So, I recently got a ASUS Zenfone 4 Selfie Pro, the phone is stuck on android 7.1 and doesn't have any roms, nothing, just TWRP. So I'm on a journey trying to build stuff for this device from the ground up, I already made a device tree based on Zenfone 3 (which has the same SoC) and I tried to build lineage/cyanogenmod 14.1 for it and got a lot of kernel errors, so I went to try to compile the kernel from the source ASUS gave on their website and uploaded it to my github. In this past 3 days was able to fix and workaround some of the errors I got while building, but now I'm stuck on this one: https://hastebin.com/iqisuzegeg.coffeescript | any help would be greatly apreciated .
For easier access to the kernel source I uploaded it to my github and made some fixes/workarounds for some errors: https://github.com/2003Frost/android_kernel_asus_Z01M_stock
I'm using Linaro 7.5.0 as arm64 toolchain.
I'm using Zorin OS 15.2 as OS.
If any more information is needed I'll be glad to give out.
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Seppppx said:
Hmm. There is probably no definition for 'drivers/platform' and 'drivers/platform/msm' . But there is a reference (probably). Also have you tried to build the kernel with the defconfig "the manual way". If there is something wrong with the kernel I have almost no way of helping you because I'm not a real developer.
EDIT : There is a kernel source for your phone that on a developer's github https://github.com/shakalaca/android_kernel_asus_zd552kl . That is also the person who is the maintainer for official twrp. He has some large commits on the kernel so his kernel should build.
Click to expand...
Click to collapse
I already tried his kernel and got the same exact error :/
I didn't understand fully what you said with "the manual way" but I'm trying to compile the kernel outside the rom build environment, by using my device's defconfig and compiling with linaro.
0
Seppppx said:
By the manual way I mean the with the defconfig. Also I made a pull request to your Device Tree (adds persist partition and Shakalaca's kernel).
Also if you're trying to build with defconfig there is a tutorial by google. https://source.android.com/setup/build/building-kernels-deprecated .
After that you will have to put it to the boot image. Another guide for that. https://source.android.com/setup/build/building-kernels#embedding-into-Android .
Edit : Isn't the Android kernel build with the defconfig when you run a source build? I think it actually builds the kernel when you build android so you don't build the kernel separately.
Click to expand...
Click to collapse
I accepted your pull request. Yes when you build a rom from source it also compiles the kernel, but I wasn't able to build the rom because it gave me kernel errors, so I went and started compiling separately because it's easier to fix kernel errors like this.
I am not using Google's tutorial, I'm following one that has almost the same steps and I'm using the same toolchain.
0
Seppppx said:
By toolchain you mean tools that you need to compile a kernel? Why doesn't one just install the tools needed to compile a kernel source.
The guide I linked doesn't specify any toolchain (thus idk if I need one). It also doesn't have anything to do with build.sh script used to compile a kernel. Instead it uses the defconfig. The commands are actually very simple.
cd kernel-source_code
export ARCH=arm64
export CROSS_COMPILE=aarch64-linux-android-
make ZD552KL-Phoenix_defconfig
make
Also have you tried to build another kernel that you are sure builds? If another kernel builds. The issues have to do something with the kernel itself. If it does not it's most likely something else.
Click to expand...
Click to collapse
To compile a kernel from source you need something a cross compiler or toolchain in my case I'm actually using the exact same commands you commented with linaro toolchain/cross compiler (aarch64-linux-android). As far as I know you need that to compile a kernel and I don't think the toolchain is the problem but the kernel itself. I can try another kernel later to see if it compiles.
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Seppppx said:
Okay thanks!
If you manage to compile the kernel for your device make sure to mention/quote me. I would like to contribute. I'm on my way to make another pull request (now about cameras).
Click to expand...
Click to collapse
If you want to talk to me more quickly you can message me on telegram https://t.me/Frost_2003
0
Related
I want to try and compile the oficial gb sources, mainly out of curiosity, but I would love having some clues on how to achieve it.
I'm a coder myself, but I don't know **** about android development. I guess I have to start by installing android sdk but then what? Any hints? A link to a begginer's guide or something would be great.
Sure I can find this info on google (starting the research right now) but maybe you guys can point me into the right direction.
Edit: I've found basic build instructions right inside the ZIP file containing the sources:
Code:
1. Android buid
- Download original android source code (gingerbread) from http://source.android.com
- Untar opensource packages of p500_gb_open_source.tar.gz into downloaded android source directory
- And, merge the source into the android source code(gingerbread)
- Run following scripts to build android
a) . build/envsetup.sh
b) make -j4
- When you compile the android source code, you have to add google original prebuilt source(toolchain)
into the android folder
( add prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin to PATH )
- After build, you can find output at out/target/product/generic
2. Kernel Build
- When you compile the kernel source code, you have to add google original prebuilt source(toolchain)
into the android folder.
( Add prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin to PATH
ex) export PATH=$PATH:$HOME/gb_original/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin )
- Untar using following command at the android folder
tar zxvf kernel.tar.gz
- cd Kernel
- make thunderg-perf_defconfig
- make zImage -j4
3. After Build, You Can find the build image at arch/arm/boot
4. Compile environment
- gcc 4.4.1
- Ubuntu 10.10
- Java 1.6.0_22
I'll continue researching and will post any finds and my progress here if there's anyone interested. Meanwhile you can contribute with anything you can and by the end we may have a good tutorial out of it.
Look at first post from Andy's Gingerbread, he describes what you need.
No need to install Android SDK.
I take sources from codeaurora, merge with LG-source.
drakull said:
I want to try and compile the oficial gb sources, mainly out of curiosity, but I would love having some clues on how to achieve it.
I'm a coder myself, but I don't know **** about android development. I guess I have to start by installing android sdk but then what? Any hints? A link to a begginer's guide or something would be great.
Sure I can find this info on google (starting the research right now) but maybe you guys can point me into the right direction.
Edit: I've found basic build instructions right inside the ZIP file containing the sources:
Code:
1. Android buid
- Download original android source code (gingerbread) from http://source.android.com
- Untar opensource packages of p500_gb_open_source.tar.gz into downloaded android source directory
- And, merge the source into the android source code(gingerbread)
- Run following scripts to build android
a) . build/envsetup.sh
b) make -j4
- When you compile the android source code, you have to add google original prebuilt source(toolchain)
into the android folder
( add prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin to PATH )
- After build, you can find output at out/target/product/generic
2. Kernel Build
- When you compile the kernel source code, you have to add google original prebuilt source(toolchain)
into the android folder.
( Add prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin to PATH
ex) export PATH=$PATH:$HOME/gb_original/prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin )
- Untar using following command at the android folder
tar zxvf kernel.tar.gz
- cd Kernel
- make thunderg-perf_defconfig
- make zImage -j4
3. After Build, You Can find the build image at arch/arm/boot
4. Compile environment
- gcc 4.4.1
- Ubuntu 10.10
- Java 1.6.0_22
I'll continue researching and will post any finds and my progress here if there's anyone interested. Meanwhile you can contribute with anything you can and by the end we may have a good tutorial out of it.
Click to expand...
Click to collapse
Forget about this. LG did not released Android soures. There are kernel only.
Damn... are you sure, Mik?
Have you looked inside the zip? There's 2 tarballs, one for the Kernel and other reading 'p500_gb_open_source.tar.gz'. I tought it was the p500 gb android source files that needs to be merged with the main source code.
Well... that's a real shame.
drakull said:
Damn... are you sure, Mik?
Have you looked inside the zip? There's 2 tarballs, one for the Kernel and other reading 'p500_gb_open_source.tar.gz'. I tought it was the p500 gb android source files that needs to be merged with the main source code.
Well... that's a real shame.
Click to expand...
Click to collapse
it is on GB, and it was on FROYO - LG didnt release the complete source code,
only some modifications to the android sources - because not all parts of android
are GPLv1, they doesnt MUST release sources for this parts these arent of GPLv2 or GPLv3 in some cases ...
andy572 said:
it is on GB, and it was on FROYO - LG didnt release the complete source code,
only some modifications to the android sources - because not all parts of android
are GPLv1, they doesnt MUST release sources for this parts these arent of GPLv2 or GPLv3 in some cases ...
Click to expand...
Click to collapse
AFAIK Even with froyo LG didn't publish the WHOLE source,only pieces of it (AFAIK).
I'm still downloading sources from codeaurora, as soon as it's finished I'll merge the changes and we'll see what happens
_Arjen_ said:
I'm still downloading sources from codeaurora, as soon as it's finished I'll merge the changes and we'll see what happens
Click to expand...
Click to collapse
I can't even download sources,my internet connection freezes everytime I download something (only if speed goes above 350KB/s),so no Eclair build for meh . Gonna kill Telecom Italia soon
Viva l'Italia
_Arjen_ said:
Viva l'Italia
Click to expand...
Click to collapse
Ahaha lol I do love my country but internet services suck
_Arjen_ said:
I'm still downloading sources from codeaurora, as soon as it's finished I'll merge the changes and we'll see what happens
Click to expand...
Click to collapse
sounds like "i download as fast as i can the sources, do a "make gingerbread"
in the command line and release a build to megaupload.com...
i can say, there is a very small knowledge of how to build a android system from source - you need a lot of hours to get the system compiled so that most stuff
is working^^
andy572 said:
sounds like "i download as fast as i can the sources, do a "make gingerbread"
in the command line and release a build to megaupload.com...
i can say, there is a very small knowledge of how to build a android system from source - you need a lot of hours to get the system compiled so that most stuff
is working^^
Click to expand...
Click to collapse
I know that Andy
I'm not stupid
But you need to download sources and merge LG sourcecode before you can start anyway
So far the simple . build/envsetup.sh, lunch and make seem to work fine with 2.3.4 source, after compiling is complete we'll see if I got a working rom.
If al works fine I can start to modify and build again, so I've got hours and hours of mostly waiting
_Arjen_ said:
I know that Andy
I'm not stupid
But you need to download sources and merge LG sourcecode before you can start anyway
So far the simple . build/envsetup.sh, lunch and make seem to work fine with 2.3.4 source, after compiling is complete we'll see if I got a working rom.
If al works fine I can start to modify and build again, so I've got hours and hours of mostly waiting
Click to expand...
Click to collapse
Lol, look to my sources and compare it to lg's. Theren are nothing usefull except kernel.
After compiling you'll get default android that probably can start in emulator
mik_os said:
Lol, look to my sources and compare it to lg's. Theren are nothing usefull except kernel.
After compiling you'll get default android that probably can start in emulator
Click to expand...
Click to collapse
I love your sources because they gave me some really useful infos
mik_os said:
Lol, look to my sources and compare it to lg's. Theren are nothing usefull except kernel.
After compiling you'll get default android that probably can start in emulator
Click to expand...
Click to collapse
Nope, it runs on the phone,
did similar thing to build eclair (needed to change some things before I could build) and got it booting to our phone with froyo kernel, only a little hacking needed to get all working. Only gsm and bluetooth are not yet fully working on eclair, other things seem fine so far.
but will take a look at your sources, because you could be right there are better ways
Edit:
GB building is ready and working fine after flashing (using new baseband)
Just tried this because it was fun. Now I'm going back to get eclair fully working
The only GB-build I want to use is CM7, no-one needs just another GB while we have three good ones: Miks CM7, Andy's GB/CM7 and Noejns void #forever and with Franco's kernel these builds rock
Sorry Ciaox, forgot your coming GB-rom
I tried compiling the original kernel I have running on my Nexus 7 2013.
So I did
git clone https://android.googlesource.com/kernel/msm -b android-msm-flo-3.4-kitkat-mr2
git checkout -f ac9222cf61b2646a1862fb222365e52a0d1c498d
export ARCH=arm flo_defconfig
export SUBARCH=arm
export CROSS_COMPILE/home/armtoolchain-prebuilt-4.8/bin:$PATH
make -j2
Click to expand...
Click to collapse
that last checkout of commit ac9222cf61b2646a1862fb222365e52a0d1c498d is the one my Nexus 7 2013 Wi-Fi originally came with. Now since I used the prebuilt binaries of GCC 4.8, it has some stricter rules for compilation so I had to remove some flags like -Wall from the main Makefile so my compile would continue, furthermore I had to edit a Makefile in arch/arm/boot/compressed so that -Wa,-march=armv7-a instead of -march=all otherwise again I could not compile due to some errors.
After this I get a nice zImage, then I do fastboot boot zImage and my tablet hangs on the bootloader menu, nothing happens at all, I have to hold down power to fix it. Basically my kernel does NOT work in the least and I am unsure what the problem is. I am hoping somebody with experience here could help me.
The reason I posted in this subforum is because more devs would see it, however if Moderators are against it, please move the thread to the appropriate forum rather than deleting it, thank you!
dikidera said:
I tried compiling the original kernel I have running on my Nexus 7 2013.
So I did
that last checkout of commit ac9222cf61b2646a1862fb222365e52a0d1c498d is the one my Nexus 7 2013 Wi-Fi originally came with. Now since I used the prebuilt binaries of GCC 4.8, it has some stricter rules for compilation so I had to remove some flags like -Wall from the main Makefile so my compile would continue, furthermore I had to edit a Makefile in arch/arm/boot/compressed so that -Wa,-march=armv7-a instead of -march=all otherwise again I could not compile due to some errors.
After this I get a nice zImage, then I do fastboot boot zImage and my tablet hangs on the bootloader menu, nothing happens at all, I have to hold down power to fix it. Basically my kernel does NOT work in the least and I am unsure what the problem is. I am hoping somebody with experience here could help me.
The reason I posted in this subforum is because more devs would see it, however if Moderators are against it, please move the thread to the appropriate forum rather than deleting it, thank you!
Click to expand...
Click to collapse
Hi, I assume you're using kitkat branch for kitkat kernel?
You'll need these two commits to boot with a toolchain above GCC 4.7 regardless
https://github.com/poondog/kernel_msm/commit/c6f209b4ac195fbc19286ebe6d77bae939ac00b7
https://github.com/poondog/kernel_msm/commit/ea510c9b9dba084332ca88acee4a2064c9c80056
That will fix your zImage.
Is that by any chance related to this? https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 Apparently 4.8 and a few other versions after 4.8 are affected.
dikidera said:
Is that by any chance related to this? https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854 Apparently 4.8 and a few other versions after 4.8 are affected.
Click to expand...
Click to collapse
Not sure, I haven't looked into it. But those patches seem to do the job fine
I was trying to build Kernel from original HTC Source. My rom on phone has version 2.18.401.3, but the original HTC kernel source (enru-3.1.10-g7f360be.zip) with this version did not build, because it contains only hox (endeavour) "in arch\arm\mach-tegra" not HOX+ (enrc2b). I was using the extracted config from my device. The HTC kernel source with the biggest number (2.18.1136.2, enrc2b-3.1.10-42105bd.zip) builds properly but the merged boot.img did not boot. I checked with other boot.img from HOX+ i.e. from cyanogenmod (unpack, repack) whether I generate a correct one, but it was binary same. So I believe the zImage has some defect. Please help.
Trivalik said:
I was trying to build Kernel from original HTC Source. My rom on phone has version 2.18.401.3, but the original HTC kernel source (enru-3.1.10-g7f360be.zip) with this version did not build, because it contains only hox (endeavour) "in arch\arm\mach-tegra" not HOX+ (enrc2b). I was using the extracted config from my device. The HTC kernel source with the biggest number (2.18.1136.2, enrc2b-3.1.10-42105bd.zip) builds properly but the merged boot.img did not boot. I checked with other boot.img from HOX+ i.e. from cyanogenmod (unpack, repack) whether I generate a correct one, but it was binary same. So I believe the zImage has some defect. Please help.
Click to expand...
Click to collapse
use this, I kept it in tact for this reason :
https://github.com/Lloir/htc_kernel_oxp/tree/master
It's the source straight from htc
you'll also need this commit https://github.com/Lloir/htc_kernel_oxp/commit/b3cade38f9d17682778ea767722d20b94696f6ae which has the defconfig unless you already have it.
Enjoy
Lloir said:
use this, I kept it in tact for this reason :
https://github.com/Lloir/htc_kernel_oxp/tree/master
It's the source straight from htc
you'll also need this commit https://github.com/Lloir/htc_kernel_oxp/commit/b3cade38f9d17682778ea767722d20b94696f6ae which has the defconfig unless you already have it.
Enjoy
Click to expand...
Click to collapse
I tried the master branch, but it make boot loop all the time. Another test would be, if you can provide me a boot.img what I can test.
I found the solution, is for me a little bit strange but it works. In case somebody can show me the big difference that I can understand the "why", whould be fine.
I used for build this toolchain: prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin stored: git clone --depth=1 https://android.googlesource.com/platform/prebuilt
before I was using arm-eabi-4.8/bin/ from master branch(not sure about git clone path)
There is now one point I did not understand, I build original source, why is then my SIM not working? (no question for pin), (Answer: Maybe are the orignal modules signed. After change the modules on /system/lib/modules/ it was working like before), because after flashing the android revolution boot.img, it was all working. Any ideas? (Answer: It is because they didn't change th zImage)
Hello Guys,
I see a lot of threads for starting with android rom development, but can anyone give me pointers for kernel development? I would like to start kernel development and do not know where to start. I am not interested in rom development at the moment, but that is because I assume that the android rom is like a user space app over the kernel. Please correct me if I am wrong. It would be great if you guys could point me to some beginner friendly kernel development tutorials. I am looking through Linux Device Drivers (LDD) book but am having a hard time comparing that with android. I have cloned mediatek 6589 source from android repository. I am submitting partial url cos I am not allowed to submit full url yet. URL(android.googlesource.com/kernel/mediatek/+/android-5.1.0_r0.2) since I am running a mtk6589 device (Walton X1/ Gionee Dream D1) and would like to understand where to start coding kernels for android. Any help would be greatly appreciated.
Oh and I would like mediatek specific help if possible. I have gone through some of the general kernel building and overclocking tutorials. I want to do some more enhancements if possible. Since mediatek seems to be the mysterious one with bare minimum source availability, I would like to take up that challenge
Thanks.
I don't have a tutorial for you but a small checklist. You need:
* Kernel source tree
* A config for your device (e.g. arch/arm/configs/*defconfig*)
* A cross compiler toolchain to generate ARM code (you can use the precompiled one from the Android source tree)
* A way to package your kernel into a boot image for your device - usually an Android boot image contains a compiled kernel (zImage), a compressed ramdisk for the root filesystem, and probably a device tree binary (dtb). Mediatek may do things differently.
* A way to install that boot image on your device - this requires an unlocked bootloader that allows custom boot images to be installed and started. Most devices use the fastboot tool for this.
Your first step should be to build a working kernel from unmodified sources. When you got that working, you can think about starting actual coding.
Thanks for the Pointer Mate
_that said:
I don't have a tutorial for you but a small checklist. You need:
* Kernel source tree
* A config for your device (e.g. arch/arm/configs/*defconfig*)
* A cross compiler toolchain to generate ARM code (you can use the precompiled one from the Android source tree)
* A way to package your kernel into a boot image for your device - usually an Android boot image contains a compiled kernel (zImage), a compressed ramdisk for the root filesystem, and probably a device tree binary (dtb). Mediatek may do things differently.
* A way to install that boot image on your device - this requires an unlocked bootloader that allows custom boot images to be installed and started. Most devices use the fastboot tool for this.
Your first step should be to build a working kernel from unmodified sources. When you got that working, you can think about starting actual coding.
Click to expand...
Click to collapse
Thanks man. Really appreciate the pointers. I do have some of the checklists done. Like
* Kernel source tree
** A cross compiler toolchain to generate ARM code (using the precompiled one)
* A way to install that boot image on your device
Now the problem is, my device still does not have its source code available. I got the general source tree from google which is not my device's so I dont have the defconfig. Is there a way to rip it out from a compiled kernel? Like using some sort of a decompiler? Also I will look around for zimage packaging tools. Thanks mate. Mediatek is apparently one hell of a problem child XD
syko_kickass said:
Now the problem is, my device still does not have its source code available. I got the general source tree from google which is not my device's so I dont have the defconfig. Is there a way to rip it out from a compiled kernel? Like using some sort of a decompiler? Also I will look around for zimage packaging tools.
Click to expand...
Click to collapse
If you're lucky, your existing kernel exposes its config in the file /proc/config.gz. If not, I don't know how to get a matching config - best is to avoid buying anything from GPL violators.
Hello, I'm newbie dev trying to build CM13 for Lenovo Phab plus.
I think I'm almost finished with device and vendor, but I cannot figure it out what to do with kernel.
The circumstance is,
I have a stock kernel source which runs in 5.1.1 LP, with version of 3.10.49.
What I want is to make kernel compatible with 6.0.1.
I already know that linux kernel version doesn't have to be exactly same with new Android OS versions and I can just make a few patches in order to run kernel in higher OS.
So I googled and studied(?) for 2-3weeks, but got not many useful informations and I still cannot figure out where to find required patches for 6.0.1 .
So here's what I am not sure about.
1. I found that I can either upstream, merge, cherry-pick kernel sources from higher OS. For instance, if I merge kernel patches (starting from 3.10.50 to 3.18 step by step) and check if the kernel compiles successfully, is this a right thing to do? I am confused whether merging or cherry-picking is required for my situation.
2. I see lots of commits when comparing with other kernel sources in github. How do you find those kinds of patches? -> just keep compiling kernel and if error comes out->search->commit
Always this pattern goes again and again till boot properly?
3. i'm quite curious with backports. What i know is that "backports" are the files which is compatible for lower version kernels. For example, backported audio driver originally based on 4.9 can be used in kernels with version below 4.9. Is it right?
4. If there is an useful links, anything could be helped a lot.
THANKS IN ADVANCE.