/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_TRAP_H
#define _SYS_TRAP_H

#ifdef  __cplusplus
extern "C" {
#endif


/*
 * This file is machine specific as is.
 * Some trap types could be made common
 * for all sparcs, but that is a project
 * in and of itself.
 */

/*
 * Software traps (ticc instructions).
 */
#define ST_OSYSCALL             0x00
#define ST_BREAKPOINT           0x01
#define ST_DIV0                 0x02
#define ST_FLUSH_WINDOWS        0x03
#define ST_CLEAN_WINDOWS        0x04
#define ST_RANGE_CHECK          0x05
#define ST_FIX_ALIGN            0x06
#define ST_INT_OVERFLOW         0x07
#define ST_SYSCALL              0x08
#define ST_TRANSACTION_FAILURE  0x0F

/*
 * Software trap vectors 16 - 31 are reserved for use by the user
 * and will not be usurped by Sun.
 */

#define ST_GETCC                0x20
#define ST_SETCC                0x21
#define ST_GETPSR               0x22
#define ST_SETPSR               0x23
#define ST_GETHRTIME            0x24
#define ST_GETHRVTIME           0x25
#define ST_SELFXCALL            0x26
#define ST_GETHRESTIME          0x27
#define ST_SETV9STACK           0x28
#define ST_GETLGRP              0x29

/*
 * DTrace traps used for user-land tracing.
 */
#define ST_DTRACE_PID           0x38
#define ST_DTRACE_PROBE         0x39
#define ST_DTRACE_RETURN        0x3a

#define ST_KMDB_TRAP            0x7d
#define ST_KMDB_BREAKPOINT      0x7e
#define ST_MON_BREAKPOINT       0x7f

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_TRAP_H */