Re: [Qemu-ppc] Fwd: running qemu for powerpc (32bits) architecture

[Scott Wood]

On Tue, 2016-06-14 at 14:04 +0200, Marwa Hamza wrote:
> 
> ---------- Forwarded message ----------
> From: Scott Wood <address@hidden>
> Date: 2016-06-10 4:05 GMT+02:00
> Subject: Re: Fwd: running qemu for powerpc (32bits) architecture
> To: Marwa Hamza <address@hidden>, address@hidden
> Cc: address@hidden
> 
> 
> [Moved to the QEMU list and CCed Alex Graf]
> 
> On Sun, 2016-06-05 at 12:32 +0100, Marwa Hamza wrote:
> > other thing i didn't understand how i made sure that CONFIG_PPC_QEMU_E500
> > enabled in the kernel, what is the default configuration should i use?
> > what's the e500 build ?
> 
> e500 is a type of PPC core.  e500mc is a type of e500 that has normal
> floating
> point.  Use corenet32_smp_defconfig and then manually enable
> CONFIG_PPC_QEMU_E500 (we really ought to add that to the defconfig), and
> pass
> -cpu e500mc to QEMU.
> 
> -Scott
> 
> 
> hey again
> i'm using linux kernel 4.4.1 and i couldn't find corenet32_smp_defconfig so
> i used chrp32_defconfig and i added manually  CONFIG_PPC_QEMU_E500=y to the
> configuration file 

You can't just use some random config and expect it to work.  e500 is not
CHRP.  It's a totally different PPC subarchitecture.

You won't find a corenet32_smp_defconfig file but it exists as a make rule
that assembles some config fragments.

-Scott