Re: [PATCH] powerpc: enable 64-bit mode

[Laurent Vivier <lvivier@redhat.com>]

Missing in the subject: it's a kvm-unit-tests patch.

Laurent

On 15/03/2016 14:15, Laurent Vivier wrote:
> When they are started, processors are in 32-bit mode,
> as we are testing ppc64 processors, enable the 64bit mode
> on starting.
> 
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> ---
>  powerpc/cstart64.S | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/powerpc/cstart64.S b/powerpc/cstart64.S
> index c87e3d6..634b854 100644
> --- a/powerpc/cstart64.S
> +++ b/powerpc/cstart64.S
> @@ -18,6 +18,15 @@
>  .globl start
>  start:
>  	FIXUP_ENDIAN
> +
> +	/* enable 64-bit mode */
> +	mfmsr	r11
> +	li	r12,-1
> +	rldicr	r12,r12,0,0
> +	or	r11,r11,r12
> +	mtmsrd	r11
> +	isync
> +
>  	/*
>  	 * We were loaded at QEMU's kernel load address, but we're not
>  	 * allowed to link there due to how QEMU deals with linker VMAs,
>