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[src/trunk]: src/sys/arch/sparc/include provide the max page size for userland
details: https://anonhg.NetBSD.org/src/rev/f22709ba124e
branches: trunk
changeset: 840203:f22709ba124e
user: christos <christos%NetBSD.org@localhost>
date: Wed Mar 27 19:01:44 2019 +0000
description:
provide the max page size for userland
diffstat:
sys/arch/sparc/include/vmparam.h | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diffs (40 lines):
diff -r ad17dc23c1d5 -r f22709ba124e sys/arch/sparc/include/vmparam.h
--- a/sys/arch/sparc/include/vmparam.h Wed Mar 27 18:41:18 2019 +0000
+++ b/sys/arch/sparc/include/vmparam.h Wed Mar 27 19:01:44 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmparam.h,v 1.43 2013/01/07 16:59:18 chs Exp $ */
+/* $NetBSD: vmparam.h,v 1.44 2019/03/27 19:01:44 christos Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -62,18 +62,25 @@
#define PAGE_SHIFT_SUN4 13
#define PAGE_SHIFT_SUN4CM 12
-#define MIN_PAGE_SIZE (1 << PAGE_SHIFT_SUN4CM)
-#define MAX_PAGE_SIZE (1 << PAGE_SHIFT_SUN4)
+#define MAX_PAGE_SHIFT PAGE_SHIFT_SUN4
+#define MIN_PAGE_SHIFT PAGE_SHIFT_SUN4CM
+
+#define MIN_PAGE_SIZE (1 << MIN_PAGE_SHIFT)
+#define MAX_PAGE_SIZE (1 << MAX_PAGE_SHIFT)
#if CPU_NTYPES != 0 && !defined(SUN4)
#define PAGE_SHIFT PAGE_SHIFT_SUN4CM
-#define PAGE_SIZE (1 << PAGE_SHIFT)
-#define PAGE_MASK (PAGE_SIZE - 1)
#elif CPU_NTYPES == 1 && defined(SUN4)
#define PAGE_SHIFT PAGE_SHIFT_SUN4
+#elif defined(_KERNEL)
+#error "Cannot determine page size"
+#else
+/* Default to max for userland */
+#define PAGE_SHIFT MAX_PAGE_SHIFT
+#endif
+
#define PAGE_SIZE (1 << PAGE_SHIFT)
#define PAGE_MASK (PAGE_SIZE - 1)
-#endif
/*
* USRSTACK is the top (end) of the user stack.
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