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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-09-01 09:42:46 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2015-09-01 10:00:13 +0200 |
commit | 35e0394165657495d4ee19fccdf46c0cebbbf2d3 (patch) | |
tree | c75e30541e0a8d7ca264fc43514965d879510195 | |
parent | rbtree: Delete rtems_rbtree_find_control() (diff) | |
download | rtems-35e0394165657495d4ee19fccdf46c0cebbbf2d3.tar.bz2 |
arm: Use compiler memory barrier by default
-rw-r--r-- | cpukit/score/cpu/arm/rtems/score/cpu.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/cpukit/score/cpu/arm/rtems/score/cpu.h b/cpukit/score/cpu/arm/rtems/score/cpu.h index 6aced79b3b..6ed6ef9a1f 100644 --- a/cpukit/score/cpu/arm/rtems/score/cpu.h +++ b/cpukit/score/cpu/arm/rtems/score/cpu.h @@ -8,7 +8,7 @@ * This include file contains information pertaining to the ARM * processor. * - * Copyright (c) 2009-2014 embedded brains GmbH. + * Copyright (c) 2009-2015 embedded brains GmbH. * * Copyright (c) 2007 Ray Xu <Rayx.cn@gmail.com> * @@ -301,6 +301,8 @@ static inline void _ARM_Data_memory_barrier( void ) { #ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS __asm__ volatile ( "dmb" : : : "memory" ); +#else + RTEMS_COMPILER_MEMORY_BARRIER(); #endif } @@ -308,6 +310,8 @@ static inline void _ARM_Data_synchronization_barrier( void ) { #ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS __asm__ volatile ( "dsb" : : : "memory" ); +#else + RTEMS_COMPILER_MEMORY_BARRIER(); #endif } @@ -315,6 +319,8 @@ static inline void _ARM_Instruction_synchronization_barrier( void ) { #ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS __asm__ volatile ( "isb" : : : "memory" ); +#else + RTEMS_COMPILER_MEMORY_BARRIER(); #endif } |