score: Add _CPU_Instruction_illegal()

On some architectures/simulators it is difficult to provoke an
exception with misaligned or illegal data loads.  Use an illegal
instruction instead.

Update #3433.

1 files changed, 5 insertions, 0 deletions

diff --git a/cpukit/score/cpu/sh/include/rtems/score/cpuimpl.h b/cpukit/score/cpu/sh/include/rtems/score/cpuimpl.h
index 5d8bd77161..78b87ef981 100644
--- a/cpukit/score/cpu/sh/include/rtems/score/cpuimpl.h
+++ b/cpukit/score/cpu/sh/include/rtems/score/cpuimpl.h
@@ -37,6 +37,11 @@ RTEMS_INLINE_ROUTINE void _CPU_Context_validate( uintptr_t pattern )
   }
 }
 
+RTEMS_INLINE_ROUTINE void _CPU_Instruction_illegal( void )
+{
+  __asm__ volatile ( ".word 0" );
+}
+
 RTEMS_INLINE_ROUTINE void _CPU_Instruction_no_operation( void )
 {
   __asm__ volatile ( "nop" );