[v9] riscv control-flow integrity for usermode

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

Posted by Deepak Gupta 1 year ago

Make an entry for cfi extensions in extensions.yaml.

Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
---
 Documentation/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 a63b994e0763..9b9024dbc8d2 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -426,6 +426,20 @@ 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

-- 
2.34.1

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

Posted by Paul Walmsley 3 weeks, 5 days ago

On Tue, 4 Feb 2025, Deepak Gupta wrote:

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

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


- Paul


From: Deepak Gupta <debug@rivosinc.com>
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@rivosinc.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Tested-by: Andreas Korb <andreas.korb@aisec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@canonical.com>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-2-b55691eacf4f@rivosinc.com
[pjw@kernel.org: updated subject]
Signed-off-by: Paul Walmsley <pjw@kernel.org>
---
 .../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