On Fri, 15 Jan 2021 at 22:47, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> This is the prctl bit that controls whether syscalls accept tagged
> addresses. See Documentation/arm64/tagged-address-abi.rst in the
> linux kernel.
>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
> linux-user/aarch64/target_syscall.h | 4 ++++
> target/arm/cpu-param.h | 3 +++
> target/arm/cpu.h | 23 +++++++++++++++++++++++
> linux-user/syscall.c | 25 +++++++++++++++++++++++++
> target/arm/cpu.c | 3 +++
> 5 files changed, 58 insertions(+)
>
> diff --git a/linux-user/aarch64/target_syscall.h
> b/linux-user/aarch64/target_syscall.h
> index 3194e6b009..820601dfcc 100644
> --- a/linux-user/aarch64/target_syscall.h
> +++ b/linux-user/aarch64/target_syscall.h
> @@ -30,4 +30,8 @@ struct target_pt_regs {
> # define TARGET_PR_PAC_APDBKEY (1 << 3)
> # define TARGET_PR_PAC_APGAKEY (1 << 4)
>
> +#define TARGET_PR_SET_TAGGED_ADDR_CTRL 55
> +#define TARGET_PR_GET_TAGGED_ADDR_CTRL 56
> +# define TARGET_PR_TAGGED_ADDR_ENABLE (1UL << 0)
Stray extra space.
Otherwise
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
thanks
-- PMM
