[PATCH 00/12] riscv: Add vendor extensions support for SiFive
Cyan Yang
cyan.yang at sifive.com
Thu Apr 17 22:32:27 PDT 2025
This patch set adds four vendor-specific ISA extensions from SiFive:
"xsfvqmaccdod", "xsfvqmaccqoq", "xsfvfnrclipxfqf", and "xsfvfwmaccqqq".
Additionally, a new hwprobe key, RISCV_HWPROBE_KEY_VENDOR_EXT_SIFIVE_0,
has been added to query which SiFive vendor extensions are supported on
the current platform.
Signed-off-by: Cyan Yang <cyan.yang at sifive.com>
Cyan Yang (12):
dt-bindings: riscv: Add xsfvqmaccdod and xsfvqmaccqoq ISA extension
description
riscv: Add SiFive xsfvqmaccdod and xsfvqmaccqoq vendor extensions
riscv: hwprobe: Document SiFive xsfvqmaccdod and xsfvqmaccqoq vendor
extensions
riscv: hwprobe: Add SiFive vendor extension support and probe for
xsfqmaccdod and xsfqmaccqoq
dt-bindings: riscv: Add xsfvfnrclipxfqf ISA extension description
riscv: Add SiFive xsfvfnrclipxfqf vendor extension
riscv: hwprobe: Document SiFive xsfvfnrclipxfqf vendor extension
riscv: hwprobe: Add SiFive xsfvfnrclipxfqf vendor extension
dt-bindings: riscv: Add xsfvfwmaccqqq ISA extension description
riscv: Add SiFive xsfvfwmaccqqq vendor extension
riscv: hwprobe: Document SiFive xsfvfwmaccqqq vendor extension
riscv: hwprobe: Add SiFive xsfvfwmaccqqq vendor extension
Documentation/arch/riscv/hwprobe.rst | 22 ++++++++++++++++
.../devicetree/bindings/riscv/extensions.yaml | 25 +++++++++++++++++++
arch/riscv/Kconfig.vendor | 13 ++++++++++
arch/riscv/include/asm/hwprobe.h | 3 ++-
.../include/asm/vendor_extensions/sifive.h | 16 ++++++++++++
.../asm/vendor_extensions/sifive_hwprobe.h | 19 ++++++++++++++
arch/riscv/include/uapi/asm/hwprobe.h | 1 +
arch/riscv/include/uapi/asm/vendor/sifive.h | 6 +++++
arch/riscv/kernel/sys_hwprobe.c | 5 ++++
arch/riscv/kernel/vendor_extensions.c | 10 ++++++++
arch/riscv/kernel/vendor_extensions/Makefile | 2 ++
arch/riscv/kernel/vendor_extensions/sifive.c | 21 ++++++++++++++++
.../kernel/vendor_extensions/sifive_hwprobe.c | 22 ++++++++++++++++
13 files changed, 164 insertions(+), 1 deletion(-)
create mode 100644 arch/riscv/include/asm/vendor_extensions/sifive.h
create mode 100644 arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h
create mode 100644 arch/riscv/include/uapi/asm/vendor/sifive.h
create mode 100644 arch/riscv/kernel/vendor_extensions/sifive.c
create mode 100644 arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c
--
2.39.5 (Apple Git-154)
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