/*- * Copyright (c) 1982, 1986, 1988 The Regents of the University of California. * All rights reserved. * * 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. * * @(#)ka750.c 7.4 (Berkeley) 5/9/91 */ #if VAX750 /* * 750-specific code. */ #include "sys/param.h" #include "../include/cpu.h" #include "mem.h" #include "../include/mtpr.h" struct mcr750 { int mc_err; /* error bits */ int mc_inh; /* inhibit crd */ }; #define M750_ICRD 0x10000000 /* inhibit crd interrupts, in [1] */ #define M750_UNCORR 0xc0000000 /* uncorrectable error, in [0] */ #define M750_CORERR 0x20000000 /* correctable error, in [0] */ #define M750_INH(mcr) ((mcr)->mc_inh = 0) #define M750_ENA(mcr) ((mcr)->mc_err = (M750_UNCORR|M750_CORERR), \ (mcr)->mc_inh = M750_ICRD) #define M750_ERR(mcr) ((mcr)->mc_err & (M750_UNCORR|M750_CORERR)) #define M750_SYN(err) ((err) & 0x7f) #define M750_ADDR(err) (((err) >> 9) & 0x7fff) /* enable crd interrupts */ ka750_memenable() { M750_ENA((struct mcr750 *)mcraddr[0]); } /* log crd errors */ ka750_memerr() { register struct mcr750 *mcr = (struct mcr750 *)mcraddr[0]; register int err; if (M750_ERR(mcr)) { err = mcr->mc_err; /* careful with i/o space refs */ printf("mcr0: %s", err & M750_UNCORR ? "hard error" : "soft ecc"); printf(" addr %x syn %x\n", M750_ADDR(err), M750_SYN(err)); M750_INH(mcr); } } extern char *mc780750[]; struct mc750frame { int mc5_bcnt; /* byte count == 0x28 */ int mc5_summary; /* summary parameter (as above) */ int mc5_va; /* virtual address register */ int mc5_errpc; /* error pc */ int mc5_mdr; int mc5_svmode; /* saved mode register */ int mc5_rdtimo; /* read lock timeout */ int mc5_tbgpar; /* tb group parity error register */ int mc5_cacherr; /* cache error register */ int mc5_buserr; /* bus error register */ int mc5_mcesr; /* machine check status register */ int mc5_pc; /* trapped pc */ int mc5_psl; /* trapped psl */ }; #define MC750_TBERR 2 /* type code of cp tbuf par */ #define MC750_TBPAR 4 /* tbuf par bit in mcesr */ ka750_mchk(cmcf) caddr_t cmcf; { register struct mc750frame *mcf = (struct mc750frame *)cmcf; register int type = mcf->mc5_summary; int mcsr = mfpr(MCSR); printf("machine check %x: %s%s\n", type, mc780750[type&0xf], (type&0xf0) ? " abort" : " fault"); mtpr(TBIA, 0); mtpr(MCESR, 0xf); printf( "\tva %x errpc %x mdr %x smr %x rdtimo %x tbgpar %x cacherr %x\n", mcf->mc5_va, mcf->mc5_errpc, mcf->mc5_mdr, mcf->mc5_svmode, mcf->mc5_rdtimo, mcf->mc5_tbgpar, mcf->mc5_cacherr); printf("\tbuserr %x mcesr %x pc %x psl %x mcsr %x\n", mcf->mc5_buserr, mcf->mc5_mcesr, mcf->mc5_pc, mcf->mc5_psl, mcsr); if (type == MC750_TBERR && (mcf->mc5_mcesr&0xe) == MC750_TBPAR) { printf("tbuf par: flushing and returning\n"); return (MCHK_RECOVERED); } return (MCHK_PANIC); } #endif