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[Request]Exapnding system memory.

14 posts in this topic

Posted · Report post

Hey guys,i have one request for you.Did anyone can do a Rom with expanded system memory?To expand the 150mb of lg l3 to 500 or 1000mb.Please post is someone can do this,or say to me(step by step)how to do this.

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Posted · Report post

we have to change the base like zte blade with tpt

this is hard to dev and can brick easiely

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Posted · Report post

change the cwm recovery fstab to recognise a new layout

create a new cwm recovery with new layout

flash it

create roms with new layout

flash them

stock mount points

# mount point	fstype		device			[device2]   fstype2
/recovery emmc /dev/block/mmcblk0p17
/boot emmc /dev/block/mmcblk0p9
/cache ext4 /dev/block/mmcblk0p16
/data ext4 /dev/block/mmcblk0p21
/emmc vfat /dev/block/mmcblk0p20
/sdcard vfat /dev/block/mmcblk1 /dev/block/mmcblk1p1
/system ext4 /dev/block/mmcblk0p14[/code] new mount points
[code]# mount point fstype device [device2] fstype2
/recovery emmc /dev/block/mmcblk0p17
/boot emmc /dev/block/mmcblk0p9
/cache ext4 /dev/block/mmcblk0p16
/data ext4 /dev/block/mmcblk0p20
/emmc vfat /dev/block/mmcblk0p21
/sdcard vfat /dev/block/mmcblk1 /dev/block/mmcblk1p1
/system ext4 /dev/block/mmcblk0p14

only one change made, but would change data partition from 150mb to 1024mb.

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Posted · Report post

okay, this was new for me!

can you do that? is this save?

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Posted · Report post

hmm,i don`t know to do that...Maybe one developer will read hecatae`s post and will do that,or maybe hecatae will do if he has some time:D.Thanks.

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Posted · Report post

okay, this was new for me!

can you do that? is this save?

I could do that but every cwm I've built you have tested for me never looked right.

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Posted (edited) · Report post

change the cwm recovery fstab to recognise a new layout

create a new cwm recovery with new layout

flash it

create roms with new layout

flash them

stock mount points

# mount point	fstype		device			[device2] fstype2

/recovery	emmc		/dev/block/mmcblk0p17

/boot		emmc		/dev/block/mmcblk0p9

/cache		ext4		/dev/block/mmcblk0p16

/data		ext4		/dev/block/mmcblk0p21

/emmc		vfat		/dev/block/mmcblk0p20

/sdcard		vfat		/dev/block/mmcblk1 /dev/block/mmcblk1p1

/system		ext4		/dev/block/mmcblk0p14
new mount points
# mount point	fstype		device			[device2] fstype2

/recovery	emmc		/dev/block/mmcblk0p17

/boot		emmc		/dev/block/mmcblk0p9

/cache		ext4		/dev/block/mmcblk0p16

/data		ext4		/dev/block/mmcblk0p20

/emmc		vfat		/dev/block/mmcblk0p21

/sdcard		vfat		/dev/block/mmcblk1 /dev/block/mmcblk1p1

/system		ext4		/dev/block/mmcblk0p14

only one change made, but would change data partition from 150mb to 1024mb.

can i use this mount points on editing ramdisk?

which file(s) should be edited? init.rc?

Edited by yayakuya
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Posted · Report post

so,yayakuya,you will try to do this?Please keep us at currency with all news,and when you need help please say:D.

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Posted · Report post

can i use this mount points on editing ramdisk?

which file(s) should be edited? init.rc?

you will need to repo sync cyanogenmod to build a new cwm, otherwise I can see problems

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Posted (edited) · Report post

this is for the partition structure created to use with link2sd (ie fat, ext, fat32)

REMOVE ALL SCRIPTS U ARE USING TO MOUNT EXT PARTITION AND MAKE A TITANIUM BACKUP OF ALL APPS

extract init.rc of boot.img and edit it.

do the following

1. search 'on fs'

on fs

comment out 'mount yaffs2 mtd@userdata /data nosuid nodev' with #

like this

# mount mtd partitions

# Mount /system rw first to give the filesystem a chance to save a checkpoint

mount yaffs2 mtd@system /system

#mount yaffs2 mtd@system /system ro remount

#mount yaffs2 mtd@userdata /data nosuid nodev

mount yaffs2 mtd@persist /persist nosuid nodev

mount yaffs2 mtd@cache /cache nosuid nodev

mount yaffs2 mtd@persist /persist nosuid nodev

now on 'on emmc-fs'

replace

wait /dev/block/mmcblk0p21

exec /system/bin/demigod_make_ext4fs -l 160M /dev/block/mmcblk0p21 /data

exec /system/bin/e2fsck -y /dev/block/mmcblk0p21

mount ext4 /dev/block/mmcblk0p21 /data nosuid nodev noatime barrier=1 data=ordered noauto_da_alloc errors=continue

with

wait /dev/block/mmcblk1p2

wait /dev/block/mmcblk1p2

wait /dev/block/mmcblk1p2

exec /system/bin/demigod_make_ext4fs -e /dev/block/mmcblk1p2 /data

exec /system/bin/e2fsck -y /dev/block/mmcblk1p2

mount ext4 /dev/block/mmcblk1p2 /data nosuid nodev noatime barrier=1 data=ordered noauto_da_alloc errors=continue

save it

pack the boot.img and flash it using cwm

if u have any cwm flashable package with u then extract 'META-INF>com>google>android>updater-script' and edit it with notepad++

delete everithing it it and paste this

run_program("/sbin/busybox", "mount", "/system");

package_extract_file("boot.img", "/tmp/boot.img");

assert(run_program("/system/bin/dd", "if=/tmp/boot.img", "of=/dev/block/mmcblk0p9")=="0");

run_program("/sbin/busybox", "umount", "/system");

save it and drag and drop it to it's location, i.e. 'META-INF>com>google>android> here'

now drag and drop boot.img in the zip (no folder, the zip itself)

make a nandroid backup and flash this.

now, advance restore ONLY data using cwm recovery and reboot

if you want to mount external sd as internal sd do this in int.rc (this may have bugs)

search this

#exec /system/bin/resize2fs /dev/block/mmcblk0p20

now remove all # from

# [sTART] LGE_USE_INTERNAL_FAT

#wait /dev/block/mmcblk0p20

#exec /system/bin/resize2fs /dev/block/mmcblk0p20

#exec /system/bin/e2fsck -y /dev/block/mmcblk0p20

#mount vfat /dev/block/mmcblk0p20 /mnt/sdcard

# [END] LGE_USE_INTERNAL_FAT

to make it like to like like this

# [sTART] LGE_USE_INTERNAL_FAT

wait /dev/block/mmcblk1p3

exec /system/bin/resize2fs /dev/block/mmcblk1p3

exec /system/bin/e2fsck -y /dev/block/mmcblk1p3

mount vfat /dev/block/mmcblk1p3 /mnt/sdcard

# [END] LGE_USE_INTERNAL_FAT

add this above "mount vfat /dev/block/mmcblk1p3 /mnt/sdcard" if not mounting

unmount /dev/block/mmcblk0p20

save, pack, flash, enjoy.

and no need to do anything with the recovery. your backup of data will be huge now. ;)

Edited by SudeepDuhoon
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Posted · Report post

thanks for the info, will try to implement it too,especially with encryption ) By the way, anybody needs a flashable zip enabling ICS native encryption for us? I made a post in a big topic and can advance it with flash.

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Posted · Report post

hm, maybe someone, but I'm not interested in the encryption

make this sense? I mean, kernel 3.0 will came soon, and with that 4.1-4.2 will arrived

and encryption is a main feature of jellybean...

it woud be nice if you dev the ICS native encryption, but I don't want you to do something for nothing ;P

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Posted (edited) · Report post

Native ICS encryption works, and it fails only because CWM format full data partition not leaving the footer of 16KB, and due to one commented string in init.rc :) The chargerfix also uncomments it and a zip will contain a chargerfix bootimg and data repartition command I posted before.

Do you ever know if Jelly Bean supports encrypting SD cards along with conventional data encryption?

post-994615-0-60154300-1362830619.png

Edited by gellmar
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Posted · Report post

Dumped mmcblk0 partitions and tried to parse what is what -

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