linux-kernel - Re: powerpc 476, Little-endian, pte fault

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Message-ID: <12144.1320040276@neuling.org>
Date:	Mon, 31 Oct 2011 16:51:16 +1100
From:	Michael Neuling <mikey@...ling.org>
To:	Santosh Kumar <santoshkumar.a@...il.com>
cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Tony Breeds <tony@...eyournoodle.com>
Subject: Re: powerpc 476, Little-endian, pte fault

Adding linuxppc-dev list to the CC

> KERNEL: linux 2.6.39.4
> POWERPC: 476, little endian.
> 
> I am trying to get linux 2.6.39.4 up on PPC 476 i have done done
> Big-endian to little endian Changes in:

Can you explain what you are trying to do in more detail?  What does "i
have done Big-endian to little endian Changes" mean?

> 1) bitops header file.
> 2) while reading the device tree.
> 3) the PTE read/computed in head_32.S
> 4) added E bit in the TLB entries.
> 
> with all the above changes the kernel_init is done but and inited is
> mounted.

Can you post your patch?

Are you trying to boot the kernel in little endian or just run userspace
in little endian?  

> But while spawning init process the kernel continuously hits pte
> faults at address 0x100000fc and never comes out. Please let me know
> where i should be looking into.

Is this the very first userspace instruction?

Mikey

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