/************************************************************************
* Default settings to be used when no valid environment is found
*/
-#define XMK_STR(x) #x
-#define MK_STR(x) XMK_STR(x)
const uchar default_environment[] = {
#ifdef CONFIG_BOOTARGS
"nfsboot=" CONFIG_NFSBOOTCOMMAND "\0"
#endif
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
- "bootdelay=" MK_STR(CONFIG_BOOTDELAY) "\0"
+ "bootdelay=" __stringify(CONFIG_BOOTDELAY) "\0"
#endif
#if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0)
- "baudrate=" MK_STR(CONFIG_BAUDRATE) "\0"
+ "baudrate=" __stringify(CONFIG_BAUDRATE) "\0"
#endif
#ifdef CONFIG_LOADS_ECHO
- "loads_echo=" MK_STR(CONFIG_LOADS_ECHO) "\0"
+ "loads_echo=" __stringify(CONFIG_LOADS_ECHO) "\0"
#endif
#ifdef CONFIG_ETHADDR
- "ethaddr=" MK_STR(CONFIG_ETHADDR) "\0"
+ "ethaddr=" __stringify(CONFIG_ETHADDR) "\0"
#endif
#ifdef CONFIG_ETH1ADDR
- "eth1addr=" MK_STR(CONFIG_ETH1ADDR) "\0"
+ "eth1addr=" __stringify(CONFIG_ETH1ADDR) "\0"
#endif
#ifdef CONFIG_ETH2ADDR
- "eth2addr=" MK_STR(CONFIG_ETH2ADDR) "\0"
+ "eth2addr=" __stringify(CONFIG_ETH2ADDR) "\0"
#endif
#ifdef CONFIG_ETH3ADDR
- "eth3addr=" MK_STR(CONFIG_ETH3ADDR) "\0"
+ "eth3addr=" __stringify(CONFIG_ETH3ADDR) "\0"
#endif
#ifdef CONFIG_ETH4ADDR
- "eth4addr=" MK_STR(CONFIG_ETH4ADDR) "\0"
+ "eth4addr=" __stringify(CONFIG_ETH4ADDR) "\0"
#endif
#ifdef CONFIG_ETH5ADDR
- "eth5addr=" MK_STR(CONFIG_ETH5ADDR) "\0"
+ "eth5addr=" __stringify(CONFIG_ETH5ADDR) "\0"
#endif
#ifdef CONFIG_ETHPRIME
"ethprime=" CONFIG_ETHPRIME "\0"
#endif
#ifdef CONFIG_IPADDR
- "ipaddr=" MK_STR(CONFIG_IPADDR) "\0"
+ "ipaddr=" __stringify(CONFIG_IPADDR) "\0"
#endif
#ifdef CONFIG_SERVERIP
- "serverip=" MK_STR(CONFIG_SERVERIP) "\0"
+ "serverip=" __stringify(CONFIG_SERVERIP) "\0"
#endif
#ifdef CONFIG_SYS_AUTOLOAD
"autoload=" CONFIG_SYS_AUTOLOAD "\0"
"rootpath=" CONFIG_ROOTPATH "\0"
#endif
#ifdef CONFIG_GATEWAYIP
- "gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0"
+ "gatewayip=" __stringify(CONFIG_GATEWAYIP) "\0"
#endif
#ifdef CONFIG_NETMASK
- "netmask=" MK_STR(CONFIG_NETMASK) "\0"
+ "netmask=" __stringify(CONFIG_NETMASK) "\0"
#endif
#ifdef CONFIG_HOSTNAME
- "hostname=" MK_STR(CONFIG_HOSTNAME) "\0"
+ "hostname=" __stringify(CONFIG_HOSTNAME) "\0"
#endif
#ifdef CONFIG_BOOTFILE
"bootfile=" CONFIG_BOOTFILE "\0"
#endif
#ifdef CONFIG_LOADADDR
- "loadaddr=" MK_STR(CONFIG_LOADADDR) "\0"
+ "loadaddr=" __stringify(CONFIG_LOADADDR) "\0"
#endif
#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"
+ "pcidelay=" __stringify(CONFIG_PCI_BOOTDELAY)"\0"
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_CONFIG
"arch=" CONFIG_SYS_ARCH "\0"
"\0"
};
-struct hsearch_data env_htab;
+struct hsearch_data env_htab = {
+ .apply = env_check_apply,
+};
static uchar __env_get_char_spec(int 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;
"using default environment\n\n",
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)
{
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
bootstage_error(BOOTSTAGE_ID_NET_CHECKSUM);
}
}
-#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;