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Re: [PATCH 3/4] target/arm: Add new 's1_is_el0' argument to get_phys_add

From: Richard Henderson
Subject: Re: [PATCH 3/4] target/arm: Add new 's1_is_el0' argument to get_phys_addr_lpae()
Date: Wed, 29 Apr 2020 11:41:11 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

On 3/30/20 2:03 PM, Peter Maydell wrote:
> For ARMv8.2-TTS2UXN, the stage 2 page table walk wants to know
> whether the stage 1 access is for EL0 or not, because whether
> exec permission is given can depend on whether this is an EL0
> or EL1 access. Add a new argument to get_phys_addr_lpae() so
> the call sites can pass this information in.
> Since get_phys_addr_lpae() doesn't already have a doc comment,
> add one so we have a place to put the documentation of the
> semantics of the new s1_is_el0 argument.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/helper.c | 29 ++++++++++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>


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