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Re: [Qemu-arm] [Qemu-devel] [PATCH 01/26] target/arm: Make sure M-profil

From: Richard Henderson
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 01/26] target/arm: Make sure M-profile FPSCR RES0 bits are not settable
Date: Tue, 23 Apr 2019 10:25:27 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 4/16/19 5:57 AM, Peter Maydell wrote:
> Enforce that for M-profile various FPSCR bits which are RES0 there
> but have defined meanings on A-profile are never settable. This
> ensures that M-profile code can't enable the A-profile behaviour
> (notably vector length/stride handling) by accident.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/vfp_helper.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

Reviewed-by: Richard Henderson <address@hidden>


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