/* $NetBSD: memc_3min.c,v 1.10 2005/12/11 12:18:39 christos Exp $ */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah Hdr: trap.c 1.32 91/04/06 * * @(#)trap.c 8.5 (Berkeley) 1/11/94 */ /* * Copyright (c) 1988 University of Utah. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah Hdr: trap.c 1.32 91/04/06 * * @(#)trap.c 8.5 (Berkeley) 1/11/94 */ #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: memc_3min.c,v 1.10 2005/12/11 12:18:39 christos Exp $"); /* * Motherboard memory error contoller used in both * 3min (kn02ba) and maxine (kn02ca). */ #include <sys/types.h> #include <sys/systm.h> #include <mips/cpuregs.h> #include <pmax/pmax/kmin.h> #include <pmax/pmax/memc.h> /* * Handle error * All we can do with parity is panic. * XXX check for clean user pages, replace frame, and reload ? */ void kn02ba_errintr() { int mer, adr, siz, err; static int errintr_cnt = 0; siz = *(u_int32_t *)MIPS_PHYS_TO_KSEG1(KMIN_REG_MSR); mer = *(u_int32_t *)MIPS_PHYS_TO_KSEG1(KMIN_REG_MER); adr = *(u_int32_t *)MIPS_PHYS_TO_KSEG1(KMIN_REG_AER); /* clear interrupt bit */ *(u_int32_t *)MIPS_PHYS_TO_KSEG1(KMIN_REG_TIMEOUT) = 0; err = 0; /* XXX gcc */ switch (mer & KMIN_MER_LASTBYTE) { case KMIN_LASTB31: err = 3; break; case KMIN_LASTB23: err = 2; break; case KMIN_LASTB15: err = 1; break; case KMIN_LASTB07: err = 0; break; } err |= (adr & KMIN_AER_ADDR_MASK); errintr_cnt++; printf("(%d)Bad memory chip at phys %x [%x %x %x]\n", errintr_cnt, err, mer, siz, adr); }