[PATCH v4 5/7] riscv: hwprobe: Document MIPS xmipsexectl vendor extension
Aleksa Paunovic via B4 Relay
devnull+aleksa.paunovic.htecgroup.com at kernel.org
Wed Jun 25 07:21:00 PDT 2025
From: Aleksa Paunovic <aleksa.paunovic at htecgroup.com>
Document support for MIPS vendor extensions using the key
"RISCV_HWPROBE_KEY_VENDOR_EXT_MIPS_0" and xmipsexectl vendor extension
using the key "RISCV_HWPROBE_VENDOR_EXT_XMIPSEXECTL".
Signed-off-by: Aleksa Paunovic <aleksa.paunovic at htecgroup.com>
---
Documentation/arch/riscv/hwprobe.rst | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst
index 2aa9be272d5de1c15559a978a956bc36c34de81c..2f449c9b15bdd6b9813c9a968deca1a4c4ff9b14 100644
--- a/Documentation/arch/riscv/hwprobe.rst
+++ b/Documentation/arch/riscv/hwprobe.rst
@@ -327,6 +327,15 @@ The following keys are defined:
* :c:macro:`RISCV_HWPROBE_MISALIGNED_VECTOR_UNSUPPORTED`: Misaligned vector accesses are
not supported at all and will generate a misaligned address fault.
+* :c:macro:`RISCV_HWPROBE_KEY_VENDOR_EXT_MIPS_0`: A bitmask containing the
+ mips vendor extensions that are compatible with the
+ :c:macro:`RISCV_HWPROBE_BASE_BEHAVIOR_IMA`: base system behavior.
+
+ * MIPS
+
+ * :c:macro:`RISCV_HWPROBE_VENDOR_EXT_XMIPSEXECTL`: The xmipsexectl vendor
+ extension is supported in the MIPS ISA extensions spec.
+
* :c:macro:`RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0`: A bitmask containing the
thead vendor extensions that are compatible with the
:c:macro:`RISCV_HWPROBE_BASE_BEHAVIOR_IMA`: base system behavior.
--
2.34.1
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