[src/trunk]: src/sys/arch Define MAXPHYSMEM globally.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f2fcddb7f183
branches:  trunk
changeset: 824682:f2fcddb7f183
user:      maxv <maxv%NetBSD.org@localhost>
date:      Wed Jun 14 12:27:24 2017 +0000

description:
Define MAXPHYSMEM globally.

diffstat:

 sys/arch/amd64/include/param.h |   7 ++++++-
 sys/arch/i386/include/param.h  |  11 ++++++++++-
 sys/arch/x86/x86/x86_machdep.c |  18 ++++--------------
 3 files changed, 20 insertions(+), 16 deletions(-)

diffs (92 lines):

diff -r ff8902e0d768 -r f2fcddb7f183 sys/arch/amd64/include/param.h
--- a/sys/arch/amd64/include/param.h    Wed Jun 14 12:24:51 2017 +0000
+++ b/sys/arch/amd64/include/param.h    Wed Jun 14 12:27:24 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: param.h,v 1.21 2017/02/02 19:09:08 maxv Exp $  */
+/*     $NetBSD: param.h,v 1.22 2017/06/14 12:27:24 maxv Exp $  */
 
 #ifdef __x86_64__
 
@@ -30,6 +30,11 @@
 #define        MAXIOMEM        0xffffffffffff
 
 /*
+ * Maximum physical memory supported by the implementation.
+ */
+#define MAXPHYSMEM     0x100000000000ULL /* 16TB */
+
+/*
  * XXXfvdl change this (after bootstrap) to take # of bits from
  * config info into account.
  */
diff -r ff8902e0d768 -r f2fcddb7f183 sys/arch/i386/include/param.h
--- a/sys/arch/i386/include/param.h     Wed Jun 14 12:24:51 2017 +0000
+++ b/sys/arch/i386/include/param.h     Wed Jun 14 12:27:24 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: param.h,v 1.80 2017/01/20 00:29:28 maya Exp $  */
+/*     $NetBSD: param.h,v 1.81 2017/06/14 12:27:24 maxv Exp $  */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -67,6 +67,15 @@
 
 #define        MAXIOMEM        0xffffffff
 
+/*
+ * Maximum physical memory supported by the implementation.
+ */
+#ifdef PAE
+#define MAXPHYSMEM     0x1000000000ULL /* 64GB */
+#else
+#define MAXPHYSMEM     0x100000000ULL  /* 4GB */
+#endif
+
 #if defined(_KERNEL_OPT)
 #include "opt_kernbase.h"
 #endif /* defined(_KERNEL_OPT) */
diff -r ff8902e0d768 -r f2fcddb7f183 sys/arch/x86/x86/x86_machdep.c
--- a/sys/arch/x86/x86/x86_machdep.c    Wed Jun 14 12:24:51 2017 +0000
+++ b/sys/arch/x86/x86/x86_machdep.c    Wed Jun 14 12:27:24 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: x86_machdep.c,v 1.92 2017/06/14 08:12:22 maxv Exp $    */
+/*     $NetBSD: x86_machdep.c,v 1.93 2017/06/14 12:27:24 maxv Exp $    */
 
 /*-
  * Copyright (c) 2002, 2006, 2007 YAMAMOTO Takashi,
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: x86_machdep.c,v 1.92 2017/06/14 08:12:22 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: x86_machdep.c,v 1.93 2017/06/14 12:27:24 maxv Exp $");
 
 #include "opt_modular.h"
 #include "opt_physmem.h"
@@ -519,17 +519,7 @@
        phys_ram_seg_t *cluster;
        int i;
 
-#ifdef i386
-#ifdef PAE
-#define TOPLIMIT       0x1000000000ULL /* 64GB */
-#else
-#define TOPLIMIT       0x100000000ULL  /* 4GB */
-#endif
-#else
-#define TOPLIMIT       0x100000000000ULL /* 16TB */
-#endif
-
-       if (seg_end > TOPLIMIT) {
+       if (seg_end > MAXPHYSMEM) {
                aprint_verbose("WARNING: skipping large memory map entry: "
                    "0x%"PRIx64"/0x%"PRIx64"/0x%x\n",
                    seg_start, (seg_end - seg_start), type);
@@ -539,7 +529,7 @@
        /*
         * XXX: Chop the last page off the size so that it can fit in avail_end.
         */
-       if (seg_end == TOPLIMIT)
+       if (seg_end == MAXPHYSMEM)
                seg_end -= PAGE_SIZE;
 
        if (seg_end <= seg_start)