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Initial revision

/*	$OpenBSD: prom.h,v 1.1 2006/05/16 22:48:18 miod Exp $	*/
/*
 * Copyright (c) 2006, Miodrag Vallat
 *
 * 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 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.
 */

#define	SCM_CHAR		0x00
#define	SCM_OCHAR		0x20
#define	SCM_OCRLF		0x26
#define	SCM_HALT		0x63
#define	SCM_COMMID		0x114

void	scm_getenaddr(u_char *);

/*
 * Simpler version of SCM_CALL() from aviion/prom.c since we are using
 * in PROM context.
 */

#define SCM_CALL(x) \
	__asm__ __volatile__ ("or r9, r0, " __STRING(x));		\
	__asm__ __volatile__ ("tb0 0, r0, 496" :::			\
	    "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8",		\
	    "r9", "r10", "r11", "r12", "r13")