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authorSebastian Huber <sebastian.huber@embedded-brains.de>2016-01-25 10:20:28 +0100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2016-01-26 09:07:30 +0100
commita8865f8b415788c4e9bb7f68e38d41aec0e485db (patch)
treed7b70c608239be68c6476b0d9e9893e099ec8be6 /cpukit/score/cpu/nios2/rtems/score/cpu.h
parentscore: Add RTEMS_ALIGNED() (diff)
downloadrtems-a8865f8b415788c4e9bb7f68e38d41aec0e485db.tar.bz2
score: Introduce CPU_CACHE_LINE_BYTES
Add CPU_CACHE_LINE_BYTES for the maximum cache line size in bytes. The actual processor may use no cache or a smaller cache line size.
Diffstat (limited to 'cpukit/score/cpu/nios2/rtems/score/cpu.h')
-rw-r--r--cpukit/score/cpu/nios2/rtems/score/cpu.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/cpukit/score/cpu/nios2/rtems/score/cpu.h b/cpukit/score/cpu/nios2/rtems/score/cpu.h
index 4bd1fe73e9..1008865e48 100644
--- a/cpukit/score/cpu/nios2/rtems/score/cpu.h
+++ b/cpukit/score/cpu/nios2/rtems/score/cpu.h
@@ -64,7 +64,11 @@ extern "C" {
#define CPU_STACK_GROWS_UP FALSE
-#define CPU_STRUCTURE_ALIGNMENT __attribute__((section(".sdata"), aligned(32)))
+/* FIXME: Is this the right value? */
+#define CPU_CACHE_LINE_BYTES 32
+
+#define CPU_STRUCTURE_ALIGNMENT \
+ RTEMS_SECTION( ".sdata" ) RTEMS_ALIGNED( CPU_CACHE_LINE_BYTES )
#define CPU_BIG_ENDIAN FALSE