/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1989, 1995 by Sun Microsystems, Inc.
 * All Rights Reserved.
 */

#ifndef _SYS_REG_H
#define _SYS_REG_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * This file only exists for v7 backwards compatibility.
 * Kernel code should not include it.
 */
#ifdef _KERNEL
#error Kernel include of reg.h
#else

#include <sys/regset.h>

/*
 * NWINDOW is obsolete; it exists only for existing application compatibility.
 */
#define NWINDOW         7

/*
 * Location of the users' stored registers relative to R0.
 * Used as an index into a gregset_t array.
 */
#define PSR     (0)
#define PC      (1)
#define nPC     (2)
#define Y       (3)
#define G1      (4)
#define G2      (5)
#define G3      (6)
#define G4      (7)
#define G5      (8)
#define G6      (9)
#define G7      (10)
#define O0      (11)
#define O1      (12)
#define O2      (13)
#define O3      (14)
#define O4      (15)
#define O5      (16)
#define O6      (17)
#define O7      (18)

/*
 * The following defines are for portability.
 */
#define PS      PSR
#define SP      O6
#define R0      O0
#define R1      O1

#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_REG_H */