1 /* $NetBSD: enable.h,v 1.1 2001/04/06 15:05:56 fredette Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Adam Glass and Matthew Fredette. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * System Enable Register contents 41 */ 42 #define ENA_PAR_GEN 0x01 /* enable parity generation */ 43 #define ENA_SOFT_INT_1 0x02 /* software interrupt on level 1 */ 44 #define ENA_SOFT_INT_2 0x04 /* software interrupt on level 2 */ 45 #define ENA_SOFT_INT_3 0x08 /* software interrupt on level 3 */ 46 #define ENA_PAR_CHECK 0x10 /* enable parity checking and errors */ 47 #define ENA_SDVMA 0x20 /* enable DVMA */ 48 #define ENA_INTS 0x40 /* enable interrupts */ 49 #define ENA_NOTBOOT 0x80 /* non-boot state */ 50 51 /* 52 * The Sun2 enable register is the ancestor of the Sun3 interrupt 53 * register. It can't be memory-mapped (and thus be manipulated with 54 * the single-instruction (read: atomic) bit instructions) since it's 55 * in control space. SunOS seems reluctant to raise SPL (maybe it 56 * doesn't help?) to manipulate it, so we won't either, but that means 57 * we have to also do as it does and have these bizarre functions. 58 */ 59 #ifdef _KERNEL 60 #define ENABLE_REG_SOFT_UNDEF (0) 61 volatile extern u_short enable_reg_soft; 62 u_short enable_reg_and __P((u_short)); 63 u_short enable_reg_or __P((u_short)); 64 #endif /* _KERNEL */ 65