gnu/dist/gdb6/sim/common/hw-tree.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002 Free Software Foundation, Inc.
   4
   5    Contributed by Andrew Cagney and Red Hat.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330,
  22    Boston, MA 02111-1307, USA.  */
  23
  24
  25 #ifndef HW_TREE
  26 #define HW_TREE
  27
  28
  29 struct hw *hw_tree_create
  30 (SIM_DESC sd,
  31  const char *device);
  32
  33 void hw_tree_delete
  34 (struct hw *root);
  35
  36 struct hw *hw_tree_parse
  37 (struct hw *root,
  38  const char *fmt,
  39  ...) __attribute__ ((format (printf, 2, 3)));
  40
  41 struct hw *hw_tree_vparse
  42 (struct hw *root,
  43  const char *fmt,
  44  va_list ap);
  45
  46
  47 void hw_tree_finish
  48 (struct hw *root);
  49
  50 typedef void (hw_tree_print_callback)
  51      (void *,
  52       const char *fmt,
  53       ...);
  54
  55 void hw_tree_print
  56 (struct hw *root,
  57  hw_tree_print_callback *print,
  58  void *file);
  59
  60
  61 /* Tree traversal::
  62
  63    The entire device tree can be traversed using the
  64    <<device_tree_traverse()>> function.  The traversal can be in
  65    either prefix or postfix order.
  66
  67    */
  68
  69 typedef void (hw_tree_traverse_function)
  70      (struct hw *device,
  71       void *data);
  72
  73 void hw_tree_traverse
  74 (struct hw *root,
  75  hw_tree_traverse_function *prefix,
  76  hw_tree_traverse_function *postfix,
  77  void *data);
  78
  79
  80 /* Tree lookup::
  81
  82    The function <<hw_tree_find_device()>> will attempt to locate the
  83    specified device within the tree.  If the device is not found a
  84    NULL device is returned.
  85
  86    */
  87
  88 struct hw * hw_tree_find_device
  89 (struct hw *root,
  90  const char *path);
  91
  92
  93 const struct hw_property *hw_tree_find_property
  94 (struct hw *root,
  95  const char *path_to_property);
  96
  97 int hw_tree_find_boolean_property
  98 (struct hw *root,
  99  const char *path_to_property);
 100
 101 signed_cell hw_tree_find_integer_property
 102 (struct hw *root,
 103  const char *path_to_property);
 104
 105 #if NOT_YET
 106 device_instance *hw_tree_find_ihandle_property
 107 (struct hw *root,
 108  const char *path_to_property);
 109 #endif
 110
 111 const char *hw_tree_find_string_property
 112 (struct hw *root,
 113  const char *path_to_property);
 114
 115
 116 /* Perform a soft reset on the created tree. */
 117
 118 void hw_tree_reset
 119 (struct hw *root);
 120
 121
 122 #endif