genode/repos
Norman Feske b723b11b30 Modularize Sculpt OS image creation
This patch equips Sculpt with the ability to customize the system image
in very flexible ways.

All customizable aspects of the image have been relocated from the
former sculpt.run script and the accompanied gems/run/sculpt/ directory
to a new location - the sculpt/ directory - which can exist in any
repository. The directory at repos/gems/sculpt/ serves as reference.

The sculpt directory can host any number of <name>-<board>.sculpt files,
each containing a list of ingredients to be incorporated into the
Sculpt system image. The <name> can be specified to the sculpt.run
script. E.g., the following command refers to the 'default-pc.sculpt'
file:

  make run/sculpt KERNEL=nova BOARD=pc SCULPT=default

If no 'SCULPT' argument is supplied, the value 'default' is used.

A .sculpt file refers to a selection of files found at various
subdirectries named after their respective purpose. In particular, There
exists a subdirectory for each file in Sculpt's config fs, like
nitpicker, drivers... The .sculpt file selects the alternative to use
by a simple tag-value notation.

  drivers: pc

The supported tags are as follows.

*Optional* selection of /config files. If not specified, those files are
omitted, which prompts Sculpt to manage those configurations
automatically or via the Leitzentrale GUI:

  fonts
  nic_router
  event_filter
  wifi
  runtime
  gpu_drv

Selection of mandatory /config files. If not specified, the respective
'default' alternative will be used.

  nitpicker
  deploy
  fb_drv
  clipboard
  drivers
  numlock_remap
  leitzentrale
  usb
  system
  ram_fs

Furthermore, the .sculpt file supports the optional selection of
supplemental content such as a set of launchers.

  launches: nano3d system_shell

Another type of content are the set of blessed pubkey/download files
used for installing and verifying software on target.

With the new version, it has become possible to supply a depot with the
the system image. The depot content is assembled according to the 'pkg'
attributes found in launcher files and the selected deploy config.
The resulting depot is incorporated into the system image as 'depot.tar'
archive. It can be supplied to the Sculpt system by mounting it into the
ram fs as done by the 'ram_fs/depot' configuration for the ram fs.

It is possible to add additional boot modules to the system image. There
are two options.

  build: <list of targets>

This tag prompts the sculpt.run script to build the specified targets
directly using the Genode build system and add the created artifacts
into the system image as boot modules.

  import: <list of depot src or pkg archives>

This tag instructs Sculpt to supply the specifid depot-archive content
as boot modules to the system image. This change eliminates the need for
board-specific pkg/sculpt-<board> archives. The board-specific
specializations can now be placed directly into the respective .sculpt
files by using 'import:'.

To make the use of Sculpt as testbed during development more convenient,
the log output of the drivers, leitzentrale, and runtime subsystems
can be redirected to core using the optional 'LOG=core' argument, e.g.,

  make run/sculpt KERNEL=linux BOARD=linux LOG=core

The former pkg/sculpt-installation and pkg/sculpt-installation-pc
archives have been replaced by pkg/sculpt_distribution-pc, which
references the generic pkg/sculpt_distribution archive. Those pkgs are
solely used for publishing / distribution purposes.

Fixes #4369
2022-01-19 12:38:11 +01:00
..
base mk: record build artifacts in progress.log 2022-01-19 12:38:11 +01:00
base-fiasco depot: update recipe hashes 2021-12-17 15:06:38 +01:00
base-foc foc: disable thread execution time readout 2022-01-19 12:35:49 +01:00
base-hw depot: update recipe hashes 2021-12-17 15:06:38 +01:00
base-linux base-linux: increase global cap limit to 20000 2022-01-19 12:35:49 +01:00
base-nova depot: update recipe hashes 2021-12-17 15:06:38 +01:00
base-okl4 depot: update recipe hashes 2021-12-17 15:06:38 +01:00
base-pistachio depot: update recipe hashes 2021-12-17 15:06:38 +01:00
base-sel4 depot: update recipe hashes 2021-12-17 15:06:38 +01:00
dde_bsd dde_bsd: update mirror URL 2022-01-19 12:35:49 +01:00
dde_ipxe depot: update recipe hashes 2021-12-17 15:06:38 +01:00
dde_linux depot: update recipe hashes 2021-12-17 15:06:38 +01:00
dde_rump depot: update recipe hashes 2021-12-17 15:06:38 +01:00
demo depot: update recipe hashes 2021-12-17 15:06:38 +01:00
gems Modularize Sculpt OS image creation 2022-01-19 12:38:11 +01:00
hello_tutorial hello: fix resource config / add to autopilot list 2021-10-13 14:46:51 +02:00
libports libc: nameserver file in configured socket directory 2022-01-19 12:35:48 +01:00
os Modularize Sculpt OS image creation 2022-01-19 12:38:11 +01:00
ports Move depot keys to repos/gems/sculpt/depot 2022-01-19 12:35:49 +01:00
README Remove support for the Muen separation kernel 2021-02-23 11:55:44 +01:00

                      ===============================
                      Genode source-code repositories
                      ===============================


This directory contains the source-code repositories of the Genode OS
Framework. Each sub directory has the same principle layout as described in the
build-system manual:

:Build-system manual:

  [https://genode.org/documentation/developer-resources/build_system]

The build system uses a configurable selection of those reposities to obtain
the source codes for the build process. The repositories are not independent
but build upon of each other:

:'base':

  This directory contains the source-code repository of the fundamental
  frameworks and interfaces of Genode. Furthermore, it contains the generic
  parts of core.

:'base-<platform>':
  These directories contain platform-specific source-code repositories
  complementing the 'base' repository. The following platforms are supported:

  :'linux':
    Linux kernel (both x86_32 and x86_64)

  :'nova':
    NOVA hypervisor developed at University of Technology Dresden

  :'foc':
    Fiasco.OC is a modernized version of the Fiasco microkernel with a
    completely revised kernel interface fostering capability-based
    security. It is not compatible with L4/Fiasco.

  :'hw':
    The hw platform allows the execution of Genode on bare ARM and x86 hardware
    without the need for a separate kernel. The kernel functionality is
    included in core.

  :'okl4':
    OKL4 kernel (x86_32 and ARM) developed at Open-Kernel-Labs.

  :'pistachio':
    L4ka::Pistachio kernel developed at University of Karlsruhe.

  :'fiasco':
    L4/Fiasco kernel developed at University of Technology Dresden.

  :'sel4':
    seL4 microkernel developed at NICTA/General Dynamics
    See[https://sel4.systems/]

:'os':

  This directory contains the non-base OS components such as the init process,
  device drivers, and basic system services.

:'demo':

  This directory contains the source-code repository of various services and
  applications that we use for demonstration purposes. For example, a graphical
  application launcher called Launchpad and the Scout tutorial browser.

:'hello_tutorial':

  Tutorial for creating a simple client-server scenario with Genode. This
  repository includes documentation and the complete source code.

:'libports':

  This source-code repository contains ports of popular open-source libraries
  to Genode, most importantly the C library. The repository contains no
  upstream source code but means to download the code and adapt it to Genode.
  For instructions about how to use this mechanism, please consult the README
  file at the top level of the repository. Among the 3rd-party libraries
  are Qt5, libSDL, freetype, Python, ncurses, Mesa, and libav.

:'dde_linux':

  This source-code repository contains the device driver environment for
  executing Linux device drivers natively on Genode. Currently, this
  repository hosts the USB stack.

:'dde_ipxe':

  This source-code repository contains the device-driver environment for
  executing drivers of the iPXE project.

:'dde_bsd':

  This source-code repository contains the device-driver environment for
  drivers of the OpenBSD operating system.

:'dde_rump':

  This source-code repository contains the port of rump kernels, which are
  used to execute subsystems of the NetBSD kernel as user level processes.
  The repository contains a server that uses a rump kernel to provide
  various NetBSD file systems to Genode.

:'ports':

  This source-code repository hosts ports of 3rd-party applications to
  Genode. The repository does not contain upstream source code but provides
  a mechanism for downloading the official source distributions and adapt
  them to the Genode environment. The used mechanism is roughly the same
  as used for the 'libports' repository. Please consult 'libports/README'
  for further information.

:'gems':

  This source-code repository contains Genode applications that use
  both native Genode interfaces as well as features of other high-level
  repositories, in particular shared libraries provided by 'libports'.