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/* This file is part of the program psim. Copyright (C) 1994-1996, 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 _TREE_H_ #define _TREE_H_ #ifndef INLINE_TREE #define INLINE_TREE #endif /* Constructing the device tree: The initial device tree populated with devices and basic properties is created using the function <<device_tree_add_parsed()>>. This function parses a PSIM device specification and uses it to populate the tree accordingly. This function accepts a printf style formatted string as the argument that describes the entry. Any properties or interrupt connections added to a device tree using this function are marked as having a permenant disposition. When the tree is (re) initialized they will be restored to their initial value. */ EXTERN_TREE\ (char*) tree_quote_property (const char *property_value); EXTERN_TREE\ (device *) tree_parse (device *root, const char *fmt, ...) __attribute__ ((format (printf, 2, 3))); INLINE_TREE\ (void) tree_usage (int verbose); INLINE_TREE\ (void) tree_print (device *root); INLINE_TREE\ (device_instance*) tree_instance (device *root, const char *device_specifier); /* Tree traversal:: The entire device tree can be traversed using the <<device_tree_traverse()>> function. The traversal can be in either pre- or postfix order. */ typedef void (tree_traverse_function) (device *device, void *data); INLINE_DEVICE\ (void) tree_traverse (device *root, tree_traverse_function *prefix, tree_traverse_function *postfix, void *data); /* Tree lookup:: The function <<tree_find_device()>> will attempt to locate the specified device within the tree. If the device is not found a NULL device is returned. */ INLINE_TREE\ (device *) tree_find_device (device *root, const char *path); INLINE_TREE\ (const device_property *) tree_find_property (device *root, const char *path_to_property); INLINE_TREE\ (int) tree_find_boolean_property (device *root, const char *path_to_property); INLINE_TREE\ (signed_cell) tree_find_integer_property (device *root, const char *path_to_property); INLINE_TREE\ (device_instance *) tree_find_ihandle_property (device *root, const char *path_to_property); INLINE_TREE\ (const char *) tree_find_string_property (device *root, const char *path_to_property); /* Initializing the created tree: Once a device tree has been created the <<device_tree_init()>> function is used to initialize it. The exact sequence of events that occure during initialization are described separatly. */ INLINE_TREE\ (void) tree_init (device *root, psim *system); #endif /* _TREE_H_ */