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Re: [Qemu-arm] [Qemu-devel] [PATCH 5/6] hw/timer/armv7m_systick: Forbid

From: Richard Henderson
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 5/6] hw/timer/armv7m_systick: Forbid non-privileged accesses
Date: Mon, 17 Jun 2019 13:03:04 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 6/17/19 10:53 AM, Peter Maydell wrote:
> Like most of the v7M memory mapped system registers, the systick
> registers are accessible to privileged code only and user accesses
> must generate a BusFault. We implement that for registers in
> the NVIC proper already, but missed it for systick since we
> implement it as a separate device. Correct the omission.
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  hw/timer/armv7m_systick.c | 26 ++++++++++++++++++++------
>  1 file changed, 20 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>


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