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Re: [PATCH v12 17/23] hw/intc/arm_gicv3: Add NMI handling CPU interface


From: Peter Maydell
Subject: Re: [PATCH v12 17/23] hw/intc/arm_gicv3: Add NMI handling CPU interface registers
Date: Thu, 4 Apr 2024 15:24:57 +0100

On Wed, 3 Apr 2024 at 11:17, Jinjie Ruan <ruanjinjie@huawei.com> wrote:
>
> Add the NMIAR CPU interface registers which deal with acknowledging NMI.
>
> When introduce NMI interrupt, there are some updates to the semantics for the
> register ICC_IAR1_EL1 and ICC_HPPIR1_EL1. For ICC_IAR1_EL1 register, it
> should return 1022 if the intid has non-maskable property. And for
> ICC_NMIAR1_EL1 register, it should return 1023 if the intid do not have
> non-maskable property. Howerever, these are not necessary for ICC_HPPIR1_EL1
> register.
>
> And the APR and RPR has NMI bits which should be handled correctly.
>
> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> ---

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM



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