| FLASHPART = /dev/mtd0 |
| |
| %.update.sh: % |
| rm -f $@ |
| echo '#!/bin/sh' >>$@ |
| echo '' >>$@ |
| echo 'flashpart=$(FLASHPART)' >>$@ |
| echo 'newfw=${<F}' >>$@ |
| echo 'flashtmp=/tmp/flash.tmp' >>$@ |
| echo 'realsize='`cat $< | wc -c | awk '{print $$1}'` >>$@ |
| echo 'realmd5='`cat $< | md5sum | awk '{print $$1}'` >>$@ |
| echo '' >>$@ |
| echo 'getsize()' >>$@ |
| echo '{' >>$@ |
| echo " cat \$$1 | wc -c | awk '{print \$$1}'" >>$@ |
| echo '}' >>$@ |
| echo '' >>$@ |
| echo 'getmd5()' >>$@ |
| echo '{' >>$@ |
| echo " cat \$$1 | md5sum | awk '{print \$$1}'" >>$@ |
| echo '}' >>$@ |
| echo '' >>$@ |
| echo 'echo "$$0: Extracting $$newfw..."' >>$@ |
| echo 'uudecode > $$newfw <<EOF' >>$@ |
| cat $< | uuencode -m ${<F} >>$@ |
| echo 'EOF' >>$@ |
| echo '' >>$@ |
| echo 'if [ ! -e $$flashpart -o ! -e $$newfw ] ; then' >>$@ |
| echo ' echo Upgrade FAILED: files do not exist' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'echo "$$0: Checking $$newfw..."' >>$@ |
| echo 'filesize=$$(getsize $$newfw)' >>$@ |
| echo 'if [ $$filesize -ne $$realsize ] ; then' >>$@ |
| echo ' echo Upgrade FAILED: $$newfw should be size $$realsize' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'echo "$$0: Checking $$flashpart..."' >>$@ |
| echo 'flashsize=$$(getsize $$flashpart)' >>$@ |
| echo 'if [ $$filesize -gt $$flashsize ] ; then' >>$@ |
| echo ' echo Upgrade FAILED: $$flashpart too small for $$newfw' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'if [ $$(($$filesize * 2)) -lt $$flashsize ] ; then' >>$@ |
| echo ' echo Upgrade FAILED: $$newfw seems too small for $$flashpart... aborting' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'filemd5=$$(getmd5 $$newfw)' >>$@ |
| echo 'if [ "$$filemd5" != "$$realmd5" ] ; then' >>$@ |
| echo ' echo Upgrade FAILED: md5sum incorrect' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'dd if=$$flashpart bs=1 count=$$filesize of=$$flashtmp' >>$@ |
| echo 'if [ $$? -ne 0 ] ; then' >>$@ |
| echo ' echo Upgrade FAILED: could not read $$flashpart' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'flashmd5=$$(getmd5 $$flashtmp)' >>$@ |
| echo 'if [ "$$filemd5" == "$$flashmd5" ] ; then' >>$@ |
| echo ' echo $$flashpart already matches $$newfw, no upgrade necessary' >>$@ |
| echo ' exit 0' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'echo "$$0: Writing $$newfw to $$flashpart..."' >>$@ |
| echo '(sync && \' >>$@ |
| echo ' flash_eraseall $$flashpart && \' >>$@ |
| echo ' sleep 1 && \' >>$@ |
| echo ' cat $$newfw > $$flashpart && \' >>$@ |
| echo ' sleep 1) || \' >>$@ |
| echo ' (echo Upgrade FAILED, flash likely corrupt && exit 1)' >>$@ |
| echo '' >>$@ |
| echo 'echo "$$0: Verifying $$flashpart..."' >>$@ |
| echo 'dd if=$$flashpart bs=1 count=$$filesize of=$$flashtmp' >>$@ |
| echo 'if [ $$? -ne 0 ] ; then' >>$@ |
| echo ' echo Verify FAILED: could not read $$flashpart' >>$@ |
| echo ' exit 2' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'flashmd5=$$(getmd5 $$flashtmp)' >>$@ |
| echo 'if [ "$$filemd5" != "$$flashmd5" ] ; then' >>$@ |
| echo ' echo Verify FAILED: $$flashpart does not match $$newfw after write' >>$@ |
| echo ' exit 1' >>$@ |
| echo 'fi' >>$@ |
| echo '' >>$@ |
| echo 'echo Upgrade and verify successful' >>$@ |
| chmod a+rx $@ |
| |
