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, 71 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c b/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c
new file mode 100644
index 0000000000..4fb6333da8
--- /dev/null
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c
@@ -0,0 +1,71 @@
+/*  set_vector
+ *
+ *  This routine installs an interrupt vector on the target Board/CPU.
+ *  This routine is allowed to be as board dependent as necessary.
+ *
+ *  INPUT:
+ *    handler - interrupt handler entry point
+ *    vector  - vector number
+ *    type    - 0 indicates raw hardware connect
+ *              1 indicates RTEMS interrupt connect
+ *
+ *  RETURNS:
+ *    address of previous interrupt handler
+ *
+ *  Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/setvec.c:
+ *
+ *  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>
+
+
+/*  PAGE
+ *
+ *  set_vector
+ *
+ *  This routine installs vector number vector. 
+ *  
+ *  Input parameters:
+ *    handler - routine to call when the interupt occurs
+ *    vector  - vector id
+ *    type    - RAW or RTEMS vector
+ *
+ *  Output parameters:  NONE
+ *
+ *  Return values:      Removed interupt routine or 0 if none.
+ */
+
+rtems_isr_entry set_vector(                    /* returns old vector */
+  rtems_isr_entry     handler,                  /* isr routine        */
+  rtems_vector_number vector,                   /* vector number      */
+  int                 type                      /* RTEMS or RAW intr  */
+)
+{
+  rtems_isr_entry previous_isr;
+  rtems_status_code status;
+
+
+  /* 
+   * vectors greater than PPC603e_IRQ_LAST are handled by the General purpose
+   * interupt handler.
+   */
+  if ( vector > PPC_IRQ_LAST )  {
+    set_EE_vector ( handler, vector );
+  }
+  else  {
+    status = rtems_interrupt_catch
+           ( handler, vector, (rtems_isr_entry *) &previous_isr );
+  }
+  return previous_isr;
+}
+