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Re: [Qemu-arm] [PATCH 1/7] target/arm: Handle SPSEL and current stack be

From: Richard Henderson
Subject: Re: [Qemu-arm] [PATCH 1/7] target/arm: Handle SPSEL and current stack being out of sync in MSP/PSP reads
Date: Sun, 3 Dec 2017 06:58:36 -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 v8M it is possible for the CONTROL.SPSEL bit value and the
> current stack to be out of sync. This means we need to update
> the checks used in reads and writes of the PSP and MSP special
> registers to use v7m_using_psp() rather than directly checking
> the SPSEL bit in the control register.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/helper.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


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