openbios/openboot/tools/promif/common/prom_boot.c

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• Hash : 1a08f436
  Author :
  Date : 2010-08-25T09:23:17
  

  change to well-formed svn directory structure. git-svn-id: svn://coreboot.org/openboot/trunk@2 4486e004-3823-0410-90c7-fb508cc143bb

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• tools/promif/common/prom_boot.c

• /*
  * ========== Copyright Header Begin ==========================================
  *
  * Hypervisor Software File: prom_boot.c
  * 
  * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
  * 
  *  - Do no alter or remove copyright notices
  * 
  *  - Redistribution and use of this software in source and binary forms, with 
  *    or without modification, are permitted provided that the following 
  *    conditions are met: 
  * 
  *  - Redistribution of source code must retain the above copyright notice, 
  *    this list of conditions and the following disclaimer.
  * 
  *  - Redistribution in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution. 
  * 
  *    Neither the name of Sun Microsystems, Inc. or the names of contributors 
  * may be used to endorse or promote products derived from this software 
  * without specific prior written permission. 
  * 
  *     This software is provided "AS IS," without a warranty of any kind. 
  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 
  * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
  * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN 
  * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR 
  * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR 
  * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN 
  * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR 
  * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE 
  * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, 
  * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF 
  * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  * 
  * You acknowledge that this software is not designed, licensed or
  * intended for use in the design, construction, operation or maintenance of
  * any nuclear facility. 
  * 
  * ========== Copyright Header End ============================================
  */
  /*
   * Copyright (c) 2000-2003 Sun Microsystems, Inc.
   * All rights reserved.
   * Use is subject to license terms.
   */
  
  #pragma ident	"@(#)prom_boot.c	1.1	00/07/22 SMI"
  
  #include <sys/promif.h>
  #include <sys/promimpl.h>
  
  char *
  prom_bootargs(void)
  {
  	int32_t length;
  	dnode_t node;
  	static char *name = "bootargs";
  	static char bootargs[OBP_MAXPATHLEN];
  
  	if (bootargs[0] != (char)0)
  		return (bootargs);
  
  	node = prom_chosennode();
  	length = prom_getproplen(node, name);
  
  	if ((length == -1) || (length == 0))
  		return (NULL);
  
  	if (length > OBP_MAXPATHLEN)
  		length = OBP_MAXPATHLEN - 1;	/* Null terminator */
  
  	(void) prom_bounded_getprop(node, name, bootargs, length);
  
  	return (bootargs);
  }
  
  char *
  prom_bootpath(void)
  {
  	static char bootpath[OBP_MAXPATHLEN];
  	int32_t length;
  	dnode_t node;
  	static char *name = "bootpath";
  
  	if (bootpath[0] != (char)0)
  		return (bootpath);
  
  	node = prom_chosennode();
  	length = prom_getproplen(node, name);
  
  	if ((length == -1) || (length == 0))
  		return (NULL);
  
  	if (length > OBP_MAXPATHLEN)
  		length = OBP_MAXPATHLEN - 1;	/* Null terminator */
  
  	(void) prom_bounded_getprop(node, name, bootpath, length);
  
  	return (bootpath);
  }
  

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