Re: [PATCH 2/2] target/arm: Implement M-profile trapping on division by zero

[Richard Henderson]

On 7/30/21 5:16 AM, Peter Maydell wrote:
> Unlike A-profile, for M-profile the UDIV and SDIV insns can be
> configured to raise an exception on division by zero, using the CCR
> DIV_0_TRP bit.
>
> Implement support for setting this bit by making the helper functions
> raise the appropriate exception.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/cpu.h       |  1 +
>   target/arm/helper.h    |  4 ++--
>   target/arm/helper.c    | 19 +++++++++++++++++--
>   target/arm/m_helper.c  |  4 ++++
>   target/arm/translate.c |  4 ++--
>   5 files changed, 26 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~