From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f173.google.com (mail-pg1-f173.google.com [209.85.215.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2E171C5485 for ; Fri, 18 Apr 2025 05:34:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744954448; cv=none; b=cp3Gg51dK0pTsreGY63gQBTPgBgSOtikZ7cVWVtAMI/8dRZqd+UO6TxZeTypF/xwIIDqPAvyj1OrUXrbpm13UHZ8GlxhlJGm5npl7BNAHBzAcBJ5k+kbEdxNxz1TdfJs+cv3raL09aCKuyujitTbI6zX8kWAgm1Dzb/6I3RFS5k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744954448; c=relaxed/simple; bh=LtRg6niHEi2DQ9iFDzwd5PA1DwtNs1UPqBb+ekeVp3U=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=rc9bDhNKTHBgmjiRw/sSvpy8BMQY5hSw2T4G4WDXC/v8+9STS3QXlLafWzq3FzSHNJU4uv+o5upl8+Y2T6vHZZ2AdQpXSdjg8oUhz6NNqOBiD35E0GI5c0Fi4TPzXyo77mJKzVCKadkGkZbCfUfRyqkfFOAZX26so1DaTF6XoD4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=sifive.com; spf=pass smtp.mailfrom=sifive.com; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b=UgU5ug4y; arc=none smtp.client-ip=209.85.215.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=sifive.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sifive.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="UgU5ug4y" Received: by mail-pg1-f173.google.com with SMTP id 41be03b00d2f7-af590aea813so2680162a12.0 for ; Thu, 17 Apr 2025 22:34:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1744954446; x=1745559246; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Ifg+0ndXJ2hyqLqsXxIeKIJUyt2/+ZV8bbkAn0MMen4=; b=UgU5ug4ycWDYc0y9b0U+r0rw/XBmkgCaka+N8KC66/P9MnKem1f9rKAnzRYgmXgsDD b/Lt30fiv8RrVfuKXqb+GkBcUwz3EnKepWUvB0MGysVubU5HAWOb/pLqOmKKZhmEZv/m GHsEORpMEFu1CKtrrj3FDMPlV/96zwdIUpkCCZRawaWOKo2yGSEpqPGqCMIR4Q/1et/E P+6Ia2OCLqBvfSxNflo65joFzjC8YE0JcXfwxqgMYGue1Fbh0z4e6n9TG7Y/Z2LdeNYr FLNqwcsxPC5JF9HFAqcG3NmUfmiZLshm+0dagf8KAarF64hP0+nLhe2OGanTodkmaamH qO+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744954446; x=1745559246; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Ifg+0ndXJ2hyqLqsXxIeKIJUyt2/+ZV8bbkAn0MMen4=; b=YyA6PvPcXaasGUY93YqUDPkVP8D3fAvnaYT4kmJY+Ry5vXuXTt3oIeXLMkrFXRjOwd enTN2ZzzOHNIjAtIz24uSiL4TepVWTAaabWt1xW3bN8qSYwq5gASoV7llbbZDINB8EHg LhXe0jJjjZr7CQJRmkqCdeR5wucqZ86lfyPup00xlkiTDhq5XfWTcVufkjypOIZCWXrd MsQi3k/gPdt2Ukqrc1fetmJWdLe5S/I24XZZZvtAX14GQFuHM74lbb3hjrdhm5210Obp BUFZIVE27qPNlh4DYVuZU5zYpKTzSm7MhrNZ5qH94/Tht3F8l26fGnRszoTH26zns0z1 MSYw== X-Forwarded-Encrypted: i=1; AJvYcCVzoU975R4g3zuSiN0hmSaGPdZZmieySht7aysyVXcHmG9VJ8WtbI9QYewswqrFs5AGUU1cLfNlBwjD8sM=@vger.kernel.org X-Gm-Message-State: AOJu0YweYoi8fhHD5H0O8mO/J0wKHP41YgWSk/ah3HSFwO1gNdpuumsj zrH3s4mL0ILIX8iQvdse2bYDCUac+imZUKUKeB3SLdcUebVlWduQfDuZo9GeEsY= X-Gm-Gg: ASbGncsp+le7W3FYBpaqacUoeimkAaZqXUhePJtmyABrbMQ9mVzGR6liP9mfCGEllML qxIWDREJwYaJrFc8CW8sUAT13VM40bey7aO+fHt9gSZPSJTBDpzIcBdb1AddPoHIbRtEgvTLqKj cp36gVFIlh8XBJSU7rV8M3xV8IitiV53vsl5hDX8lfR7Trji5ukNRq73V7XNlc3vrmw7QbQ72Jo c5EUXCy0butLk3wGS7il4XED6a57CaHAQ37LCHTPfAHyjX1p3pUMuW1NIMnAl92g4fKJHFw5aiD cVYcSkiNe7GrvX63S+wBrfnbwJWPJMvJIewd18NMYDD7xP2mXU8uXaom4ikaejTjRZ/24rAnf4M j X-Google-Smtp-Source: AGHT+IF30Ic6GVhtBZhXWiFfbhsB3x60TB4XZmnInk7Uzg1ufwZLD/plPYkbKF7vJ/qDJWcBp1kQIw== X-Received: by 2002:a17:903:3bcc:b0:223:3eed:f680 with SMTP id d9443c01a7336-22c50d44a6bmr35959255ad.18.1744954446358; Thu, 17 Apr 2025 22:34:06 -0700 (PDT) Received: from cyan-mbp.internal.sifive.com ([136.226.240.168]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73dbfaed86csm834555b3a.180.2025.04.17.22.34.03 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 17 Apr 2025 22:34:05 -0700 (PDT) From: Cyan Yang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, corbet@lwn.net, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, samuel.holland@sifive.com Cc: linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Cyan Yang Subject: [PATCH 00/12] riscv: Add vendor extensions support for SiFive Date: Fri, 18 Apr 2025 13:32:27 +0800 Message-Id: <20250418053239.4351-1-cyan.yang@sifive.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 (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)