RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

arm: Use compiler memory barrier by default

Browse Source
This commit is contained in:
Sebastian Huber
2015-09-01 09:42:46 +02:00
parent 509e8d7f4d
commit 39e3e20140
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
cpukit/score/cpu/arm/rtems/score/cpu.h
View File

@@ -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
}