From a8865f8b415788c4e9bb7f68e38d41aec0e485db Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 25 Jan 2016 10:20:28 +0100 Subject: 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. --- cpukit/score/cpu/m68k/rtems/score/cpu.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'cpukit/score/cpu/m68k') diff --git a/cpukit/score/cpu/m68k/rtems/score/cpu.h b/cpukit/score/cpu/m68k/rtems/score/cpu.h index 47a2d8edf5..8e0efa161f 100644 --- a/cpukit/score/cpu/m68k/rtems/score/cpu.h +++ b/cpukit/score/cpu/m68k/rtems/score/cpu.h @@ -99,7 +99,11 @@ extern "C" { #define CPU_PROVIDES_IDLE_THREAD_BODY TRUE #define CPU_STACK_GROWS_UP FALSE -#define CPU_STRUCTURE_ALIGNMENT __attribute__ ((aligned (4))) + +/* FIXME: Is this the right value? */ +#define CPU_CACHE_LINE_BYTES 16 + +#define CPU_STRUCTURE_ALIGNMENT RTEMS_ALIGNED( CPU_CACHE_LINE_BYTES ) /* * Define what is required to specify how the network to host conversion -- cgit v1.2.3