Check that a first-stage bootblock fits in a specified size - virtually

a copy of the alpha checksize.sh.

sys/arch/pmax/stand/common/checksize.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+# $NetBSD: checksize.sh,v 1.1 1999/11/27 06:55:04 simonb Exp $
+#
+# Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#      This product includes software developed by Christopher G. Demetriou
+#	for the NetBSD Project.
+# 4. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# four arguments:
+#	boot object with headers, to check bss size
+#	boot file (just text+data), to check load and total sizes
+#	maximum load size
+#	maximum total (load + bss) size
+
+progname=$0
+if [ $# != 3 ] || [ ! -f $1 ]; then
+	echo "usage: $progname bootfile maxload maxtotal" 1>&2
+	exit 1
+fi
+
+bootfile=$1
+maxloadsize=$2
+maxtotalsize=$3
+
+if [ "$SIZE" = "" ]; then
+	SIZE=size
+fi
+
+size_data=`$SIZE $bootfile`
+if [ $? != 0 ]; then
+	echo "$progname: couldn't get size of $bootfile" 2>&1
+	exit 1
+fi
+bss_size=`echo "$size_data" | awk ' NR == 2 { print $3 } '`
+
+load_size=`echo "$size_data" | awk ' NR == 2 { print $1 + $2 } '`
+
+echo -n "checking sizes for $bootfile... "
+
+if expr $load_size \> $maxloadsize >/dev/null 2>&1; then
+	echo "MAXIMUM LOAD SIZE EXCEEDED ($load_size > $maxloadsize)"
+	exit 1
+fi
+
+if expr $load_size + $bss_size \> $maxtotalsize >/dev/null 2>&1; then
+	echo "MAXIMUM TOTAL SIZE EXCEEDED ($load_size + $bss_size > $maxtotalsize)"
+	exit 1
+fi
+
+echo "OK - `expr $maxloadsize - $load_size` bytes free"
+exit 0