[src/trunk]: src/sys/arch/sparc/dev Report spurious VME interrupts only #ifde...

[pk <pk%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c11202b5bfef
branches:  trunk
changeset: 494272:c11202b5bfef
user:      pk <pk%NetBSD.org@localhost>
date:      Tue Jul 04 22:22:56 2000 +0000

description:
Report spurious VME interrupts only #ifdef DEBUG for now. The i82586
based `ie1' board seems to cause this for no apparent reason.

diffstat:

 sys/arch/sparc/dev/vme_machdep.c |  36 +++++++++++++++++++++++++-----------
 1 files changed, 25 insertions(+), 11 deletions(-)

diffs (82 lines):

diff -r a73ef6174f5d -r c11202b5bfef sys/arch/sparc/dev/vme_machdep.c
--- a/sys/arch/sparc/dev/vme_machdep.c  Tue Jul 04 20:31:55 2000 +0000
+++ b/sys/arch/sparc/dev/vme_machdep.c  Tue Jul 04 22:22:56 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vme_machdep.c,v 1.29 2000/06/29 07:40:08 mrg Exp $     */
+/*     $NetBSD: vme_machdep.c,v 1.30 2000/07/04 22:22:56 pk Exp $      */
 
 /*-
  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@@ -666,21 +666,28 @@
 {
        struct sparc_vme_intr_handle *ihp = (vme_intr_handle_t)arg;
        int level, vec;
-       int i = 0;
+       int rv = 0;
 
        level = (ihp->pri << 1) | 1;
 
        vec = ldcontrolb((caddr_t)(AC_VMEINTVEC | level));
 
        if (vec == -1) {
-               printf("vme: spurious interrupt\n");
-               return 1; /* XXX - pretend we handled it, for now */
+#ifdef DEBUG
+               /*
+                * This seems to happen only with the i82586 based
+                * `ie1' boards.
+                */
+               printf("vme: spurious interrupt at VME level %d\n", ihp->pri);
+#endif
+               return (1); /* XXX - pretend we handled it, for now */
        }
 
        for (; ihp; ihp = ihp->next)
                if (ihp->vec == vec && ihp->ih.ih_fun)
-                       i += (ihp->ih.ih_fun)(ihp->ih.ih_arg);
-       return (i);
+                       rv |= (ihp->ih.ih_fun)(ihp->ih.ih_arg);
+
+       return (rv);
 }
 #endif
 
@@ -691,7 +698,7 @@
 {
        struct sparc_vme_intr_handle *ihp = (vme_intr_handle_t)arg;
        int level, vec;
-       int i = 0;
+       int rv = 0;
 
        level = (ihp->pri << 1) | 1;
 
@@ -736,18 +743,25 @@
 #endif
 
        if (vec == -1) {
-               printf("vme: spurious interrupt: ");
-               printf("SI: 0x%x, VME AFSR: 0x%x, VME AFAR 0x%x\n",
+#ifdef DEBUG
+               /*
+                * This seems to happen only with the i82586 based
+                * `ie1' boards.
+                */
+               printf("vme: spurious interrupt at VME level %d\n", ihp->pri);
+               printf("    ICR_SI_PEND=0x%x; VME AFSR=0x%x; VME AFAR=0x%x\n",
                        *((int*)ICR_SI_PEND),
                        ihp->sc->sc_reg->vmebus_afsr,
                        ihp->sc->sc_reg->vmebus_afar);
+#endif
                return (1); /* XXX - pretend we handled it, for now */
        }
 
        for (; ihp; ihp = ihp->next)
                if (ihp->vec == vec && ihp->ih.ih_fun)
-                       i += (ihp->ih.ih_fun)(ihp->ih.ih_arg);
-       return (i);
+                       rv |= (ihp->ih.ih_fun)(ihp->ih.ih_arg);
+
+       return (rv);
 }
 #endif