[v1] target/arm: Implement FEAT_LSE2

[PATCH v1 19/19] target/arm: Enable FEAT_LSE2 for -cpu max

Posted by Richard Henderson 2 years, 11 months ago

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 docs/system/arm/emulation.rst | 1 +
 target/arm/cpu64.c            | 1 +
 2 files changed, 2 insertions(+)

diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 2062d71261..a97e05e746 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -50,6 +50,7 @@ the following architecture extensions:
 - FEAT_LRCPC (Load-acquire RCpc instructions)
 - FEAT_LRCPC2 (Load-acquire RCpc instructions v2)
 - FEAT_LSE (Large System Extensions)
+- FEAT_LSE2 (Large System Extensions v2)
 - FEAT_LVA (Large Virtual Address space)
 - FEAT_MTE (Memory Tagging Extension)
 - FEAT_MTE2 (Memory Tagging Extension)
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 4066950da1..ab91b579bc 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -1245,6 +1245,7 @@ static void aarch64_max_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64MMFR2, IESB, 1);     /* FEAT_IESB */
     t = FIELD_DP64(t, ID_AA64MMFR2, VARANGE, 1);  /* FEAT_LVA */
     t = FIELD_DP64(t, ID_AA64MMFR2, ST, 1);       /* FEAT_TTST */
+    t = FIELD_DP64(t, ID_AA64MMFR2, AT, 1);       /* FEAT_LSE2 */
     t = FIELD_DP64(t, ID_AA64MMFR2, IDS, 1);      /* FEAT_IDST */
     t = FIELD_DP64(t, ID_AA64MMFR2, FWB, 1);      /* FEAT_S2FWB */
     t = FIELD_DP64(t, ID_AA64MMFR2, TTL, 1);      /* FEAT_TTL */
-- 
2.34.1

Re: [PATCH v1 19/19] target/arm: Enable FEAT_LSE2 for -cpu max

Posted by Peter Maydell 2 years, 11 months ago

On Thu, 16 Feb 2023 at 03:10, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  docs/system/arm/emulation.rst | 1 +
>  target/arm/cpu64.c            | 1 +
>  2 files changed, 2 insertions(+)

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

thanks
-- PMM