Thank you for the resources. However, I am stuck on running the run script from [2]. The only changes I made to the run script were related to the build options to fix some initial errors (I have attached the modified script below).

The error I get stuck on seems to be related to the ROM-Session, I have attached a log file below.

Best, Rumen

________________________________ From: Josef Söntgen josef.soentgen@genode-labs.com Sent: Tuesday, August 13, 2024 3:58 PM To: Genode users mailing list users@lists.genode.org Subject: Re: Logging Based File System Support in Genode

Hi Rumen,

...

Does anyone know of any projects / plugins that support a logging file system (e.g. ext3/4) in Genode?

There is lwext4_fs in the genode-world repository. I never used it, therefore I can't tell you about state it is in.

There is indeed a port of the 'lwext4' [1] library for Genode and by now a VFS plugin that utilizes the library. However, I recently moved it from genode-world to my personal Genode “playground” [2].

[1] https://github.com/gkostka/lwext4 [2] https://codeberg.org/jws/genode-wundertuete/src/branch/sculpt-24.04-2024-04-...

I use it on a daily basis (it is integrated in my personal Sculpt branch [3]) and at least in my limited usage it works well enough. There are known limitations in the library (some features of Ext4 that are enabled by default by now are not supported so you have to prepare the FS in a certain way and sparse files are not supported) and the plugin itself is quite plain.

[3] https://github.com/cnuke/genode/commits/sculpt-24.04-2024-04-26/

So, since you aim for a “logging file system”, I assume your use-case might require specific properties and given its current state, the 'vfs_lwext4' plugin probably does not fit the bill.

Regards Josef

-- Josef Söntgen Genode Labs

http://www.genode-labs.com/ · http://genode.org/

Thanks, that fixed it!

Rumen ________________________________ From: Sebastian Sumpf Sebastian.Sumpf@genode-labs.com Sent: Wednesday, August 14, 2024 9:05 AM To: users@lists.genode.org users@lists.genode.org Subject: Re: Logging Based File System Support in Genode

Hello Rumen, On 14.08.24 10:55, Rumen Mitov wrote:

Thank you for the resources. However, I am stuck on running the run script from [2]. The only changes I made to the run script were related to the build options to fix some initial errors (I have attached the modified script below).

The error I get stuck on seems to be related to the ROM-Session, I have attached a log file below.

it looks like you need to add 'lib/libc' to the build_components, also because of the 'build_artifacts' change, you can remove boot_modules and change build_boot_image to

! build_boot_image [list {*}[build_artifacts] ext4.raw]

in order to add the ext4.raw image.

Cheers,

Sebastian

---

*From:* Josef Söntgen josef.soentgen@genode-labs.com *Sent:* Tuesday, August 13, 2024 3:58 PM *To:* Genode users mailing list users@lists.genode.org *Subject:* Re: Logging Based File System Support in Genode Hi Rumen,

...

...

Does anyone know of any projects / plugins that support a logging file system (e.g. ext3/4) in Genode?

There is lwext4_fs in the genode-world repository. I never used it, therefore I can't tell you about state it is in.

There is indeed a port of the 'lwext4' [1] library for Genode and by now a VFS plugin that utilizes the library. However, I recently moved it from genode-world to my personal Genode “playground” [2].

[1] https://github.com/gkostka/lwext4 https://github.com/gkostka/lwext4 [2] https://codeberg.org/jws/genode-wundertuete/src/branch/sculpt-24.04-2024-04-... https://codeberg.org/jws/genode-wundertuete/src/branch/sculpt-24.04-2024-04-19

I use it on a daily basis (it is integrated in my personal Sculpt branch [3]) and at least in my limited usage it works well enough. There are known limitations in the library (some features of Ext4 that are enabled by default by now are not supported so you have to prepare the FS in a certain way and sparse files are not supported) and the plugin itself is quite plain.

[3] https://github.com/cnuke/genode/commits/sculpt-24.04-2024-04-26/ https://github.com/cnuke/genode/commits/sculpt-24.04-2024-04-26/

So, since you aim for a “logging file system”, I assume your use-case might require specific properties and given its current state, the 'vfs_lwext4' plugin probably does not fit the bill.

Regards Josef

-- Josef Söntgen Genode Labs

http://www.genode-labs.com/ http://www.genode-labs.com/ · http://genode.org/ http://genode.org/

---

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-- Sebastian Sumpf Genode Labs

http://www.genode-labs.com · http://genode.org

Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

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