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Re: [Qemu-ppc] [PATCH for-2.0 2/2] ohw: let the right reset entry point
From: |
Alexander Graf |
Subject: |
Re: [Qemu-ppc] [PATCH for-2.0 2/2] ohw: let the right reset entry point 0xfff00100 jump to the currently wrong entry point (0xfffffffc) |
Date: |
Wed, 2 Apr 2014 07:14:48 +0200 |
> Am 01.04.2014 um 23:18 schrieb Hervé Poussineau <address@hidden>:
>
> This is easier to do this than to copy the code from the wrong entry point to
> the right entry point.
>
> Signed-off-by: Hervé Poussineau <address@hidden>
> ---
> src/vectors.S | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/src/vectors.S b/src/vectors.S
> index 691d568..05cd1d9 100644
> --- a/src/vectors.S
> +++ b/src/vectors.S
> @@ -121,7 +121,12 @@ excp_##entry##:
> ; \
>
> /* Exception vectors */
> /* Reset exception */
> - EXCP_BUG(0100) ;
> +.org 0x0100
> +excp_0100:
> + lis r3,0
> + addi r3,r3,-4
> + mtlr r3
> + blr
Doesn't ba -4 work?
Alex
>
> /* Machine check exception */
> EXCP_BUG(0200) ;
> --
> 1.7.10.4
>
>