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| author | Florian Fainelli <florian@openwrt.org> | 2011-01-27 21:50:00 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2011-01-27 21:50:00 +0000 |
| commit | cc8228dbc62e7cbae4125bc6cd1e64768e8c2fa3 (patch) | |
| tree | 72583be7dab20c43cb98b74cb7ffafd965bad0da /target/linux/adm8668/image | |
| parent | a5adea5c2a9450805ecf9433cb2784fc6c5a8279 (diff) | |
| download | mtk-20170518-cc8228dbc62e7cbae4125bc6cd1e64768e8c2fa3.zip mtk-20170518-cc8228dbc62e7cbae4125bc6cd1e64768e8c2fa3.tar.gz mtk-20170518-cc8228dbc62e7cbae4125bc6cd1e64768e8c2fa3.tar.bz2 | |
fix firstboot with new MTD map driver
my-mkimage previously did not include the fs_mark of deadc0de because
upon formatting of jffs2 partition, U-Boot's CRC validation would not
allow the image to boot. This new MTD map will shrink the
kernel+rootfs+fs_mark image and recalculate the CRC, so that only the
kernel is part of the image validation. This also improves boot time,
since less is copied from FLASH->RAM. This is mostly from brcm47xx,
just with u-boot image vs TRX partitions.
Signed-off-by: Scott Nicholas <scott.nicholas@scottn.us>
SVN-Revision: 25176
Diffstat (limited to 'target/linux/adm8668/image')
| -rw-r--r-- | target/linux/adm8668/image/Makefile | 5 | ||||
| -rwxr-xr-x | target/linux/adm8668/image/my-mkimage | 42 |
2 files changed, 28 insertions, 19 deletions
diff --git a/target/linux/adm8668/image/Makefile b/target/linux/adm8668/image/Makefile index e9d183b..57b8d7b 100644 --- a/target/linux/adm8668/image/Makefile +++ b/target/linux/adm8668/image/Makefile @@ -16,11 +16,14 @@ define Image/Prepare $(MAKE) -C lzma-loader \ KDIR="$(KDIR)" \ clean compile + rm -f $(KDIR)/fs_mark + touch $(KDIR)/fs_mark + $(call prepare_generic_squashfs,$(KDIR)/fs_mark) endef define Image/Build ./my-mkimage $(KDIR)/loader.bin $(KDIR)/root.squashfs \ - $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin + $(KDIR)/fs_mark $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin endef $(eval $(call BuildImage)) diff --git a/target/linux/adm8668/image/my-mkimage b/target/linux/adm8668/image/my-mkimage index 7012d7b..7ed6666 100755 --- a/target/linux/adm8668/image/my-mkimage +++ b/target/linux/adm8668/image/my-mkimage @@ -1,26 +1,32 @@ #!/bin/sh # my-mkimage -# This will just pad the kernel partition to 64k boundary, then add rootfs. -# but we have to be fancy because u-boot mkimage is going to add 64 byte header. +# This will pad given files to 64k boundaries to make a single u-boot image. +# we have to be fancy because u-boot mkimage is going to add 64 byte header, ... +# and i only know basic arithmetic.. ;) # # Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us> +[ $# -lt 2 ] && { + echo usage: $0 loader.bin [rootfs.squashfs [fs_mark [...]]] output.bin +} -PATH_LOADER=$1 -PATH_ROOTFS=$2 -OUTPUT=$3 - -# todo - check arguments...? nah... -if [ -x $OUTPUT ]; then - echo usage: $0 loader.bin root.squashfs output.bin - exit -fi - -OLDSIZE=$(stat -c%s $PATH_LOADER) +OLDSIZE=$(stat -c%s $1) NEWSIZE=$(((OLDSIZE / 65536 + 1) * 65536 - 64)) -dd if=$PATH_LOADER of=vmlinuz.tmp bs=$NEWSIZE conv=sync -cat $PATH_ROOTFS >>vmlinuz.tmp -../../../../staging_dir/host/bin/mkimage -A mips -O linux -T kernel -C none -a 0x400000 -e 0x400000 -n "ADM8668 Linux Kernel(2.4.31)" -d vmlinuz.tmp $OUTPUT -rm vmlinuz.tmp +dd if=$1 of=vmlinuz.tmp bs=$NEWSIZE conv=sync >/dev/null 2>&1 +shift +appends=$(($# - 1)) +echo +while [ $appends -gt 0 ]; do + dd if=$1 of=temp bs=64k conv=sync >/dev/null 2>&1 + printf "### '%s' starts at 0x%x\n" "`basename $1`" "$((NEWSIZE+64))" + cat temp >>vmlinuz.tmp + shift + appends=$((appends-1)) + NEWSIZE=$(stat -c%s vmlinuz.tmp) +done +echo +../../../../staging_dir/host/bin/mkimage -A mips -O linux -T kernel \ +-C none -a 0x80400000 -e 0x80400000 -n "ADM8668 Linux Kernel(2.4.31)" \ +-d vmlinuz.tmp $1 -printf '\n\nOk done, now your squashfs starts on an erase boundary of %x :)\n\n' $((NEWSIZE+64)) +rm temp vmlinuz.tmp |