18  * Example: ./tools/mkenvimage -s 0x8000 -p 0x0 -o env.img env.txt
34  * In case of env and env-backup partitions are too large that exceeds the limit
35  * of CONFIG_SPL_SYS_MALLOC_F_LEN. we prefer to use a static address as an env
109 	env_t *env;  in env_read()  local
113 	env = spl_env;  in env_read()
115 	env = malloc(size);  in env_read()
116 	if (!env)  in env_read()
123 	if (blk_dread(desc, blk_off, blk_cnt, (void *)env) != blk_cnt) {  in env_read()
128 	if (crc32(0, env->data, data_size) != env->crc) {  in env_read()
134 	*envp = env;  in env_read()
139 	free(env);  in env_read()
146 	env_t *env = NULL;  in envf_read()  local
155 	/* SD upgrade card: LBA0 is MBR, and LBA1 is env.img with 16KB size */  in envf_read()
162 	ret = env_read(desc, env_offset, env_size, &env);  in envf_read()
164 		ret = env_read(desc, env_offset_redund, env_size, &env);  in envf_read()
166 	return env;  in envf_read()
170 static const char *env_get_string(env_t *env, u32 size, const char *str)  in env_get_string()  argument
175 	dp = (const char *)env->data;  in env_get_string()
190 	} while (((ulong)dp < (ulong)env->data + env_size) && *dp);  in env_get_string()
200 	env_t *env;  in envf_get_part_table()  local
205 	env = envf_read(desc);  in envf_get_part_table()
206 	if (!env)  in envf_get_part_table()
214 	list = env_get_string(env, env_size, part_type[0]);  in envf_get_part_table()
216 		list = env_get_string(env, env_size, part_type[1]);  in envf_get_part_table()
218 		ENVF_MSG("Unavailable env part table\n");  in envf_get_part_table()
243 			/* Do nothing, ignore 'sys_bootargs' from env.img */  in envf_init_vars()
258 	env_t *env;  in envf_load()  local
266 	env = envf_read(desc);  in envf_load()
267 	if (!env)  in envf_load()
271 		if (!himport_r(&env_htab, (char *)env->data, env_size, '\0',  in envf_load()
283 	ALLOC_CACHE_ALIGN_BUFFER(env_t, env, 1);  in envf_save()
296 	res = (char *)env->data;  in envf_save()
305 	env->crc = crc32(0, env->data, env_size - ENV_HEADER_SIZE);  in envf_save()
308 		       blk_cnt, (char *)env) != blk_cnt) {  in envf_save()
315 			       blk_cnt, (char *)env) != blk_cnt)  in envf_save()