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-rwxr-xr-xtarget/linux/adm8668/image/my-mkimage42
1 files changed, 24 insertions, 18 deletions
diff --git a/target/linux/adm8668/image/my-mkimage b/target/linux/adm8668/image/my-mkimage
index 7012d7b975..7ed6666e79 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