79 lines
2.7 KiB
Bash
79 lines
2.7 KiB
Bash
#!/bin/sh
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#
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# update_lang.sh - multi-language support script
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# Update secondary language in binary file.
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#
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# Config:
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if [ -z "$CONFIG_OK" ]; then eval "$(cat config.sh)"; fi
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if [ -z "$OBJCOPY" ]; then echo 'variable OBJCOPY not set!' >&2; exit 1; fi
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if [ -z "$CONFIG_OK" ] | [ $CONFIG_OK -eq 0 ]; then echo 'Config NG!' >&2; exit 1; fi
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#
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# Selected language:
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LNG=$1
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if [ -z "$LNG" ]; then LNG='cz'; fi
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#
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finish()
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{
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echo
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if [ "$1" = "0" ]; then
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echo "update_lang.sh finished with success" >&2
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else
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echo "update_lang.sh finished with errors!" >&2
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fi
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case "$-" in
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*i*) echo "press enter key" >&2; read ;;
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esac
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exit $1
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}
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echo "update_lang.sh started" >&2
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echo " selected language=$LNG" >&2
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echo -n " checking files..." >&2
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if [ ! -e text.sym ]; then echo "NG! file text.sym not found!" >&2; finish 1; fi
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if [ ! -e lang_$LNG.bin ]; then echo "NG! file lang_$LNG.bin not found!" >&2; finish 1; fi
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if [ ! -e firmware.bin ]; then echo "NG! file firmware.bin not found!" >&2; finish 1; fi
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echo "OK" >&2
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echo -n " checking symbols..." >&2
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#find symbol _SEC_LANG in section '.text'
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sec_lang=$(cat text.sym | grep -E "\b_SEC_LANG\b")
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if [ -z "$sec_lang" ]; then echo "NG!\n symbol _SEC_LANG not found!" >&2; finish 1; fi
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#find symbol _PRI_LANG_SIGNATURE in section '.text'
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pri_lang=$(cat text.sym | grep -E "\b_PRI_LANG_SIGNATURE\b")
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if [ -z "$pri_lang" ]; then echo "NG!\n symbol _PRI_LANG_SIGNATURE not found!" >&2; finish 1; fi
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echo "OK" >&2
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echo " calculating vars:" >&2
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#get pri_lang addres
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pri_lang_addr='0x'$(echo $pri_lang | cut -f1 -d' ')
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echo " pri_lang_addr =$pri_lang_addr" >&2
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#get addres and size
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sec_lang_addr='0x'$(echo $sec_lang | cut -f1 -d' ')
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sec_lang_size='0x'$(echo $sec_lang | cut -f2 -d' ')
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echo " sec_lang_addr =$sec_lang_addr" >&2
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echo " sec_lang_size =$sec_lang_size" >&2
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#calculate lang_table_addr (aligned to 256byte page)
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lang_table_addr=$((256*$((($sec_lang_addr + 255) / 256))))
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printf " lang_table_addr =0x%04x\n" $lang_table_addr >&2
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#calculate lang_table_size
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lang_table_size=$((256*$((($sec_lang_size - ($lang_table_addr - $sec_lang_addr))/256))))
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printf " lang_table_size =0x%04x (=%d bytes)\n" $lang_table_size $lang_table_size >&2
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#get lang_xx.bin file size
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lang_file_size=$(wc -c lang_$LNG.bin | cut -f1 -d' ')
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printf " lang_file_size =0x%04x (=%d bytes)\n" $lang_file_size $lang_file_size >&2
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if [ $lang_file_size -gt $lang_table_size ]; then echo "Lanaguage binary file size too big!" >&2; finish 1; fi
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echo "updating 'firmware.bin'..." >&2
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dd if=lang_$LNG.bin of=firmware.bin bs=1 seek=$lang_table_addr conv=notrunc 2>/dev/null
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#convert bin to hex
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echo "converting to hex..." >&2
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$OBJCOPY -I binary -O ihex ./firmware.bin ./firmware_$LNG.hex
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finish 0
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