Confused about boot partition layout.

asked 2017-10-14 14:24:24 +0200

veritanuda gravatar image

updated 2017-10-14 17:01:27 +0200

Mariusmssj gravatar image

Hmm ok.. so I am sure I am probably being dense here, but I was expecting when I copied the 'boot' partition off the phone (mmcblk0p22) and then extracted it I would find the initlogo.rle somewhere. Only I don't.

Android Image Kitchen - UnpackImg Script
by osm0sis @ xda-developers

Supplied image: xperia-boot.img

Setting up work folders...

Image type: AOSP

Splitting image to "split_img/"...
BOARD_KERNEL_CMDLINE lpm_levels.sleep_disabled=1 user_debug=31 androidboot.selinux=permissive msm_rtb.filter=0x3F ehci-hcd.park=3 dwc3.maximum_speed=high dwc3_msm.prop_chg_detect=Y coherent_pool=8M sched_enable_power_aware=1 androidboot.hardware=suzu
BOARD_KERNEL_BASE 80000000
BOARD_NAME 
BOARD_PAGE_SIZE 2048
BOARD_HASH_TYPE sha1
BOARD_KERNEL_OFFSET 00008000
BOARD_RAMDISK_OFFSET 01000000
BOARD_SECOND_OFFSET 00f00000
BOARD_TAGS_OFFSET 00000100

Unpacking ramdisk to "ramdisk/"...

Compression used: gzip
cpio: Removing leading `/' from member names
11975 blocks

Done!

I notice there seems to be extra partitions I am not familiar with maybe this is the answer?

lrwxrwxrwx 1 root root   16 Oct 14 12:11 aboot -> ../../mmcblk0p20
lrwxrwxrwx 1 root root   16 Oct 14 12:11 abootbak -> ../../mmcblk0p21

Does aboot contain 'android' boot stuff, ie the normal logo/kernel?

What am I missing? Is that ghastly bright white Sony logo part of the kernel? In which case how do I go about extracting that and replacing it?

On previous custom roms never seemed to be an issue because there was a boot.img file with everything in it.

Really curious now.

Thanks.

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