1 /* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This software was developed by the Computer Systems Engineering group 6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 7 * contributed to Berkeley. 8 * 9 * All advertising materials mentioning features or use of this software 10 * must display the following acknowledgement: 11 * This product includes software developed by the University of 12 * California, Lawrence Berkeley Laboratory. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. All advertising materials mentioning features or use of this software 23 * must display the following acknowledgement: 24 * This product includes software developed by the University of 25 * California, Berkeley and its contributors. 26 * 4. Neither the name of the University nor the names of its contributors 27 * may be used to endorse or promote products derived from this software 28 * without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 * 42 * @(#)intreg.h 8.1 (Berkeley) 6/11/93 43 * 44 * from: Header: intreg.h,v 1.7 92/11/26 03:04:53 torek Exp (LBL) 45 * $Id: intreg.h,v 1.1 1993/10/02 10:24:14 deraadt Exp $ 46 */ 47 48 /* 49 * sun4c interrupt enable register. 50 * 51 * The register is a single byte. C code must use the ienab_bis and 52 * ienab_bic functions found in locore.s. 53 * 54 * The register's physical address is defined here as the register 55 * must be mapped early in the boot process (otherwise NMI handling 56 * will fail). 57 */ 58 #define INT_ENABLE_REG_PHYSADR 0xf5000000 /* phys addr in IOspace */ 59 60 /* 61 * Bits in interrupt enable register. Software interrupt requests must 62 * be cleared in software. This is done in locore.s. The ALLIE bit must 63 * be cleared to clear asynchronous memory error (level 15) interrupts. 64 */ 65 #define IE_L14 0x80 /* enable level 14 (counter 1) interrupts */ 66 #define IE_L10 0x20 /* enable level 10 (counter 0) interrupts */ 67 #define IE_L8 0x10 /* enable level 8 interrupts */ 68 #define IE_L6 0x08 /* request software level 6 interrupt */ 69 #define IE_L4 0x04 /* request software level 4 interrupt */ 70 #define IE_L1 0x02 /* request software level 1 interrupt */ 71 #define IE_ALLIE 0x01 /* enable interrupts */ 72 73 #ifndef LOCORE 74 void ienab_bis __P((int bis)); /* set given bits */ 75 void ienab_bic __P((int bic)); /* clear given bits */ 76 #endif 77