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Re: [Qemu-arm] [PATCH 6/7] target/arm: Factor MPU lookup code out of get

From: Richard Henderson
Subject: Re: [Qemu-arm] [PATCH 6/7] target/arm: Factor MPU lookup code out of get_phys_addr_pmsav8()
Date: Sun, 3 Dec 2017 07:16:21 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 12/01/2017 10:44 AM, Peter Maydell wrote:
> For the TT instruction we're going to need to do an MPU lookup that
> also tells us which MPU region the access hit. This requires us
> to do the MPU lookup without first doing the SAU security access
> check, so pull the MPU lookup parts of get_phys_addr_pmsav8()
> out into their own function.
> The TT instruction also needs to know the MPU region number which
> the lookup hit, so provide this information to the caller of the
> MPU lookup code, even though get_phys_addr_pmsav8() doesn't
> need to know it.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/helper.c | 130 
> +++++++++++++++++++++++++++++++---------------------
>  1 file changed, 79 insertions(+), 51 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


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