From a8865f8b415788c4e9bb7f68e38d41aec0e485db Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
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/i386/rtems/score/cpu.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cpukit/score/cpu/i386/rtems')

diff --git a/cpukit/score/cpu/i386/rtems/score/cpu.h b/cpukit/score/cpu/i386/rtems/score/cpu.h
index 8a495972e3..5a8e5d6cb3 100644
--- a/cpukit/score/cpu/i386/rtems/score/cpu.h
+++ b/cpukit/score/cpu/i386/rtems/score/cpu.h
@@ -100,6 +100,10 @@ extern "C" {
 #endif /* __SSE__ */
 
 #define CPU_STACK_GROWS_UP               FALSE
+
+/* FIXME: The Pentium 4 used 128 bytes, it this processor still relevant? */
+#define CPU_CACHE_LINE_BYTES 64
+
 #define CPU_STRUCTURE_ALIGNMENT
 
 /*
-- 
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