diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2022-02-07 23:08:42 +0100 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2022-02-07 23:08:42 +0100 |
commit | 6122629eeb3393ce87fbe10a70f43ae952a97ae4 (patch) | |
tree | f2e6d50e30d9fd8d3bf2a1fb44f0cce106a55f67 /docs | |
parent | a5264e6a1d420217bab5f6ccadcb4972e52df37b (diff) |
goodbye systemd, never worked fully on a openadk emulator or device. Use simple static device nodes with devtmpfs as default. mdev is to bloated for some devices
Diffstat (limited to 'docs')
-rw-r--r-- | docs/running-openadk.txt | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/docs/running-openadk.txt b/docs/running-openadk.txt index a0676bbce..205b0d292 100644 --- a/docs/running-openadk.txt +++ b/docs/running-openadk.txt @@ -60,8 +60,6 @@ OpenADK is generated while producing the +base-files+ package. The main job the default inittab does is to start the +/etc/init.d/rcS+ shell script, and start one or more +getty+ programs (which provides a login prompt). -Support for systemd and s6 is very experimental at the moment. - /dev management ~~~~~~~~~~~~~~~ @@ -73,19 +71,21 @@ hardware devices, even if they are properly recognized by the Linux kernel. In OpenADK you can choose between different types of device managements. -OpenADK defaults to *dynamic device nodes using devtmpfs and mdev*. This method -relies on the _devtmpfs_ virtual filesystem in the kernel, which is enabled by -default for all OpenADK generated kernels, and adds the +mdev+ userspace -utility on top of it. +mdev+ is a program part of Busybox that the kernel will -call every time a device is added or removed. Thanks to the +/etc/mdev.conf+ -configuration file, +mdev+ can be configured to for example, set specific -permissions or ownership on a device file, call a script or application -whenever a device appears or disappear, etc. Basically, it allows _userspace_ -to react on device addition and removal events. +mdev+ is also important if you -have devices that require a firmware, as it will be responsible for pushing the -firmware contents to the kernel. +mdev+ is a lightweight implementation (with -fewer features) of +udev+. For more details about +mdev+ and the syntax of its -configuration file, see http://git.busybox.net/busybox/tree/docs/mdev.txt. +OpenADK defaults to *static device nodes using devtmpfs*. That is the simplest +way available. Most users might like to change it to *dynamic device nodes +using devtmpfs and mdev*. This method relies on the _devtmpfs_ virtual +filesystem in the kernel, which is enabled by default for all OpenADK generated +kernels, and adds the +mdev+ userspace utility on top of it. +mdev+ is a +program part of Busybox that the kernel will call every time a device is added +or removed. Thanks to the +/etc/mdev.conf+ configuration file, +mdev+ can be +configured to for example, set specific permissions or ownership on a device +file, call a script or application whenever a device appears or disappear, etc. +Basically, it allows _userspace_ to react on device addition and removal +events. +mdev+ is also important if you have devices that require a firmware, +as it will be responsible for pushing the firmware contents to the kernel. ++mdev+ is a lightweight implementation (with fewer features) of +udev+. For +more details about +mdev+ and the syntax of its configuration file, see +http://git.busybox.net/busybox/tree/docs/mdev.txt. initscripts ~~~~~~~~~~~ |