV_OFFSET_REDUND
env_new->flags = ++env_flags; /* increase the serial */
u32 offset1, offset2;
int read1_fail = 0, read2_fail = 0;
int crc1_ok = 0, crc2_ok = 0;
- env_t *ep, *tmp_env1, *tmp_env2;
+ env_t *ep;
int ret;
- tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
- tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
+ ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env1, 1);
+ ALLOC_CACHE_ALIGN_BUFFER(env_t, tmp_env2, 1);
+
if (tmp_env1 == NULL || tmp_env2 == NULL) {
puts("Can't allocate buffers for environment\n");
ret = 1;
if (ret)
set_default_env(NULL);
- free(tmp_env1);
- free(tmp_env2);
#endif
}
#else /* ! CONFIG_ENV_OFFSET_REDUND */