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-rw-r--r--c/src/lib/libbsp/hppa1.1/simhppa/startup/setvec.c66
1 files changed, 66 insertions, 0 deletions
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
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+++ 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;
+}
+