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[src/trunk]: src/sys/arch/i386/include The i386 page size is fixed -- overrid...



details:   https://anonhg.NetBSD.org/src/rev/49c2c5e8d1a5
branches:  trunk
changeset: 499204:49c2c5e8d1a5
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Tue Nov 14 18:01:54 2000 +0000

description:
The i386 page size is fixed -- override PAGE_SIZE, et al, so that they
are compile-time constants.

diffstat:

 sys/arch/i386/include/vmparam.h |  10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diffs (24 lines):

diff -r 202552669189 -r 49c2c5e8d1a5 sys/arch/i386/include/vmparam.h
--- a/sys/arch/i386/include/vmparam.h   Tue Nov 14 17:15:51 2000 +0000
+++ b/sys/arch/i386/include/vmparam.h   Tue Nov 14 18:01:54 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vmparam.h,v 1.38 2000/11/09 17:34:52 kim Exp $ */
+/*     $NetBSD: vmparam.h,v 1.39 2000/11/14 18:01:54 thorpej Exp $     */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -46,6 +46,14 @@
  */
 
 /*
+ * Page size on the IA-32 is not variable in the traditional sense.
+ * We override the PAGE_* definitions to compile-time constants.
+ */
+#define        PAGE_SHIFT      12
+#define        PAGE_SIZE       (1 << PAGE_SHIFT)
+#define        PAGE_MASK       (PAGE_SIZE - 1)
+
+/*
  * Virtual address space arrangement. On 386, both user and kernel
  * share the address space, not unlike the vax.
  * USRTEXT is the start of the user text/data space, while USRSTACK



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