[U-Boot-Users] bootm change for standalone images
wd at denx.de
Wed Jul 28 00:05:20 CEST 2004
in message <20040727012114.GA22062 at acmay.homeip.net> you wrote:
> I need to boot a HW test program and it expects to be loaded down at address 0x0
> with the interrupt vectors laid out. So it is like a stupid homegrown OS.
This is a perfectly valid requirement.
> I came up with this quick fix to check for a load to address 0x0 for a standalone
> type, and not re-enable interrupts.
Thisi s not a good idea; at least it is not general enough if you
consider all the different architectures etc.
> But I am not sure if the check would be universal.
> Would it better to add a new type or flag to image header.
If you boot "a stupid homegrown OS" then do it like that: use the
"bootm" command for it.
> It looks like RTEMS is the simplest OS loader and it should work as
> is with my image, but it would be nice to have a generic print instead.
What exactly do you mean by "have a generic print instead" ?
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
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