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# SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2021 Nokia
#
##########################################################################
# Set ODP_CACHE_LINE_SIZE define
##########################################################################
# Currently used only for aarch64
if test "${ARCH_DIR}" = "aarch64"; then
cache_line_size=64
# Use default cache size if cross-compiling
if test $build = $host; then
cpu_implementer=""
cpu_part=""
AC_PROG_GREP
AC_PROG_SED
while read line; do
if echo $line | $GREP -q "CPU implementer"; then
cpu_implementer=`echo $line | $SED 's/.*\:\s*//'`
fi
if echo $line | $GREP -q "CPU part"; then
cpu_part=`echo $line | $SED 's/.*\:\s*//'`
fi
done < /proc/cpuinfo
# Cavium
if test "$cpu_implementer" == "0x43"; then
# ThunderX2 (0x0af) 64B, others 128B
if test "$cpu_part" == "0x0af"; then
cache_line_size=64;
else
cache_line_size=128;
fi
fi
fi
AC_DEFINE_UNQUOTED([_ODP_CACHE_LINE_SIZE], [$cache_line_size],
[Define cache line size])
fi
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