1 files changed, 70 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/shmsupp/mpisr.c b/c/src/lib/libbsp/i960/cvme961/shmsupp/mpisr.c
new file mode 100644
index 0000000000..827c5e4adb
--- /dev/null
+++ b/c/src/lib/libbsp/i960/cvme961/shmsupp/mpisr.c
@@ -0,0 +1,70 @@
+/*  Shm_isr_cvme961()
+ *
+ *  NOTE: This routine is not used when in polling mode.  Either
+ *        this routine OR Shm_clockisr is used in a particular system.
+ *
+ *        There must be sufficient time after the IACK (read at
+ *        0xb600000x) for the VIC068 to clear the interrupt request
+ *        before the interrupt request is cleared from IPND (sf0).
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+#include <bsp.h>
+#include "shm.h"
+
+rtems_isr Shm_isr_cvme961(
+  rtems_vector_number vector
+)
+{
+  rtems_unsigned32 vic_vector;
+
+  /* enable_tracing(); */
+  vic_vector = (*(volatile rtems_unsigned8 *)0xb6000007);
+                                           /* reset intr by reading */
+                                           /*   vector at IPL=3 */
+  Shm_Interrupt_count += 1;
+  rtems_multiprocessing_announce();
+  (*(volatile rtems_unsigned8 *)0xa000005f) = 0; /* clear ICMS0 */
+  i960_clear_intr( 6 );
+
+}
+
+/*  void _Shm_setvec( )
+ *
+ *  This driver routine sets the SHM interrupt vector to point to the
+ *  driver's SHM interrupt service routine.
+ *
+ *  NOTE: See pp. 21-22, 36-39 of the CVME961 Manual for more info.
+ *
+ *  Input parameters:  NONE
+ *
+ *  Output parameters: NONE
+ */
+
+void Shm_setvec()
+{
+  rtems_unsigned32 isrlevel;
+
+  rtems_interrupt_disable( isrlevel );
+                                        /* set SQSIO4 CTL REG for */
+                                        /*   VME slave address */
+    (*(rtems_unsigned8 *)0xc00000b0) =
+      (Shm_RTEMS_MP_Configuration->node - 1) | 0x10;
+    set_vector( Shm_isr_cvme961, 6, 1 );
+                                        /* set ICMS Bector Base Register */
+    (*(rtems_unsigned8 *)0xa0000053) = 0x60;  /* XINT6 vector is 0x62 */
+                                        /* set  ICMS Intr Control Reg */
+    (*(rtems_unsigned8 *)0xa0000047) = 0xeb;  /* ICMS0 enabled, IPL=0 */
+    (*(rtems_unsigned8 *)0xa000005f) = 0;     /* clear ICMS0 */
+  rtems_interrupt_enable( isrlevel );
+}