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#!/bin/bash
#
# Copyright (C) 2014 by Michael Olbrich <m.olbrich@pengutronix.de>
#
# See CREDITS for details about who has contributed to this project.
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
ptxd_make_dts_dtb() {
local dts tmp_dts deps tmp_deps dtc_include no_linemarker
case "${dts_dts}" in
/*)
if [ ! -e "${dts_dts}" ]; then
ptxd_bailout "Device-tree '${dts_dts}' not found."
fi
dts="${dts_dts}"
;;
*)
if ! ptxd_in_path dts_path "${dts_dts}"; then
ptxd_bailout "Device-tree '${dts_dts}' not found in '${dts_path}'."
fi
dts="${ptxd_reply}"
;;
esac
if dtc -h 2>&1 | grep -q '^[[:space:]]\+-i\(,.*\)\?$'; then
dtc_include="-i $(dirname "${dts}") -i ${dts_kernel_dir}/arch/${dts_kernel_arch}/boot/dts"
tmp_dts="${ptx_state_dir}/$(basename "${dts}").tmp"
no_linemarker=""
else
# the support for "#line ..." was added in the same relase when -i
# was added. So we add -P only if -i is not supported.
tmp_dts="${dts}.tmp"
no_linemarker="-P"
fi &&
deps="${ptx_state_dir}/dtc.$(basename "${dts}").deps"
tmp_deps="${PTXDIST_TEMPDIR}/dtc.$(basename "${dts}").deps"
echo "CPP $(ptxd_print_path "${tmp_dts}")" &&
cpp \
-Wp,-MD,${tmp_deps} \
-Wp,-MT,${tmp_dts} \
-nostdinc \
${no_linemarker} \
-I$(dirname "${dts}") \
-I${dts_kernel_dir}/arch/${dts_kernel_arch}/boot/dts \
-I${dts_kernel_dir}/arch/${dts_kernel_arch}/boot/dts/include \
-I${dts_kernel_dir}/drivers/of/testcase-data \
-I${dts_kernel_dir}/include \
-undef -D__DTS__ -x assembler-with-cpp \
-o ${tmp_dts} \
${dts} &&
sed -e "s;^${tmp_dts}:;${dts_dtb}:;" \
-e 's;^ \([^ ]*\); $(wildcard \1);' "${tmp_deps}" > "${deps}" &&
echo "DTC $(ptxd_print_path "${dts_dtb}")" &&
dtc \
$(ptxd_get_ptxconf PTXCONF_DTC_EXTRA_ARGS) \
${dtc_include} \
-d "${tmp_deps}" \
-I dts -O dtb -b 0 \
-o "${dts_dtb}" "${tmp_dts}" &&
awk '{ \
printf "%s", $1 ; \
for (i = 2; i <= NF; i++) { \
printf " $(wildcard %s)", $i; \
}; \
print "" \
}' "${tmp_deps}" >> "${deps}" ||
ptxd_bailout "Unable to generate dtb file."
}
export -f ptxd_make_dts_dtb
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