From mboxrd@z Thu Jan  1 00:00:00 1970
From: Robert Hodaszi <mouse1@sch.bme.hu>
Date: Tue, 23 Jun 2009 12:14:27 +0200
Subject: [U-Boot] Mips, U-Boot and ramdisk
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References: <4A3F9B62.5070107@sch.bme.hu> <m2prcvpaib.fsf@ohwell.denx.de>
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Hi Detlev,

Thanks for the answer!
> Hi Robert,
>
> root=/dev/ram is definitely correct.  It was MS-DOS a while ago, which
> switched the '/'s to '\'s on stealing the hierarchical file system
> concept from Unix ;)
>   
Sorry! Yes I used '/'. I just missed it.
>
> This is highly specific to the architecture.  Looking into MIPS code, it
> an environment like datastructure is built and passes that to the kernel
> (lib_mips/bootm.c).
>   
I thought... But I didn't find any description about this.
> I can't help you here, the best thing would be to debug this.  Maybe the
> MIPS kernel changed the way the environment is passed?  
>
> Cheers
>   Detlev
>
>   
I'm trying, but it's not so easy to debug the Au1200 with the BDI3000. 
If I want to single step the code, I should set the "Enable single step 
mode" flag in the processor's debug CP0 register, and clear when I'm 
using breakpoints, and other goodies... :)

Best regards,
Robert Hodaszi