diff mbox series

[v3,4/4] target/arm: Set ID_PFR0.DIT to 1 for "max" 32-bit CPU

Message ID 20210128044529.1403-5-rebecca@nuviainc.com (mailing list archive)
State New, archived
Headers show
Series target/arm: Add support for FEAT_DIT, Data Independent Timing | expand

Commit Message

Rebecca Cran Jan. 28, 2021, 4:45 a.m. UTC 
Enable FEAT_DIT for the "max" 32-bit CPU.

Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
---
 target/arm/cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Richard Henderson Jan. 28, 2021, 5:07 a.m. UTC | #1 
On 1/27/21 6:45 PM, Rebecca Cran wrote:
> Enable FEAT_DIT for the "max" 32-bit CPU.
> 
> Signed-off-by: Rebecca Cran <rebecca@nuviainc.com>
> ---
>  target/arm/cpu.c | 4 ++++
>  1 file changed, 4 insertions(+)

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


r~
diff mbox series

Patch

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 40142ac141e5..c98f44624423 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -2197,6 +2197,10 @@  static void arm_max_initfn(Object *obj)
         t = FIELD_DP32(t, ID_MMFR4, CNP, 1); /* TTCNP */
         t = FIELD_DP32(t, ID_MMFR4, XNX, 1); /* TTS2UXN */
         cpu->isar.id_mmfr4 = t;
+
+        t = cpu->isar.id_pfr0;
+        t = FIELD_DP32(t, ID_PFR0, DIT, 1);
+        cpu->isar.id_pfr0 = t;
     }
 #endif
 }