[rtems commit] sparc: Increase CPU_STRUCTURE_ALIGNMENT to 32

Sebastian Huber sebh at rtems.org
Thu Feb 13 08:58:16 UTC 2014


Module:    rtems
Branch:    master
Commit:    ece97542257442681b3acd05d2206034c0adf8bd
Changeset: http://git.rtems.org/rtems/commit/?id=ece97542257442681b3acd05d2206034c0adf8bd

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Feb 11 14:48:35 2014 +0100

sparc: Increase CPU_STRUCTURE_ALIGNMENT to 32

Recent LEON4 systems use a cache line size of 32 bytes.

---

 cpukit/score/cpu/sparc/rtems/score/cpu.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/cpukit/score/cpu/sparc/rtems/score/cpu.h b/cpukit/score/cpu/sparc/rtems/score/cpu.h
index 9706e45..7e54d22 100644
--- a/cpukit/score/cpu/sparc/rtems/score/cpu.h
+++ b/cpukit/score/cpu/sparc/rtems/score/cpu.h
@@ -211,7 +211,7 @@ extern "C" {
  * 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 (16)))
+#define CPU_STRUCTURE_ALIGNMENT          __attribute__ ((aligned (32)))
 
 #define CPU_TIMESTAMP_USE_INT64_INLINE TRUE
 




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