#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
extern void *nvram_read(void *dest, const long src, size_t count);
extern void nvram_write(long dest, const void *src, size_t count);
-env_t *env_ptr = NULL;
+env_t *env_ptr;
#else
env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
#endif
-char * env_name_spec = "NVRAM";
+char *env_name_spec = "NVRAM";
-extern uchar default_environment[];
+#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
+static char env_buf[CONFIG_ENV_SIZE];
+#endif
+#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
uchar env_get_char_spec(int index)
{
-#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
uchar c;
- nvram_read(&c, CONFIG_ENV_ADDR+index, 1);
+ nvram_read(&c, CONFIG_ENV_ADDR + index, 1);
return c;
-#else
- return *((uchar *)(gd->env_addr + index));
-#endif
}
+#endif
void env_relocate_spec(void)
{
- char buf[CONFIG_ENV_SIZE];
+ char *buf;
#if defined(CONFIG_SYS_NVRAM_ACCESS_ROUTINE)
+ buf = env_buf;
nvram_read(buf, CONFIG_ENV_ADDR, CONFIG_ENV_SIZE);
#else
- memcpy(buf, (void*)CONFIG_ENV_ADDR, CONFIG_ENV_SIZE);
+ buf = (void *)CONFIG_ENV_ADDR;
#endif
env_import(buf, 1);
}
int saveenv(void)
{
- env_t env_new;
+#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
+ env_t *env_new = (env_t *)env_buf;
+#else
+ env_t *env_new = (env_t *)CONFIG_ENV_ADDR;
+#endif
ssize_t len;
char *res;
int rcode = 0;
- res = (char *)&env_new.data;
- len = hexport('\0', &res, ENV_SIZE);
+ 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;
}
- env_new.crc = crc32(0, env_new.data, ENV_SIZE);
+ env_new->crc = crc32(0, env_new->data, ENV_SIZE);
#ifdef CONFIG_SYS_NVRAM_ACCESS_ROUTINE
- nvram_write(CONFIG_ENV_ADDR, &env_new, CONFIG_ENV_SIZE);
-#else
- if (memcpy((char *)CONFIG_ENV_ADDR, &env_new, CONFIG_ENV_SIZE) == NULL)
- rcode = 1;
+ nvram_write(CONFIG_ENV_ADDR, env_new, CONFIG_ENV_SIZE);
#endif
return rcode;
}
-
/*
* Initialize Environment use
*
{
#if defined(CONFIG_SYS_NVRAM_ACCESS_ROUTINE)
ulong crc;
- uchar data[ENV_SIZE];
+ uchar *data = env_buf;
nvram_read(&crc, CONFIG_ENV_ADDR, sizeof(ulong));
- nvram_read(data, CONFIG_ENV_ADDR+sizeof(ulong), ENV_SIZE);
+ nvram_read(data, CONFIG_ENV_ADDR + sizeof(ulong), ENV_SIZE);
if (crc32(0, data, ENV_SIZE) == crc) {
- gd->env_addr = (ulong)CONFIG_ENV_ADDR + sizeof(long);
+ gd->env_addr = (ulong)CONFIG_ENV_ADDR + sizeof(long);
#else
if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
- gd->env_addr = (ulong)&(env_ptr->data);
+ gd->env_addr = (ulong)&env_ptr->data;
#endif
- gd->env_valid = 1;
+ gd->env_valid = 1;
} else {
- gd->env_addr = (ulong)&default_environment[0];
- gd->env_valid = 0;
+ gd->env_addr = (ulong)&default_environment[0];
+ gd->env_valid = 0;
}
- return (0);
+
+ return 0;
}