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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-02-19 13:52:41 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-02-21 09:38:54 +0100 |
| commit | 47d6013417c63115356042695e7125ecfcfe4696 (patch) | |
| tree | e45e767e2d794cbd7ab5d0932aba9d38dfc22e87 /cpukit/score/cpu/powerpc/rtems/score/cpu.h | |
| parent | score: _Thread_Start_multitasking() (diff) | |
| download | rtems-47d6013417c63115356042695e7125ecfcfe4696.tar.bz2 | |
score: _CPU_SMP_Get_current_processor()
Remove RTEMS_COMPILER_PURE_ATTRIBUTE from _SMP_Get_current_processor()
and all _CPU_SMP_Get_current_processor(). Make inline ASM statements
volatile again. Test smptests/smpmigration01 showed that GCC optimizes
too much otherwise.
Diffstat (limited to 'cpukit/score/cpu/powerpc/rtems/score/cpu.h')
| -rw-r--r-- | cpukit/score/cpu/powerpc/rtems/score/cpu.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/cpukit/score/cpu/powerpc/rtems/score/cpu.h b/cpukit/score/cpu/powerpc/rtems/score/cpu.h index 5e9e5f9949..4e6fc74587 100644 --- a/cpukit/score/cpu/powerpc/rtems/score/cpu.h +++ b/cpukit/score/cpu/powerpc/rtems/score/cpu.h @@ -1036,13 +1036,12 @@ void _CPU_Context_validate( uintptr_t pattern ); #ifdef RTEMS_SMP uint32_t _CPU_SMP_Initialize( uint32_t configured_cpu_count ); - RTEMS_COMPILER_PURE_ATTRIBUTE static inline uint32_t - _CPU_SMP_Get_current_processor( void ) + static inline uint32_t _CPU_SMP_Get_current_processor( void ) { uint32_t pir; /* Use Book E Processor ID Register (PIR) */ - __asm__ ( + __asm__ volatile ( "mfspr %[pir], 286" : [pir] "=&r" (pir) ); |