freebsd-dev/sys/boot/ofw/libofw/openfirm.h
Andreas Tobler da068879c5 Check the real-mode? OF property to find out whether we operate in real or
virtual mode. In virtual mode we have to do memory mapping. On PowerMacs it is
usually false while on pSeries we have found that it is true. The real-mode?
property is not available on sparc64.

Approved by: 	nwhitehorn (mentor)
2010-11-17 19:35:56 +00:00

122 lines
4.7 KiB
C

/* $NetBSD: openfirm.h,v 1.1 1998/05/15 10:16:00 tsubai Exp $ */
/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
*/
/*-
* Copyright (C) 2000 Benno Rice.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``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 TOOLS GMBH 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.
*
* $FreeBSD$
*/
#ifndef _OPENFIRM_H_
#define _OPENFIRM_H_
/*
* Prototypes for Open Firmware Interface Routines
*/
#include <sys/cdefs.h>
#include <sys/types.h>
typedef unsigned int ihandle_t;
typedef unsigned int phandle_t;
typedef unsigned long int cell_t;
extern int (*openfirmware)(void *);
extern phandle_t chosen;
extern ihandle_t memory, mmu;
extern int real_mode;
/*
* This isn't actually an Open Firmware function, but it seemed like the right
* place for it to go.
*/
void OF_init(int (*openfirm)(void *));
/* Generic functions */
int OF_test(char *);
/* Device tree functions */
phandle_t OF_peer(phandle_t);
phandle_t OF_child(phandle_t);
phandle_t OF_parent(phandle_t);
phandle_t OF_instance_to_package(ihandle_t);
int OF_getproplen(phandle_t, char *);
int OF_getprop(phandle_t, char *, void *, int);
int OF_nextprop(phandle_t, char *, char *);
int OF_setprop(phandle_t, char *, void *, int);
int OF_canon(const char *, char *, int);
phandle_t OF_finddevice(const char *);
int OF_instance_to_path(ihandle_t, char *, int);
int OF_package_to_path(phandle_t, char *, int);
int OF_call_method(char *, ihandle_t, int, int, ...);
/* Device I/O functions */
ihandle_t OF_open(char *);
void OF_close(ihandle_t);
int OF_read(ihandle_t, void *, int);
int OF_write(ihandle_t, void *, int);
int OF_seek(ihandle_t, u_quad_t);
/* Memory functions */
void *OF_claim(void *, u_int, u_int);
void OF_release(void *, u_int);
/* Control transfer functions */
void OF_boot(char *);
void OF_enter(void);
void OF_exit(void) __attribute__((noreturn));
void OF_chain(void *, u_int, void (*)(), void *, u_int);
/* Time function */
int OF_milliseconds(void);
#endif /* _OPENFIRM_H_ */