usr/src/uts/sparc/sys/trap.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_TRAP_H
  27 #define _SYS_TRAP_H
  28
  29 #ifdef  __cplusplus
  30 extern "C" {
  31 #endif
  32
  33
  34 /*
  35  * This file is machine specific as is.
  36  * Some trap types could be made common
  37  * for all sparcs, but that is a project
  38  * in and of itself.
  39  */
  40
  41 /*
  42  * Software traps (ticc instructions).
  43  */
  44 #define ST_OSYSCALL             0x00
  45 #define ST_BREAKPOINT           0x01
  46 #define ST_DIV0                 0x02
  47 #define ST_FLUSH_WINDOWS        0x03
  48 #define ST_CLEAN_WINDOWS        0x04
  49 #define ST_RANGE_CHECK          0x05
  50 #define ST_FIX_ALIGN            0x06
  51 #define ST_INT_OVERFLOW         0x07
  52 #define ST_SYSCALL              0x08
  53 #define ST_TRANSACTION_FAILURE  0x0F
  54
  55 /*
  56  * Software trap vectors 16 - 31 are reserved for use by the user
  57  * and will not be usurped by Sun.
  58  */
  59
  60 #define ST_GETCC                0x20
  61 #define ST_SETCC                0x21
  62 #define ST_GETPSR               0x22
  63 #define ST_SETPSR               0x23
  64 #define ST_GETHRTIME            0x24
  65 #define ST_GETHRVTIME           0x25
  66 #define ST_SELFXCALL            0x26
  67 #define ST_GETHRESTIME          0x27
  68 #define ST_SETV9STACK           0x28
  69 #define ST_GETLGRP              0x29
  70
  71 /*
  72  * DTrace traps used for user-land tracing.
  73  */
  74 #define ST_DTRACE_PID           0x38
  75 #define ST_DTRACE_PROBE         0x39
  76 #define ST_DTRACE_RETURN        0x3a
  77
  78 #define ST_KMDB_TRAP            0x7d
  79 #define ST_KMDB_BREAKPOINT      0x7e
  80 #define ST_MON_BREAKPOINT       0x7f
  81
  82 #ifdef  __cplusplus
  83 }
  84 #endif
  85
  86 #endif  /* _SYS_TRAP_H */