diff options
Diffstat (limited to 'cpukit/score/cpu/sparc/rtems/score/cpu.h')
| -rw-r--r-- | cpukit/score/cpu/sparc/rtems/score/cpu.h | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/cpukit/score/cpu/sparc/rtems/score/cpu.h b/cpukit/score/cpu/sparc/rtems/score/cpu.h index 9b4db13b96..4170cb9946 100644 --- a/cpukit/score/cpu/sparc/rtems/score/cpu.h +++ b/cpukit/score/cpu/sparc/rtems/score/cpu.h @@ -210,17 +210,10 @@ extern "C" { */ #define CPU_STACK_GROWS_UP FALSE -/** - * The following is the variable attribute used to force alignment - * of critical data structures. On some processors it may make - * sense to have these aligned on tighter boundaries than - * the minimum requirements of the compiler in order to have as - * much of the critical data area as possible in a cache line. - * - * The SPARC does not appear to have particularly strict alignment - * requirements. This value was chosen to take advantages of caches. - */ -#define CPU_STRUCTURE_ALIGNMENT __attribute__ ((aligned (32))) +/* FIXME: Is this the right value? */ +#define CPU_CACHE_LINE_BYTES 32 + +#define CPU_STRUCTURE_ALIGNMENT RTEMS_ALIGNED( CPU_CACHE_LINE_BYTES ) /** * Define what is required to specify how the network to host conversion |