00001 /* 00002 * Copyright (C) 2005 Martin Decky 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 00009 * - Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * - Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * - The name of the author may not be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00018 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00019 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 00020 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 00021 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00022 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00023 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00024 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00025 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00026 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 */ 00028 00035 #ifndef __OFW_H__ 00036 #define __OFW_H__ 00037 00038 #include <arch/types.h> 00039 00040 #define MAX_OFW_ARGS 10 00041 00042 typedef __native ofw_arg_t; 00043 typedef int ihandle; 00044 typedef int phandle; 00045 00049 typedef struct { 00050 const char *service; 00051 __native nargs; 00052 __native nret; 00053 ofw_arg_t args[MAX_OFW_ARGS]; 00054 } ofw_args_t; 00055 00056 typedef void (*ofw_entry)(ofw_args_t *); 00057 00058 extern ofw_entry ofw; 00059 00060 extern void ofw_init(void); 00061 extern void ofw_done(void); 00062 extern __native ofw_call(const char *service, const int nargs, const int nret, ...); 00063 extern void ofw_putchar(const char ch); 00064 extern char ofw_getchar(void); 00065 extern phandle ofw_find_device(const char *name); 00066 extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); 00067 extern void *ofw_claim(const void *addr, const int size, const int align); 00068 00069 #endif 00070