Peter Maydell <peter.mayd...@linaro.org> writes:
> From: Michael Davidsaver <mdavidsa...@gmail.com>
>
> When we take an exception for an undefined instruction, set the
> appropriate CFSR bit.
>
> Signed-off-by: Michael Davidsaver <mdavidsa...@gmail.com>
> [PMM: tweaked commit message, comment]
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
> ---
> target/arm/helper.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/target/arm/helper.c b/target/arm/helper.c
> index 7dc30f5..e6b1c36 100644
> --- a/target/arm/helper.c
> +++ b/target/arm/helper.c
> @@ -6072,6 +6072,7 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs)
> switch (cs->exception_index) {
> case EXCP_UDEF:
> armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE);
> + env->v7m.cfsr |= R_V7M_CFSR_UNDEFINSTR_MASK;
> return;
> case EXCP_SWI:
> /* The PC already points to the next instruction. */
--
Alex Bennée
