1 files changed, 29 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c b/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c
new file mode 100644
index 0000000000..c1e5df20a4
--- /dev/null
+++ b/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c
@@ -0,0 +1,29 @@
+/* 
+ *  This file contains the maximum number of vectors.  This can not
+ *  be determined without knowing the RTEMS CPU model. 
+ *
+ *  COPYRIGHT (c) 1989-2000.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+
+/*
+ *  The tx3904 attaches 4 of the eight interrupt bits to an on-CPU interrupt
+ *  controller so that these four bits map to 16 unique interrupts.
+ *  So you have: 2 software interrupts, an NMI, and 16 others.
+ */
+#if defined(tx3904)
+#define MAX_VECTORS 19
+#endif
+
+#ifndef MAX
+#define MAX_VECTORS 8
+#endif
+
+unsigned int mips_interrupt_number_of_vectors = MAX_VECTORS;