handle tbuf parity errors

SCCS-vsn: sys/vax/vax/machdep.c 4.60

diff --git a/usr/src/sys/vax/vax/machdep.c b/usr/src/sys/vax/vax/machdep.c
index 6e5291e..09aacf9 100644 (file)
--- a/usr/src/sys/vax/vax/machdep.c
+++ b/usr/src/sys/vax/vax/machdep.c
@@ -1,4 +1,4 @@
-/*     machdep.c       4.59    82/07/22        */
+/*     machdep.c       4.60    82/08/13        */

 
 #include "../h/param.h"
 #include "../h/systm.h"
 
 #include "../h/param.h"
 #include "../h/systm.h"


@@ -684,6 +684,8 @@ char *mc780[] = {
        0,              0,              "ib tbuf par",  0,
        "ib rds",       "ib rd timo",   0,              "ib cache par"
 };
        0,              0,              "ib tbuf par",  0,
        "ib rds",       "ib rd timo",   0,              "ib cache par"
 };

+#define        MC780_TBPAR     2
+#define        MC750_TBPAR     2

 #endif
 #if VAX730
 #define        NMC730  12
 #endif
 #if VAX730
 #define        NMC730  12


@@ -692,6 +694,7 @@ char *mc730[] = {
        "unkn mcr err", "iib rd err",   "nxm ref",      "cp rds",
        "unalgn ioref", "nonlw ioref",  "bad ioaddr",   "unalgn ubaddr",
 };
        "unkn mcr err", "iib rd err",   "nxm ref",      "cp rds",
        "unalgn ioref", "nonlw ioref",  "bad ioaddr",   "unalgn ubaddr",
 };

+#define        MC730_TBPAR     0

 #endif
 
 /*
 #endif
 
 /*


@@ -790,6 +793,11 @@ machinecheck(cmcf)
                    mcf->mc5_buserr, mcf->mc5_mcesr, mcf->mc5_pc, mcf->mc5_psl,
                    mfpr(MCSR));
                mtpr(MCESR, 0xf);
                    mcf->mc5_buserr, mcf->mc5_mcesr, mcf->mc5_pc, mcf->mc5_psl,
                    mfpr(MCSR));
                mtpr(MCESR, 0xf);

+               if ((type&0xf)==MC750_TBPAR) {
+                       printf("tbuf par!?!: flushing and returning\n");
+                       mtpr(TBIA, 0);
+                       return;
+               }

                break;
                }
 #endif
                break;
                }
 #endif