Module Name: src
Committed By: thorpej
Date: Thu Sep 3 22:56:11 UTC 2020
Modified Files:
src/sys/arch/alpha/include: param.h
Log Message:
Define COHERENCY_UNIT and CACHE_LINE_SIZE as 64, which is the primary cache
line size on EV6 / EV7. This is also the default MI fallback definition,
but now we're not relying on that value.
To generate a diff of this commit:
cvs rdiff -u -r1.45 -r1.46 src/sys/arch/alpha/include/param.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/alpha/include/param.h
diff -u src/sys/arch/alpha/include/param.h:1.45 src/sys/arch/alpha/include/param.h:1.46
--- src/sys/arch/alpha/include/param.h:1.45 Mon Jan 7 22:00:30 2019
+++ src/sys/arch/alpha/include/param.h Thu Sep 3 22:56:11 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: param.h,v 1.45 2019/01/07 22:00:30 jdolecek Exp $ */
+/* $NetBSD: param.h,v 1.46 2020/09/03 22:56:11 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -71,6 +71,13 @@
#endif
/*
+ * EV4 (21064) and EV5 (21164) have a 32-byte cache line size.
+ * EV6 (21264) and EV7 (21364) have a 64-byte cache line size.
+ */
+#define COHERENCY_UNIT 64
+#define CACHE_LINE_SIZE 64
+
+/*
* Constants related to network buffer management.
* MCLBYTES must be no larger than NBPG (the software page size), and,
* on machines that exchange pages of input or output buffers with mbuf
