usr/src/lib/libbc/inc/include/sun4/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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1985 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _sparc_trap_h
  28 #define _sparc_trap_h
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * Trap type values.
  34  */
  35 #define TT(X)                   ((X)<<4)
  36
  37 /*
  38  * The Coprocessor bit.
  39  */
  40 #define CP_BIT 0x20
  41
  42 /*
  43  * Hardware traps.
  44  */
  45 #define T_RESET                 0x00
  46 #define T_TEXT_FAULT            0x01
  47 #define T_UNIMP_INSTR           0x02
  48 #define T_PRIV_INSTR            0x03
  49 #define T_FP_DISABLED           0x04
  50 #define T_CP_DISABLED           (0x4 | CP_BIT)
  51 #define T_WIN_OVERFLOW          0x05
  52 #define T_WIN_UNDERFLOW         0x06
  53 #define T_ALIGNMENT             0x07
  54 #define T_FP_EXCEPTION          0x08
  55 #define T_CP_EXCEPTION          (0x8 | CP_BIT)
  56 #define T_DATA_FAULT            0x09
  57 #define T_TAG_OVERFLOW          0x0A
  58 #define T_INT                   0x10
  59 #define T_INT_LEVEL             0x0F
  60 #define T_INT_LEVEL_1           0x11
  61 #define T_INT_LEVEL_2           0x12
  62 #define T_INT_LEVEL_3           0x13
  63 #define T_INT_LEVEL_4           0x14
  64 #define T_INT_LEVEL_5           0x15
  65 #define T_INT_LEVEL_6           0x16
  66 #define T_INT_LEVEL_7           0x17
  67 #define T_INT_LEVEL_8           0x18
  68 #define T_INT_LEVEL_9           0x19
  69 #define T_INT_LEVEL_10          0x1A
  70 #define T_INT_LEVEL_11          0x1B
  71 #define T_INT_LEVEL_12          0x1C
  72 #define T_INT_LEVEL_13          0x1D
  73 #define T_INT_LEVEL_14          0x1E
  74 #define T_INT_LEVEL_15          0x1F
  75
  76 /*
  77  * Software traps (ticc instructions).
  78  */
  79 #define ST_SYSCALL              0x00
  80 #define ST_BREAKPOINT           0x01
  81 #define ST_DIV0                 0x02
  82 #define ST_FLUSH_WINDOWS        0x03
  83 #define ST_CLEAN_WINDOWS        0x04
  84 #define ST_RANGE_CHECK          0x05
  85 #define ST_FIX_ALIGN            0x06
  86 #define ST_INT_OVERFLOW         0x07
  87
  88 #define ST_GETCC                0x20
  89 #define ST_SETCC                0x21
  90 #define ST_MON_BREAKPOINT       0x7F
  91
  92 /*
  93  * Software trap vectors 16 - 31 are reserved for use by the user
  94  * and will not be usurped by Sun.
  95  */
  96
  97 /*
  98  * Software trap type values.
  99  */
 100 #define T_SOFTWARE_TRAP         0x80
 101 #define T_ESOFTWARE_TRAP        0xFF
 102 #define T_SYSCALL               (T_SOFTWARE_TRAP + ST_SYSCALL)
 103 #define T_BREAKPOINT            (T_SOFTWARE_TRAP + ST_BREAKPOINT)
 104 #define T_DIV0                  (T_SOFTWARE_TRAP + ST_DIV0)
 105 #define T_FLUSH_WINDOWS         (T_SOFTWARE_TRAP + ST_FLUSH_WINDOWS)
 106 #define T_CLEAN_WINDOWS         (T_SOFTWARE_TRAP + ST_CLEAN_WINDOWS)
 107 #define T_RANGE_CHECK           (T_SOFTWARE_TRAP + ST_RANGE_CHECK)
 108 #define T_FIX_ALIGN             (T_SOFTWARE_TRAP + ST_FIX_ALIGN)
 109 #define T_INT_OVERFLOW          (T_SOFTWARE_TRAP + ST_INT_OVERFLOW)
 110
 111 #define T_GETCC                 (T_SOFTWARE_TRAP + ST_GETCC)
 112 #define T_SETCC                 (T_SOFTWARE_TRAP + ST_SETCC)
 113
 114 /*
 115  * Pseudo traps.
 116  */
 117 #define T_INTERRUPT             0x100
 118 #define T_SPURIOUS              (T_INTERRUPT | T_INT)
 119 #define T_FAULT                 0x200
 120 #define T_AST                   0x400
 121 #define T_ZERO                  0x00
 122
 123 #endif /* !_sparc_trap_h */