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# ROM preparation for boards with Intel ICH9
#
# Copyright (C) 2015 Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
ich9_prepare_rom()
{
local mac=''
local rom_size=
dbg 'Generating FD and GbE flash regions for Intel ICH9'
# Get current MAC address.
for iface in /sys/class/net/*; do
[ "x$(cat "${iface}/device/vendor")" = 'x0x8086' ] || continue
[ "x$(cat "${iface}/device/device")" = 'x0x10f5' ] || continue
mac="$(cat "${iface}/address")"
break
done
# Ask for MAC address.
while :; do
mac="$(show_prompt 'Enter MAC address' "${mac}" 17)"
case "${mac}" in
*[!0-9a-zA-Z:]*)
continue
;;
??:??:??:??:??:??)
break
;;
esac
done
dbg 'MAC address: %s' "${mac}"
# Create temporary directory.
if ! mkdir "$(get_temp_dir)/ich9"; then
err 'Failed to create temporary directory'
return 1
fi
# Generate FD and GbE flash regions.
if ! (cd "$(get_temp_dir)/ich9" && \
${ICH9GEN} --macaddress "${mac}" >/dev/null 2>&1); then
err 'Failed to generate FD and GbE flash regions'
rm_temp 'ich9'
return 1
fi
# Detect ROM size.
case "$(wc -c "$(get_temp_dir)/rom" | cut -d ' ' -f 1)" in
4194304)
rom_size=4
;;
8388608)
rom_size=8
;;
*)
err 'Invalid ROM size'
rm_temp 'ich9'
return 1
;;
esac
# Insert FD and GbE flash regions into ROM.
if ! dd if="$(get_temp_dir)/ich9/ich9fdgbe_${rom_size}m.bin" \
of="$(get_temp_dir)/rom" bs=1 count=12k conv=notrunc
then
err 'Failed to insert FD and GbE flash regions into ROM'
rm_temp 'ich9'
return 1
fi
# Clean up.
rm_temp 'ich9'
return 0
}
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