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BSD 4.3tahoe

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)scb.h	7.2 (Berkeley) 5/7/88
 */

/*
 * VAX System control block layout
 */

struct scb {
	int	(*scb_passiverel)();	/* BI passive release */
	int	(*scb_machchk)();	/* machine chack */
	int	(*scb_kspinval)();	/* KSP invalid */
	int	(*scb_powfail)();	/* power fail */
	int	(*scb_resinstr)();	/* reserved instruction */
	int	(*scb_custinst)();	/* XFC instr */
	int	(*scb_resopnd)();	/* reserved operand */
	int	(*scb_resaddr)();	/* reserved addr mode */
	int	(*scb_acv)();		/* access control violation */
	int	(*scb_tnv)();		/* translation not valid */
	int	(*scb_tracep)();	/* trace pending */
	int	(*scb_bpt)();		/* breakpoint instr */
	int	(*scb_compat)();	/* compatibility mode fault */
	int	(*scb_arith)();		/* arithmetic fault */
	int	(*scb_stray2)();
	int	(*scb_stray3)();
	int	(*scb_chmk)();		/* CHMK instr */
	int	(*scb_chme)();		/* CHME instr */
	int	(*scb_chms)();		/* CHMS instr */
	int	(*scb_chmu)();		/* CHMU instr */
	int	(*scb_sbisilo)();	/* SBI silo compare */
#define	scb_bierr scb_sbisilo		/*=BI error (8200) */
	int	(*scb_cmrd)();		/* corrected mem read data */
	int	(*scb_sbialert)();	/* SBI alert */
	int	(*scb_sbifault)();	/* SBI fault */
	int	(*scb_wtime)();		/* memory write timeout */
#define scb_sbierr scb_wtime		/*=SBI error (8600) */
	int	(*scb_sbifail)();	/* SBI fail (8600) */
	int	(*scb_stray4[7])();
	int	(*scb_soft[15])();	/* software interrupt */
	int	(*scb_timer)();		/* interval timer interrupt */
	int	(*scb_stray5)();
	int	(*scb_cn1rint)();	/* console terminal 1 rcv (8200) */
	int	(*scb_cn1xint)();	/* console terminal 1 xmt (8200) */
	int	(*scb_cn2rint)();	/* console 2 rcv (8200) */
	int	(*scb_cn2xint)();	/* console 2 xmt (8200) */
	int	(*scb_cn3rint)();	/* console 3 rcv (8200) */
	int	(*scb_cn3xint)();	/* console 3 xmt (8200) */
	int	(*scb_stray6[4])();
	int	(*scb_csdr)();		/* console storage receive */
	int	(*scb_csdx)();		/* console storage transmit */
	int	(*scb_ctr)();		/* console terminal receive */
	int	(*scb_ctx)();		/* console terminal transmit */
	int	(*scb_ipl14[16])();	/* device interrupts IPL 14 */
	int	(*scb_ipl15[16])();	/*   "		"    IPL 15 */
	int	(*scb_ipl16[16])();	/*   "		"    IPL 16 */
	int	(*scb_ipl17[16])();	/*   "		"    IPL 17 */
	/*
	 * On the 8600, this is followed by a second copy of the SCB.
	 * On the 750, this is followed by 128 uba0 device interrupts,
	 * then 128 uba1 device interrupts.
	 */
};

#ifdef KERNEL
extern	struct scb scb[];
#endif

#define	scbentry(f, how)		((int (*)())(((int)f)+how))

#define	SCB_KSTACK	0
#define	SCB_ISTACK	1
#define	SCB_WCS		2
#define	SCB_HALT	3

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