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Re: [Qemu-devel] [PATCH v2] e600 core for MPC86xx processors

From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH v2] e600 core for MPC86xx processors
Date: Thu, 06 Jun 2013 13:44:31 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6

Am 26.05.2013 19:41, schrieb Julio Guerra:
> MPC86xx processors are based on the e600 core, which is not the case
> in qemu where it is based on the 7400 processor.
> This patch creates the e600 core and instantiates the MPC86xx
> processors based on it. Therefore, adding the high BATs and the SPRG
> 4..7 registers, which are e600-specific [1].
> This allows to define the MPC8610 processor too and my program running
> on a real MPC8610 target is now able to run on qemu :)
> [1] http://cache.freescale.com/files/32bit/doc/ref_manual/E600CORERM.pdf
> Signed-off-by: Julio Guerra <address@hidden>
> ---
>  target-ppc/cpu-models.c     |  10 ++--
>  target-ppc/cpu-models.h     |   4 +-
>  target-ppc/translate_init.c | 122 
> ++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 127 insertions(+), 9 deletions(-)

>From a technical (QOM) view this patch looks fine.

However I can't judge whether all that code is right for e600 and
whether you may want to share some code with e500 / e5500 in some way?
CC'ing some Freescale folks.


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