65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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/*
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* Copyright (C) 2008-2015 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#ifndef _BOOTX_DEVICE_TREE_H_
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#define _BOOTX_DEVICE_TREE_H_
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#include <stdint.h>
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#include <sys.h>
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#include <sys/types.h>
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__BEGIN_DECLS
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#define kPropNameLength (32)
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#define kPropValueMaxLength (0x100000)
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typedef struct DTProperty DTProperty, *DTPropertyPtr;
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int dt_load(void);
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int dt_load_file(const char *path);
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extern addr_t gDeviceTreeAddr;
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extern size_t gDeviceTreeSize;
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typedef struct dtnode dt_node_t;
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void dt_init(void);
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dt_node_t *dt_deserialize(void *dtaddr, size_t dtlength);
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void dt_serialize(dt_node_t *dt, void *buffer, size_t bufferlen);
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size_t dt_get_size(void);
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dt_node_t *dt_get_root(void);
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bool dt_find_node(dt_node_t *root, const char *path, dt_node_t **node);
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const char *dt_get_node_name(dt_node_t *node);
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bool dt_get_prop(dt_node_t *node, char **prop_name, void **prop_data, uint32_t *prop_size);
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bool dt_find_prop(dt_node_t *node, const char *prop_name, void **prop_data, uint32_t *prop_size);
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bool dt_has_prop(dt_node_t *node, const char *prop_name);
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void dt_set_prop(dt_node_t *node, const char *name, const void *data, uint32_t size);
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void dt_set_prop_32(dt_node_t *node, const char *name, uint32_t value);
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void dt_set_prop_64(dt_node_t *node, const char *name, uint64_t value);
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void dt_set_prop_addr(dt_node_t *node, const char *name, uintptr_t value);
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void dt_set_prop_str(dt_node_t *node, const char *name, const char *str);
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bool dt_remove_prop(dt_node_t *node, const char *name);
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bool dt_rename_prop(dt_node_t *node, const char *name, const char *new_name);
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void dt_seal(void);
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int dt_num_children(dt_node_t *node);
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dt_node_t *dt_get_child(dt_node_t *node, int n);
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dt_node_t *dt_get_next(dt_node_t *node);
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// compatibility with legacy code
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typedef dt_node_t DTNode;
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typedef dt_node_t * DTNodePtr;
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#define FindNode dt_find_node
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#define FindProperty dt_get_prop
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__END_DECLS
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#endif /* ! _BOOTX_DEVICE_TREE_H_ */
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