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authorwdenk <wdenk>2002-09-18 11:09:59 +0000
committerwdenk <wdenk>2002-09-18 11:09:59 +0000
commit0bc4a1ac8198c46355b984cd91c749da2753baa4 (patch)
tree69414339786618d02460343eb6e45fedc2377f3a /common/env_nowhere.c
parentab255f26f96519e44b295d7b0f4883a03c5cbfc8 (diff)
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Initial revision
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diff --git a/common/env_nowhere.c b/common/env_nowhere.c
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+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Andreas Heppel <aheppel@sysgo.de>
+
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#if defined(CFG_ENV_IS_NOWHERE) /* Environment is nowhere */
+
+#include <command.h>
+#include <environment.h>
+#include <linux/stddef.h>
+#include <malloc.h>
+
+env_t *env_ptr = NULL;
+
+extern uchar default_environment[];
+extern int default_environment_size;
+
+
+void env_relocate_spec (void)
+{
+}
+
+uchar env_get_char_spec (int index)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ return ( *((uchar *)(gd->env_addr + index)) );
+}
+
+/************************************************************************
+ * Initialize Environment use
+ *
+ * We are still running from ROM, so data use is limited
+ */
+int env_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->env_addr = (ulong)&default_environment[0];
+ gd->env_valid = 0;
+
+ return (0);
+}
+
+#endif /* CFG_ENV_IS_NOWHERE) */