.change_ok = env_flags_validate,
};
-__weak uchar env_get_char_spec(int index)
-{
- return *(uchar *)(gd->env_addr + index);
-}
-
-uchar env_get_char(int index)
-{
- /* if env is not set up, or crc was bad, use the default environment */
- if (!gd->env_valid)
- return default_environment[index];
- else
- return env_get_char_spec(index);
-}
-
/*
* Read an environment variable as a boolean
* Return -1 if variable does not exist (default to true)
return drv;
}
-int env_get_char_new(int index)
+int env_get_char(int index)
{
struct env_driver *drv = env_driver_lookup_default();
int ret;
+ if (!gd->env_valid)
+ return default_environment[index];
if (!drv)
return -ENODEV;
if (!drv->get_char)
return 0;
}
-unsigned char env_get_char_spec(int index)
-{
- return *(uchar *)(gd->env_addr + index);
-}
-
void env_relocate_spec(void)
{
env_load();
extern env_t *env_ptr;
extern void env_relocate_spec(void);
-extern unsigned char env_get_char_spec(int);
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
extern void env_reloc(void);
extern struct hsearch_data env_htab;
-/* Function that returns a character from the environment */
-unsigned char env_get_char(int);
-
/* Function that updates CRC of the enironment */
void env_crc_update(void);
*/
struct env_driver *env_driver_lookup_default(void);
+/**
+ * env_get_char() - Get a character from the early environment
+ *
+ * This reads from the pre-relocation environemnt
+ *
+ * @index: Index of character to read (0 = first)
+ * @return character read, or -ve on error
+ */
+int env_get_char(int index);
+
#endif /* DO_DEPS_ONLY */
#endif /* _ENVIRONMENT_H_ */