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