Reviewed-by: Peter Maydell <[email protected]>
Signed-off-by: Richard Henderson <[email protected]>
---
 target/arm/tcg/cpu64.c        | 4 ++++
 docs/system/arm/emulation.rst | 1 +
 2 files changed, 5 insertions(+)

diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c
index 4b9d01420a..e46d9f71c4 100644
--- a/target/arm/tcg/cpu64.c
+++ b/target/arm/tcg/cpu64.c
@@ -1456,6 +1456,10 @@ void aarch64_max_v9_tcg_initfn(Object *obj)
     t = FIELD_DP64(t, ID_AA64PFR2, FPMR, 1);      /* v9.2: FEAT_FPMR */
     SET_IDREG(isar, ID_AA64PFR2, t);
 
+    t = GET_IDREG(isar, ID_AA64MMFR2);
+    t = FIELD_DP64(t, ID_AA64MMFR2, IDS, 2);      /* v9.0: FEAT_IDTE3 */
+    SET_IDREG(isar, ID_AA64MMFR2, t);
+
     t = GET_IDREG(isar, ID_AA64MMFR3);
     t = FIELD_DP64(t, ID_AA64MMFR3, MEC, 1);      /* v9.2: FEAT_MEC */
     SET_IDREG(isar, ID_AA64MMFR3, t);
diff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst
index 392db5ccf9..bb1a8da002 100644
--- a/docs/system/arm/emulation.rst
+++ b/docs/system/arm/emulation.rst
@@ -105,6 +105,7 @@ the following architecture extensions:
 - FEAT_HPMN0 (Setting of MDCR_EL2.HPMN to zero)
 - FEAT_I8MM (AArch64 Int8 matrix multiplication instructions)
 - FEAT_IDST (ID space trap handling)
+- FEAT_IDTE3 (Trapping ID register accesses to EL3)
 - FEAT_IESB (Implicit error synchronization event)
 - FEAT_IVIPT (The IVIPT Extension)
 - FEAT_JSCVT (JavaScript conversion instructions)
-- 
2.43.0


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