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ClockworkMod (CWM) Recovery easy install for RK3066 and RK3188 -- TWRP/CWM Flash-Tool and root for RK3288

 Please donate to support OMA and CrewRKTablets firmware work, thank you !

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Modifying the Arnova 10 G2 custom firmware
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onericardo
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2011/12/21 - 16:59
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Great great news! Keep up the good work! Laugh

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finless
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2011/12/21 - 17:17
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I do not remember where I got the SDK tools from now too many different rom dopwnlaods to keep track of.  The flash tool says 1.29.  I am pretty sure it is a latest version as it came with loader 2.08.

Once I get this ready I will edit the conf.ini for the RKAndroid tool so when you open it all the files and offsets will be loaded.  All you have to do is check all the boxes and flash.

 

Bob

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d@d388
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2011/12/29 - 20:35
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hi finless,

i've read this thread and i see you had my same problems to mount an ext3 🙂
i've tried many code to mount it but i had the same result, i mount it but i don't have the permission, so i do a chmod 777 but i receive a message that say i don't have enough space.
where i could find a wiki to learn about it, because for now i would just edit the system image and learn something about cooking world 😉

thanks

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finless
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2011/12/29 - 21:33
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What are you trying to mount?  system.img from my ROM or the system.img from the stock rom?

If stock it is not an EXT3 file structure it is cramfs.

Some more detail on what you are trying to do and I will try to help.

 

Bob


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d@d388
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2011/12/30 - 01:18
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i'm trying to mount your system.img.

i used the simple command "sudo mount -t ext3 /arnova_10G2_full_root_rom_V1.1/image/system.img /media" but i don't have any permission, so i do a "sudo chmod 777 /media/app" but it's not the right way..

isn't it?

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thomas
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2012/01/07 - 21:04
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hi all,

i was able to change a cramfs,ro filesystem on a Loox tablet into an ext3,rw filesystem. I changed the boot.img and the system.img and flashed the Loox with the RKAndroidTool.

 

Now I have a question: How can I create a new kernel.img. I was able to compile a new kernel for the Loox, but I have no idea how to create the kernel.img or to unpack the existing kernel.img.

 

It seems to be a special filesystem, no cramfs, I cannot extract it with cpio, no success so far.

 

I would appreciate any help!

 

Thank you,

 

Thomas.

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finless
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2012/01/08 - 02:12
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thomas… here you go buddy…

The kernel.img is nothing more than kernel.bin with a header and footer.

 

To unpack kernel.bin from kerne.img do this:

#Get the file size and write it down.  You will use it in the DD command for filesize-12

ls -l kernel.img

#strip header & footer  

dd if=kernel.img of=kernel.bin bs=1 skip=8 size=(filesize-12)

 

OK to repack the kernel do this:

#Reapply header & footer  

rkcrc -p kernel.bin newkernel.img   

Now open newkernel in a hex editor and change PARM to KRNL in the header.

 

Bob

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thomas
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2012/01/08 - 12:07
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Thank you, I was able to create a new kernel.img with your help, thank you!

 

Thomas.

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Sowa
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2012/01/08 - 12:51
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Hi Bob.

Many thanks for your report on the creation of the firmware. Thanks to him I made a new CustomROM for ARNOVA 8 G2. Under the userdata identified 1Gb memory. It works fine. With Wendal ImgeTools (which I slightly corrected) created update.img. Flashed RK BatchTool v.1.3.

Sincerely, Sowa

China phone: Star A5000 => Star N8000
Tablets: Archos 7C HT - Android 2.2.1 my custom ROM => ARNOVA 8G2 8Gb capactive, s_MorkaMod JB 1.2

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finless
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2012/01/08 - 16:34
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Your welcome!

Does the 8 G2 have 1GB of RAM (not NAND)???

 

Bob

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admin

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2012/01/08 - 17:46
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finless said

Your welcome!

Does the 8 G2 have 1GB of RAM (not NAND)???

 

Bob

Hope, it has 512 Mb, like the 10 G2: /blog/featured/arnova-8-g2-review-part-1-intro/

If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.

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finless
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2012/01/08 - 18:27
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OK so how is SOWA getting 1GB or system space?  I tired it just to see and no go on the 10 G2.  Just hangs on boot.

 

Bob

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Sowa
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2012/01/09 - 06:31
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Nothing specifically did not. Here is my file parameter:

FIRMWARE_VER:0.2.3
MACHINE_MODEL:AN8G2
MACHINE_ID:007
MANUFACTURER:RK29SDK
MAGIC: 0x5041524B
ATAG: 0x60000800
MACHINE: 2929
CHECK_MASK: 0x80
KERNEL_IMG: 0x60408000
CMDLINE: console=ttyS1,115200n8n androidboot.console=ttyS1 init=/init
initrd=0x62000000,0x500000 mtdparts=rk29xxnand:0x00002000@0x00002000(misc),
0x00004000@0x00004000(kernel),0x00002000@0x00008000(boot),
0x00004000@0x0000A000(recovery),0x00082000@0x0000E000(backup),
0x0003a000@0x00090000(cache),0x00002000@0x000ca000(kpanic),
0x00070000@0x000cc000(system),0x00200000@0x0013c000(userdata),-@0x0033c000(user)

Edited my Wendal RK29ImageTools RK29ImageTools(ed).7z

China phone: Star A5000 => Star N8000
Tablets: Archos 7C HT - Android 2.2.1 my custom ROM => ARNOVA 8G2 8Gb capactive, s_MorkaMod JB 1.2

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admin

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2012/01/09 - 09:56
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Sowa said

Nothing specifically did not. Here is my file parameter:

FIRMWARE_VER:0.2.3
MACHINE_MODEL:AN8G2
MACHINE_ID:007
MANUFACTURER:RK29SDK
MAGIC: 0x5041524B
ATAG: 0x60000800
MACHINE: 2929
CHECK_MASK: 0x80
KERNEL_IMG: 0x60408000
CMDLINE: console=ttyS1,115200n8n androidboot.console=ttyS1 init=/init
initrd=0x62000000,0x500000 mtdparts=rk29xxnand:0x00002000@0x00002000(misc),
0x00004000@0x00004000(kernel),0x00002000@0x00008000(boot),
0x00004000@0x0000A000(recovery),0x00082000@0x0000E000(backup),
0x0003a000@0x00090000(cache),0x00002000@0x000ca000(kpanic),
0x00070000@0x000cc000(system),0x00200000@0x0013c000(userdata),-@0x0033c000(user)

Edited my Wendal RK29ImageTools RK29ImageTools(ed).7z

Bob, for you to compare, here is AN8G2 default parameter file:

FIRMWARE_VER:0.2.3
MACHINE_MODEL:AN8G2
MACHINE_ID:007
MANUFACTURER:RK29SDK
MAGIC: 0x5041524B
ATAG: 0x60000800
MACHINE: 2929
CHECK_MASK: 0x80
KERNEL_IMG: 0x60408000
CMDLINE: console=ttyS1,115200n8n androidboot.console=ttyS1 init=/init initrd=0x62000000,0x500000 mtdparts=rk29
xxnand:0x00002000@0x00002000(misc),0x00004000@0x00004000(kernel),0x00002000@0x00008000(boot),0x00004000@0x0000
A000(recovery),0x00080000@0x0000E000(system),0x00082000@0x0008E000(backup),0x0003a000@0x00110000(cache),0x0008
0000@0x0014a000(userdata),0x00002000@0x001ca000(kpanic),-@0x001cc000(user)

If you like our web site, applications and firmwares, feel free to support our site. Donations are used to pay the bills for our server hosting costs, development tools and purchase new tablets to support.

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finless
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2012/01/09 - 17:33
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Yes I see he went from 0x80000 (256MB) to 0x200000 (1gig).  However when I tried that on the 10 G2 anything I used above 0x100000 (512mb) cause the 10 G2 to hang on boot.

So my understanding and I could be wrong, is this partition is RAM not NAND?  So how can you define the system partition to be larger than physical ram?

Maybe I will try it again on the 10 G2 and see as that was way early on when I was first putting together the 10 G2 ROM.

Bob

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