[oe] kernel booting and params

[Alex]

Gary Thomas wrote:
> On 01/27/2010 06:10 AM, Alex wrote:
>> Gary Thomas wrote:
>>> On 01/27/2010 06:03 AM, Alex wrote:
>>>> Hello everyone!
>>>>
>>>> Trying to find information about kernel booting gave me nothing so 
>>>> I decided to write here.
>>>>
>>>> The question is: how does linux kernel know where to get its 
>>>> parameters' string? To be more precise, what actions in general 
>>>> should a linux bootloader do to tell the kernel its
>>>> params and boot it?
>>>>
>>>> ...
>>>
>>> This process is different for every architecture (x86, arm, powerpc, 
>>> ...)
>>>
>>> What platform(s) are you trying to understand?
>>
>> It is an arm cpu. The platform is dm6446.
>
> n.b. replies should be on the mailing list so that all benefit.

Oh, sorry for that =(

>
> The information for ARM is passed in memory at a fixed block with
> pointers and tags describing the various data.  The Linux source
> file '.../arch/arm/include/asm/setup.h' describes how this works.
>
> Look at U-Boot to see how it handles this linkage.

Thanks a lot! I'll look!