DECLARE_GLOBAL_DATA_PTR;
-extern env_t *env_ptr;
-
-extern void env_relocate_spec (void);
-extern uchar env_get_char_spec(int);
-
-static uchar env_get_char_init (int index);
-
/************************************************************************
* Default settings to be used when no valid environment is found
*/
#ifdef CONFIG_ETH5ADDR
"eth5addr=" MK_STR(CONFIG_ETH5ADDR) "\0"
#endif
+#ifdef CONFIG_ETHPRIME
+ "ethprime=" CONFIG_ETHPRIME "\0"
+#endif
#ifdef CONFIG_IPADDR
"ipaddr=" MK_STR(CONFIG_IPADDR) "\0"
#endif
"serverip=" MK_STR(CONFIG_SERVERIP) "\0"
#endif
#ifdef CONFIG_SYS_AUTOLOAD
- "autoload=" CONFIG_SYS_AUTOLOAD "\0"
+ "autoload=" CONFIG_SYS_AUTOLOAD "\0"
#endif
#ifdef CONFIG_PREBOOT
"preboot=" CONFIG_PREBOOT "\0"
#endif
#ifdef CONFIG_ROOTPATH
- "rootpath=" MK_STR(CONFIG_ROOTPATH) "\0"
+ "rootpath=" CONFIG_ROOTPATH "\0"
#endif
#ifdef CONFIG_GATEWAYIP
"gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0"
"hostname=" MK_STR(CONFIG_HOSTNAME) "\0"
#endif
#ifdef CONFIG_BOOTFILE
- "bootfile=" MK_STR(CONFIG_BOOTFILE) "\0"
+ "bootfile=" CONFIG_BOOTFILE "\0"
#endif
#ifdef CONFIG_LOADADDR
"loadaddr=" MK_STR(CONFIG_LOADADDR) "\0"
#endif
-#ifdef CONFIG_CLOCKS_IN_MHZ
+#ifdef CONFIG_CLOCKS_IN_MHZ
"clocks_in_mhz=1\0"
#endif
#if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
"pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0"
#endif
-#ifdef CONFIG_EXTRA_ENV_SETTINGS
+#ifdef CONFIG_ENV_VARS_UBOOT_CONFIG
+ "arch=" CONFIG_SYS_ARCH "\0"
+ "cpu=" CONFIG_SYS_CPU "\0"
+ "board=" CONFIG_SYS_BOARD "\0"
+#ifdef CONFIG_SYS_VENDOR
+ "vendor=" CONFIG_SYS_VENDOR "\0"
+#endif
+#ifdef CONFIG_SYS_SOC
+ "soc=" CONFIG_SYS_SOC "\0"
+#endif
+#endif
+#ifdef CONFIG_EXTRA_ENV_SETTINGS
CONFIG_EXTRA_ENV_SETTINGS
#endif
"\0"
};
-struct hsearch_data env_htab;
+struct hsearch_data env_htab = {
+ .apply = env_check_apply,
+};
-static uchar env_get_char_init (int index)
+static uchar __env_get_char_spec(int index)
{
- uchar c;
+ return *((uchar *)(gd->env_addr + index));
+}
+uchar env_get_char_spec(int)
+ __attribute__((weak, alias("__env_get_char_spec")));
+static uchar env_get_char_init(int index)
+{
/* if crc was bad, use the default environment */
if (gd->env_valid)
- c = env_get_char_spec(index);
+ return env_get_char_spec(index);
else
- c = default_environment[index];
-
- return (c);
+ return default_environment[index];
}
-uchar env_get_char_memory (int index)
+uchar env_get_char_memory(int index)
{
return *env_get_addr(index);
}
-uchar env_get_char (int index)
+uchar env_get_char(int index)
{
- uchar c;
-
/* if relocated to RAM */
if (gd->flags & GD_FLG_RELOC)
- c = env_get_char_memory(index);
+ return env_get_char_memory(index);
else
- c = env_get_char_init(index);
-
- return (c);
+ return env_get_char_init(index);
}
-const uchar *env_get_addr (int index)
+const uchar *env_get_addr(int index)
{
if (gd->env_valid)
return (uchar *)(gd->env_addr + index);
void set_default_env(const char *s)
{
+ /*
+ * By default, do not apply changes as they will eventually
+ * be applied by someone else
+ */
+ int do_apply = 0;
if (sizeof(default_environment) > ENV_SIZE) {
puts("*** Error - default environment is too large\n\n");
return;
if (*s == '!') {
printf("*** Warning - %s, "
"using default environment\n\n",
- s+1);
+ s + 1);
} else {
+ /*
+ * This set_to_default was explicitly asked for
+ * by the user, as opposed to being a recovery
+ * mechanism. Therefore we check every single
+ * variable and apply changes to the system
+ * right away (e.g. baudrate, console).
+ */
+ do_apply = 1;
puts(s);
}
} else {
}
if (himport_r(&env_htab, (char *)default_environment,
- sizeof(default_environment), '\0', 0) == 0) {
+ sizeof(default_environment), '\0', 0,
+ 0, NULL, do_apply) == 0)
error("Environment import failed: errno = %d\n", errno);
- }
+
gd->flags |= GD_FLG_ENV_READY;
}
+
+/* [re]set individual variables to their value in the default environment */
+int set_default_vars(int nvars, char * const vars[])
+{
+ /*
+ * Special use-case: import from default environment
+ * (and use \0 as a separator)
+ */
+ return himport_r(&env_htab, (const char *)default_environment,
+ sizeof(default_environment), '\0', H_NOCLEAR,
+ nvars, vars, 1 /* do_apply */);
+}
+
+#ifndef CONFIG_SPL_BUILD
/*
* Check if CRC is valid and (if yes) import the environment.
* Note that "buf" may or may not be aligned.
}
}
- if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0)) {
+ if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0,
+ 0, NULL, 0 /* do_apply */)) {
gd->flags |= GD_FLG_ENV_READY;
return 1;
}
return 0;
}
+#endif
-void env_relocate (void)
+void env_relocate(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
- extern void env_reloc(void);
-
env_reloc();
#endif
if (gd->env_valid == 0) {
-#if defined(CONFIG_ENV_IS_NOWHERE) /* Environment not changable */
+#if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)
+ /* Environment not changable */
set_default_env(NULL);
#else
- show_boot_progress (-60);
+ bootstage_error(BOOTSTAGE_ID_NET_CHECKSUM);
set_default_env("!bad CRC");
#endif
} else {
- env_relocate_spec ();
+ env_relocate_spec();
}
}
-#ifdef CONFIG_AUTO_COMPLETE
+#if defined(CONFIG_AUTO_COMPLETE) && !defined(CONFIG_SPL_BUILD)
int env_complete(char *var, int maxv, char *cmdv[], int bufsz, char *buf)
{
ENTRY *match;
if (idx)
cmdv[found++] = "...";
+
cmdv[found] = NULL;
return found;
}
projects / platform / kernel / u-boot.git / blobdiff