[src/trunk]: src/sys/arch/dreamcast/dreamcast Support for masking/unmasking I...

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

details:   https://anonhg.NetBSD.org/src/rev/61bc1303671a
branches:  trunk
changeset: 503110:61bc1303671a
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Wed Jan 31 18:44:07 2001 +0000

description:
Support for masking/unmasking IRQ 11 (used by the G2/GAPS bridge).
>From Marcus.

diffstat:

 sys/arch/dreamcast/dreamcast/shb.c |  14 +++++++++++++-
 1 files changed, 13 insertions(+), 1 deletions(-)

diffs (56 lines):

diff -r e3994f225b19 -r 61bc1303671a sys/arch/dreamcast/dreamcast/shb.c
--- a/sys/arch/dreamcast/dreamcast/shb.c        Wed Jan 31 18:39:47 2001 +0000
+++ b/sys/arch/dreamcast/dreamcast/shb.c        Wed Jan 31 18:44:07 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: shb.c,v 1.2 2001/01/15 20:19:53 thorpej Exp $  */
+/*     $NetBSD: shb.c,v 1.3 2001/01/31 18:44:07 thorpej Exp $  */
 
 /*-
  * Copyright (c) 1993, 1994 Charles Hannum.  All rights reserved.
@@ -387,6 +387,8 @@
        int ocpl;
 
 #if 0
+       if(frame.tf_trapno != 0x420 && frame.tf_trapno != 0xf1f &&
+          frame.tf_trapno != 0xf1e)
        printf("intr_handler:int_no %x spc %x ssr %x r15 %x curproc %x\n",
               frame.tf_trapno, frame.tf_spc, frame.tf_ssr, frame.tf_r15,
               (int)curproc);
@@ -559,6 +561,7 @@
                SHREG_IPRE &= ~((15)<<12);
                break;
 #endif
+
        default:
                if (irq < SHB_MAX_HARDINTR)
                        printf("masked unknown irq(%d)!\n", irq);
@@ -611,6 +614,7 @@
                SHREG_IPRE |= ((15 - irq)<<12);
                break;
 #endif
+
        default:
                if (irq < SHB_MAX_HARDINTR)
                        printf("unmasked unknown irq(%d)!\n", irq);
@@ -645,6 +649,10 @@
                SHREG_IPRE &= ~((15)<<12);
                break;
 #endif
+        case 11:
+         *(volatile unsigned int *)(void *)(0xa05f6924) &= ~(1<<3);
+         break;
+
        default:
                if (irq < SHB_MAX_HARDINTR)
                        printf("masked unknown irq(%d)!\n", irq);
@@ -680,6 +688,10 @@
                SHREG_IPRE |= ((15 - irq)<<12);
                break;
 #endif
+        case 11:
+         *(volatile unsigned int *)(void *)(0xa05f6924) |= (1<<3);
+         break;
+
        default:
                if (irq < SHB_MAX_HARDINTR)
                        printf("unmasked unknown irq(%d)!\n", irq);