[v2] target/arm: Implement FEAT_GCS

[PATCH v2 25/85] target/arm: Enable FEAT_S1PIE and FEAT_S2PIE on -cpu max
Posted by Richard Henderson 3 months, 2 weeks ago
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/tcg/cpu64.c        | 2 ++
 docs/system/arm/emulation.rst | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 22ccc4f697..f4a41c854f 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1253,6 +1253,8 @@ void aarch64_max_tcg_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64MMFR3, SCTLRX, 1);     /* FEAT_SCTLR2 */
     t = FIELD_DP64(t, ID_AA64MMFR3, MEC, 1);        /* FEAT_MEC */
     t = FIELD_DP64(t, ID_AA64MMFR3, SPEC_FPACC, 1); /* FEAT_FPACC_SPEC */
+    t = FIELD_DP64(t, ID_AA64MMFR3, S1PIE, 1);    /* FEAT_S1PIE */
+    t = FIELD_DP64(t, ID_AA64MMFR3, S2PIE, 1);    /* FEAT_S2PIE */
     SET_IDREG(isar, ID_AA64MMFR3, t);
 
     t = GET_IDREG(isar, ID_AA64ZFR0);
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 1489c262b8..6ebf9c9ce9 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -123,6 +123,8 @@ the following architecture extensions:
 - FEAT_RME (Realm Management Extension) (NB: support status in QEMU is experimental)
 - FEAT_RNG (Random number generator)
 - FEAT_RPRES (Increased precision of FRECPE and FRSQRTE)
+- FEAT_S1PIE (Stage 1 permission indirections)
+- FEAT_S2PIE (Stage 2 permission indirections)
 - FEAT_S2FWB (Stage 2 forced Write-Back)
 - FEAT_SB (Speculation Barrier)
 - FEAT_SCTLR2 (Extension to SCTLR_ELx)
-- 
2.43.0