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-rw-r--r--Documentation/arch/riscv/hwprobe.rst8
-rw-r--r--Documentation/devicetree/bindings/riscv/extensions.yaml36
2 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst
index 06c5280b728a..641ec4abb906 100644
--- a/Documentation/arch/riscv/hwprobe.rst
+++ b/Documentation/arch/riscv/hwprobe.rst
@@ -281,6 +281,14 @@ The following keys are defined:
* :c:macro:`RISCV_HWPROBE_EXT_ZICBOP`: The Zicbop extension is supported, as
ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
+ * :c:macro:`RISCV_HWPROBE_EXT_ZILSD`: The Zilsd extension is supported as
+ defined in the RISC-V ISA manual starting from commit f88abf1 ("Integrating
+ load/store pair for RV32 with the main manual") of the riscv-isa-manual.
+
+ * :c:macro:`RISCV_HWPROBE_EXT_ZCLSD`: The Zclsd extension is supported as
+ defined in the RISC-V ISA manual starting from commit f88abf1 ("Integrating
+ load/store pair for RV32 with the main manual") of the riscv-isa-manual.
+
* :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: Deprecated. Returns similar values to
:c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF`, but the key was
mistakenly classified as a bitmask rather than a value.
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 565cb2cbb49b..5bab356addc8 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -377,6 +377,20 @@ properties:
guarantee on LR/SC sequences, as ratified in commit b1d806605f87
("Updated to ratified state.") of the riscv profiles specification.
+ - const: zilsd
+ description:
+ The standard Zilsd extension which provides support for aligned
+ register-pair load and store operations in 32-bit instruction
+ encodings, as ratified in commit f88abf1 ("Integrating
+ load/store pair for RV32 with the main manual") of riscv-isa-manual.
+
+ - const: zclsd
+ description:
+ The Zclsd extension implements the compressed (16-bit) version of the
+ Load/Store Pair for RV32. As with Zilsd, this extension was ratified
+ in commit f88abf1 ("Integrating load/store pair for RV32 with the
+ main manual") of riscv-isa-manual.
+
- const: zk
description:
The standard Zk Standard Scalar cryptography extension as ratified
@@ -882,6 +896,16 @@ properties:
anyOf:
- const: v
- const: zve32x
+ # Zclsd depends on Zilsd and Zca
+ - if:
+ contains:
+ anyOf:
+ - const: zclsd
+ then:
+ contains:
+ allOf:
+ - const: zilsd
+ - const: zca
allOf:
# Zcf extension does not exist on rv64
@@ -899,6 +923,18 @@ allOf:
not:
contains:
const: zcf
+ # Zilsd extension does not exist on rv64
+ - if:
+ properties:
+ riscv,isa-base:
+ contains:
+ const: rv64i
+ then:
+ properties:
+ riscv,isa-extensions:
+ not:
+ contains:
+ const: zilsd
additionalProperties: true
...