Loading App Binaries/Libraries from a Separate Partition

General
1

I know that Sculpt supports placing application binaries or libraries on a separate partition from the main OS, so the OS can boot fast and the binaries are loaded on-demand from the second partition.

I’ve tried to set this up myself, but I haven’t been able to fully implement the routing and loading workflow. (I realized that using a ROM_FS and attaching it to a storage filesystem like EXT2 on SATA, specifically on partition 2, should make this possible, but I couldn’t get it to work.)

For example, I want to run an app like test_application that depends on Qt5 libraries, in one of these ways:

Option 1: Separate libraries partition

part0: main partition (OS root)
       |
       -> app/test_application   (loads dependencies from part1)

part1: libs
       |
       -> qt5_base.lib.so
       -> qt5_dejavusans.lib.so

Option 2: Separate apps partition

part0: main partition (OS root)
       |
       -> init   (loads test_application from part1)

part1: apps
       |
       -> test_application

       libs
       |
       -> qt5_base.lib.so
       -> qt5_dejavusans.lib.so

I’m looking for:

  • A concrete example of placing binaries or libraries on a secondary partition.

  • How to configure Genode to load them dynamically at runtime.

  • Any notes on capabilities management, dataspace attachment, or routing for this.

Any example, config snippet, or reference would be really helpful.