sim/common/hw-tree.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2023 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 3 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, see <http://www.gnu.org/licenses/>.  */
  21
  22
  23 #ifndef HW_TREE
  24 #define HW_TREE
  25
  26 #include <stdarg.h>
  27
  28 #include "ansidecl.h"
  29
  30 struct hw *hw_tree_create
  31 (SIM_DESC sd,
  32  const char *device);
  33
  34 void hw_tree_delete
  35 (struct hw *root);
  36
  37 struct hw *hw_tree_parse
  38 (struct hw *root,
  39  const char *fmt,
  40  ...) ATTRIBUTE_PRINTF (2, 3);
  41
  42 struct hw *hw_tree_vparse
  43 (struct hw *root,
  44  const char *fmt,
  45  va_list ap) ATTRIBUTE_PRINTF (2, 0);
  46
  47
  48 void hw_tree_finish
  49 (struct hw *root);
  50
  51 typedef void (hw_tree_print_callback)
  52      (void *,
  53       const char *fmt,
  54       ...);
  55
  56 void hw_tree_print
  57 (struct hw *root,
  58  hw_tree_print_callback *print,
  59  void *file);
  60
  61
  62 /* Tree traversal::
  63
  64    The entire device tree can be traversed using the
  65    <<device_tree_traverse()>> function.  The traversal can be in
  66    either prefix or postfix order.
  67
  68    */
  69
  70 typedef void (hw_tree_traverse_function)
  71      (struct hw *device,
  72       void *data);
  73
  74 void hw_tree_traverse
  75 (struct hw *root,
  76  hw_tree_traverse_function *prefix,
  77  hw_tree_traverse_function *postfix,
  78  void *data);
  79
  80
  81 /* Tree lookup::
  82
  83    The function <<hw_tree_find_device()>> will attempt to locate the
  84    specified device within the tree.  If the device is not found a
  85    NULL device is returned.
  86
  87    */
  88
  89 struct hw * hw_tree_find_device
  90 (struct hw *root,
  91  const char *path);
  92
  93
  94 const struct hw_property *hw_tree_find_property
  95 (struct hw *root,
  96  const char *path_to_property);
  97
  98 int hw_tree_find_boolean_property
  99 (struct hw *root,
 100  const char *path_to_property);
 101
 102 signed_cell hw_tree_find_integer_property
 103 (struct hw *root,
 104  const char *path_to_property);
 105
 106 #if NOT_YET
 107 device_instance *hw_tree_find_ihandle_property
 108 (struct hw *root,
 109  const char *path_to_property);
 110 #endif
 111
 112 const char *hw_tree_find_string_property
 113 (struct hw *root,
 114  const char *path_to_property);
 115
 116
 117 /* Perform a soft reset on the created tree. */
 118
 119 void hw_tree_reset
 120 (struct hw *root);
 121
 122
 123 #endif