On Fri, 15 Jan 2021 at 22:47, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> These prctl fields are required for the function of MTE.
>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
> linux-user/aarch64/target_syscall.h | 9 ++++++
> linux-user/syscall.c | 44 +++++++++++++++++++++++++++++
> 2 files changed, 53 insertions(+)
>
> diff --git a/linux-user/aarch64/target_syscall.h
> b/linux-user/aarch64/target_syscall.h
> index 820601dfcc..76f6c3391d 100644
> --- a/linux-user/aarch64/target_syscall.h
> +++ b/linux-user/aarch64/target_syscall.h
> @@ -33,5 +33,14 @@ struct target_pt_regs {
> #define TARGET_PR_SET_TAGGED_ADDR_CTRL 55
> #define TARGET_PR_GET_TAGGED_ADDR_CTRL 56
> # define TARGET_PR_TAGGED_ADDR_ENABLE (1UL << 0)
> +/* MTE tag check fault modes */
> +# define TARGET_PR_MTE_TCF_SHIFT 1
> +# define TARGET_PR_MTE_TCF_NONE (0UL << TARGET_PR_MTE_TCF_SHIFT)
> +# define TARGET_PR_MTE_TCF_SYNC (1UL << TARGET_PR_MTE_TCF_SHIFT)
> +# define TARGET_PR_MTE_TCF_ASYNC (2UL << TARGET_PR_MTE_TCF_SHIFT)
> +# define TARGET_PR_MTE_TCF_MASK (3UL << TARGET_PR_MTE_TCF_SHIFT)
> +/* MTE tag inclusion mask */
> +# define TARGET_PR_MTE_TAG_SHIFT 3
> +# define TARGET_PR_MTE_TAG_MASK (0xffffUL << TARGET_PR_MTE_TAG_SHIFT)
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
thanks
-- PMM
