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[PATCH v3 3/4] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for


From: Rebecca Cran
Subject: [PATCH v3 3/4] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU
Date: Wed, 27 Jan 2021 21:45:28 -0700

Enable FEAT_DIT for the "max" AARCH64 CPU.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu64.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 5e851028c592..9a5cfd4fc632 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -666,6 +666,7 @@ static void aarch64_max_initfn(Object *obj)
         t = FIELD_DP64(t, ID_AA64PFR0, FP, 1);
         t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1);
         t = FIELD_DP64(t, ID_AA64PFR0, SEL2, 1);
+        t = FIELD_DP64(t, ID_AA64PFR0, DIT, 1);
         cpu->isar.id_aa64pfr0 = t;
 
         t = cpu->isar.id_aa64pfr1;
@@ -715,6 +716,10 @@ static void aarch64_max_initfn(Object *obj)
         u = FIELD_DP32(u, ID_ISAR6, SPECRES, 1);
         cpu->isar.id_isar6 = u;
 
+        u = cpu->isar.id_pfr0;
+        u = FIELD_DP32(u, ID_PFR0, DIT, 1);
+        cpu->isar.id_pfr0 = u;
+
         u = cpu->isar.id_mmfr3;
         u = FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */
         cpu->isar.id_mmfr3 = u;
-- 
2.26.2




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