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186 decky 1
/*
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 * Copyright (C) 2005 Martin Decky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 /** @addtogroup genarch   
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 * @{
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 */
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/** @file
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 */
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#ifndef __OFW_H__
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#define __OFW_H__
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#include <arch/types.h>
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#define MAX_OFW_ARGS    10
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typedef unative_t ofw_arg_t;
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typedef int ihandle;
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typedef int phandle;
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/** OpenFirmware command structure
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 *
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 */
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typedef struct {
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    const char *service;          /**< Command name */
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    unative_t nargs;               /**< Number of in arguments */
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    unative_t nret;                /**< Number of out arguments */
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    ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */
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} ofw_args_t;
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typedef void (*ofw_entry)(ofw_args_t *);
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extern ofw_entry ofw;
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extern void ofw_init(void);
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extern void ofw_done(void);
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extern unative_t ofw_call(const char *service, const int nargs, const int nret, ...);
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extern void ofw_putchar(const char ch);
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extern char ofw_getchar(void);
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extern phandle ofw_find_device(const char *name);
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extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen);
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extern void *ofw_claim(const void *addr, const int size, const int align);
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#endif
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 /** @}
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 */
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