return ret;
}
-static int env_match(uchar *s1, int i2)
+static int env_match(const char *env, const char *s1, int i2)
{
if (s1 == NULL)
return -1;
- while (*s1 == env_get_char(i2++))
+ while (*s1 == env[i2++])
if (*s1++ == '=')
return i2;
- if (*s1 == '\0' && env_get_char(i2-1) == '=')
+ if (*s1 == '\0' && env[i2-1] == '=')
return i2;
return -1;
*/
int env_get_f(const char *name, char *buf, unsigned len)
{
- int i, nxt, c;
+ const char *env;
+ int i, nxt;
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
+ if (gd->env_valid == ENV_INVALID)
+ env = (const char *)default_environment;
+ else
+ env = (const char *)gd->env_addr;
+
+ for (i = 0; env[i] != '\0'; i = nxt + 1) {
int val, n;
- for (nxt = i; (c = env_get_char(nxt)) != '\0'; ++nxt) {
- if (c < 0)
- return c;
+ for (nxt = i; env[nxt] != '\0'; ++nxt)
if (nxt >= CONFIG_ENV_SIZE)
return -1;
- }
- val = env_match((uchar *)name, i);
+ val = env_match(env, name, i);
if (val < 0)
continue;
/* found; copy out */
for (n = 0; n < len; ++n, ++buf) {
- c = env_get_char(val++);
- if (c < 0)
- return c;
- *buf = c;
+ *buf = env[val++];
if (*buf == '\0')
return n;
}
return drv;
}
-int env_get_char(int index)
-{
- if (gd->env_valid == ENV_INVALID)
- return default_environment[index];
- else
- return *(uchar *)(gd->env_addr + index);
-}
-
int env_load(void)
{
struct env_driver *drv;
static int env_nowhere_load(void)
{
/*
- * for SPL, set env_valid = ENV_INVALID is enough as env_get_char()
- * return the default env if env_get is used
- * and SPL don't used env_import to reduce its size
+ * For SPL, setting env_valid = ENV_INVALID is enough, as env_get()
+ * searches default_environment array in that case.
* For U-Boot proper, import the default environment to allow reload.
*/
if (!IS_ENABLED(CONFIG_SPL_BUILD))
void env_set_default(const char *s, int flags);
/**
- * env_get_char() - Get a character from the early environment
- *
- * This reads from the pre-relocation environment
- *
- * @index: Index of character to read (0 = first)
- * @return character read, or -ve on error
- */
-int env_get_char(int index);
-
-/**
* env_reloc() - Relocate the 'env' sub-commands
*
* This is used for those unfortunate archs with crappy toolchains