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[/] [or1k/] [branches/] [oc/] [gdb-5.0/] [sim/] [common/] [hw-tree.h] - Rev 1771

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/*  This file is part of the program psim.
 
    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
 
    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.
 
    */
 
 
#ifndef HW_TREE
#define HW_TREE
 
 
struct hw *hw_tree_create
(SIM_DESC sd,
 const char *device);
 
void hw_tree_delete
(struct hw *root);
 
struct hw *hw_tree_parse
(struct hw *root,
 const char *fmt,
 ...) __attribute__ ((format (printf, 2, 3)));
 
struct hw *hw_tree_vparse
(struct hw *root,
 const char *fmt,
 va_list ap);
 
 
void hw_tree_finish
(struct hw *root);
 
typedef void (hw_tree_print_callback)
     (void *,
      const char *fmt,
      ...);
 
void hw_tree_print
(struct hw *root,
 hw_tree_print_callback *print,
 void *file);
 
 
/* Tree traversal::
 
   The entire device tree can be traversed using the
   <<device_tree_traverse()>> function.  The traversal can be in
   either prefix or postfix order.
 
   */
 
typedef void (hw_tree_traverse_function)
     (struct hw *device,
      void *data);
 
void hw_tree_traverse
(struct hw *root,
 hw_tree_traverse_function *prefix,
 hw_tree_traverse_function *postfix,
 void *data);
 
 
/* Tree lookup::
 
   The function <<hw_tree_find_device()>> will attempt to locate the
   specified device within the tree.  If the device is not found a
   NULL device is returned.
 
   */
 
struct hw * hw_tree_find_device
(struct hw *root,
 const char *path);
 
 
const struct hw_property *hw_tree_find_property
(struct hw *root,
 const char *path_to_property);
 
int hw_tree_find_boolean_property
(struct hw *root,
 const char *path_to_property);
 
signed_cell hw_tree_find_integer_property
(struct hw *root,
 const char *path_to_property);
 
#if NOT_YET
device_instance *hw_tree_find_ihandle_property
(struct hw *root,
 const char *path_to_property);
#endif
 
const char *hw_tree_find_string_property
(struct hw *root,
 const char *path_to_property);
 
 
/* Perform a soft reset on the created tree. */
 
void hw_tree_reset
(struct hw *root);
 
 
#endif
 

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