| /* |
| * (c) Copyright 2012 by National Instruments, |
| * Joe Hershberger <joe.hershberger@ni.com> |
| * |
| * 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 |
| */ |
| |
| #include <common.h> |
| |
| #include <command.h> |
| #include <environment.h> |
| #include <errno.h> |
| #include <malloc.h> |
| #include <search.h> |
| #include <ubi_uboot.h> |
| #undef crc32 |
| |
| char *env_name_spec = "UBI"; |
| |
| env_t *env_ptr; |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int env_init(void) |
| { |
| /* use default */ |
| gd->env_addr = (ulong)&default_environment[0]; |
| gd->env_valid = 1; |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_CMD_SAVEENV |
| int saveenv(void) |
| { |
| ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1); |
| ssize_t len; |
| char *res; |
| |
| 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; |
| } |
| |
| if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) { |
| printf("\n** Cannot find mtd partition \"%s\"\n", |
| CONFIG_ENV_UBI_PART); |
| return 1; |
| } |
| |
| env_new->crc = crc32(0, env_new->data, ENV_SIZE); |
| |
| if (ubi_volume_write(CONFIG_ENV_UBI_VOLUME, (void *)env_new, |
| CONFIG_ENV_SIZE)) { |
| printf("\n** Unable to write env to %s:%s **\n", |
| CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME); |
| return 1; |
| } |
| |
| puts("done\n"); |
| return 0; |
| } |
| #endif /* CONFIG_CMD_SAVEENV */ |
| |
| void env_relocate_spec(void) |
| { |
| ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE); |
| |
| if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) { |
| printf("\n** Cannot find mtd partition \"%s\"\n", |
| CONFIG_ENV_UBI_PART); |
| set_default_env(NULL); |
| return; |
| } |
| |
| if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME, (void *)&buf, |
| CONFIG_ENV_SIZE)) { |
| printf("\n** Unable to read env from %s:%s **\n", |
| CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME); |
| set_default_env(NULL); |
| return; |
| } |
| |
| env_import(buf, 1); |
| } |