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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