[v2] target/arm: Implement ARMv8.3-PAuth

[Qemu-devel] [PATCH v2 25/27] target/arm: Enable PAuth for -cpu max

Posted by Richard Henderson 6 years, 10 months ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu64.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 1d57be0c91..84f70b2a24 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -316,6 +316,10 @@ static void aarch64_max_initfn(Object *obj)
 
         t = cpu->isar.id_aa64isar1;
         t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1);
+        t = FIELD_DP64(t, ID_AA64ISAR1, APA, 1); /* PAuth, architected only */
+        t = FIELD_DP64(t, ID_AA64ISAR1, API, 0);
+        t = FIELD_DP64(t, ID_AA64ISAR1, GPA, 1);
+        t = FIELD_DP64(t, ID_AA64ISAR1, GPI, 0);
         cpu->isar.id_aa64isar1 = t;
 
         t = cpu->isar.id_aa64pfr0;
-- 
2.17.2

Re: [Qemu-devel] [PATCH v2 25/27] target/arm: Enable PAuth for -cpu max

Posted by Peter Maydell 6 years, 10 months ago

On Fri, 14 Dec 2018 at 05:24, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/arm/cpu64.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
> index 1d57be0c91..84f70b2a24 100644
> --- a/target/arm/cpu64.c
> +++ b/target/arm/cpu64.c
> @@ -316,6 +316,10 @@ static void aarch64_max_initfn(Object *obj)
>
>          t = cpu->isar.id_aa64isar1;
>          t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1);
> +        t = FIELD_DP64(t, ID_AA64ISAR1, APA, 1); /* PAuth, architected only */
> +        t = FIELD_DP64(t, ID_AA64ISAR1, API, 0);
> +        t = FIELD_DP64(t, ID_AA64ISAR1, GPA, 1);
> +        t = FIELD_DP64(t, ID_AA64ISAR1, GPI, 0);
>          cpu->isar.id_aa64isar1 = t;
>

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

thanks
-- PMM