first commit

This commit is contained in:
xiaolu
2013-09-05 22:28:47 +08:00
parent bbbf16db89
commit 33c7810e41
4 changed files with 183 additions and 1 deletions

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mkbootimg_tools
===============
Unpack and repack boot.img,support dtb (qcdt).
Unpack and repack boot.img,support dtb(qcdt dt.img).
xiaolu@xiaolu-ubuntu64:~/e330s$ mkboot recoveryksuamg5.img tmp
Unpack & decompress recoveryksuamg5.img to tmp
kernel : /home/xiaolu/work/initramfs/s4/e330s/tmp/zImage
ramdisk : /home/xiaolu/work/initramfs/s4/e330s/tmp/ramdisk.gz
page_size : 2048
base_addr : 0x00000000
kernel size : 6911360
kernel_addr : 0x00008000
ramdisk_size : 2685222
ramdisk_addr : 0x02000000
second_size : 0
second_addr : 0x00f00000
dtb_size : 1427456
tags_addr : 0x01e00000
cmdline : console=null androidboot.hardware=qcom user_debug=31 maxcpus=2 msm_rtb.filter=0x3F
Unpack completed.
xiaolu@xiaolu-ubuntu64:~/e330s$ mkboot recoveryksuamg5.img ksuamg5/ramdisk recovery.img
Repack recoveryksuamg5.img & ramdisk ksuamg5/ramdisk to recovery.img
kernel : /tmp/mkboot.WdWc/zImage
ramdisk : /tmp/mkboot.WdWc/ramdisk.gz
page_size : 2048
base_addr : 0x00000000
kernel size : 6911360
kernel_addr : 0x00008000
ramdisk_size : 2685222
ramdisk_addr : 0x02000000
second_size : 0
second_addr : 0x00f00000
dtb_size : 1427456
tags_addr : 0x01e00000
cmdline : console=null androidboot.hardware=qcom user_debug=31 maxcpus=2 msm_rtb.filter=0x3F
Kernel size: 6911360, new ramdisk size: 3426199, recovery.img: 11767808.
recovery.img has been created.
cleanup....

145
mkboot Executable file
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#!/bin/bash
#boot.img tools
trap "clean" 2 3 4
workdir=$(pwd)
mkbootimg_dtb=./mkbootimg_dtb
mkbootimg=./mkbootimg
C_H1="\033[1;32m"
C_CLEAR="\033[0;0m"
pout() {
printf "${C_H1}${*}${C_CLEAR}\n"
}
clean()
{
rm -rf /tmp/mkboot.*
pout "cleanup...."
exit
}
if [ $# -lt 2 ] || [ ! -f $1 ] || ([ ! -z $3 ] && [ ! -e $2 ]); then
pout "Not enough parameters or parameter error!\n"
pout "repack boot.img\n\t$(basename $0) [img] [ramdisk.gz or ramdisk dir] [newbootfile]"
pout "\t$(basename $0) boot.img ramdisk newboot.img"
pout "unpack boot.img & decompress ramdisk\n\t$(basename $0) [img] [output dir]"
pout "\t$(basename $0) boot.img boot20130905"
clean
fi
#If only two parameters, unpack boot.img.
if [ -z $3 ]; then
tempdir="$(readlink -f $2)"
rm -rf $tempdir
mkdir -p $tempdir
pout "Unpack & decompress $1 to $2"
else
tempdir=$(mktemp -d /tmp/mkboot.XXXX)
pout "Repack $1 & ramdisk $2 to $3"
fi
cp -f $1 $tempdir/
cd $tempdir
bootimg=$(basename $1)
offset=$(grep -abo ANDROID! $bootimg | cut -f 1 -d :)
[ -z $offset ] && clean
if [ $offset -gt 0 ]; then
dd if=$bootimg of=bootimg bs=$offset skip=1 2>/dev/null
bootimg=bootimg
fi
kernel_size=$(od -A n -D -j 8 -N 4 $bootimg | sed 's/ //g')
kernel_addr=0x$(od -A n -H -j 12 -N 4 $bootimg | sed 's/ //g')
base_addr=0x$(od -A n -h -j 14 -N 2 $bootimg | sed 's/ //g')0000
ramdisk_size=$(od -A n -D -j 16 -N 4 $bootimg | sed 's/ //g')
ramdisk_addr=0x$(od -A n -H -j 20 -N 4 $bootimg | sed 's/ //g')
second_size=$(od -A n -D -j 24 -N 4 $bootimg | sed 's/ //g')
second_addr=0x$(od -A n -H -j 28 -N 4 $bootimg | sed 's/ //g')
tags_addr=0x$(od -A n -H -j 32 -N 4 $bootimg | sed 's/ //g')
page_size=$(od -A n -D -j 36 -N 4 $bootimg | sed 's/ //g')
dtb_size=$(od -A n -D -j 40 -N 4 $bootimg | sed 's/ //g')
#dtb_addr=0x$(od -A n -H -j 44 -N 4 $bootimg | sed 's/ //g')
cmd_line=$(od -A n --strings -j 64 -N 512 $bootimg)
k_count=$(((kernel_size+page_size-1)/page_size))
r_count=$(((ramdisk_size+page_size-1)/page_size))
s_count=$(((second_size+page_size-1)/page_size))
d_count=$(((dtb_size+page_size-1)/page_size))
#k_offset=$page_size
#r_offset=$((k_offset+(n*page_size)))
#s_offset=$((r_offset+(m*page_size)))
#d_offset=$((s_offset+(o*page_size)))
k_offset=1
r_offset=$((k_offset+k_count))
s_offset=$((r_offset+r_count))
d_offset=$((s_offset+s_count))
dd if=$bootimg of=zImage_tmp bs=$page_size skip=$k_offset count=$k_count 2>/dev/null
dd if=zImage_tmp of=zImage bs=$kernel_size count=1 2>/dev/null
if [ -z $3 ]; then
dd if=$bootimg of=ramdisk_tmp bs=$page_size skip=$r_offset count=$r_count 2>/dev/null
dd if=ramdisk_tmp of=ramdisk.gz bs=$ramdisk_size count=1 2>/dev/null
fi
if [ $dtb_size -gt 0 ]; then
dd if=$bootimg of=dt.img_tmp bs=$page_size skip=$d_offset count=$d_count 2>/dev/null
dd if=dt.img_tmp of=dt.img bs=$dtb_size count=1 2>/dev/null
dt="$tempdir/dt.img"
fi
rm -f *_tmp $(basename $1) $bootimg
kernel="$tempdir/zImage"
ramdisk=$tempdir/ramdisk.gz
[ ! -f $kernel ] && clean
#print boot.img info
pout " kernel : $kernel"
pout " ramdisk : $ramdisk"
pout " page_size : $page_size"
pout " base_addr : $base_addr"
pout " kernel size : $kernel_size"
pout " kernel_addr : $kernel_addr"
pout " ramdisk_size : $ramdisk_size"
pout " ramdisk_addr : $ramdisk_addr"
pout " second_size : $second_size"
pout " second_addr : $second_addr"
if [ $dtb_size -gt 0 ]; then
pout " dtb_size : $dtb_size"
pout " tags_addr : $tags_addr"
fi
pout " cmdline : $cmd_line"
#decompression ramdisk.gz
if [ -z $3 ]; then
mkdir ramdisk
cd ramdisk
gzip -d -c ../ramdisk.gz | cpio -i -d -m --no-absolute-filenames 2>/dev/null
#Unpack Finish to exit.
pout "Unpack completed."
exit
fi
cd $workdir
ramdisk=$2
#if ramdisk is a directory,create ramdisk.gz
if [ -d $2 ]; then
cd $2
find . | cpio -R 0:0 -H newc -o 2>/dev/null | gzip > $tempdir/ramdisk.gz
ramdisksize=$(stat -c "%s" $tempdir/ramdisk.gz)
ramdisk="$tempdir/ramdisk.gz"
cd $workdir
fi
rm -f $3
if [ $dtb_size -gt 0 ]; then
$mkbootimg_dtb --kernel $kernel --ramdisk $ramdisk \
--base $base_addr --offset $ramdisk_addr \
--tags-addr $tags_addr --cmdline "$cmd_line" --dt $dt -o $3
else
$mkbootimg --kernel $kernel --ramdisk $ramdisk \
--base $base_addr --ramdiskaddr $ramdisk_addr \
--cmdline "$cmd_line" -o $3
fi
ramdisksize=$(stat -c "%s" $ramdisk)
bootsize=$(stat -c "%s" $3)
pout "Kernel size: $kernel_size, new ramdisk size: $ramdisksize, $(basename $3): $bootsize."
pout "$(basename $3) has been created."
clean

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mkbootimg Executable file

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mkbootimg_dtb Executable file

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