ppc: Move mirror_hack to arch_global_data

[u-boot] / common / env_common.c

diff --git a/common/env_common.c b/common/env_common.c
index f22f5b968efaeb525948e8d316f3a93c8b90b585..906b41fccada86dc41d58d23ad42f74e7d5476b2 100644 (file)
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -40,7 +40,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #include <env_default.h>
 
 struct hsearch_data env_htab = {
-       .apply = env_check_apply,
+       .change_ok = env_flags_validate,
 };
 
 static uchar __env_get_char_spec(int index)
@@ -81,6 +81,38 @@ const uchar *env_get_addr(int index)
                return &default_environment[index];
 }
 
+/*
+ * Read an environment variable as a boolean
+ * Return -1 if variable does not exist (default to true)
+ */
+int getenv_yesno(const char *var)
+{
+       char *s = getenv(var);
+
+       if (s == NULL)
+               return -1;
+       return (*s == '1' || *s == 'y' || *s == 'Y' || *s == 't' || *s == 'T') ?
+               1 : 0;
+}
+
+/*
+ * Look up the variable from the default environment
+ */
+char *getenv_default(const char *name)
+{
+       char *ret_val;
+       unsigned long really_valid = gd->env_valid;
+       unsigned long real_gd_flags = gd->flags;
+
+       /* Pretend that the image is bad. */
+       gd->flags &= ~GD_FLG_ENV_READY;
+       gd->env_valid = 0;
+       ret_val = getenv(name);
+       gd->env_valid = really_valid;
+       gd->flags = real_gd_flags;
+       return ret_val;
+}
+
 void set_default_env(const char *s)
 {
        int flags = 0;
@@ -162,6 +194,7 @@ void env_relocate(void)
 {
 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
        env_reloc();
+       env_htab.change_ok += gd->reloc_off;
 #endif
        if (gd->env_valid == 0) {
 #if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)