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#/bin/sh
############################################################################
# arch/z80/src/mkhpbase.sh
#
# Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# 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. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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
# COPYRIGHT OWNER OR CONTRIBUTORS 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.
#
############################################################################
#
# This script supports dynamic sizing of HEAP when building with the SDCC
# toolchain. This script adds up the size of each section of the program.
# This does not account for the alignment of the _CODE area to 0x0100 (hence
# the fudge factor 196 is added).
#
# -- There must be a better way! ---
#
#set -x
MAPFILE=pass1.map
# Verify that pass1.map exists
if [ -e ${MAPFILE} ]; then
# The map file exists, get a list of the sizes of each section
# This works for SDCC 2.7.0
list=`cat ${MAPFILE} | grep "bytes" | sed -e 's/[ \t][ \t]*/ /g' | cut -d' ' -f3`
# If this is SDCC version 2.6.0, then the list will be empty
if [ -z "${list}" ]; then
# This works for SDCC 2.6.0
list=`cat ${MAPFILE} | grep "SIZE" | sed -e 's/[ \t][ \t]*/ /g' | cut -d' ' -f3`
fi
# Did we successfully create the list of section sizes?
if [ ! -z "${list}" ]; then
unset result
first=yes
# Examine each size in the list
for size in ${list}; do
# Skip over zero-length sizes
if [ "${size}" != "0000" ]; then
# Each hex size must be prefixed with "0x". The
# First size must also include a left parenthesis
if [ -z "$first" ]; then
result="${result} + 0x${size}"
else
result="(0x${size}"
unset first
fi
fi
done
# Add a fudge factor to guarantee no overlap between the code and
# the heap and close the expression with a left parenthesis
echo "${result} + 196)"
else
# We could not parse the map file. Try to generate some meaningful error
echo "#\"Makefile: Could not parse map file\""
exit 1
fi
else
# pass1.map does not yet exist. In this case, just output a valid, default heap size
echo "(UP_HEAP1_END - 8192)"
fi
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