[PULL 06/45] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU

Maintainers: Eduardo Habkost <ehabkost@redhat.com>, Thomas Huth <thuth@redhat.com>, Jason Wang <jasowang@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Laurent Vivier <laurent@vivier.eu>, Richard Henderson <richard.henderson@linaro.org>, Riku Voipio <riku.voipio@iki.fi>, David Hildenbrand <david@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Havard Skinnemoen <hskinnemoen@google.com>, Tyrone Ting <kfting@nuvoton.com>, Cornelia Huck <cohuck@redhat.com>
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[PULL 06/45] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU
Posted by Peter Maydell 4 years, 2 months ago
From: Rebecca Cran <rebecca@nuviainc.com>

Enable FEAT_DIT for the "max" AARCH64 CPU.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210208065700.19454-4-rebecca@nuviainc.com
Signed-off-by: Peter Maydell <peter.maydell@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 10c51181767..c255f1bcc39 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -669,6 +669,7 @@ 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;
@@ -718,6 +719,10 @@ 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;
-- 
2.20.1