Ingredients of a System Image: Difference between revisions
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Our DHCOM computer on module units are supplied initially programmed with the bootloader U-Boot. We offer pre-programming with the firmware image for the delivery in the series. The following table indicates which components therefor necessarily have to be already provided by you and which are optional depending on the situation. | |||
== Linux == | |||
{| class="wikitable" | style="width: 100%; color: #000000; background: #FFFFFF;" valign="top" | | {| class="wikitable" | style="width: 100%; color: #000000; background: #FFFFFF;" valign="top" | | ||
!<tt>Image Component </tt> | !<tt>Image Component </tt> | ||
Revision as of 10:07, 16 March 2016
Our DHCOM computer on module units are supplied initially programmed with the bootloader U-Boot. We offer pre-programming with the firmware image for the delivery in the series. The following table indicates which components therefor necessarily have to be already provided by you and which are optional depending on the situation.
Linux
| Image Component | Required | Recommended | Note |
|---|---|---|---|
| Bootloader U-Boot | No | No | In the most cases there are no project specific features in the bootloader. If you do not provide a customized bootloader we at DH electronics assume it is ok to use our latest version with the best hardware support. |
| U-Boot Environment | No | Yes | If your project does not need any special variables or kernel arguments we use our latest standard bootloader u-boot environment. A quick change during the development can be missed likely. We recommend to provide your "printenv" output. |
| Settings | Yes | Yes | |
| Splash Bitmap | No | Yes | |
| uLinuxEnv.txt | No | Yes | Please refer to "U-Boot Environment". uLinuxEnv.txt is a enhancement of the U-Boot Environment. |
| Linux Kernel | Yes | Yes | |
| Linux Devicetree | Yes | Yes | |
| Linux Rootfilesystem | Yes | Yes | |
| Automatic Prog. Images | The following components are used to program the image. They are not programmed to the target. | ||
| Update Kernel | No | Yes | |
| Visualization Bitmaps <br\>- progress.bmp<br\>- error.bmp<br\>- done.bmp | No | Yes | |
| DHupdate.ini | No | Yes | |
