Your Name
40 lines
1.3 KiB
Bash
Executable File
40 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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bus=14
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address=0x53
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offset=0x08
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biosversion=$(busctl get-property xyz.openbmc_project.Software.BMC.Updater /xyz/openbmc_project/software/bios_active xyz.openbmc_project.Software.Version Version)
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ret=$?
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if [ $ret != 0 ]; then
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echo "Failed to get BIOS version from dbus"
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exit 1
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fi
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biosversion=$(echo "$biosversion" |cut -d "\"" -f2)
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echo "BIOS version got from dbus:$biosversion"
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if [ "$biosversion" == "null" ]; then
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echo "BIOS version is null, skip"
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else
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tmp=$(i2ctransfer -y -f $bus w2@$address $offset 0x00 r32)
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for str in $tmp;do
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if [[ $str != 0x00 ]]; then
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str=$(printf "%d" "$str")
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version=$(echo "$str" | awk '{printf("%c", $str)}')
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version_str="$version_str$version"
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fi
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done
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echo "BIOS version got from epprom:$version_str"
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if [ "$biosversion" != "$version_str" ]; then
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for ((j=0;j < 32;j++));do
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hexArr[$j]=0
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done
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for ((i=0;i < 14;i++));do
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ver=${biosversion:$i:1}
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hexArr[$i]=$(printf "%d" "'$ver")
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done
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i2ctransfer -y -f $bus w34@$address $offset 0x00 "${hexArr[@]}"
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echo "Write BIOS version to epprom:${biosversion}"
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else
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echo "BIOS version same, skip writing BIOS version"
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fi
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fi
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