From 1a50f164beb065f360fbddb76029607d6b099698 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 8 May 2007 14:52:52 +0200 Subject: add: Microblaze V5 exception handling --- cpu/microblaze/exception.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'cpu') diff --git a/cpu/microblaze/exception.c b/cpu/microblaze/exception.c index b135acbad9..87ecbeaa49 100644 --- a/cpu/microblaze/exception.c +++ b/cpu/microblaze/exception.c @@ -23,15 +23,16 @@ */ #include +#include void _hw_exception_handler (void) { int address = 0; int state = 0; /* loading address of exception EAR */ - __asm__ __volatile ("mfs %0,rear"::"r" (address):"memory"); + MFSEAR(address); /* loading excetpion state register ESR */ - __asm__ __volatile ("mfs %0,resr"::"r" (state):"memory"); + MFSESR(state); printf ("Hardware exception at 0x%x address\n", address); switch (state & 0x1f) { /* mask on exception cause */ case 0x1: @@ -49,6 +50,11 @@ void _hw_exception_handler (void) case 0x5: puts ("Divide by zero exception\n"); break; +#ifdef MICROBLAZE_V5 + case 0x1000: + puts ("Exception in delay slot\n"); + break; +#endif default: puts ("Undefined cause\n"); break; -- cgit v1.2.1