[v4,16/20] target/arm: Enable ARMv8.2-ATS1E1 in -cpu max

Message ID 20200208125816.14954-17-richard.henderson@linaro.org
State Superseded
Headers show
Series
  • target/arm: Implement PAN, ATS1E1, UAO
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Commit Message

Richard Henderson Feb. 8, 2020, 12:58 p.m.
This includes enablement of ARMv8.1-PAN.

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

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/cpu.c   | 4 ++++
 target/arm/cpu64.c | 5 +++++
 2 files changed, 9 insertions(+)

-- 
2.20.1

Patch

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index b0762a76c4..de733aceeb 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2709,6 +2709,10 @@  static void arm_max_initfn(Object *obj)
             t = FIELD_DP32(t, MVFR2, FPMISC, 4);   /* FP MaxNum */
             cpu->isar.mvfr2 = t;
 
+            t = cpu->id_mmfr3;
+            t = FIELD_DP32(t, ID_MMFR3, PAN, 2); /* ATS1E1 */
+            cpu->id_mmfr3 = t;
+
             t = cpu->id_mmfr4;
             t = FIELD_DP32(t, ID_MMFR4, HPDS, 1); /* AA32HPD */
             cpu->id_mmfr4 = t;
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index c80fb5fd43..57fbc5eade 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -673,6 +673,7 @@  static void aarch64_max_initfn(Object *obj)
         t = FIELD_DP64(t, ID_AA64MMFR1, HPDS, 1); /* HPD */
         t = FIELD_DP64(t, ID_AA64MMFR1, LO, 1);
         t = FIELD_DP64(t, ID_AA64MMFR1, VH, 1);
+        t = FIELD_DP64(t, ID_AA64MMFR1, PAN, 2); /* ATS1E1 */
         cpu->isar.id_aa64mmfr1 = t;
 
         /* Replicate the same data to the 32-bit id registers.  */
@@ -693,6 +694,10 @@  static void aarch64_max_initfn(Object *obj)
         u = FIELD_DP32(u, ID_ISAR6, SPECRES, 1);
         cpu->isar.id_isar6 = u;
 
+        u = cpu->id_mmfr3;
+        u = FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */
+        cpu->id_mmfr3 = u;
+
         /*
          * FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet,
          * so do not set MVFR1.FPHP.  Strictly speaking this is not legal,