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([12.186.190.2]) by smtp.gmail.com with ESMTPSA id m2-20020a05620a220200b00777611164c5sm2701263qkh.106.2023.11.14.06.13.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Nov 2023 06:13:32 -0800 (PST) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Palmer Dabbelt , Paul Walmsley , Rob Herring , Krzysztof Kozlowski , Albert Ou , Jonathan Corbet , Andrew Jones , Evan Green , Conor Dooley , Samuel Ortiz , Jerry Shih Subject: [PATCH v4 02/20] riscv: hwprobe: export missing Zbc ISA extension Date: Tue, 14 Nov 2023 09:12:38 -0500 Message-ID: <20231114141256.126749-3-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231114141256.126749-1-cleger@rivosinc.com> References: <20231114141256.126749-1-cleger@rivosinc.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit While Zba and Zbb were exported through hwprobe, Zbc was not. Export it. Signed-off-by: Clément Léger --- Documentation/arch/riscv/hwprobe.rst | 3 +++ arch/riscv/include/uapi/asm/hwprobe.h | 1 + arch/riscv/kernel/sys_riscv.c | 1 + 3 files changed, 5 insertions(+) diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst index 7b2384de471f..3f71da935a65 100644 --- a/Documentation/arch/riscv/hwprobe.rst +++ b/Documentation/arch/riscv/hwprobe.rst @@ -80,6 +80,9 @@ The following keys are defined: * :c:macro:`RISCV_HWPROBE_EXT_ZICBOZ`: The Zicboz extension is supported, as ratified in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs. + * :c:macro:`RISCV_HWPROBE_EXT_ZBC` The Zbc extension is supported, as defined + in version 1.0 of the Bit-Manipulation ISA extensions. + * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: A bitmask that contains performance information about the selected set of processors. diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index b659ffcfcdb4..aca5abc7ebee 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -30,6 +30,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZBB (1 << 4) #define RISCV_HWPROBE_EXT_ZBS (1 << 5) #define RISCV_HWPROBE_EXT_ZICBOZ (1 << 6) +#define RISCV_HWPROBE_EXT_ZBC (1 << 7) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c index c712037dbe10..7a40145e9628 100644 --- a/arch/riscv/kernel/sys_riscv.c +++ b/arch/riscv/kernel/sys_riscv.c @@ -162,6 +162,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, EXT_KEY(ZBB); EXT_KEY(ZBS); EXT_KEY(ZICBOZ); + EXT_KEY(ZBC); #undef EXT_KEY } -- 2.42.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 26928C07524 for ; Tue, 14 Nov 2023 14:13:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wtKnEa82PLIDfzDXmPHmEx+j7uz5Mm1qXgPw/COnoOc=; 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