From 3a646426aa421ab3e229ec483d8b29f2f56c29ac Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 19 Jul 2018 12:53:34 +0200 Subject: 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. --- cpukit/score/cpu/sh/include/rtems/score/cpuimpl.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'cpukit/score/cpu/sh/include') 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" ); -- cgit v1.2.3