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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>,
	Richard Henderson <richard.henderson@linaro.org>
Subject: [PATCH v4 3/4] target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU
Date: Tue,  2 Feb 2021 21:58:15 -0700	[thread overview]
Message-ID: <20210203045816.10953-4-rebecca@nuviainc.com> (raw)
In-Reply-To: <20210203045816.10953-1-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>
---
 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



  parent reply	other threads:[~2021-02-03  5:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-03  4:58 [PATCH v4 0/4] target/arm: Add support for FEAT_DIT, Data Independent Timing Rebecca Cran
2021-02-03  4:58 ` [PATCH v4 1/4] " Rebecca Cran
2021-02-03  4:58 ` [PATCH v4 2/4] target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate Rebecca Cran
2021-02-03 17:17   ` Richard Henderson
2021-02-03 20:28     ` Rebecca Cran
2021-02-03 20:36       ` Richard Henderson
2021-02-03 17:19   ` Richard Henderson
2021-02-08  6:50     ` Rebecca Cran
2021-02-03  4:58 ` Rebecca Cran [this message]
2021-02-03  4:58 ` [PATCH v4 4/4] target/arm: Set ID_PFR0.DIT to 1 for "max" 32-bit CPU Rebecca Cran

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