mirror of
https://github.com/xiaolu/mkbootimg_tools.git
synced 2026-04-09 15:02:31 +02:00
Add more compression formats for ramdisk.
This commit is contained in:
xiaolu
125
mkboot
125
mkboot
@@ -37,6 +37,28 @@ clean()
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exit
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}
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unpack_complete()
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{
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[ ! -z $format ] && echo format=$format >> ../img_info
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pout "Unpack completed."
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exit
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}
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zip_command()
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{
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if [ "$1" == lzop ]; then
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zcommand="lzop -n -f -9"
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elif [ "$1" == lz4 ]; then
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zcommand="lz4 -f -9"
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elif [ "$1" == lzma ]; then
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zcommand="lzma -f -c"
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elif [ "$1" == xz ]; then
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zcommand="xz -f -c"
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else
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zcommand="gzip -n -f"
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fi
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}
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usage()
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{
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pout "<Unpack and repack boot.img tool>"
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@@ -51,6 +73,7 @@ usage()
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print_info()
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{
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[ ! -z "$board" ] && pout " board : $board"
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pout " kernel : $kernel"
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pout " ramdisk : $ramdisk"
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pout " page size : $page_size"
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@@ -72,13 +95,13 @@ print_info()
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mkboot_img()
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{
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error=0
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if [ $dtb_size -gt 0 ]; then
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dtb="--dt ${dt}"
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fi
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$mkbootimg --kernel $kernel --ramdisk $ramdisk \
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[ $dtb_size -gt 0 ] && dtb="--dt ${dt}"
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$mkbootimg --kernel $kernel --ramdisk $ramdisk --board "$board" \
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--base $base_addr --ramdisk_offset $ramdisk_offset \
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--tags_offset $tags_offset --cmdline "$cmd_line" \
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--pagesize $page_size $dtb -o $1 || error=1
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[ $error -eq 1 ] && return $error
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ramdisk_size=$(stat -c "%s" $ramdisk)
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boot_size=$(stat -c "%s" $1)
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@@ -113,19 +136,21 @@ if [ ! -z $mkboot_from_dir ]; then
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fi
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[ -z $dtb_size ] && dtb_size=0
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if [ -d $ramdisk ]; then
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#cd $ramdisk
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#find . | cpio -R 0:0 -H newc -o 2>/dev/null | gzip > $unpacked_dir/new_ramdisk.gz
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$mkbootfs $ramdisk | gzip > new_ramdisk.gz
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ramdisk=new_ramdisk.gz
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[ -z $format ] && format=gzip
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zip_command $format
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#cd $ramdisk; find . | fakeroot cpio -R 0:0 -H newc -o 2>/dev/null \
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# | $zcommand > $unpacked_dir/new_ramdisk; cd $unpacked_dir
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$mkbootfs $ramdisk | $zcommand > new_ramdisk
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ramdisk=new_ramdisk
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ramdisk_size=$(stat -c "%s" $ramdisk)
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fi
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#cd $unpacked_dir
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print_info
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pout "ramdisk is $format format."
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rm -f $new_img
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mkboot_img $new_img || perr "Make boot.img Error! pls check img_info file."
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#pout "Add SEANDROIDENFORCE tag."
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#printf SEANDROIDENFORCE >> $new_img
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rm -f new_ramdisk.gz
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rm -f new_ramdisk
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clean
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fi
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@@ -167,7 +192,10 @@ ramdisk_size=$(od -A n -D -j 16 -N 4 $bootimg | sed 's/ //g')
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second_size=$(od -A n -D -j 24 -N 4 $bootimg | sed 's/ //g')
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page_size=$(od -A n -D -j 36 -N 4 $bootimg | sed 's/ //g')
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dtb_size=$(od -A n -D -j 40 -N 4 $bootimg | sed 's/ //g')
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cmd_line=$(od -A n --strings -j 64 -N 512 $bootimg)
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#cmd_line=$(od -A n --strings -j 64 -N 512 $bootimg)
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#board=$(od -A n --strings -j 48 -N 16 $bootimg)
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cmd_line=$(od -A n -S1 -j 64 -N 512 $bootimg)
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board=$(od -A n -S1 -j 48 -N 16 $bootimg)
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base_addr=$((kernel_addr-0x00008000))
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kernel_offset=$((kernel_addr-base_addr))
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@@ -190,12 +218,12 @@ r_offset=$((k_offset+k_count))
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s_offset=$((r_offset+r_count))
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d_offset=$((s_offset+s_count))
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#zImage
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dd if=$bootimg of=zImage_tmp bs=$page_size skip=$k_offset count=$k_count 2>/dev/null
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dd if=zImage_tmp of=zImage bs=$kernel_size count=1 2>/dev/null
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#ramdisk.gz
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#kernel
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dd if=$bootimg of=kernel_tmp bs=$page_size skip=$k_offset count=$k_count 2>/dev/null
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dd if=kernel_tmp of=kernel bs=$kernel_size count=1 2>/dev/null
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#ramdisk.packed
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dd if=$bootimg of=ramdisk_tmp bs=$page_size skip=$r_offset count=$r_count 2>/dev/null
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dd if=ramdisk_tmp of=ramdisk.gz bs=$ramdisk_size count=1 2>/dev/null
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dd if=ramdisk_tmp of=ramdisk.packed bs=$ramdisk_size count=1 2>/dev/null
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#dtb
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if [ $dtb_size -gt 0 ]; then
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dd if=$bootimg of=dt.img_tmp bs=$page_size skip=$d_offset count=$d_count 2>/dev/null
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@@ -207,42 +235,53 @@ if [ $dtb_size -gt 0 ]; then
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fi
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rm -f *_tmp $(basename $1) $bootimg
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kernel=zImage
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kernel=kernel
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ramdisk=ramdisk
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[ ! -s $kernel ] && clean
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#print boot.img info
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print_info
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#write info to img_info,decompression ramdisk.gz
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printf "kernel=zImage\nramdisk=ramdisk\n${dt_name}page_size=$page_size\n\
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#write info to img_info,decompression ramdisk.packed
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printf "kernel=kernel\nramdisk=ramdisk\n${dt_name}page_size=$page_size\n\
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kernel_size=$kernel_size\nramdisk_size=$ramdisk_size\n${dt_size}base_addr=$base_addr\nkernel_offset=$kernel_offset\n\
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ramdisk_offset=$ramdisk_offset\ntags_offset=$tags_offset\ncmd_line=\"$cmd_line\"\n" > img_info
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ramdisk_offset=$ramdisk_offset\ntags_offset=$tags_offset\ncmd_line=\"$cmd_line\"\nboard=\"$board\"\n" > img_info
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mkdir ramdisk
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cd ramdisk
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gzip -t ../ramdisk.gz
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if [ $? -gt 0 ]; then
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lzma -t ../ramdisk.gz
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if [ $? -gt 0 ]; then
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#try lz4
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$tooldir/lz4 -d ../ramdisk.gz ../ramdisk.cpio
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if [ $? -gt 0 ]; then
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pout "ramdisk is unknown format,can't unpack ramdisk"
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rm ../ramdisk.cpio
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else
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pout "ramdisk is lz4 format."
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cpio -i -d -m --no-absolute-filenames 2>/dev/null < ../ramdisk.cpio
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fi
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else
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pout "ramdisk is lzma format."
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lzma -d -c ../ramdisk.gz | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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fi
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else
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gzip -t ../ramdisk.packed 2>/dev/null
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if [ $? -eq 0 ]; then
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pout "ramdisk is gzip format."
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gzip -d -c ../ramdisk.gz | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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format=gzip
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gzip -d -c ../ramdisk.packed | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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unpack_complete
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fi
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#Unpack Finish to exit.
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pout "Unpack completed."
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exit
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lzma -t ../ramdisk.packed 2>/dev/null
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if [ $? -eq 0 ]; then
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pout "ramdisk is lzma format."
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format=lzma
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lzma -d -c ../ramdisk.packed | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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unpack_complete
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fi
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xz -t ../ramdisk.packed 2>/dev/null
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if [ $? -eq 0 ]; then
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pout "ramdisk is xz format."
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format=xz
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xz -d -c ../ramdisk.packed | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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unpack_complete
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fi
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lzop -t ../ramdisk.packed 2>/dev/null
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if [ $? -eq 0 ]; then
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pout "ramdisk is lzo format."
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format=lzop
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lzop -d -c ../ramdisk.packed | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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unpack_complete
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fi
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$tooldir/lz4 -d ../ramdisk.packed 2>/dev/null | cpio -i -d -m --no-absolute-filenames 2>/dev/null
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if [ $? -eq 0 ]; then
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pout "ramdisk is lz4 format."
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format=lz4
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else
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pout "ramdisk is unknown format,can't unpack ramdisk"
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fi
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unpack_complete
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