/*
 * 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 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_MACHTRAP_H
#define _SYS_MACHTRAP_H

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

#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.
 */

/*
 * Trap type values.
 */
#define TT(X)                   ((X)<<4)

/*
 * The Coprocessor bit.
 */
#define CP_BIT 0x20

/*
 * Hardware traps.
 */
#define T_RESET                 0x00
#define T_TEXT_FAULT            0x01
#define T_UNIMP_INSTR           0x02
#define T_PRIV_INSTR            0x03
#define T_FP_DISABLED           0x04
#define T_CP_DISABLED           (0x4 | CP_BIT)
#define T_WIN_OVERFLOW          0x05
#define T_WIN_UNDERFLOW         0x06
#define T_ALIGNMENT             0x07
#define T_FP_EXCEPTION          0x08
#define T_CP_EXCEPTION          (0x8 | CP_BIT)
#define T_DATA_FAULT            0x09
#define T_TAG_OVERFLOW          0x0A
#define T_INT                   0x10
#define T_INT_LEVEL             0x0F
#define T_INT_LEVEL_1           0x11
#define T_INT_LEVEL_2           0x12
#define T_INT_LEVEL_3           0x13
#define T_INT_LEVEL_4           0x14
#define T_INT_LEVEL_5           0x15
#define T_INT_LEVEL_6           0x16
#define T_INT_LEVEL_7           0x17
#define T_INT_LEVEL_8           0x18
#define T_INT_LEVEL_9           0x19
#define T_INT_LEVEL_10          0x1A
#define T_INT_LEVEL_11          0x1B
#define T_INT_LEVEL_12          0x1C
#define T_INT_LEVEL_13          0x1D
#define T_INT_LEVEL_14          0x1E
#define T_INT_LEVEL_15          0x1F
#define T_TEXT_ERROR            0x21
#define T_UNIMP_FLUSH           0x25    /* IFLUSH - unimplemented flush */
#define T_DATA_ERROR            0x29
#define T_IDIV0                 0x2A
#define T_DATA_STORE            0x2B

/*
 * Software trap type values.
 */
#define T_SOFTWARE_TRAP         0x80
#define T_ESOFTWARE_TRAP        0xFF
#define T_OSYSCALL              (T_SOFTWARE_TRAP + ST_OSYSCALL)
#define T_BREAKPOINT            (T_SOFTWARE_TRAP + ST_BREAKPOINT)
#define T_DIV0                  (T_SOFTWARE_TRAP + ST_DIV0)
#define T_FLUSH_WINDOWS         (T_SOFTWARE_TRAP + ST_FLUSH_WINDOWS)
#define T_CLEAN_WINDOWS         (T_SOFTWARE_TRAP + ST_CLEAN_WINDOWS)
#define T_RANGE_CHECK           (T_SOFTWARE_TRAP + ST_RANGE_CHECK)
#define T_FIX_ALIGN             (T_SOFTWARE_TRAP + ST_FIX_ALIGN)
#define T_INT_OVERFLOW          (T_SOFTWARE_TRAP + ST_INT_OVERFLOW)
#define T_SYSCALL               (T_SOFTWARE_TRAP + ST_SYSCALL)

#define T_GETCC                 (T_SOFTWARE_TRAP + ST_GETCC)
#define T_SETCC                 (T_SOFTWARE_TRAP + ST_SETCC)


/*
 * Pseudo traps.
 */
#define T_INTERRUPT             0x100
#define T_SPURIOUS              (T_INTERRUPT | T_INT)
#define T_FAULT                 0x200
#define T_AST                   0x400
#define T_FLUSH_PCB             (T_AST + 0x10)
#define T_SYS_RTT_PAGE          (T_AST + 0x20)
#define T_ZERO                  0x00

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_MACHTRAP_H */