config root man

/*-
 * Copyright (c) 1998 Robert Nordier
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are freely
 * permitted provided that the above copyright notice and this
 * paragraph and the following disclaimer are duplicated in all
 * such forms.
 *
 * This software is provided "AS IS" and without any express or
 * implied warranties, including, without limitation, the implied
 * warranties of merchantability and fitness for a particular
 * purpose.
 *
 * $FreeBSD: release/9.1.0/sys/boot/i386/common/rbx.h 213136 2010-09-24 19:49:12Z pjd $
 */

#ifndef _RBX_H_
#define	_RBX_H_

#define RBX_ASKNAME	0x0	/* -a */
#define RBX_SINGLE	0x1	/* -s */
/* 0x2 is reserved for log2(RB_NOSYNC). */
/* 0x3 is reserved for log2(RB_HALT). */
/* 0x4 is reserved for log2(RB_INITNAME). */
#define RBX_DFLTROOT	0x5	/* -r */
#define RBX_KDB 	0x6	/* -d */
/* 0x7 is reserved for log2(RB_RDONLY). */
/* 0x8 is reserved for log2(RB_DUMP). */
/* 0x9 is reserved for log2(RB_MINIROOT). */
#define RBX_CONFIG	0xa	/* -c */
#define RBX_VERBOSE	0xb	/* -v */
#define RBX_SERIAL	0xc	/* -h */
#define RBX_CDROM	0xd	/* -C */
/* 0xe is reserved for log2(RB_POWEROFF). */
#define RBX_GDB 	0xf	/* -g */
#define RBX_MUTE	0x10	/* -m */
/* 0x11 is reserved for log2(RB_SELFTEST). */
/* 0x12 is reserved for boot programs. */
/* 0x13 is reserved for boot programs. */
#define RBX_PAUSE	0x14	/* -p */
#define RBX_QUIET	0x15	/* -q */
#define RBX_NOINTR	0x1c	/* -n */
/* 0x1d is reserved for log2(RB_MULTIPLE) and is just misnamed here. */
#define RBX_DUAL	0x1d	/* -D */
/* 0x1f is reserved for log2(RB_BOOTINFO). */

/* pass: -a, -s, -r, -d, -c, -v, -h, -C, -g, -m, -p, -D */
#define RBX_MASK	(OPT_SET(RBX_ASKNAME) | OPT_SET(RBX_SINGLE) | \
			OPT_SET(RBX_DFLTROOT) | OPT_SET(RBX_KDB ) | \
			OPT_SET(RBX_CONFIG) | OPT_SET(RBX_VERBOSE) | \
			OPT_SET(RBX_SERIAL) | OPT_SET(RBX_CDROM) | \
			OPT_SET(RBX_GDB ) | OPT_SET(RBX_MUTE) | \
			OPT_SET(RBX_PAUSE) | OPT_SET(RBX_DUAL))

#define OPT_SET(opt)	(1 << (opt))
#define OPT_CHECK(opt)	((opts) & OPT_SET(opt))

extern uint32_t opts;

#endif	/* !_RBX_H_ */