New files -- from rtems-LM-980406 which was based on an RTEMS from 12/97.

This was called the dmv170 BSP in that source tree but since the DMV171
is now obsolete, we have transitioned to the DMV177 and have no intention
of checking compatibility with any other models.

1 files changed, 84 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c b/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c
new file mode 100644
index 0000000000..212d7eb938
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c
@@ -0,0 +1,84 @@
+/*  vmeintr.c
+ *
+ *  VMEbus support routines for the DMV170.
+ *
+ *  COPYRIGHT (c) 1989-1997.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may in
+ *  the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include <vmeintr.h>
+
+/* PAGE
+ *
+ *  VME_interrupt_Disable
+ *
+ *  This routine disables vme interupts
+ *
+ *  Input parameters:
+ *    mask - interupt mask
+ *
+ *  Output parameters:  NONE
+ *
+ *  Return values: NONE
+ */
+
+void VME_interrupt_Disable (
+  VME_interrupt_Mask                mask                        /* IN  */
+)
+{
+  volatile rtems_unsigned8  *VME_interrupt_enable;
+  rtems_unsigned8  value;
+
+#if 0
+  VME_interrupt_enable = ACC_VIE;
+#else
+  VME_interrupt_enable = 0;
+#endif
+  value = *VME_interrupt_enable;
+
+  value &= ~mask;  /* turn off interrupts for all levels in mask */
+
+  *VME_interrupt_enable = value;
+}
+
+/* PAGE
+ *
+ *  VME_interrupt_Enable
+ *
+ *  This routine enables vme interupts
+ *
+ *  Input parameters:
+ *    mask - interupt mask
+ *
+ *  Output parameters:  NONE
+ *
+ *  Return values:
+ */
+
+void VME_interrupt_Enable (
+  VME_interrupt_Mask                mask                        /* IN  */
+)
+{
+  volatile rtems_unsigned8  *VME_interrupt_enable;
+  rtems_unsigned8  value;
+
+#if 0
+  VME_interrupt_enable = ACC_VIE;
+#else
+  VME_interrupt_enable = 0;
+#endif
+  value = *VME_interrupt_enable;
+
+  value |= mask;  /* turn on interrupts for all levels in mask */
+
+  *VME_interrupt_enable = value;
+}