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/*
* 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 (c) 1990, 1991 UNIX System Laboratories, Inc. */
/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
/* All Rights Reserved */
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Copyright 2018 Joyent, Inc.
*/
#ifndef _SYS_TRAP_H
#define _SYS_TRAP_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* Trap type values
*/
#define T_ZERODIV 0x0 /* #de divide by 0 error */
#define T_SGLSTP 0x1 /* #db single step */
#define T_NMIFLT 0x2 /* NMI */
#define T_BPTFLT 0x3 /* #bp breakpoint fault, INT3 insn */
#define T_OVFLW 0x4 /* #of INTO overflow fault */
#define T_BOUNDFLT 0x5 /* #br BOUND insn fault */
#define T_ILLINST 0x6 /* #ud invalid opcode fault */
#define T_NOEXTFLT 0x7 /* #nm device not available: x87 */
#define T_DBLFLT 0x8 /* #df double fault */
#define T_EXTOVRFLT 0x9 /* [not generated: 386 only] */
#define T_TSSFLT 0xa /* #ts invalid TSS fault */
#define T_SEGFLT 0xb /* #np segment not present fault */
#define T_STKFLT 0xc /* #ss stack fault */
#define T_GPFLT 0xd /* #gp general protection fault */
#define T_PGFLT 0xe /* #pf page fault */
#define T_RESVTRAP 0xf /* reserved */
#define T_EXTERRFLT 0x10 /* #mf x87 FPU error fault */
#define T_ALIGNMENT 0x11 /* #ac alignment check error */
#define T_MCE 0x12 /* #mc machine check exception */
#define T_SIMDFPE 0x13 /* #xm SSE/SSE exception */
#define T_DBGENTR 0x14 /* debugger entry */
#define T_INVALTRAP 0x1e /* invalid */
#define T_ENDPERR 0x21 /* emulated extension error flt */
#define T_ENOEXTFLT 0x20 /* emulated ext not present */
#define T_FASTTRAP 0xd2 /* fast system call */
#define T_SYSCALLINT 0x91 /* general system call */
#define T_DTRACE_RET 0x92 /* DTrace pid return */
#define T_INT80 0x80 /* int80 handler for linux emulation */
#define T_SOFTINT 0x50fd /* pseudo softint trap type */
/*
* Pseudo traps.
*/
#define T_INTERRUPT 0x100
#define T_FAULT 0x200
#define T_AST 0x400
#define T_SYSCALL 0x180
/*
* Values of error code on stack in case of page fault
*/
#define PF_ERR_MASK 0x01 /* Mask for error bit */
#define PF_ERR_PAGE 0x00 /* page not present */
#define PF_ERR_PROT 0x01 /* protection error */
#define PF_ERR_WRITE 0x02 /* fault caused by write (else read) */
#define PF_ERR_USER 0x04 /* processor was in user mode */
/* (else supervisor) */
#define PF_ERR_EXEC 0x10 /* attempt to execute a No eXec page (AMD) */
/* or kernel tried to execute a user page */
/* (Intel SMEP) */
/*
* Definitions for fast system call subfunctions
*/
#define T_FNULL 0 /* Null trap for testing */
#define T_FGETFP 1 /* Get emulated FP context */
#define T_FSETFP 2 /* Set emulated FP context */
#define T_GETHRTIME 3 /* Get high resolution time */
#define T_GETHRVTIME 4 /* Get high resolution virtual time */
#define T_GETHRESTIME 5 /* Get high resolution time */
#define T_GETLGRP 6 /* Get home lgrpid */
#define T_LASTFAST 6 /* Last valid subfunction */
/*
* Offsets for an interrupt/trap frame.
*/
#define T_FRAME_ERR 0
#define T_FRAME_RIP 8
#define T_FRAME_CS 16
#define T_FRAME_RFLAGS 24
#define T_FRAME_RSP 32
#define T_FRAME_SS 40
#define T_FRAMERET_RIP 0
#define T_FRAMERET_CS 8
#define T_FRAMERET_RFLAGS 16
#define T_FRAMERET_RSP 24
#define T_FRAMERET_SS 32
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TRAP_H */
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