Merge pull request #7 from ModdingMyMind/master
There are images which do not use the standard mkbootimg.c. To rectify this problem I have added support for such images. This update is specific to ARM but definitely check it out. See README.md for a sample of what it looks like.
This commit is contained in:
xiaolu
commit
00c01d9d54
@ -1,8 +1,60 @@
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Original Source Modified By:
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Modding.MyMind XDA
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Modding.MyMind XDA \
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ModdingMyMind AF
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Built to be used on Arm devices.
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Move the bash binary to /system/xbin.
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The rest must remain in the project folder
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The rest must remain in the project folder.
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### Unpack Boot.img or Recovery.img:
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root@android:/data/local/tmp/mkbootimg_tool/ARM # ./mkboot recovery_stock.img recoveryfolder
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Unpack & decompress recovery_stock.img to recoveryfolder
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****** WARNING ******* WARNING ******* WARNING ******
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This image is built using NON-standard mkbootimg!
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BASE is 0x001fff00
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KERNEL_OFFSET is 0x00408100
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RAMDISK_OFFSET is 0x00100100
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SECOND_OFFSET is 0x00d00100
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You can modify mkbootimg.c with the above value(s)
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****** WARNING ******* WARNING ******* WARNING ******
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kernel : zImage
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ramdisk : ramdisk
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page size : 2048
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kernel size : 6597520
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ramdisk size : 3141533
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base : 0x001fff00
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kernel offset : 0x00408100
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ramdisk offset : 0x00100100
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second_offset : 0x00d00100
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tags offset : 0x00000100
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cmd line : vmalloc=384M mem=2044m@0x200000 psci=enable mmcparts=mmcblk0:p1(vrl),p2(vrl_backup),p7(modemnvm_factory),p18(splash),p22(dfx),p23(modemnvm_backup),p24(modemnvm_img),p25(modemnvm_system),p26(modem),p27(modem_dsp),p28(modem_om),p29(modemnvm_update),p30(3rdmodem),p31(3rdmodemnvm),p32(3rdmodemnvmbkp)
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ramdisk is gzip format.
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Unpack completed.
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root@android:/data/local/tmp/mkbootimg_tools-master/ARM #
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### Repack Boot.img or Recovery.img:
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root@android:/data/local/tmp/mkbootimg_tools-master # ./mkboot recoveryfolder recovery_stock.img
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mkbootimg from recoveryfolder/img_info.
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kernel : zImage
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ramdisk : new_ramdisk.gz
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page size : 2048
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kernel size : 6597520
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ramdisk size : 3142833
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base : 0x001fff00
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kernel offset : 0x00408100
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ramdisk offset : 0x00100100
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tags offset : 0x00000100
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cmd line : vmalloc=384M mem=2044m@0x200000 psci=enable mmcparts=mmcblk0:p1(vrl),p2(vrl_backup),p7(modemnvm_factory),p18(splash),p22(dfx),p23(modemnvm_backup),p24(modemnvm_img),p25(modemnvm_system),p26(modem),p27(modem_dsp),p28(modem_om),p29(modemnvm_update),p30(3rdmodem),p31(3rdmodemnvm),p32(3rdmodemnvmbkp)
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Kernel size: 6597520, new ramdisk size: 3142833, recovery_stock.img: 9744384.
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recovery_stock.img has been created.
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...
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root@android:/data/local/tmp/mkbootimg_tools-master #
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94
ARM/mkboot
94
ARM/mkboot
@ -153,7 +153,7 @@ if [ -e $2 ]; then
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fi
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tempdir=$2
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mkdir -p "$tempdir"
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pout "Unpack & decompress $1 to $2"
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pout "\nUnpack & decompress $1 to $2"
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#get boot.img info
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cp -f $1 $tempdir/
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@ -184,11 +184,84 @@ ramdisk_offset=$((ramdisk_addr-base_addr))
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second_offset=$((second_addr-base_addr))
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tags_offset=$((tags_addr-base_addr))
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#########################################################
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non_standard_base=$((tags_addr-0x00000100)) # Need this to get the TRUE Base Address
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non_standard_base_addr=$(printf "0x%08x" $non_standard_base)
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base_addr_verify=$(printf "0x%08x" $base_addr)
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base_addr=$(printf "0x%08x" $base_addr)
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kernel_offset=$(printf "0x%08x" $kernel_offset)
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ramdisk_offset=$(printf "0x%08x" $ramdisk_offset)
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second_offset=$(printf "0x%08x" $second_offset)
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tags_offset=$(printf "0x%08x" $tags_offset)
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if [ $base_addr == $non_standard_base ]; then
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base_addr=$(printf "0x%08x" $base_addr)
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else
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base_addr=$(printf "0x%08x" $non_standard_base_addr)
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fi
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# Accurate offsets used on images with non standard mkbootimg.c
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kernel_offset_ns=$((kernel_addr-non_standard_base))
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ramdisk_offset_ns=$((ramdisk_addr-non_standard_base))
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second_offset_ns=$((second_addr-non_standard_base))
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tags_offset_ns=$((tags_addr-non_standard_base))
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# Do the Offsets match with the Base Address for standard mkbootimg.c?
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kernel_offset_s=$((kernel_addr-0x00008000))
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ramdisk_offset_s=$((ramdisk_addr-0x01000000))
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second_offset_s=$((second_addr-0x00f00000))
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tags_offset_s=$((tags_addr-0x00000100))
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if [ $non_standard_base -eq $kernel_offset_s ]; then
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kernel_offset=$(printf "0x%08x" $kernel_offset)
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else
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kernel_offset_ns=$(printf "0x%08x" $kernel_offset_ns)
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kernel_offset=$(printf "0x%08x" $kernel_offset_ns)
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kernel_offset_warning=$kernel_offset_ns
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fi
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if [ $non_standard_base -eq $ramdisk_offset_s ]; then
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ramdisk_offset=$(printf "0x%08x" $ramdisk_offset)
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else
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ramdisk_offset_ns=$(printf "0x%08x" $ramdisk_offset_ns)
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ramdisk_offset=$(printf "0x%08x" $ramdisk_offset_ns)
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ramdisk_offset_warning=$ramdisk_offset_ns
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fi
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if [ $non_standard_base -eq $second_offset_s ]; then
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second_offset=$(printf "0x%08x" $second_offset)
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else
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second_offset_ns=$(printf "0x%08x" $second_offset_ns)
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second_offset=$(printf "0x%08x" $second_offset_ns)
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second_offset_warning=$second_offset_ns
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fi
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if [ $base_addr_verify != $non_standard_base_addr ]; then
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base_warning=$non_standard_base_addr
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fi
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tags_offset=$(printf "0x%08x" $tags_offset_ns)
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# Below are the known offsets for non standard mkbootimg.c
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if [[ ! -z $kernel_offset_warning ]] || [[ ! -z $ramdisk_offset_warning ]] || [[ ! -z $second_offset_warning ]]; then
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pout "\n****** WARNING ******* WARNING ******* WARNING ******\n"
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pout "This image is built using NON-standard mkbootimg!"
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fi
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if [ ! -z $base_warning ]; then
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pout "BASE is $base_warning"
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fi
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if [ ! -z $kernel_offset_warning ]; then
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pout "KERNEL_OFFSET is $kernel_offset_ns"
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fi
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if [ ! -z $ramdisk_offset_warning ]; then
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pout "RAMDISK_OFFSET is $ramdisk_offset_ns"
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fi
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if [ ! -z $second_offset_warning ]; then
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pout "SECOND_OFFSET is $second_offset_ns"
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fi
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if [[ ! -z $kernel_offset_warning ]] || [[ ! -z $ramdisk_offset_warning ]] || [[ ! -z $second_offset_warning ]]; then
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pout "\nYou can modify mkbootimg.c with the above value(s)"
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pout "\n****** WARNING ******* WARNING ******* WARNING ******"
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fi
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#########################################################
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k_count=$(((kernel_size+page_size-1)/page_size))
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r_count=$(((ramdisk_size+page_size-1)/page_size))
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@ -237,22 +310,23 @@ if [ $? -gt 0 ]; then
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#try lz4
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$lz4 -d ../ramdisk.gz ../ramdisk.cpio
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if [ $? -gt 0 ]; then
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pout "ramdisk is unknown format,can't unpack ramdisk"
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pout "\nramdisk is unknown format,can't unpack ramdisk"
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busybox rm ../ramdisk.cpio
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else
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pout "ramdisk is lz4 format."
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pout "\nramdisk is lz4 format."
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$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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pout "\nramdisk is lzma format."
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$lzma -d -c ../ramdisk.gz | $cpio -i -d -m --no-absolute-filenames 2>/dev/null
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fi
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else
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pout "ramdisk is gzip format."
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pout "\nramdisk is gzip format."
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$gzip -d -c ../ramdisk.gz | $cpio -i -d -m --no-absolute-filenames 2>/dev/null
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fi
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#Unpack Finish to exit.
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pout "Unpack completed."
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pout "Unpack completed.\n"
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exit
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