From b74353ef9cadda401f7637beeb56f7f8a2092a43 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Fri, 20 Jul 2018 08:06:46 +0200 Subject: score: Add _CPU_Instruction_no_operation() This helps to reduce the use of architecture-specific defines throughout the code base. --- cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'cpukit/score/cpu/no_cpu/include/rtems/score') diff --git a/cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h b/cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h index 1e970cb11d..c13180a06d 100644 --- a/cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h +++ b/cpukit/score/cpu/no_cpu/include/rtems/score/cpuimpl.h @@ -104,6 +104,16 @@ void _CPU_Context_volatile_clobber( uintptr_t pattern ); */ void _CPU_Context_validate( uintptr_t pattern ); +/** + * @brief Emits a no operation instruction (nop). + * + * This function is used only in test sptests/spcache01. + */ +RTEMS_INLINE_ROUTINE void _CPU_Instruction_no_operation( void ) +{ + __asm__ volatile ( "nop" ); +} + #ifdef __cplusplus } #endif -- cgit v1.2.3