About U-Boot License

[Tom Rini]

On Mon, Mar 11, 2024 at 05:40:19AM +0000, Kang Lion wrote:

> Dear DAS
> 
> 
> This is lion. Nice to meet you.
> 
> 
> I'm sending you an e-mail because I have a question about the U-Boot license.
> I would like to know about the obligation to disclose the U-Boot code currently provided by Xilinx(zynqMP).
> 
> 
> 1. When we use a commercial OS code called RTEMS, we use U-Boot as the bootloader.
> At this time, even if RTEMS OS is commercial, if we merge an image such as an open source called U-Boot to make a final image and use it, should I release all the codes? I want to know the scope of disclosure.
> 
> Do we even have to disclose commercial RTEMS OS + Application?
> 
> 
> 2. Or do you see only U-Boot as a separate image, and since the OS is commercial, there is no need to interpret it separately and disclose it?
> 
> At this time, should the U-Boot be disclosed according to the license or not? I wonder.
> 
> 
> cf) We will just change small part for only definition, but I'm afraid that we have to disclosure our every code of RTEMS and Application.
> 
> That's why I'm questing it now.
> 
> I know you're busy, but please answer me.

This is a question for your company's lawyers. U-Boot can of course be
used to launch a proprietary OS. Changes you make to U-Boot need to
comply with the license.

-- 
Tom
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