#include <linux/stddef.h>
#include <malloc.h>
#include <mmc.h>
+#include <errno.h>
/* references to names in env_common.c */
extern uchar default_environment[];
int saveenv(void)
{
+ env_t env_new;
+ ssize_t len;
+ char *res;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
if (init_mmc_for_env(mmc))
return 1;
+ res = (char *)&env_new.data;
+ len = hexport('\0', &res, ENV_SIZE);
+ if (len < 0) {
+ error("Cannot export environment: errno = %d\n", errno);
+ return 1;
+ }
+ env_new.crc = crc32(0, env_new.data, ENV_SIZE);
printf("Writing to MMC(%d)... ", CONFIG_SYS_MMC_ENV_DEV);
- if (write_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr)) {
+ if (write_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, (u_char *)&env_new)) {
puts("failed\n");
return 1;
}
void env_relocate_spec(void)
{
#if !defined(ENV_IS_EMBEDDED)
+ char buf[CONFIG_ENV_SIZE];
+
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
- if (init_mmc_for_env(mmc))
+ if (init_mmc_for_env(mmc)) {
+ use_default();
return;
+ }
- if (read_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, env_ptr))
- return use_default();
-
- if (crc32(0, env_ptr->data, ENV_SIZE) != env_ptr->crc)
- return use_default();
+ if (read_env(mmc, CONFIG_ENV_SIZE, CONFIG_ENV_OFFSET, buf)) {
+ use_default();
+ return;
+ }
- gd->env_valid = 1;
+ env_import(buf, 1);
#endif
}