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      1 /*	$NetBSD: promlib.h,v 1.9 2008/04/28 20:23:37 martin Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg and Matthew Fredette.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Macros and functions to hide the Sun2 PROM interface from the
     34  * common Sun parts of the kernel.
     35  */
     36 
     37 #ifndef _MACHINE_PROMLIB_H_
     38 #define _MACHINE_PROMLIB_H_
     39 
     40 #include <machine/mon.h>
     41 
     42 #ifdef	_SUN2_PROMLIB_PRIVATE
     43 #define	romVectorPtr	((struct sunromvec *) SUN2_PROM_BASE)
     44 #endif	/* _SUN2_PROMLIB_PRIVATE */
     45 
     46 /*
     47  * We define both of these, since there are places where their
     48  * functionality is the same, and some common code knows that
     49  * (e.g. dev/sun/zs.c).
     50  */
     51 #define PROM_OLDMON	0
     52 #define PROM_OBP_V0	1
     53 
     54 void	prom_init(void);	/* To setup promops */
     55 
     56 #define	prom_version()	(PROM_OLDMON)
     57 int	prom_memsize(void);
     58 int	prom_stdin(void);
     59 int	prom_stdout(void);
     60 int	prom_kbdid(void);
     61 int	prom_getchar(void);
     62 int	prom_peekchar(void);
     63 void	prom_putchar(int);
     64 void	prom_putstr(char *, int);
     65 void	prom_printf(const char *, ...);
     66 void	prom_abort(void);
     67 void	prom_halt(void) __attribute__((__noreturn__));
     68 void	prom_boot(const char *) __attribute__((__noreturn__));
     69 char	*prom_getbootpath(void);
     70 char	*prom_getbootfile(void);
     71 char	*prom_getbootargs(void);
     72 int	prom_sd_target(int);
     73 #define	callrom		prom_abort
     74 
     75 /*
     76  * We also provide these, to keep #ifdef'ing down in common
     77  * code.  These should be revisited.  The worst offender is
     78  * our definition of CPU_ISSUN4, for the benefit of
     79  * sys/dev/sun/fb.c.
     80  */
     81 #define PROM_OBP_V2	2
     82 #define PROM_OBP_V3	3
     83 #define PROM_OPENFIRM	4
     84 #define prom_getpropint(a, b, c) (0)
     85 #define CPU_ISSUN4 (1)
     86 
     87 #endif /* _MACHINE_PROMLIB_H_ */
     88