Related
Since We have such a fantastic tutorial on how to build your own CM9, I thought I'd add one for building a kernel.
Edit: updated kernel sources for jellybean
First off:
You NEED Linux. DO NOT TRY THIS ON WINDOWS, IT WON'T WORK.
Sources: https://github.com/freexperia/semc-kernel-msm7x30-ics
https://github.com/DarkforestGroup/sony-kernel-msm7x30-ics
https://github.com/DooMLoRD/Xperia-2011-Kernel-2.6.32.9
http://forum.xda-developers.com/showthread.php?t=1556971
http://forum.xda-developers.com/showthread.php?t=1477845
http://developer.sonymobile.com/wp/2011/05/06/how-to-build-a-linux-kernel/
DooMLoRD, KeiranFTW & Atarii.
Prepping:
1) Grab the toolchain I have here (Android NDK R5b), it's the only one I've been able to use that doesn't throw errors when compiling: http://db.tt/hE3TmJJi Doom has provided a better toolchain https://github.com/DooMLoRD/android_prebuilt_toolchains[/QUOTE] you can get it using
Code:
git clone https://github.com/DooMLoRD/android_prebuilt_toolchains.git -b master
(thanks Doom!!)
Building a kernel from fxp sources
1) Terminal for any commands, file explorer for finding stuff & gedit for changes.
2) open up terminal, mkdir (no spaces)
3) cd
4) git clone https://github.com/CyanogenMod/semc-kernel-msm-7x30 -b jellybean (no spaces)
5) cd /semc-kernel-msm-7x30-ics (if you didn't rename it)
6) (If this is after the first time, and lets say a week has past do this step, otherwise ignore) git pull (automatically updates any files)
7) First important step: Find the defconfig that fxp uses. They are located in arch/arm/config. fxp_zeus_defconfig is the name of theirs
8) copy fxp_zeus_defconfig & rename to _zeus_defconfig (for example, mine will be pax_zeus_defconfig)
9) open up your defconfig & put it into another workspace, we'll mess with it later
10) Hop onto DooMLoRD's github, his we'll use for references.
11) Adding governors: https://github.com/DooMLoRD/Xperia-...mmit/bec19001ded34077d7776639834a1229b69e5f87
A1) Well, as I look into this, fxp has a ton of governors not used... (located in /drivers/cpufreq/
A2) Check the Kconfig file to see that they're all in there (they must just not be in the defconfig file)
A3) Edit the deconfig file you created in lines 467-474 removing "#" from any you want to add (and add in any you might've added by adding the line CONFIG_CPU_FREQ_GOV_=y
A4) If you want to add more governors, check out the Commits from DooMLoRD's build to add in when needed (anytime you see a "+" that means line added, "-" means line deleted)
12) Adding IO Schedulers: https://github.com/DooMLoRD/Xperia-...mmit/0ae625f7561c559d4933284f489733bf5eb66e96
B1) Navigate to /block folder
B2) Once again, FXP has a ton of IO Schedulers added, but not used in Play kernel:
B3) Open up Kconfig.ioshced to make sure they're in there (and add any you want)
B4) Edit the defconfig file you created (lines 121-137) & fix it to your liking (same as above)
B5) If you want to add more, see Doom's commits to add 'em
13) Turning off ALS
C1) Navigate to /arch/arm/mach-msm
C2) Open up board-semc_zeus.c
C3) Search for .als_connected (it on line 1349)
C4) Change the variable from 1 to 0
14) Overclocking
D1) open up arch/arm/mach-msm/acpuclock-7x30.c
D2) Lines 96 - 144 contain the PLL2 table, which is used to set clock speeds, note FXP can go all the way up to 2ghz, they just stop it short.
15) Building the Kernel
E1) Save your defconfig file, you'll need it now.
E2) naviage to folder (in terminal)
E3) Type in "ARCH=arm CROSS_COMPILE= ../ramdisk.img
F17) cd ../
17) Putting the ramdisk & kernel together
G1) By now (hopefully) the kernel is done compiling. (time for terminal, you should still be in folder you were above)
G2) cp ~//arch/arm/boot/zImage ./
G3) mkbootimg --base 0x00200000 --kernel zImage --ramdisk ramdisk.img -o .img
18) Flashing it for testing.
H1) Keep your copy of FXP's kernel around, just in case any issues happen
H2) fastboot boot .img
H3) If it boots & works, SUCCESS!! you modified your own custom kernel!
H4) If it doesn't boot (at all, just a vibrate & blank screen for 10-20 seconds) there's a problem with the ramdisk, sometimes it's bad, sometimes is needs filler, overall, it's just a pain in the butt to figure out.
H5) If it boots & bootloops the splash screen, well, that's an issue with the ramdisk again, that possibly, your ramdisk does not match you rom. Recovery, reflash rom & try again.
Courtesy of Atarii reminding me
19) Adding your wifi modules (they get built when you build the kernel) into the ramdisk
I1) Let's pretend that you haven't gotten through step F16, we're gonna add the wifi modules in.
I2) The wifi modules are located in /drivers/net/wireless/
I3) Copy bcm4329.ko to ~/ramdisk/working/modules/
I4) Add in the following lines to init.semc.rc
Code:
#load bcm4329 module
insmod /modules/bcm4329.ko
I5) Now your modules will autoload on boot!
Pax
How to extract the boot image from your tablet, set up adb, compile a new kernel with cool options, and put it back on your device!
UPDATED for Lolipop 12-4-14
This is a complete guide from start to finish, copy and paste style. If you own a gpe510, or any other AOSP device and a computer running Debian Linux, you can do all of this.
If all you want is the modified kernel, download from here:
Sleekai Kernel For The LG GPad 8.3 V510(GPE)
I am hoping people will add to this with new ideas and patches in order to make the GPE a better device. I see the potential for all sorts of neat stuff.
This guide assumes a basic knowledge of linux operating systems. I am using a Debian 64 bit (wheezy stable) to compile my kernel. I have used many, many hours of the day to figure this out properly, with specific thanks going to Pete of Pete's Blog for his image tools.
But first, lets keep this simple. As usual, you are on your own if you brick your device, though I don't see how you could if you are paying attention!
There are dependencies for building your own kernel, and you will definitely want to use a 64 bit system as a 32 bit will not work properly for kitkat.
Here are all of the packages you will need, and they will draw in further dependencies when you install, but these are it! So, here we go:
Open a terminal, su to root and:
Code:
dpkg --add-architecture i386
##This will allow for the use of some 32 bit librarys that we will need for both adb and the kernel compile. Then:
Code:
apt-get update ; apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386 libc6-i686:i386 lzop liblzo2-dev libgpm2:i386 git-core git gnupg flex bison gperf libsdl1.2-dev libesd0-dev build-essential zip curl gedit libncurses5-dev zlib1g-dev fakeroot lib32z1-dev lib32ncurses5-dev gcc-multilib g++-multilib
Next, you will need to install adb and have your permissions set up.
In order to do this you will need to go into the developer options on your device to enable debugging on your tablet. Go to settings/about tablet/build number, and tap on build number several times to unlock the developer options.
then:
You will need to create new udev rules for your device in/etc/udev/rules.d on your computer.
Use "lsusb" in your terminal to find the manufactures code of your device. it will show up as a nexus 4, or Google device.
You will need to create a file in your computer in /etc/udev/rules.d/99-android.rules.
You can use gedit if you like:
Code:
gedit /etc/udev/rules.d/99-android.rules
Put the following inside and save, changing the manufactures code as necessary to fit your device, and change “your-login” to your login name on your computer.
Code:
# Google Nexus devices
SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", MODE="0666", OWNER="your-login" # Google Nexus devices
18d1 is the manufacturers code.
You will then want to restart udev on your computer:
Code:
service udev restart
you will now have permissions to access your android device from user space.
Now to download adb and get started. You should probably not use adb from the Debian repositories, as it may be an older version. the V510 is using kitkat android and needs the latest build of adb to work properly. It is a good idea to get rid of any old adb files on your computer first. The code below will do just that.
Code:
apt-get purge android-tools-adb android-tools-fastboot
Now download the latest adb bundle from here:
http://developer.android.com/sdk/index.html
Move it into a new directory,
*note -the version number may be different.
Code:
mkdir ~/adb
Code:
cd ~/adb
Code:
unzip adt-bundle-linux-x86_64-20131030.zip
su to root and Move the bundle to /opt:
Code:
mv adt-bundle-linux-x86_64-20131030 /opt/android-sdk-linux-x86_64-20131030
Other google products reside in /opt, this should too. This takes a minute or so on slow machines.
Next we need to link adb to /usr/bin
Code:
ln -s /opt/android-sdk-linux-x86_64-20131030/sdk/platform-tools/adb /usr/bin
Code:
ln -s /opt/android-sdk-linux-x86_64-20131030/sdk/platform-tools/fastboot /usr/bin
We are ready to begin working on the device! first start the adb server and look for your device.
Code:
adb start-server
Code:
adb devices
You will then need to confirm the connection on your tablet screen to allow access from your computer.
Okay, wev'e got this first part set up. it's time to begin working on a kernel!
Lets get started.
I want to extract and build my zimage in $userspace, so open a terminal from /home and:
Code:
mkdir ~/android
Download the source package LG-V510(G-Pad 8.3 Google Play Edition)_Android_KK_V510_11c from here :
https://www.lg.com/global/support/opensource/opensourceList?types=ALL&search=lgv510
and open it to find three folders, including a kernel folder. Move the kernel folder to ~/android and then:
Code:
cd ~/android
Download the current eabi-4.6 Google tool chain to ~/android to cross compile your android kernel:
Code:
git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.8
When it completes, enter ~/android/kernel and get ready to compile a new kernel from the source code.
Code:
cd ~/android/kernel
Do the following each time you compile another kernel. This insures the correct path.
Code:
export PATH=$PATH:~/android/arm-eabi-4.8/bin
Code:
arm-eabi-gcc --version
you should get:
Code:
arm-eabi-gcc (GCC) 4.6.x-google 20120106 (prerelease)
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Continue on! we are not done yet!
Code:
export ARCH=arm
Code:
export SUBARCH=arm
Code:
export CROSS_COMPILE=arm-eabi-
Code:
export KERNEL_DEFCONFIG=palman_defconfig
Code:
make clean
Code:
make palman_defconfig
Doing the above prepares your kernel build environment, while the following code opens a interface to configure the kernel. You can simplify this later however you wish.
But for now,
Code:
make menuconfig
At this point make whatever changes you wish to the config file. for a list of the changes I have made, and that are in the kernel available to download, look in the sleekai kernel thread. (At start of thread, or in my signature).
After saving your changes,
Code:
make
Or conversely
Code:
make -o2
which will optimize the make. I recommend using simply "make" first, as the other may not properly show errors should any occur.
and go make a pot of coffee, and probably drink the whole pot! This will take a while.
At the end you will see that the "zimage is ready"
If you have errors, then you probably have dependency problems. If not, Yay! You compiled your first kernel, but we are not done yet!
The zimage you just produced is stored in /kernel/arch/arm/boot/zImage
To put both the zimage and any modules into a separate folder inside of ~/android so as to make extracting them easier:
Code:
mkdir ~/android/kernel_output
Code:
cp ~/android/kernel/arch/arm/boot/zImage ~/android/kernel_output/zImage
Code:
find ~/android/kernel -name "*.ko" -exec cp {} ~/android/kernel_output/ \;
The above code will find all the modules for your kernel. We don't need them for this tutorial, but it still is mighty handy!
Extract your boot image (boot.emmc.win) for the ramdisk You may also download the stock.zip from the sleekai kernel thread
Now make a backup to transfer to your computer.
Reboot to recovery on your tablet. I'm using TWRP. If you are using something else it should be just as easy.
Code:
adb reboot recovery
Only tick the boot
make a backup to your sd card. I changed the name to boot.bac to keep it simple
reboot
make sure the backup of boot is present using a file explorer. I am using ES File explorer.
On your computer, pull the file using adb
Code:
adb start-server
Code:
adb devices
Code:
adb pull /storage/sdcard1/TWRP/BACKUPS/LG0000606708987/boot.bac /home/sleek
sleek is my user name, replace with yours or use tilde.
What we are after is the "boot.emmc.win" file. We will only need this and the zImage to compile a new boot image and run it on your tablet.
The tools to extract the kernel and ramdisk from the boot.emmc.win you will need the following boot image tools installed on your computer.
So, again, lets keep this simple. All the tools are forked to my github for ease of use.
So lets install the tools! Ready?
As Root:
Code:
mkdir /usr/src/android
Code:
mkdir /usr/src/android/boot
Code:
cd /usr/src/android/
Code:
git clone https://github.com/sleekmason/bootimg-tools.git
Code:
cd bootimg-tools/libmincrypt/
Code:
gcc -c *.c -I../include
Code:
ar rcs libmincrypt.a *.o
Code:
cd ../mkbootimg
Code:
gcc mkbootimg.c -o mkbootimg -I../include ../libmincrypt/libmincrypt.a
Code:
cp mkbootimg /usr/local/bin/
Code:
cd ../cpio
Code:
gcc mkbootfs.c -o mkbootfs -I../include
Code:
cp mkbootfs /usr/local/bin/
Code:
cd /usr/src/android/bootimg-tools/mkbootimg/
Code:
wget https://raw.github.com/sleekmason/bootimg-tools/master/mkbootimg/unmkbootimg.c
Code:
gcc -o unmkbootimg unmkbootimg.c
Code:
cp unmkbootimg /usr/local/bin/
Now everything is in place to make a new boot image for your tablet!
Finishing this up is easy.
As root, we made a directory in /usr/src/android/boot for your boot.emmc.win file to be torn apart:
Code:
cd /usr/src/android/boot
Copy your new zImage and the boot.emmc.win file you extracted from your device.
Note* "/home/sleek" is the path on my computer, and should be changed to reflect yours!
Code:
cp /home/sleek/android/kernel_output/zImage /usr/src/android/boot
Code:
cp /home/sleek/boot.emmc.win /usr/src/android/boot
Now unpack the boot.emmc.win file to get the ram disk
Code:
unmkbootimg -i boot.emmc.win
Now you may remove the current boot.emmc.win file, and the resultant kernel file as we will be making new ones, and rename the zImage file you moved here to "kernel".
Code:
rm boot.emmc.win kernel && mv zImage kernel
Now repack using the command given to you during the unpack:
Code:
mkbootimg --base 0 --pagesize 2048 --kernel_offset 0x80208000 --ramdisk_offset 0x82200000 --second_offset 0x81100000 --tags_offset 0x80200100 --cmdline 'console=ttyHSL0,115200,n8 androidboot.hardware=palman lpj=67677 vmalloc=300M' --kernel kernel --ramdisk ramdisk.cpio.gz -o boot.emmc.win
Note* For 500 users this may be different. Simply use the command from the prompt.
You should now have a brand new boot.emmc.win image in /usr/src/android/boot!!
To push back on your device to test
Code:
adb reboot bootloader
Code:
fastboot boot boot.emmc.win
USING the above will only put your kernel build into memory and should not hurt your device if something goes wrong. Use the command below to make it permanent.
If everything works well, you should see the change you made to the /general/perf-localversion/ in your settings under kernel. from there it's up to you to hack away! make new and unique kernels!
If you want your kernel to survive reboot do;
Code:
fastboot flash boot boot.emmc.win
then:
Code:
fastboot reboot
You can expect a slow bootup on the first go around as your new kernel populates the widgets, etc..
NOTE*For the use of the latest eabi-4.7 google toolchain, you will need the libglibc libraries from the "testing" branch as gcc 4.7 is in testing. I advise completing the guide with eabi 4.6 first before trying 4.7.
The gamma correction though enabled in 4.6, isn't near as good as the native compile using 4.7. If you want the screen to look like it does in my kernels, you will need 4.7
For the eabi-4.7:
Code:
git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7
That's it! Good luck! Remember, If you post a kernel you have made, you will need to show your kernel source, etc . . . Git hub is a good choice to keep track of changes you make. Best regards, Sleekmason
If you are a v500 user and want to build your own kernel!
First, read the above post as you will be following the steps listed there.
There are just a couple of changes that you will need to do, and maybe a riddle to figure out as well. Read on.
You will need to download the v500 source from here: https://www.lg.com/global/support/opensource/opensourceList?superOsCategoryId=CAT00000001&osCategoryId=
Look for the LGV500 kernel source.
Where it says "palman" for the defconfig items, you will want to replace that with the defconfig for the 500, so replace palman with awifi-perf,
like this:
Code:
export KERNEL_DEFCONFIG=awifi-perf_defconfig
Code:
make awifi-perf_defconfig
Important
Follow the guide and build with the Google Toolchain eabi4.6 first
LG compiled for the 500 and 510 using the eabi4.6. It works, and will give you a feel for the process, and allow you to use your kernel.
Note*
I use the google toolchain eabi-4.7 for the sleekai kernels as it changes the gamma to reasonable defaults on the 510 without further tweaking. After compiling a kernel or two to get a feel for it, you should try using the 4.7 toolchain. To do so, you will probably need the libglibc libraries from the "testing" branch. Look it up.
caveat: I recieved a compile error for the v500 when I used the eabi-4.7 . . . . . yeah. You'll have to work that out.
There is a modified anykernel script for emmc devices out there (Search Google or here in xda). You will have to use the anykernel script after making your boot.emmc.win image as fastboot won't work on the 500. There may be another way .... But I don't know what it is.
Edit* There are now two different kernels for the LG GPad 8.3 V500(awifi) located in the development section of the forum.
Best of luck! -sleekmason
Can this be used to create a kernel for the non Google Play Edition Gpad to be able to allow us to install the Google Play edition ROM on it
Sent from my SM-N900W8 using Tapatalk
Canadoc said:
Can this be used to create a kernel for the non Google Play Edition Gpad to be able to allow us to install the Google Play edition ROM on it
Sent from my SM-N900W8 using Tapatalk
Click to expand...
Click to collapse
I would think so. I edited the above to show how to put the image back on your device. You should be able to use any source you wish to compile with. My thoughts are that you might wish to examine the differences in the ram disk if any.
sleekmason said:
Howdy, I would like to share how to download the kernel source for the gpe, compile a new custom kernel, and insert into your LG gpad GPE 510.
...
Click to expand...
Click to collapse
Thanks for the guide. Making GPE kernel was my next step in trying to get the GPE ROM to work on v510.
I just made guide for getting your Android build environment going if you want to use it on your blog or where ever.
http://forum.xda-developers.com/showthread.php?t=2629008
The problem with v500 is that it does not have fastboot so we can not flash kernel like how you can on v510.
@ AndroidUser00110001 Hi! I know that somebody tweaked the Any kernel to work on emmc devices... Maybe it could be adapted? Actually getting the menuconfig and make should be the same process as well as repacking the image. I take it just getting it back on the 500 device is the problem?
I will add your link to this post for setting up a build environment if that is okay.
sleekmason said:
@ AndroidUser00110001 Hi! I know that somebody tweaked the Any kernel to work on emmc devices... Maybe it could be adapted? Actually getting the menuconfig and make should be the same process as well as repacking the image. I take it just getting it back on the 500 device is the problem?
I will add your link to this post for setting up a build environment if that is okay.
Click to expand...
Click to collapse
Is that the koush any kernel? I was going to mess with that too. I just need a small break now. Took a few days to get new system exactly how I want it.
Go ahead and use guide...mo problem at all.
AndroidUser00110001 said:
Is that the koush any kernel? I was going to mess with that too. I just need a small break now. Took a few days to get new system exactly how I want it.
Go ahead and use guide...mo problem at all.
Click to expand...
Click to collapse
Yes, from here: http://forum.xda-developers.com/showthread.php?t=847265
I noted that boot was on block nncblk0p21 on our device, and not 22? better double check that. I tried it Anykernel as well to no avail when getting this set up. Fastboot is Awesome!
It's taxing to get it set up right. Seems like things change very often for the dependencies based on other package changes. I ussually go with testing but redid two partitions with stable. The 32 bit is just going to sit there, which seems kinda silly due to the need for extra packages in 64 to compile for 32 but whatever. Yeah.
AndroidUser00110001 said:
Thanks for the guide. Making GPE kernel was my next step in trying to get the GPE ROM to work on v510.
I just made guide for getting your Android build environment going if you want to use it on your blog or where ever.
http://forum.xda-developers.com/showthread.php?t=2629008
The problem with v500 is that it does not have fastboot so we can not flash kernel like how you can on v510.
Click to expand...
Click to collapse
I don't understand, what are the differences bettween the v500 and v510? they both have the same hardware, but not the same boot partition or something like that?
ayziaa said:
I don't understand, what are the differences bettween the v500 and v510? they both have the same hardware, but not the same boot partition or something like that?
Click to expand...
Click to collapse
The boot on the 500 cannot be fully unlocked.
This is not the appropriate place to ask that kind of question should be asked in general or in troubleshooting. Also, there are already many threads about this same question please use the search utility to find them. Thank you.
i was thinking of writing a tutorial about this as well for the v500 but this better than i would have done Well done...
sleekmason said:
Yes, from here: http://forum.xda-developers.com/showthread.php?t=847265
I noted that boot was on block nncblk0p21 on our device, and not 22? better double check that. I tried it Anykernel as well to no avail when getting this set up. Fastboot is Awesome!
It's taxing to get it set up right. Seems like things change very often for the dependencies based on other package changes. I ussually go with testing but redid two partitions with stable. The 32 bit is just going to sit there, which seems kinda silly due to the need for extra packages in 64 to compile for 32 but whatever. Yeah.
Click to expand...
Click to collapse
Another tool that i ported to the lg g pad a bit back along with loki-doki...
Quick hint, dont bother with direct mmc naming as qcom (i dont know if the other chip makers do the same thing, as i have only had qcom devices) has given us a simple naming scheme...
should only be used by people who know how to use this,
darkassain said:
i was thinking of writing a tutorial about this as well for the v500 but this better than i would have done Well done...
Another tool that i ported to the lg g pad a bit back along with loki-doki...
Quick hint, dont bother with direct mmc naming as qcom (i dont know if the other chip makers do the same thing, as i have only had qcom devices) has given us a simple naming scheme...
should only be used by people who know how to use this,
Click to expand...
Click to collapse
Thank you! Have you successfully used your script to push a kernel onto the 500 Or 510?
I would think this could be very handy for sharing a custom kernel for the 510, but would like to see somebody report a positive test result. Very cool!
sleekmason said:
Thank you! Have you successfully used your script to push a kernel onto the 500 Or 510?
I would think this could be very handy for sharing a custom kernel for the 510, but would like to see somebody report a positive test result. Very cool!
Click to expand...
Click to collapse
yes back before when there wasnt a overclocked kernel i basically used this to push it when i would compile just the kernel (didnt maintain so i now use dyn's)...
yes this is only for the v500 as this has the extra loki step, but it shouldnt be hard to modify so it does not do that extra step
darkassain said:
i was thinking of writing a tutorial about this as well for the v500 but this better than i would have done Well done...
Another tool that i ported to the lg g pad a bit back along with loki-doki...
Quick hint, dont bother with direct mmc naming as qcom (i dont know if the other chip makers do the same thing, as i have only had qcom devices) has given us a simple naming scheme...
should only be used by people who know how to use this,
Click to expand...
Click to collapse
Hi, can you just use a generic anykernel updater script too?
For example to flash a packed boot.img
Code:
run_program("/tmp/busybox", "dd", "if=/dev/block/platform/msm_sdcc.1/by-name/boot", "of=/tmp/boot.img");
run_program("/tmp/unpackbootimg", "-i", "/tmp/boot.img", "-o", "/tmp/");
run_program("/tmp/repack-ramdisk.sh");
run_program("/tmp/mkbootimg.sh");
run_program("/tmp/busybox", "dd", "if=/tmp/newboot.img", "of=/dev/block/platform/msm_sdcc.1/by-name/boot");
mako and flo can do like this.. I think HTC One as well, since they are all similar qcom chipsets maybe this device can too
poondog said:
Hi, can you just use a generic anykernel updater script too?
For example to flash a packed boot.img
Code:
run_program("/tmp/busybox", "dd", "if=/dev/block/platform/msm_sdcc.1/by-name/boot", "of=/tmp/boot.img");
run_program("/tmp/unpackbootimg", "-i", "/tmp/boot.img", "-o", "/tmp/");
run_program("/tmp/repack-ramdisk.sh");
run_program("/tmp/mkbootimg.sh");
run_program("/tmp/busybox", "dd", "if=/tmp/newboot.img", "of=/dev/block/platform/msm_sdcc.1/by-name/boot");
mako and flo can do like this.. I think HTC One as well, since they are all similar qcom chipsets maybe this device can too
Click to expand...
Click to collapse
thanks for reminding me the any kernel uploaded by me won't work as it doesn't parse Loki images xorrectly, I'll upload the correct one once I have access to my pc
darkassain said:
thanks for reminding me the any kernel uploaded by me won't work as it doesn't parse Loki images xorrectly, I'll upload the correct one once I have access to my pc
Click to expand...
Click to collapse
could you please re-post to a different thread rather than hijacking this thread, as your script does not work with the 510 currently and I do not want to go to get confused with my kernel how to. what started out to maybe become relevant apparently will not and so shouldn't be confused with what I'm doing here. I will be happy to try working with your script if you would open up an appropriate thread. Thank you.
Installed kenel and booted. Now to install trickster mod and fix the dang gamma.
gunnyman said:
Installed kenel and booted. Now to install trickster mod and fix the dang gamma.
Click to expand...
Click to collapse
Excellent!! Pleased to know that you are able to use it. Have you changed your gamma settings?
I did on mine and am pleased with the result. I'm using 248, 252, 255 using trickster mod What are you going with?
sleekmason said:
Excellent!! Pleased to know that you are able to use it. Have you changed your gamma settings?
I did on mine and am pleased with the result. I'm using 248, 252, 255 using trickster mod What are you going with?
Click to expand...
Click to collapse
havent messed around too much.
I had a thought about this and I think it would be awesome if we could incorporate faux123's bits for gamma and color control. His fauxcontrol offers much more granular control than trickster.
I'm thankful to have what we have, and THANK YOU for sharing it, but like any good geek I WANTS MOAR!!!!!
gunnyman said:
havent messed around too much.
I had a thought about this and I think it would be awesome if we could incorporate faux123's bits for gamma and color control. His fauxcontrol offers much more granular control than trickster.
I'm thankful to have what we have, and THANK YOU for sharing it, but like any good geek I WANTS MOAR!!!!!
Click to expand...
Click to collapse
me too! I'll look into it. There are other apps besides trickster to give you more control. I think at the kernel level everything we need is unlocked. And yeah, he knows his business like nobody else eh? I'm just persistent.
What is the Touchpad Toolbox?
https://forum.xda-developers.com/showthread.php?t=2756314
A set of Scripts (programs) that allows:
Easily manage LVM, one of the greatest features of the TP.
https://wiki.archlinux.org/index.php/LVM
Create Android, WebOS volumens, or total reset.
It can make a fresh /boot directory installation adding moboot.
Reflash the battery Firmware
Install specific, older version of recovery and Rom.
How is done?
https://webos-internals.org/wiki/Angstrom_on_Touchpad
A small Linux OS is built into an img (ext2) file system and is loaded into memory as a RAMDisk.
Angstrom v2015.01
Built from branch: master
Revision: 038d832
Target system: arm-angstrom-linux-gnueabi
This information is from the file angstrom-version located in the /etc folder of the RAMDisk.
Following this instructions will unpack the RAMDisk and Kernel, then can be repack as it would with any Android system.
All this is done on Linux ubuntu 18.04 x64 system. If you have any other OS you can install Linux as a virtual machine.
1 .Create a directory
hptoolbox
2. Unzip TPToolbox-2015-01-08-v42.zip to the directory hptoolbox (http://downloads.codefi.re/jcsullins/cmtouchpad/tptoolbox/TPToolbox-2015-01-08-v42.zip
3. Open terminal in the hptoolbox directoty and paste the following commands.
Code:
dumpimage -i TPToolbox-2015-01-08-v42.bin uImage.kernel
dumpimage -i TPToolbox-2015-01-08-v42.bin -p 1 RAMDisk_Compress
dd if=RAMDisk_Compress of=RAMDisk.xz bs=64 skip=1
xz -d RAMDisk.xz
## The RAMDisk which is 67.1MB is a Linux rev 0.0 ext2 filesystem data img file.
4. Creat a loop disk to have read and write access of the RAMDisk
Code:
sudo udisksctl loop-setup -f RAMDisk
## Mapped file RAMDisk as /dev/loop16 (this is only on my system and it will be different on others)
5. Mount the 67 MB Loop Device, it can easly be done using Disks
6. Open your file manager as sudo in (my system is nautilus, it can be different on other Linux)
Code:
[email protected]:~$ sudo nautilus
[sudo] password for ubuntu:
7. The settings for the ToolBox are in /usr/tptoolbox.
You have complete control on all the files, but read what each script says on top:
Code:
# This script is Copyright (c) 2014 James Sullins, All rights reserved.
# James (JC) Sullins, aka jcsullins
# No modifications or distribution without permission
To repack the Kernel and RAMDisk
1. Unmount the RAMDisk img and Detach the loop device
2 Open terminal in the hptoolbox directory and paste the following commands.
Code:
mkimage -A arm -T ramdisk -C none -n RAMDisk -d RAMDisk uImage.RAMDisk
mkimage -A arm -T multi -C none -n "Tenderloin ToolBOX Modified" -d uImage.kernel:uImage.RAMDisk uImage.ToolBox_Modified
In my system I can not make RAMDisk using xz compression but it works uncompress is just a 70MB file.
If the RAMDisk is compress using (( xz -9 RAMDisk )) then the file size will be as the original but it will not be recognized by the kernel at boot.
3. To load using the novacom driver:
Code:
novacom boot mem:// <uImage.ToolBox_Modified
Many thanks to jcsullins for creating the ToolBox ,which allowed many users to easily transition to Android from WebOS and gave new life to a device that could have been in landfills many years ago. In my opinion this has been the greatest Tool for the TP and finding out how it works made it even more amazing!
HP_TOUCHPAD said:
What is the Touchpad Toolbox?
--SNIP--
Click to expand...
Click to collapse
You've done a great job figuring that out HP_TOUCHPAD! As a result, if Sullins agreed (assuming he would even answer the request), the TPToolbox could be modified fairly easily to handle the latest ROMS, GAPPS, and RECOVERIES. For example, it turns out that there is an unused parameter that would allow TPToolbox to install the zipfiles without any checks. Additionally, it is simple to bypass having to install a GAPPS with the ROM, or to keep all checks but the one that checks for a compatible GAPPS..
shumash said:
You've done a great job figuring that out HP_TOUCHPAD! As a result, if Sullins agreed (assuming he would even answer the request), the TPToolbox could be modified fairly easily to handle the latest ROMS, GAPPS, and RECOVERIES. For example, it turns out that there is an unused parameter that would allow TPToolbox to install the zipfiles without any checks. Additionally, it is simple to bypass having to install a GAPPS with the ROM, or to keep all checks but the one that checks for a compatible GAPPS..
Click to expand...
Click to collapse
Thank you, and yes the ToolBox can be modified very easily only if JSullins agreed.
But there is only one section that needs to be modified to update the toolbox and make compatible with all ROMS now and forever. In my opinion there is no need for the Toolbox to install any ROMS as that is the work of TWRP to do and it does it well.
This is the only modification that needs to be done to update the toolbox and make it useful forever!
In the folder toolbox/bin/make_boot (open the script)
add the following under this line : (do_run cp /usr/tptoolbox/data/moboot /mnt/boot/uImage.moboot)
Code:
do_run cp /usr/tptoolbox/data/uImage.TWRP /mnt/boot/uImage.TWRP
do_run cp /usr/tptoolbox/data/android.default.recovery /mnt/boot/android.default.recovery
do_run cp /usr/tptoolbox/data/moboot.default /mnt/boot/moboot.default
do_run cp /usr/tptoolbox/data/uImage.ToolBOX /mnt/boot/uImage.ToolBOX
copy the files to /usr/tptoolbox/data/
uImage.TWRP
android.default.recovery
moboot.default
uImage.ToolBOX (this is the toolbox.bin, renamed it to be loadable from the moboot menu.
save the script.
I do not need to tell you "the Linux Guru" what is going on, but just for the record.
When recreating the boot it will install TWRP into boot and also the ToolBOX.
Reboot and now you have TWRP and also the ToolBOX in the moboot menu and you can install any ROM using TWRP.
This will make it super easy for all users to start fresh!
Complete reset (it will install TWRP, recovery by default) nothing extra for the user to do!
Reflash battery firmare
Resize Android volumens
Reboot and install ROM
I do not think it can be any easier for anyone than this and the change is minimal!
HP_TOUCHPAD said:
Thank you, and yes the ToolBox can be modified very easily only if JSullins agreed.
But there is only one section that needs to be modified to update the toolbox and make compatible with all ROMS now and forever. In my opinion there is no need for the Toolbox to install any ROMS as that is the work of TWRP to do and it does it well.
--SNIP--
I do not think it can be any easier for anyone than this and the change is minimal!
Click to expand...
Click to collapse
I like what you're suggesting, but it's not that easy. I think you're creating a different application. The python scripts need to be modified to remove the "Install Android" option. Making users decide how to (re)install non-datamedia (DM) or DM ROMS by themselves was one of the things HPToolbox solved. I think that a better way is just to prevent all the checks that are done for three zips, gapp/rom capatibility, etc. and let users install the gapps themselves, although I can see a way to expand the allowable gapps dictionary to include the latest versions
Additionally, unless you resize /boot (which is fixed in one of the python scripts and may require lots of other changes), users who want to retain WebOS (there may be one or two left.) won't be able to install Android because there won't be enough room having uImage.TPToolbox there.
shumash said:
I like what you're suggesting, but it's not that easy. I think you're creating a different application.
There is no changes to the menu is only adding uImage.TWRP to be copy to boot.
In the Toolbox MAIN MENU
The option: Complete Data Reset
Call the script: toolbox/bin/make_boot
It will completely erase and format boot then copy files located in (/usr/tptoolbox/data/) over to /boot
It is part of the toolbox option and how it works. Nothing needs to be added or the main script modified.
By adding this code to the already (toolbox/bin/make_boot) script
Code:
do_run cp /usr/tptoolbox/data/uImage.TWRP /mnt/boot/uImage.TWRP
do_run cp /usr/tptoolbox/data/android.default.recovery /mnt/boot/android.default.recovery
do_run cp /usr/tptoolbox/data/moboot.default /mnt/boot/moboot.default
And copy those files to (/usr/tptoolbox/data/).
When the user select the option in the MENU to Complete Data Reset, it will do as always the only difference is, it will install TWRP automatically, which in my opinion it needs to be there to install and back up.
The python scripts need to be modified to remove the "Install Android" option. Making users decide how to (re)install non-datamedia (DM) or DM ROMS by themselves was one of the things HPToolbox solved.
The Install Android can be there as is and do as you are suggesting which is to remove the limitation and be able to install any recovery or gapps
I think that a better way is just to prevent all the checks that are done for three zips, gapp/rom capatibility, etc. and let users install the gapps themselves, although I can see a way to expand the allowable gapps dictionary to include the latest versions.
Yes that is perfect and the way it should have been from the beginning, to allow installation of any ROM. There is nothing malicious that anybody can do to brick the device. Reloading the toolbox (novacom boot mem:// < uImage.Toolbox) will recreate everything even if /boot is destroy.
Additionally, unless you resize /boot (which is fixed in one of the python scripts and may require lots of other changes), users who want to retain WebOS (there may be one or two left.) won't be able to install Android because there won't be enough room having uImage.TPToolbox there.
Click to expand...
Click to collapse
Correct if uImage.Toolbox ( 11 MB ) file is copy to boot and TWRP there will be 8 MB left for one uImage boot file, only one OS will be able to boot.
That could be an option and does not need to be copy to boot, but it could make it easier for "Android only users" to have it handy and no PC will be required to load it again.
Here is another simple quick modification to avoid confusion and make it easier.
When you select Install Android, the USB media is mounted and a directory /ttinstall is created. At the same time the directory is created a shortcut (link) can be place of a landing web page where the links to all ROM and Recovery can be download from, that the user can click and download the correct Recovery, ROM and gapps.
Make it super easy and avoid confusion of what to install and where to get it from. It could be a landing page any where that can be updated.
This is another issue to think about. To load any uImage to fix a problematic TP, a PC is need it with novacom drivers install.
This is the command that will fix any TP:
novacom boot mem:// <
If novacom is not install in the user PC or not working properly nothing can be done.
Idea.
Create a basic Linux OS, bare minimum that will run anywhere. Have the novacom install and the toolbox in it, with a basic browser to get the files.
The Linux OS can be distributed as a Live CD (.iso) that can be booted on any PC. This will guarantee that the novacom driver will work and load the toolbox or any other uImage into the TP.
I made my own live CD of Ubuntu 18.04 ( is a 2GB file ) that has everything set up and do any kind of work on the TP and be able to use it on any PC.
HP_TOUCHPAD said:
__SNIP__
Click to expand...
Click to collapse
All good ideas, but this is much easier.
shumash said:
All good ideas, but this is much easier.
Click to expand...
Click to collapse
Crazy complicated !
Take a very close look at the steps.
" 1) complete data reset"
Before this happens the novacom driver needs to be install. It used to be an easy one to do, but with new OS, windows or Linux it can get complicated. Nothing can be done unless this driver is properly install and the environment is properly set to load the uImage. This can easily create errors and frustration and not a successful install.
The universal Java installer used to work, not any more. It will be great to have a portable novacom driver, but I do not know if that is even possible to load and work in different OS.
But anyways doing the first steps is to load the Toolbox to do a complete data reset.
Well if the toolbox is modified, once the complete data reset is done uImage.TWRP will be already copy into boot.
The only thing you have to do is reboot the device select TWRP and do the installation as regular.
No more steps need it, and nothing else to download or install.
One step and done!
But now you need to run:
TWRP_TmpLoad_v03_win.bat
Then install TWRP, because is temporally loaded in memory.
What it does is loading uImage.TWRP using:
novacom boot mem:// <uImage.TWRP
The same way the Toolbox gets loaded in the first place.
If the Toolbox restriction gets remove then it will install TWRP, and then reboot.
Like I said the magic command is:
novacom boot mem://
Any boot uImage can be load it that way, but the only thing that will reset everything is the Toolbox.
I am thinking of starting a new thread to solve the issue of ArnoldTheBat r72 booting to blank screen on Acer Chromebook C720P
oops I just did -
Building Chromium/Chrome OS r71 or r72 Kernel RFC
It seems the only way to tackle drivers issues is to build the Kernel.
So, trying to build a Chrome OS r72 Kernel to use on ATB r72 to address these drivers issues, particularly the inability to boot Acer Chromebook C720P -
As I have never done this before, I need some pointers as documentation for this is very sketchy on Google groups. RFC alesimula...
What I have available is Ubuntu Bionic, & necessary storage to build (over 100 GB) -
I also have a chromefied Nocturne then eve 73/swtpm.tar SSD (on top of ABT r72) with Bionic crouton with same over 100 GB storage available.
First steps to build Kernel
Build chrome os kernel and kernel modules
In a Chrome OS box (like Nocturne r71 with kernel 4.14) - install crouton Bionic
$ sudo sh ~/Downloads/crouton -r bionic -t xfce,xiwi,touch,extension,keyboard,cli-extra,chromium
after installation enter chroot
$ sudo enter-chroot
$ sudo apt-get install git-core make kernel-package bc nano
$ git clone https://chromium.googlesource.com/chromiumos/third_party/kernel -b chromeos-4.14
TBC after download
adapted from https://github.com/dnschneid/crouton/wiki/Build-chrome-os-kernel-and-kernel-modules
Kernel download Chrome OS Kernel 4.14
After issuing the git clone command - I received some errors...
such as
error: RPC failed; curl 56 GnuTLS recv error (-54): Error in the pull function.
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed
...
& after several tries succeeded with the message:
remote: Sending approximately 2.11 GiB ...
remote: Counting objects: 24648, done
remote: Total 7215674 (delta 5927776), reused 7215674 (delta 5927776)
Receiving objects: 100% (7215674/7215674), 2.10 GiB | 1.59 MiB/s, done.
Resolving deltas: 100% (5927776/5927776), done.
Checking out files: 100% (62736/62736), done.
So now the next business after securing the source code is to compile the kernel adding the modules/drivers needed to resolve issues such as camera & graphics, etc.
Hopefully this info is in here too
https://github.com/dnschneid/crouton/wiki/Build-chrome-os-kernel-and-kernel-modules
I am using Acer Iconia W700 with chromefied nocturne on top of arnoldthebat r72...
crouton bionic with xfce4 is my chroot environment to compile the kernel...
I guess I need to dig in, get the proper commands, it should not be different from compiling other Kernels for Android, Ubuntu, Arch Linux...
What I know is that it takes time...
hopefully if I get drivers, it will be worth the effort
Extra refs to solve cloning issues
https://devopscube.com/gnutls-handshake-failed-aws-codecommit/
https://stackoverflow.com/questions/38378914/git-error-rpc-failed-curl-56-gnutls
Compressed Chrome OS Kernel 4.14 using tar/xz is bleeming 2.4 GB!
$ tar cJvf kernel.tar.xz kernel
References for setting up configuration to build the Chrome OS kernel -
https://www.chromium.org/chromium-os/how-tos-and-troubleshooting/kernel-configuration
https://www.chromium.org/chromium-o...n-snow#TOC-Building-and-installing-the-kernel
Building Chrome OS kernel 4.14
Putting it together - trial & improvement (PC of trial & error)
in bionic chroot
sudo enter-chroot
go to kernel source code (folder where cloned)
$ cd kernel
$ ls chromeos/scripts/
generate-its-script.sh kernelconfig prepareconfig README splitconfig update_smatch_whitelist
challenge - how to generate .config to build kernel - & what are the commands to build it - I know how to with Ubuntu & Arch Linux, even done it a few time for Android Jelly Bean...
scratch - here goes...
from bionic chroot - kernel folder source code kernel/
sh ./chromeos/scripts/prepareconfig chromeos-intel-pineview
sudo modprobe configs; zless /proc/config.gz
cat /proc/config.gz | gunzip > ~/Downloads/base.config
base.config contains all the current configuration of ATB v72 kernel. This file should replace the current file on path kernel/chromeos/config/base.config
Editing base.config - to get extra kernel modules
I use nano
cd ~/Downloads/
nano base.config
it starts like this:
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 4.14.83 Kernel Configuration
#
CONFIG_64BIT=y
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
...
First change is Apple backlight keyboard replacing where it says is not set by:
CONFIG_BACKLIGHT_APPLE=m
Improving Kernel 4.14.83 from ATB v72 Methodology
Methodology
Extract base.config from FydeOS 5.3.1 (Chromium OS v70) & merge in its settings into base.config extracted from ATB Chromium OS v72...
Busy doing this, as I am not good at coding, so cannot devise an automated script, doing it manually is a long bummer
My comment in Telegram, frustration included -
Modifying kernel basic.config of ATB v72 to incorporate all settings/modules of FydeOS 5.31 (v70) is so tedious, it's a nightmare - I wish there was a way to automate this with a script that merges in FydeOS basic.config entries that are not present in ATB v72 - I am crap at coding & scripting, so doing it manually, it takes forever, & I keep making mistakes :stuck_out_tongue_closed_eyes: - as I am not sure what stops ATB v72 Acer C720P from booting, I have to include all missing settings in basic.config before building the kernel.
Chrome OS Kernel 4.14.96 built with extra modules for ATB v72
It does generate .config after all as usual for Linux kernels - got some issues from enter-chroot - had to do it from Ubuntu bionic proper with (from kernel source folder):
$ sh ./chromeos/scripts/prepareconfig chromeos-intel-pineview
$ make oldconfig
$ make -j4
Just now...
Finished compiling Chrome OS 4.14.96 for ATB v72 (which has Kernel 4.14.83), got vmlinux & modules - now need to find out how to deploy them on a Chrome OS installation...
After some struggle, managed to boot the new kernel as 4.14.96-09859-ga5c3f2f0428a-dirty
installed extra modules
by doing in crosh shell (not chroot)
in kernel compiled source code folder:
$ sudo make modules_install
it creates a new folder /lib/modules/4.14.96-09859-ga5c3f2f0428a-dirty
to get the kernel I just overwrite vmlinuz.A in /dev/sdb12 by kernel/arch/x86/boot/bzImage
(backup vmlinuz.A as vmlinuz.C)
to get to this:
$ mkdir efi
$ sudo mount /dev/sdb12 efi
$ cd efi
$ cd syslinux
$ sudo cp vmlinuz.A vmlinuz.C
$ sudo cp bzImage vmlinuz.A
../..
It boots great on Acer Iconia W700 & MacBook Air mid-2011
the joke is despite modules still no WiFi & no trackpad for MacBook Air
other joke does not boot Acer Chromebook C720P
well at least I tinkered with building this darn Chrome OS kernel - not much documentation on it (apart from how to do this in arm architecture)
Linux localhost 4.14.96-09859-ga5c3f2f0428a-dirty #1 SMP PREEMPT Wed Feb 13 08:04:55 GMT 2019 x86_64 Intel(R) Core(TM) i3-2365M CPU @ 1.40GHz GenuineIntel GNU/Linux
As I do not know how to proceed from this due to lack of Google documentation - I will stop.
I think to get it working, I need to install Chromium OS from scratch, but documentation is unclear, & arnoldthebat has no instructions on how to do this.
So I am starting an effort to build a full Chromium OS from scratch - as
the best way to learn is to share know how.
New thread - https://forum.xda-developers.com/hardware-hacking/chromebooks/chromium-os-building-t3900245
Chromium OS building effort here -
https://forum.xda-developers.com/hardware-hacking/chromebooks/chromium-os-building-t3900245
Rebuilding Chromium OS kernel - a little extra...
Small improvement - removing dirty label from kernel name -
in scripts/setlocalversion # comment out:
if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
printf '%s' -dirty
fi
will rebuild it again to see if this helps for deployment
Rebuilt successfully - works OK on Acer Iconia W700, including camera & camera migration...
Notes -
in chroot
sudo enter-chroot
in kernel/
sudo make modules_install
sudo make install
outside chroot
in kernel/
sudo mkdir /boot
sudo make modules_install
sudo make install
in ~/Downloads
sudo mount /dev/sdb12 efi
sudo cp efi/syslinux/vmlinuz.A efi/syslinux/vmlinuz.A.83
sudo cp kernel/arch/x86/boot/bzImage efi/syslinux/vmlinuz.A
& for backup
sudo cp efi/syslinux/vmlinuz.A efi/syslinux/vmlinuz.A .96
I think this wraps it up - sadly still not booting Acer CB C720P
Linux localhost 4.14.96-09859-ga5c3f2f0428a #4 SMP PREEMPT Sun Feb 17 11:02:41 GMT 2019 x86_64 Intel(R) Core(TM) i3-2365M CPU @ 1.40GHz GenuineIntel GNU/Linux
Not exactly... always something
Installing Chrome OS Kernel 4.1.4.96 removes crostini, wonder why that is...
solution might be flags - as new kernel, some flags might have been lost
chrome://flags
will check
crostini already there - must be some settings lost with new kernel, or dependencies unmet
NB - all previous commands presuppose you have r/w privilege as root, i.e. issue:
$ sudo mount -o remount,rw /
$ sudo mount -o remount,exec /mnt/stateful_partition
Note - my gripe after all this is that drivers I needed do not seem to load, or I did not select the proper entries in base.config / .config
What's the point of building a kernel if modules cannot be loaded
Google Chrome OS is well protected, & Chromium OS does not seem to bypass kernel protection.
nabil2000 said:
Methodology
Extract base.config from FydeOS 5.3.1 (Chromium OS v70) & merge in its settings into base.config extracted from ATB Chromium OS v72...
Busy doing this, as I am not good at coding, so cannot devise an automated script, doing it manually is a long bummer
My comment in Telegram, frustration included -
Modifying kernel basic.config of ATB v72 to incorporate all settings/modules of FydeOS 5.31 (v70) is so tedious, it's a nightmare - I wish there was a way to automate this with a script that merges in FydeOS basic.config entries that are not present in ATB v72 - I am crap at coding & scripting, so doing it manually, it takes forever, & I keep making mistakes :stuck_out_tongue_closed_eyes: - as I am not sure what stops ATB v72 Acer C720P from booting, I have to include all missing settings in basic.config before building the kernel.
Click to expand...
Click to collapse
hi, how did you extracted fydeos base.config ? if possible, can you provide me with a dropbox link to fydeos 5.3.1 base.config. Thanks
improving kernel 4.14.96
Hello2Clans said:
hi, how did you extracted fydeos base.config ? if possible, can you provide me with a dropbox link to fydeos 5.3.1 base.config. Thanks
Click to expand...
Click to collapse
Here is the dropbox link
[dropbox.com/s/esr407ybr5tev1u/configs.zip?dl=0](https://www.dropbox.com/s/esr407ybr5tev1u/configs.zip?dl=0)
it has the FydeOS 5.3.1 base config I extracted & your ATB v72 which I merged Fydeos 5.3.1 entries into - it updates to 4.14.96 from your 4.14.83 (replace z.config by .config)
It does compile a kernel OK - I did this manually, still learning how to do it signed. As I said details in my XDA thread.
I added all LCD panels modules, maybe it will finally allow to boot Chromebook C720P to GUI.
Oddly, I lose crostini, maybe unsigned kernels do that.
Linux localhost 4.14.96-09859-ga5c3f2f0428a #4 SMP PREEMPT Sun Feb 17 11:02:41 GMT 2019 x86_64 Intel(R) Core(TM) i3-2365M CPU @ 1.40GHz GenuineIntel GNU/Linux
You are welcome to improve on it - it builds, but modules I thought added did not work on MacBook Air nor graphics of Acer CB C720P
Hello2Clans said:
hi, how did you extracted fydeos base.config ? if possible, can you provide me with a dropbox link to fydeos 5.3.1 base.config. Thanks
Click to expand...
Click to collapse
I show how to do it in a previous post - but you need to be in a running FydeOS box, same with ATB.
sudo modprobe configs; zless /proc/config.gz
cat /proc/config.gz | gunzip > ~/Downloads/base.config
.config for Acer CB C720P
Still no luck with Acer Chromebook C720P - tried several changes to .config with make menuconfig & manually - boots to a blank screen still
Fydeos 5.3.1 does not have this problem.
Also tried just the .config of FydeOS on its own, & strangely no luck - there must be something else -
will now try this
# Display Panels
CONFIG_DRM_PANEL_LVDS=y
scratch - learning about kernel blobs /dev/sdx2 & /dev/sdx4
Just building the kernel & forcing in vmlinuz.A in /dev/sdx12 syslinux using bzImage (& modules in /lib/modules)
is apparently not enough...
It seems I also need to generate a new blob for the kernel which is /dev/sdx2
From documentation -
https://chromium.googlesource.com/chromiumos/docs/+/master/kernel_faq.md
we have
Kernel Root
pair A /dev/sda2 /dev/sda3
pair B /dev/sda4 /dev/sda5
in my case (as installed to usb)
Kernel Root
pair A /dev/sdb2 /dev/sdb3
pair B /dev/sdb4 /dev/sdb5
Some pointers here:
https://groups.google.com/a/chromium.org/forum/#!topic/chromium-os-dev/zmaziTddu5E
Major learning curve for me here...
what I need to do is upgrade the Arnoldthebat kernel blob KERN-A (4.14.83) with a new one for the new kernel (4.14.96).
I would appreciate if someone knew how to do this - that might be the cause issue of losing crostini when loading the new 4.14.96 instead of the original ATB.v72 4.14.83 one.
Share knowledge if you know how to do this, thanks.
Cooking -
I just flashed FydeOS 5.3.1 ROOT-A /dev/sdx2 blob which is 16MB over ATB v72 ROOT-A /dev/sdx2 blob which is 64MB & it booted, might be the solution I was looking for...
FydeOS (v70) is more compatible than ATB (v72) for many things. If the blob is involved, then it could be good news, easier than producing a new blob from scratch (don't know how either).
If so, working on blobs is an addition to-do list for hacking Chrome OS.
Hello. I am really glad someone is trying to build and install a custom kernel for ChromiumOS, as it will help fix *many* compatibility issues as well as it will make possible to add support for some hardware and features (for instance, audio over Bluetooth doesn't work as of now because the support library needed for BlueZ isn't included).
My computer isn't working properly and I don't have much space to build the kernel by my own, but I can help with testing and research. If you could share the binaries online (maybe a Git with releases?), this would be great.
What I have found and read about kernel on ChromiumOS so far:
1. Official documentation, it explains about the partition pairs:
http://www.chromium.org/chromium-os/chromiumos-design-docs/disk-format
2. More info (I think you have it already) but I think it is outdated as "console=tty1" doesn't work anymore (ChromiumOS now uses Frecon):
https://chromium.googlesource.com/chromiumos/docs/+/master/kernel_faq.md
3. This is a nice repo, it explains a lot, specially about kernel modules (drivers):
https://github.com/dnschneid/crouton/wiki/Build-chrome-os-kernel-and-kernel-modules
From what I have used and tested, you can use GRIB to either boot from the vmlinuz.A/B image or use the partition with the kernel, using the partition is much complicated as you found out because it would need some blobs/keys.
lfom said:
Hello. I am really glad someone is trying to build and install a custom kernel for ChromiumOS, as it will help fix *many* compatibility issues as well as it will make possible to add support for some hardware and features (for instance, audio over Bluetooth doesn't work as of now because the support library needed for BlueZ isn't included).
My computer isn't working properly and I don't have much space to build the kernel by my own, but I can help with testing and research. If you could share the binaries online (maybe a Git with releases?), this would be great.
What I have found and read about kernel on ChromiumOS so far:
1. Official documentation, it explains about the partition pairs:
http://www.chromium.org/chromium-os/chromiumos-design-docs/disk-format
2. More info (I think you have it already) but I think it is outdated as "console=tty1" doesn't work anymore (ChromiumOS now uses Frecon):
https://chromium.googlesource.com/chromiumos/docs/+/master/kernel_faq.md
3. This is a nice repo, it explains a lot, specially about kernel modules (drivers):
https://github.com/dnschneid/crouton/wiki/Build-chrome-os-kernel-and-kernel-modules
From what I have used and tested, you can use GRIB to either boot from the vmlinuz.A/B image or use the partition with the kernel, using the partition is much complicated as you found out because it would need some blobs/keys.
Click to expand...
Click to collapse
Thanks for the resources, I am getting old, so rather hard to learn & deal with new stuff - tinkering OSes & software is a hobby for me, but I usually do test stuff, not create - I had nice experience with Hackintosh, before I owned my own Macbook Air, still use it from USB's & PC when needed.
So far, I find out blob does not improve matters, it just gets used, like above blob from ATB or FydeOS does same thing.
The way I started in this was just to get Acer Chromebook C720P to load Android, chromefy carried on better than where I started.
The most successful outcome for me is Acer Iconia W700 which works with eve 73 (leaked on Telegram)...
I have the resources to build the kernel - but it is not doing what I want, like booting ATB v72 in Acer CB C720P - it i not vital, C720P works well with FydeOS & cyan or eve 71, just a challenge - why is ATB v72 not booting properly - i's a graphics VESA or LVDS bios issue I believe (C720P board uses LVDS for graphics), but where does it get loaded, I believe it's before loading modules...
FydeOS 5.31 boots to a black screen on my Miix320 but I have to wait until it loads everything then I must hit Ctrl+Alt+F2 then go back to main screen and then it works properly thereafter. Is your Acer the one bellow? Maybe it's related?
http://www.chromebookspecs.com/acer-c720p-chromebook
By the other hand, I cannot enable clicking for the detachable touchpad (+keyboard), what is almost a dealbreaker... Neither it goes to tablet mode when I detach it from the keyboard (not a big deal).
By the other hand, it boots correctly on a ThinkPad 8 tablet, but if freezes after a few seconds unless I use acpi=off or noacpi as kernel parameters, what makes it usesless since it only detects USB hardware.
From the text I linked it seems that the extra data added to the kernel before flashing it to a disk partition is both its signature and kernel paramenters, so you may want to check if there is any special paramenter needed for the kernel to boot correctly on your C720P.
FydeOS base upgrading kernel from 4.14.67 to 4.14.96
Kernel 4.14.96 upgrade progress -
I allowed
CONFIG_TCG_VTPM_PROXY=m
in .config
& this allowed me to update a chromefied FydeOS with eve/caroline 71 to eve 73 dev by using chromefy2!
this in turn allowed me to use an edimax Wifi USB dongle in MacBook Air -
the onboard WiFi still not loading, no trackpad but still progress :relaxed:
so modules do get loaded unlike my concern, it's just a matter to identify the proper entry in .config to load them when compiling the kernel...
now what are the proper entries for internal WiFi & trackpad?
Extra - Icing on the cake -
FydeOS 5.3.1 with eve dev 73 - putting the correct files in place allows to load kernel 4.14.83 & its modules to get crostini -
of course loading FydeOS kernel which is 4.14.67 stops Android 9.
This amended chromefy.sh script might help with MacBooks for trackpad & WiFi.
https://github.com/youngyou/chromefy/blob/master/chromefy.sh
*** Important note ***
To install the kernel modules in the Chrome OS box, you need to install Chromebrew to have access to the necessary commands -
$ curl -Ls http://git.io/vddgY | bash
In kernel source code folder:
$ sudo make modules_install
then copy bzImage over vmlinuz.A (after backing up the original)
I am planning to release an archive with kernels & modules including the one I built, it will be
vmlinuz.A.67(4.14.67); vmlinuz.A.83 (4.14.83); vmlinuz.A.96 (4.14.96); & corresponding /lib/modules folder
FydeOS 5.3.1 - ATB v72 - my built kernel
Notes -
Kernel 4.14.96 upgrade progress - I allowed CONFIG_TCG_VTPM_PROXY=m so this allowed me to update a chromefied FydeOS to eve 73 dev by using chromefy2! this in turn allowed me to use an edimax Wifi USB dongle in MacBook Air - the onboard WiFi still not loading, no trackpad but still progress :relaxed:
Icing on the cake - FydeOS 5.3.1 with eve dev 73 - putting the correct files in place allows to load kernel 4.14.83 & its modules to get crostini - of course loading FydeOS kernel which is 4.14.67 stops Android 9.
Cool progress - I managed to boot to the GUI of Acer CB C720P with eve dev v73 - still need to iron out something, but could get into guest mode, & to linux prompt - this is great :stuck_out_tongue_winking_eye: this is using kernel 4.14.83 on top of FydeOS 5.3.1
Finally managed to log into my google account in Acer CB C720P- next hurdle, will Android 9 work? - crostini back in the menu -
hurdle - despite changing vmlinuz.A to 4.14.83 or 4.14.96 - it still only loads FydeOS 4.14.67
so
I learnt something new, which means I need to learn more -
when you boot to a real chromebook from usb or internal, it will look for the kernel in the blob KERN-A /dev/sdx2, & will not use the vmlinuz.A in /dev/sdx12 -
so with FydeOS stuck with kernel 4.14.67 -
if I boot from other laptop, blob is not used, vmlinuz.A instead -
so I need to produce new KERN-A /dev/sdx2 blob for new kernel,
FydeOS blob is 16MB, ATB v72 blob is 64MB,
so to flash I need to play with partitions, tricky, & did not work...
still didn't figure out how to make a new blob for a new kernel...
RFC - how to produce a blob for loading a new kernel?
RFC - how to produce a blob for loading a new kernel?
If there is a way to find out how to produce a blob of an updated kernel for a genuine vanilla chromebook such as Acer Chromebook C720P - I will post it here...
Google open source documentation is very confusing about this - it might also be generated when setting up a Chromium OS from scratch (my thread on this is halted for now, but I have all the setup foundation to build)...
What I gather is that vmlinuz.A is the kernel, but for chromebooks, the kernel is also contained in the blob which is in partition /dev/sdx2 labelled KERN-A -
so I need to produce an image kern-a.bin which I then flash to /dev/sdx2 - with FydeOS 5.3.1 the KERN-A blob contains Kernel 4.14.67, with ATB v72 Kernel 4.14.83...
the dilemma is that KERN-A size for FydeOS 5.3.1 is 16 MB & for ATB v72 it is 64MB, so I cannot flash the latter onto the former.
I need to find out how to create a 64MB image for KERN-A from a given kernel, such as ATB v72 or my compiled one which is 4.14.96 -
Anyone who has a clue, & better has the correct instructions to do so, please help...
Actually, you don't need to: you can use the compressed image with GRUB2, and it will boot using your system and state (data) partition.
lfom said:
Actually, you don't need to: you can use the compressed image with GRUB2, and it will boot using your system and state (data) partition.
Click to expand...
Click to collapse
Using a modified FydeOS 5.3.1 as base, no matter I change the kernel, it boots its own 4.14.67 kernel on Acer CB C720P - however using non chromebook devices such as macbook, allow me to boot vmlinuz.A & its associated /lib/modules/...
Care to share how to use grub2 to override the above?
Dual Boot ChromeOS with Linux or Windows!
Update 1: This thread has been fully rewritten for Windows too!
Update 2: Added Steps for Arch Based Distros!
This guide will tell you how you can dual boot ChromeOS with Linux or Windows! This guide is based on the official GitHub page!
Update2: Added troubleshoot section: Added ChromeOS not detecting fix
INDEX
• About
• Requierments
• Downloads
• Intel CPUs
• Types of recoveries
• AMD CPUs
• Linux Installation
• Preparing environment
• Installation
◦ Gparted
◦ Secureboot
• Windows Installation
• Preparing Linux Environment
◦ Preparing Environment
◦ Installation
◦ Secureboot
• Troubleshoot
• Fix ChromeOS not detecing
• Credits
AboutChromeOS, is an Operating system based on Gentoo Linux and designed by Google based on the ChromiumOS an open source project but unlike that ChromeOS is not open source, ChromeOS uses Google API and has intergrated Google Apps and Google Chrome as its interface! It also supports android apps!
Why chromeOS ? ChromeOS is a very smooth OS unlike other Android-x86 projects it is a fully functional and powerful OS, though it is not an ideal choice for gaming because it does not support the keymapping function. But if it ever gets Key Mapping there is no better option for running android for your PC other than chromeOS
Brunch, To keep it short and simple brunch is a framework which can help you to run ChromeOS on your Device even if its not a chromebook!
Requierments
• qs-x86_64 based computer with UEFI boot support (you can check that just search on google if you don’t know)
◦ With MBR patch your MBR/Legacy device might be supported
• Administrator Permissions
• Should have an Intel CPU (check conditions for that too)
◦ Intel 1st gen Core are supported only till ChromeOS 81 (This release may not be available anymore)
◦ Atom, Celeron and Pentium processors are supported since Baytrail and later versions!
• AMD Ryzen and AMD Stoney Ridge are supported, but it is limited
• Nvidia GPUs are not supported (if you have one then its ok, but ChromeOS won’t detect it)
• No Virtual Machines (VMs) are supported
• ARM CPUs are not supported at all, No luck guys
• Intel Core 2 Duo and older CPUs are not supported
Now if you are supported then Great! Lets move on!
DOWNLOADS
NOTE: you can even download the eve image which is the best as its the official Pixelbook recovery, but remember the boot chances are less with that so If you don't have time/data download from the below images
Intel CPUs
• If your CPU is 10th and 11th gen open this Link note the versions and proceed to download from HERE but before read below
◦ 11th gen and some 10th gen CPUs may need kernel 5.10
• If your CPU is 1st gen to 9th gen then after opening this Link, note the versions and proceed to download from HERE and before downloading read below,
Stable Builds
For daily and frequent use [Recommeneded for average users],
these builds are reliable and are pretty stable for day-to-day use and are recommended.
Beta Builds
Good for daily use and more Beta features [Recommended],
these builds are pretty stable and relaible with a few more Beta features and just a few bugs. These are recommended and also if the stable build is not availible.
Dev Builds
Buggy and more features [Power users only, Not Recommended],
these builds are not very stable and are buggy but have more features! Not recommended for daily use. These builds are ideal for developers who want to test out some features (Liveboot)
Canary Builds
Unstable! Experimental feaatures! [NOT Recommended][DEVs ONLY],
These builds have a lot of bugs but the most of the features! These builds are not intended for average users and are only for testing.
AMD CPUs
• For Stoney Ridge and Bristol Ridge Click Here but before read the above info carefully
and proceed to download from HERE
• For Ryzen Click here but read above before downloading then carefully
and proceed to download from HERE
• for Ryzen 4xxx devices you need kernel 5.10
As of I am writing this I have an Intel 10th gen CPU and the Stable builds are unavailable so I will be downloading the BETA Build which are quite stable too!
Now we have to also download Brunch, download the latest stable version from HERE
LINUX
Prerequisites,
• You should be on a Linux Distro
• Root access
• Atleast 16gb storage you can give to the OS
• Your PC should support Brunch
• Some basics of linux terminal (if not I recommend to learn because this helps in troubleshooting problems)
• Grub2 Bootloader
Preparing the Environment
Now open Terminal by Ctrl+Alt+T
and run,
Lets enable super user permissions using the following command
Bash:
sudo su
Enter password if it asks and hit enter
Debian based Distros:
Its a good thing to update and upgrade the packages by running this command,
Bash:
sudo apt update && upgrade
Lets install the required packages the command below will install pv, tar, unzip, cgpt and gparted,
Bash:
sudo apt install pv tar unzip cgpt gparted
Arch Based Distros:
Bash:
sudo pacman -Syu pv tar unzip gparted && yay -S cgpt
Side Notes
____________________________________________________________________________________
pv,
Pipe Viewer, known as pv is a package which allows the user for the monitering of data being sent through pipe, it helps the user by giving them a visual display
Tar,
tape archive. Known as tar is used to create and extract archive files in the format of .tar, .tar.gz etc...
Cgpt,
Cgpt is a tool to manipulate GUID Partition Table from command line. It also supports ChromiumOS extentions
Gparted,
Gparted is an Advanced disk manager, its simple yet powerful UI makes it easier to create, delete or modify any partition!
Unzip
unzip command simply extracts zip files!
_____________________________________________________________________________________
Now lets go into Documents using the cd command cd simply means change directory
Bash:
cd Documents
Now lets create a new folder and open that to keep things clean and tidy
mkdir command means make directory (make folder) and cd is change to directory
Bash:
mkdir ChromeOS && cd ChromeOS
now cut/move the downloaded files to documents/ChromeOS from your file manager
Installation
Now we will extract the tar.gz archive using tar we previously downloaded! Tar calles the command to run tar and zxvf is to extract the file in format of tar.gz
Bash:
tar zxvf brunch_ filename.tar.gz
Replace the brunch_filename.tar.gz from your actual bruch file’s name
now we also want to extract the chromeos zip file this file can be extracted by using the unzip command!
Bash:
unzip chromeos_ filename.bin.zip
Replace the chromeos_filename.bin.zip from your actual chromeOS file’s name
once done
if you already have an empty disk and are deciding to use that for installation then just check these things:
the partition should be ext4 or ntfs (ext4 recommended)
if not or if you don’t know what partition is it then
1. open Gparted and if under the file system your partion shows ext4 then close Gparted and if not then
2. right click the patition then
3. select format to and
4. select ext4 after that
5. click the ✓ logo and proceed after that
6. close Gparted.
If you don’t have a free partition or you want to create a different partition then,
minimize terminal and open Gparted (if you ran the first command it is automatically installed).
1. Now open Gparted and
2. Resize your storage and free up 16-100 gb of storage, to do that right click the partition you want to give storage from,
3. Click on the resize/move and
4. In the Free space following (MiB) text box enter the amount of storage you want to give to chromeOS in MB and click resize,
5. now you will notice a new space created called unallocated right click on it then click on new.
6. Now select Create as Primary Partion and File System: ext4 and click add! Now again click the ✓ Icon and proceed.
Also in Gparted note the name of your ChromeOS partition below the “Partition” table
for eg: /dev/sda11, /dev/mmcblk0p5 or /dev/nvme0n1p4
now open terminal,
now we will create a new mountpoint for that we will create a new directory using mkdir. The ~ is a symbol of your home directory so ~/tmpmount actually means home/tmpmount!
Bash:
mkdir -p ~/tmpmount
Now its time to mount the partition at the mountpoint
now this command will mount your partition named dev/partion to tmpmount!
Bash:
sudo mount /dev/partition ~/tmpmount
here replace the ‘partition’ to your partition name you saw in Gparted
Now
as we did before replace the chromeos_filename.bin to your actual file’s name and also replace the size from the amount of storage you want to give to chromeOS, minimum 16gb maximum your choice.
This command runs the chromeos-install.sh file in bash this file runs the installer! With the source (-src) being chromeos.bin file and the destination (-dst) being ~/tmpmount/chromeos.img and the size (-s) is what you desire
Bash:
sudo bash chromeos-install.sh -src chromeos_filename.bin -dst ~/tmpmount/chromeos.img -s size
Now if it asks for confirmation then type yes in the prompt
Now after it is over you should see something like this:
**************************************************************
menuentry "ChromeOS" --class "brunch" {
rmmod tpm
search --no-floppy --set=root --file /chromeos.img
loopback loop /chromeos.img
source (loop,12)/efi/boot/settings.cfg
if [ -z $verbose ] -o [ $verbose -eq 0 ]; then
linux (loop,7)$kernel boot=local noresume noswap loglevel=7 options=$options chromeos_bootsplash=$chromeos_bootsplash $cmdline_params \
cros_secure cros_debug loop.max_part=16 img_uuid=8191adfb-ab27-4e4d-a12e-b9e49aa1b466 img_path=/chromeos.img \
console= vt.global_cursor_default=0 brunch_bootsplash=$brunch_bootsplash quiet
else
linux (loop,7)$kernel boot=local noresume noswap loglevel=7 options=$options chromeos_bootsplash=$chromeos_bootsplash $cmdline_params \
cros_secure cros_debug loop.max_part=16 img_uuid=8191adfb-ab27-4e4d-a12e-b9e49aa1b466 img_path=/chromeos.img
fi
initrd (loop,7)/lib/firmware/amd-ucode.img (loop,7)/lib/firmware/intel-ucode.img (loop,7)/initramfs.img
}
menuentry "ChromeOS (settings)" --class "brunch-settings" {
rmmod tpm
search --no-floppy --set=root --file /chromeos.img
loopback loop /chromeos.img
source (loop,12)/efi/boot/settings.cfg
linux (loop,7)/kernel boot=local noresume noswap loglevel=7 options= chromeos_bootsplash= edit_brunch_config=1 \
cros_secure cros_debug loop.max_part=16 img_uuid=8191adfb-ab27-4e4d-a12e-b9e49aa1b466 img_path=/chromeos.img
initrd (loop,7)/lib/firmware/amd-ucode.img (loop,7)/lib/firmware/intel-ucode.img (loop,7)/initramfs.img
*******************************************************************
Now copy the text similar to this from your terminal and paste it in a notes app or save it somewhere.
Now the end is near!
Now run this command which will copy the given
Bash:
sudo cp /etc/grub.d/40_custom /etc/grub.d/99_brunch
Running this command will open the nano text editor to edit these files,
Bash:
sudo nano /etc/grub.d/99_brunch
Now a file will open,
1. Now paste the text you copied before in a new line
2. then press Ctrl+X then type y to save it and hit enter
Now lastly run,
Debian:
Bash:
sudo update-grub
and
Bash:
sudo update-grub2
Arch:
Bash:
sudo pacman -Syu
this will update your grub configuration!
Now for those who have secure boot enabled you will have to follow some extra steps.
Now there are 2 ways:
• Way 1 [run if Way 2 does not work]: Go to BIOS Setup and simply disable SecureBoot and boot into ChromeOS
• Way 2 [Recomended]: Download the file from this link and paste the file in the ChromeOS folder
open terminal and run:
Bash:
cd Documents/ChromeOS
Bash:
sudo mokutil --import brunch.der
and thats it!
Windows
Prerequesites,
• Administrator access
• you have to give atleast 16gb to ChromeOS minimum, the disk should be
bitlocker disabled, and the format should be NTFS
• Windows Subsystem for Linux 2 (WSL2) or use Cygwin
• pv, tar, unzip and cgpt should be installed
• Basic Linux command knowledge
Preparing the Linux Environment
• For windows 10 and 11 users
Open Powershell and run
Code:
wsl –install
thats it
NOTE: You must be running Windows 10 version 2004 and higher (Build 19041 and higher) or Windows 11.
• for Windows 7 & 8/8.1 (works for windows 10 and 11 too)
Download and install Cygwin from HERE
after this run the CygWin terminal (for CygWin users) and for WSL2 users launch it!
Preparing Environment
And run this
Bash:
sudo apt update && sudo apt -y install pv cgpt tar unzip
If the process ends with errors then run this:
Bash:
sudo add-apt-repository universe
and run
Bash:
sudo apt update && sudo apt -y install pv cgpt tar unzip
Installation
Bash:
cd /mnt/c/Users/username/Downloads
Here replace the username by your actual username
Now run,
Bash:
tar zxvf brunch_filename.tar.gz
replace the brunch_filename.tar.gz from the real filename
Now run,
Bash:
unzip chromeos_filename.bin.zip
Here replace chromeos_filename.bin.zip from the actual filename (cmon you know the drill)
Now run,
Bash:
mkdir /mnt/c/Users/username/brunch
Again replace the username from the real username (if you want to install it in C disk)
Run,
Bash:
mkdir /mnt/d/brunch
(if you want to install in Disk D)
Now run,
Bash:
sudo bash chromeos-install.sh -src chromeos_filename.bin -dst /mnt/c/Users/username/brunch/chromeos.img -s size
Here replace chromeos_filename.bin from the real one, and replace size from the storage you want to provide (give atleast 16 gb)
Now Install Grub2Win from HERE
and run it
then click on the Manage Boot Menu and then add a new entry
Select the create user section from the type section.
Now open chromeos.grub.txt saved earlier, it will be in the same directory and copy the grub boot entries saved in that file and copy them to Grub2win
then click Ok and Apply to save the entries into Grub2win
To prevent windows from locking the NTFS partition I recommend you to switch off secureboot!
Troubleshoot
ChromeOS boot fix
this fix includes:
• Grub bootloader does not show up
• PC/Laptop directly boots into the MainOS
• the menu boot time is too short
• etc
Now there is a common issue where you have installed ChromeOS but the grub menu does not show up and your PC directly boots into the MainOS (Windows/Linux) these steps will help you fix it!
open terminal and run
Bash:
sudo apt install gedit
this will install Gedit
Gedit
is a simple text editor which is commonly used to edit system files
next run,
Bash:
sudo gedit /etc/default/grub
This will open a text document in gedit
If it asks for password then type it
Now the usual default format of the text document is like this:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=0
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
Now you will see GRUB_TIMEOUT_STYLE=hidden
here replace the hidden from menu
next
in GRUB_TIMEOUT=0 change 0 from any number this is for how many seconds the grub menu should be visible, I recommend replacing 0 from 30.
thats it! save the file and run the command:
Bash:
sudo update-grub
and
Bash:
sudo update-grub2
Reboot now you should be able to see chromeOS in your menu!
Credits,
• Google
• Android
• ChromeOS Devs
• GitHub
• XDA
• Brunch
• Project Croissant
• Me
-Manav Harsana
possible windows 11?
ismatovvsanjarbek said:
possible windows 11?
Click to expand...
Click to collapse
This thread is for linux, I will add for windows
ismatovvsanjarbek said:
possible windows 11?
Click to expand...
Click to collapse
Added tutorial for windows!
Cygwin uses less data (and storage space) than the WSL route, right?
Also from what I understand there's no need to setup a dedicated partition for brunch? I had used Puppy Linux earlier where the file system could be located in a folder.
Edit: Cygwin does indeed use very little data no more than 30MB downloaded in the default config.
Edit2: Couldn't run the commands in Cygwin. Some error about sudo not being found. WSL2 was easy to install and didn't take more than 500MB data.
amn1987 said:
Cygwin uses less data (and storage space) than the WSL route, right?
Also from what I understand there's no need to setup a dedicated partition for brunch? I had used Puppy Linux earlier where the file system could be located in a folder.
Edit: Cygwin does indeed use very little data no more than 30MB downloaded in the default config.
Edit2: Couldn't run the commands in Cygwin. Some error about sudo not being found. WSL2 was easy to install and didn't take more than 500MB data.
Click to expand...
Click to collapse
I mean we can install it but 1. Its better to keep it clean ig 2. I am lazy im not gonna add another method for sometime atleaset. For that Cygwin thing idk I use Arch btw so idk about cygwin and stuff
I cant find the way to download beta or dev image, https://chromiumdash.appspot.com/serving-builds?deviceCategory=Chrome OS only allow download stable version
oldman20 said:
I cant find the way to download beta or dev image, https://chromiumdash.appspot.com/serving-builds?deviceCategory=Chrome OS only allow download stable version
Click to expand...
Click to collapse
Thats because the dev or beta build for the model may not be their, wait it out or try someother image