Re: [PATCH v9 02/26] dt-bindings: riscv: zicfilp and zicfiss in dt-bindings (extensions.yaml)

From: Paul Walmsley

Date: Wed Jan 14 2026 - 22:12:00 EST


On Tue, 4 Feb 2025, Deepak Gupta wrote:

> Make an entry for cfi extensions in extensions.yaml.
>
> Signed-off-by: Deepak Gupta <debug@xxxxxxxxxxxx>
> Acked-by: Rob Herring (Arm) <robh@xxxxxxxxxx>

Here's what I'm planning to queue; please let me know if you want to
change anything.


- Paul


From: Deepak Gupta <debug@xxxxxxxxxxxx>
Date: Wed, 19 Nov 2025 09:55:05 -0700

dt-bindings: riscv: document zicfilp and zicfiss in extensions.yaml

Make an entry for cfi extensions in extensions.yaml.

Signed-off-by: Deepak Gupta <debug@xxxxxxxxxxxx>
Acked-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Tested-by: Andreas Korb <andreas.korb@xxxxxxxxxxxxxxxxxxx> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@xxxxxxxxxxxxx>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-2-b55691eacf4f@xxxxxxxxxxxx
[pjw@xxxxxxxxxx: updated subject]
Signed-off-by: Paul Walmsley <pjw@xxxxxxxxxx>
---
.../devicetree/bindings/riscv/extensions.yaml | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 5bab356addc8..1aeff17c7f24 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -469,6 +469,20 @@ properties:
The standard Zicboz extension for cache-block zeroing as ratified
in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.

+ - const: zicfilp
+ description: |
+ The standard Zicfilp extension for enforcing forward edge
+ control-flow integrity as ratified in commit 3f8e450 ("merge
+ pull request #227 from ved-rivos/0709") of riscv-cfi
+ github repo.
+
+ - const: zicfiss
+ description: |
+ The standard Zicfiss extension for enforcing backward edge
+ control-flow integrity as ratified in commit 3f8e450 ("merge
+ pull request #227 from ved-rivos/0709") of riscv-cfi
+ github repo.
+
- const: zicntr
description:
The standard Zicntr extension for base counters and timers, as
--
2.51.0