From: Michael Neuling <mikey@neuling.org>
To: Santosh Kumar <santoshkumar.a@gmail.com>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: powerpc 476, Little-endian, pte fault
Date: Mon, 31 Oct 2011 16:51:16 +1100 [thread overview]
Message-ID: <12144.1320040276@neuling.org> (raw)
In-Reply-To: <CAJw04pD24W_nGSLheWunCa_o7QqBmRf_TSAD44EkzazigRe_nQ@mail.gmail.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Michael Neuling <mikey@neuling.org>
To: Santosh Kumar <santoshkumar.a@gmail.com>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
Tony Breeds <tony@bakeyournoodle.com>
Subject: Re: powerpc 476, Little-endian, pte fault
Date: Mon, 31 Oct 2011 16:51:16 +1100 [thread overview]
Message-ID: <12144.1320040276@neuling.org> (raw)
In-Reply-To: <CAJw04pD24W_nGSLheWunCa_o7QqBmRf_TSAD44EkzazigRe_nQ@mail.gmail.com>
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
next prev parent reply other threads:[~2011-10-31 5:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-31 5:30 powerpc 476, Little-endian, pte fault Santosh Kumar
2011-10-31 5:51 ` Michael Neuling [this message]
2011-10-31 5:51 ` Michael Neuling
2011-10-31 6:35 ` Santosh Kumar
2011-10-31 7:38 ` Santosh Kumar
2011-10-31 7:38 ` Santosh Kumar
2011-10-31 9:49 ` Michael Neuling
2011-10-31 9:49 ` Michael Neuling
2011-10-31 11:23 ` Benjamin Herrenschmidt
2011-10-31 11:23 ` Benjamin Herrenschmidt
2011-11-01 3:02 ` Santosh Kumar
2011-11-01 3:02 ` Santosh Kumar
2011-11-01 13:44 ` Peter Bergner
2011-11-01 13:44 ` Peter Bergner
2011-11-01 17:14 ` Santosh Kumar
2011-11-01 17:14 ` Santosh Kumar
2011-11-01 18:44 ` Peter Bergner
2011-11-01 18:44 ` Peter Bergner
2011-10-31 7:48 ` Shan Hai
2011-10-31 9:17 ` Santosh Kumar
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