/*
 * Copyright (c) 1991 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)proc.h	7.1 (Berkeley) 5/15/91
 */

/*
 * Machine-dependent part of the proc structure for i386.
 */
struct mdproc {
	int	md_flags;		/* machine-dependent flags */
	int	*md_regs;		/* registers on current frame */
	int	md_tsel;		/* TSS selector */
	caddr_t	md_onfault;		/* kernel fault catcher */
};

/* md_flags */
#define	MDP_AST		0x0001	/* async trap pending */
#define	MDP_RESCHED	0x0002	/* resched pending */
#define	MDP_SIGPROC	0x0004	/* signal being processed -- see npx and trap */
#define	MDP_NPXCOLL	0x0008	/* npx error during signal -- see npx */

#define	MDP_FMTRAP	0x0010	/* process entered kernel on a trap frame */
#define	MDP_FPWASUSED	0x0020	/* process has used fltng pnt hardware */
#define	MDP_FPRESTPND	0x0080	/* ... that needs restore on next DNA fault */
#define	MDP_FPSOFTFP	0x0100	/* process using software fltng pnt emulator */
#define	MDP_SSTEP	0x0200	/* restore single stepping on exit from kernel*/
