trap.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
#ifndef _sparc_trap_h
#define _sparc_trap_h
/*
* 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
/*
* Software traps (ticc instructions).
*/
#define ST_SYSCALL 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_GETCC 0x20
#define ST_SETCC 0x21
#ifdef sun4c
#define ST_MON_BREAKPOINT 0x7F
#endif sun4c
/*
* Software trap vectors 16 - 31 are reserved for use by the user
* and will not be usurped by Sun.
*/
/*
* Software trap type values.
*/
#define T_SOFTWARE_TRAP 0x80
#define T_ESOFTWARE_TRAP 0xFF
#define T_SYSCALL (T_SOFTWARE_TRAP + ST_SYSCALL)
#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_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_ZERO 0x00
#endif /*!_sparc_trap_h*/