1 /* $NetBSD: intreg.h,v 1.2 1994/11/20 20:54:20 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)intreg.h 8.1 (Berkeley) 6/11/93 45 */ 46 47 /* 48 * sun4c interrupt enable register. 49 * 50 * The register is a single byte. C code must use the ienab_bis and 51 * ienab_bic functions found in locore.s. 52 * 53 * The register's physical address is defined here as the register 54 * must be mapped early in the boot process (otherwise NMI handling 55 * will fail). 56 */ 57 #define INT_ENABLE_REG_PHYSADR 0xf5000000 /* phys addr in IOspace */ 58 59 /* 60 * Bits in interrupt enable register. Software interrupt requests must 61 * be cleared in software. This is done in locore.s. The ALLIE bit must 62 * be cleared to clear asynchronous memory error (level 15) interrupts. 63 */ 64 #define IE_L14 0x80 /* enable level 14 (counter 1) interrupts */ 65 #define IE_L10 0x20 /* enable level 10 (counter 0) interrupts */ 66 #define IE_L8 0x10 /* enable level 8 interrupts */ 67 #define IE_L6 0x08 /* request software level 6 interrupt */ 68 #define IE_L4 0x04 /* request software level 4 interrupt */ 69 #define IE_L1 0x02 /* request software level 1 interrupt */ 70 #define IE_ALLIE 0x01 /* enable interrupts */ 71 72 #ifndef LOCORE 73 void ienab_bis __P((int bis)); /* set given bits */ 74 void ienab_bic __P((int bic)); /* clear given bits */ 75 #endif 76