84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef OPEN_FIRMWARE_H
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#define OPEN_FIRMWARE_H
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#include <SupportDefs.h>
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#define OF_FAILED (-1)
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/* global device tree/properties access */
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extern int gChosen;
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struct of_arguments {
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const char *name;
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int num_args;
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int num_returns;
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int data[0];
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#ifdef __cplusplus
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int &Argument(int index) { return data[index]; }
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int &ReturnValue(int index) { return data[num_args + index]; }
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#endif
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};
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struct of_region {
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void *base;
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uint32 size;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern status_t of_init(int (*openFirmwareEntry)(void *));
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/* device tree functions */
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extern int of_finddevice(const char *device);
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extern int of_child(int node);
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extern int of_peer(int node);
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extern int of_parent(int node);
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extern int of_instance_to_path(int instance, char *pathBuffer, int bufferSize);
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extern int of_instance_to_package(int instance);
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extern int of_getprop(int package, const char *property, void *buffer,
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int bufferSize);
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extern int of_setprop(int package, const char *property, const void *buffer,
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int bufferSize);
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extern int of_nextprop(int package, const char *previousProperty,
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char *nextProperty);
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extern int of_getproplen(int package, const char *property);
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extern int of_package_to_path(int package, char *pathBuffer, int bufferSize);
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/* I/O functions */
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extern int of_open(const char *nodeName);
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extern void of_close(int handle);
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extern int of_read(int handle, void *buffer, int bufferSize);
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extern int of_write(int handle, const void *buffer, int bufferSize);
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extern int of_seek(int handle, off_t pos);
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/* memory functions */
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extern int of_release(void *virtualAddress, int size);
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extern void *of_claim(void *virtualAddress, int size, int align);
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/* misc functions */
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extern int of_call_client_function(const char *method, int numArgs,
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int numReturns, ...);
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extern int of_interpret(const char *command, int numArgs, int numReturns, ...);
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extern int of_call_method(int handle, const char *method, int numArgs,
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int numReturns, ...);
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extern int of_test(const char *service);
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extern int of_milliseconds(void);
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extern void of_exit(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OPEN_FIRMWARE_H */
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