From ac7d5ef06a6d6e8d84abbd1f0b82162725f98326 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 11 May 1995 17:39:37 +0000
Subject: Initial revision

---
 c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c | 66 +++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c

(limited to 'c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c')

diff --git a/c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c b/c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c
new file mode 100644
index 0000000000..4597e8f088
--- /dev/null
+++ b/c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c
@@ -0,0 +1,66 @@
+/*  set_vector
+ *
+ *  This routine installs an interrupt vector on the HP PA-RISC simulator.
+ *
+ *  INPUT:
+ *    handler - interrupt handler entry point
+ *    vector  - vector number
+ *    type    - 0 indicates raw hardware connect
+ *              1 indicates RTEMS interrupt connect
+ *
+ *  NOTE 'type' is ignored on hppa; all interrupts are owned by RTEMS
+ *
+ *  RETURNS:
+ *    address of previous interrupt handler
+ *
+ *  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>
+
+/*
+ * Install an interrupt handler in the right place
+ * given its vector number from cpu/hppa.h
+ * There are 2 places an interrupt can be installed
+ *      _ISR_Vector_table
+ *      bsp interrupt      XXX: nyi
+ *
+ * We decide which based on the vector number
+ */
+
+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;
+
+    /* is it an on chip interrupt? */
+    /* XXX this should say CPU_INTERRUPT_NUMBER_OF_VECTORS */
+    if (vector < HPPA_INTERRUPT_MAX)
+    {
+        rtems_interrupt_catch(handler, vector, &previous_isr);
+    }
+#if 0   /* XXX */
+    else if ((vector >= HPPA_INTERRUPT_BSP_BASE) &&
+             (vector < (HPPA_INTERRUPT_BSP_BASE + HPPA_BSP_INTERRUPTS)))
+    {
+        simhppa_interrupt_install(handler,
+                                  vector - HPPA_INTERRUPT_BSP_BASE,
+                                  (rtems_isr_entry *) &previous_isr);
+    }
+#endif
+
+    return previous_isr;
+}
+
-- 
cgit v1.2.3