New port of RTEMS to TI C3x and C4x.

1 files changed, 85 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/c4x/shared/c3xspurious.c b/c/src/lib/libbsp/c4x/shared/c3xspurious.c
new file mode 100644
index 0000000000..fb14a76d4e
--- /dev/null
+++ b/c/src/lib/libbsp/c4x/shared/c3xspurious.c
@@ -0,0 +1,85 @@
+/*
+ *  C3X Spurious Trap Handler
+ *
+ *  This is just enough of a trap handler to let us know what 
+ *  the likely source of the trap was.
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  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.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <bspIo.h>
+
+/*
+ *  bsp_spurious_handler
+ *
+ *  Print a message on the debug console and then die
+ */
+
+void bsp_spurious_handler_assistant(
+  rtems_vector_number,
+  CPU_Interrupt_frame *
+);
+
+#if defined(_C3x)
+rtems_isr bsp_spurious_handler(
+   rtems_vector_number  vector,
+   CPU_Interrupt_frame *isf
+)
+{
+  char *s;
+
+  printk( "Unexpected interrupt (0x%x)\n", vector );
+  printk( "It looks like we got the interrupt at 0x%x\n", isf->interrupted );
+
+  /*
+   *  Can we print a name?
+   */
+
+  s = 0;
+  if ( vector <= 0x1f ) {
+    switch ( vector ) {
+#if defined(_C30) || defined(_C31)
+      case 0:     s = "RESET";    break;
+#endif
+      case 1:     s = "INT0";     break;
+      case 2:     s = "INT1";     break;
+      case 3:     s = "INT2";     break;
+      case 4:     s = "INT3";     break;
+      case 5:     s = "XINT0";    break;
+      case 6:     s = "RINT0";    break;
+#if defined(_C30) || defined(_C31)
+      case 7:     s = "XINT1";    break;
+      case 8:     s = "RINT1";    break;
+#endif
+      case 9:     s = "TINT0";    break;
+      case 0x0a:  s = "TINT1";    break;
+      case 0x0b:  s = "DINT0";    break;
+#if defined(_C32)
+      case 0x0c:  s = "DINT1";    break;
+#endif
+      default:    s = "Reserved"; break;
+    }
+    printk( "Looks like it was an %s\n", s );
+  } else {
+    printk( "Looks like it was a TRAP%d\n", vector - 0x20 );
+#if defined(_C30) || defined(_C31)
+    if ( vector > 0x3B )
+      printk( "But TRAP27 - TRAP31 are reserved\n" );
+#endif
+  }
+
+  /*
+   *  Now call the BSP specific routine
+   */
+
+  bsp_spurious_handler_assistant( vector, isf );
+}
+#endif