linux-kernel - [PATCH v3 0/3] riscv: Add bfloat16 instruction support

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Message-ID: <20241206055829.1059293-1-inochiama@gmail.com>
Date: Fri,  6 Dec 2024 13:58:26 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Chen Wang <unicorn_wang@...look.com>,
	Jonathan Corbet <corbet@....net>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Clément Léger <cleger@...osinc.com>,
	Evan Green <evan@...osinc.com>,
	Charlie Jenkins <charlie@...osinc.com>,
	Andrew Jones <ajones@...tanamicro.com>,
	Jesse Taube <jesse@...osinc.com>,
	Andy Chiu <andybnac@...il.com>,
	Alexandre Ghiti <alexghiti@...osinc.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Yong-Xuan Wang <yongxuan.wang@...ive.com>
Cc: linux-doc@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Yixun Lan <dlan@...too.org>,
	Longbin Li <looong.bin@...il.com>
Subject: [PATCH v3 0/3] riscv: Add bfloat16 instruction support

Add description for the BFloat16 precision Floating-Point ISA extension,
(Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62
("Added Chapter title to BF16") of the riscv-isa-manual.

Changed from v2:
1. rebase for v6.13-rc1

Changed from v1:
1. add missing code in sys_hwprobe.c

Inochi Amaoto (3):
  dt-bindings: riscv: add bfloat16 ISA extension description
  riscv: add ISA extension parsing for bfloat16 ISA extension
  riscv: hwprobe: export bfloat16 ISA extension

 Documentation/arch/riscv/hwprobe.rst          | 12 +++++
 .../devicetree/bindings/riscv/extensions.yaml | 45 +++++++++++++++++++
 arch/riscv/include/asm/hwcap.h                |  3 ++
 arch/riscv/include/uapi/asm/hwprobe.h         |  3 ++
 arch/riscv/kernel/cpufeature.c                |  3 ++
 arch/riscv/kernel/sys_hwprobe.c               |  3 ++
 6 files changed, 69 insertions(+)

--
2.47.1