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/*
* C4X 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(_C4x)
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?
*/
printk( "Looks like it was a " );
if ( vector >= 0x0d && vector <= 0x24 ) {
switch ( vector & 0x3 ) {
case 1: s = "ICFULL"; break;
case 2: s = "ICRDY"; break;
case 3: s = "OCRDY"; break;
case 0: s = "OCEMPTY"; break;
}
printk( "%s%d\n", s, (vector - 0x0d) / 4 );
} else if ( vector >= 0x25 && vector <= 0x2a ) {
printk( "DMA INT%d\n", (vector - 0x25) );
} else /* if ( vector <= 0x0c || vector >= 0x2b ) */ {
switch ( vector ) {
case 0: s = "RESET"; break;
case 1: s = "NMI"; break;
case 2: s = "TINT0"; break;
case 3: s = "IIOF0"; break;
case 4: s = "IIOF1"; break;
case 5: s = "IIOF2"; break;
case 6: s = "IIOF3"; break;
case 0x2b: s = "TINT1"; break;
case 0x3f: s = "Reserved"; break;
default: s = "Unused"; break;
}
printk( "%s\n", s );
}
/*
* Now call the BSP specific routine
*/
bsp_spurious_handler_assistant( vector, isf );
}
#endif
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