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From: Rebecca Cran <rebecca@nuviainc.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Rebecca Cran <rebecca@nuviainc.com>
Subject: [PATCH 2/2] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU
Date: Thu, 10 Dec 2020 22:13:59 -0700	[thread overview]
Message-ID: <20201211051359.3231-3-rebecca@nuviainc.com> (raw)
In-Reply-To: <20201211051359.3231-1-rebecca@nuviainc.com>

Enable FEAT_DIT for the "max" AARCH64 CPU.

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

diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c
index 649213082ff9..223e0bfd22c2 100644
--- a/target/arm/cpu64.c
+++ b/target/arm/cpu64.c
@@ -641,6 +641,7 @@ static void aarch64_max_initfn(Object *obj)
         t = FIELD_DP64(t, ID_AA64PFR0, SVE, 1);
         t = FIELD_DP64(t, ID_AA64PFR0, FP, 1);
         t = FIELD_DP64(t, ID_AA64PFR0, ADVSIMD, 1);
+        t = FIELD_DP64(t, ID_AA64PFR0, DIT, 1);
         cpu->isar.id_aa64pfr0 = t;
 
         t = cpu->isar.id_aa64pfr1;
@@ -689,6 +690,10 @@ 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



  parent reply	other threads:[~2020-12-11  5:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-11  5:13 [PATCH 0/2] target/arm: Add support for DIT (Data Independent Timing) Rebecca Cran
2020-12-11  5:13 ` [PATCH 1/2] target/arm: add support for FEAT_DIT, Data Independent Timing Rebecca Cran
2020-12-11 14:08   ` Richard Henderson
2020-12-11 19:33     ` Rebecca Cran
2020-12-11 19:51       ` Richard Henderson
2020-12-11 21:37         ` Peter Maydell
2020-12-14 18:11           ` Rebecca Cran
2020-12-14 18:48             ` Peter Maydell
2020-12-11  5:13 ` Rebecca Cran [this message]
2020-12-11 14:09   ` [PATCH 2/2] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU Richard Henderson

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