From patchwork Sun Feb 12 20:55:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse T X-Patchwork-Id: 13137589 X-Patchwork-Delegate: palmer@dabbelt.com 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 3ED39C05027 for ; Sun, 12 Feb 2023 20:55:35 +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=APPBFV6CRoqXHqktsWWB/afC0BGjmBb94Rg5RVnRkOs=; b=ZRSce0SpLrVeVg AG9BKNMUgfejYYviySP2GKOtNEfZyHui+bz0nWUS2Ny5hqP0gboDqXgdhPhoJbNwzoqYKUMj6Gky8 hs73a13bme2koSX6MYsIcMc+JSGzV1jjb1TJYzPd5n4WEKCbOrvBY4vCPi+jPSYN4t2kbq2DvFVyE 8G9xjZQZIfHY9PNj6M0ClZMvOPHgwQppsiKJLJwctQm5E1x9xaIz+IpEgnAUiIknSQdWQKMa3dORL fD78zjrJxk6H0X1r/kxHMcxcGjgVrTsvbe9vOOVYVhOueqpCa8m3XVnOmKB5ouXGkxya2sV8IKqsd hjFGM9OqNqP1///F0frw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRJNS-00CJUM-Ao; Sun, 12 Feb 2023 20:55:14 +0000 Received: from mail-qv1-xf30.google.com ([2607:f8b0:4864:20::f30]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRJNO-00CJSj-U5 for linux-riscv@lists.infradead.org; Sun, 12 Feb 2023 20:55:12 +0000 Received: by mail-qv1-xf30.google.com with SMTP id j5so5065555qvi.3 for ; Sun, 12 Feb 2023 12:55:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=vQdHW+PhZq9WcInZ2+SoRq4atvNxsCBkR2bKm9EuIOs=; b=GkttBvPlAObOivWdQ0mXQJnKbbGtSDX0YG4FGKozO5eqFdmh2+9C3DSiMsnK6F5Xma /sa+Usls+PdZKAGCKeHzxJUlUh641FtZ7jrtlshH3zNja8o4XZ35goIqz9nJ9JrfczET Sp2MzSAOi5Mx6KSt//w+0/74AbweY6E+c9Taqz50P52EQihVyktFL1MXjMFP/rNIrc4R nzqVh+NAo/xMF0zWYjH++GsLAVPBM1ER3CUCgcmRV3DjeIq2erLqdlbhfF9jpK/jbmlX 0g2tp0S0Eexk0yqkBqaKx1s3/qEqGch0MMvQycUlGZcl4r5wnJMFTnSaag2Gx+39JGek t7Ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vQdHW+PhZq9WcInZ2+SoRq4atvNxsCBkR2bKm9EuIOs=; b=tLK7ue6dS48Q30meH1hyw0wQTBNPFhjgx7E37QQkQOJ4sffxzbWEbIHrVIJtuegFkU SWKTYydIf3IdnsiSwWubYH3c7wdBYUswcRybJgamIpkGFY4qfHQwb0DoKWv+xS/6Gmgj K033K24y8nESCGubKK+hHcDktMVuqxyEBFq4Yxci5Ur638ekshx3vTkL/sDdCEQ2vyY3 jfS0wE613djfM6vv1/s5e+ARgRVd9ZB36BoClZJZTOVQ5TLKISdx0fZo7pfLc/jD0m3w 9VXQx+HVK3qWiCuyDklYAY00ph33hpsflenFYAele3lmbJZKtwHR1DhQakeVe4rSbLTE wr7Q== X-Gm-Message-State: AO0yUKXgi7L8/aDQBUdflad7obg4rk0cYIRvpP7at3w8gh80Je6Y3HU9 EB9BNJKQQZi7zMwTJN8809FpUOxWkqdWvg== X-Google-Smtp-Source: AK7set/7PO+QFexTHSQTgL0s0TsPzpuVBx6+y8AuSbEd+yCd227mmBNu++ZlMRl7YxkXXkgXnheaiQ== X-Received: by 2002:a05:6214:e61:b0:56b:ec1f:db0d with SMTP id jz1-20020a0562140e6100b0056bec1fdb0dmr33894218qvb.34.1676235308881; Sun, 12 Feb 2023 12:55:08 -0800 (PST) Received: from jesse-desktop.jtp-bos.lab (pool-108-26-182-112.bstnma.fios.verizon.net. [108.26.182.112]) by smtp.gmail.com with ESMTPSA id o62-20020a374141000000b0072ad54e36b2sm8289233qka.93.2023.02.12.12.55.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Feb 2023 12:55:08 -0800 (PST) From: Jesse Taube X-Google-Original-From: Jesse Taube To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Jesse Taube , Yimin Gu , Waldemar Brodkorb , Albert Ou , Palmer Dabbelt , Paul Walmsley , Conor Dooley , kernel test robot Subject: [PATCH v2 1/3] clk: k210: remove an implicit 64-bit division Date: Sun, 12 Feb 2023 15:55:04 -0500 Message-Id: <20230212205506.1992714-2-Mr.Bossman075@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230212205506.1992714-1-Mr.Bossman075@gmail.com> References: <20230212205506.1992714-1-Mr.Bossman075@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230212_125510_988067_C2ECB27A X-CRM114-Status: GOOD ( 12.75 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Conor Dooley The K210 clock driver depends on SOC_CANAAN, which is only selectable when !MMU on RISC-V. !MMU is not possible on 32-bit yet, but patches have been sent for its enabling. The kernel test robot reported this implicit 64-bit division there. Replace the implicit division with an explicit one. Reported-by: kernel test robot Link: https://lore.kernel.org/linux-riscv/202301201538.zNlqgE4L-lkp@intel.com/ Signed-off-by: Conor Dooley Signed-off-by: Jesse Taube --- drivers/clk/clk-k210.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/clk-k210.c b/drivers/clk/clk-k210.c index 67a7cb3503c3..4eed667eddaf 100644 --- a/drivers/clk/clk-k210.c +++ b/drivers/clk/clk-k210.c @@ -495,7 +495,7 @@ static unsigned long k210_pll_get_rate(struct clk_hw *hw, f = FIELD_GET(K210_PLL_CLKF, reg) + 1; od = FIELD_GET(K210_PLL_CLKOD, reg) + 1; - return (u64)parent_rate * f / (r * od); + return div_u64((u64)parent_rate * f, r * od); } static const struct clk_ops k210_pll_ops = { From patchwork Sun Feb 12 20:55:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse T X-Patchwork-Id: 13137588 X-Patchwork-Delegate: palmer@dabbelt.com 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 F141DC636D4 for ; Sun, 12 Feb 2023 20:55:28 +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=d4g8orp6EfIcjgrc3vd6//q6YKZwc6Ui6+I08Gb/VLo=; b=tfcp8n9GHHU+bf o+KawLAsL7uyLez1WW3S0DuRThCkPTqw+9S1W9bf/6pLmROYMl1jJo9v/ovtgrvHK1WRyujxwvJMv 3oxD4TCH7ZzaceH7C9HD6GjVBu7MAw7HharwKCggvCtAseJ6l5OKQjy/2WhrzJ4tr7YHGTP9yvWa5 hCKPUGnWuN16QOH91TH9jgxoAnK27ZYNMCnEXEQy79KupEttc4E1GCuZ6f6lJcrY/mD7NsoghZJQt wiv05aP0a52sULGXGX+JEu/4BtKs1B1QO3I4JzqH1s7QbmDG+egtrVqK2A6jBi48mXmMEMwq74bte vS/f8wLrx6seRapHdcyg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRJNZ-00CJWN-8t; Sun, 12 Feb 2023 20:55:21 +0000 Received: from mail-qt1-x829.google.com ([2607:f8b0:4864:20::829]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRJNP-00CJSr-9L for linux-riscv@lists.infradead.org; Sun, 12 Feb 2023 20:55:13 +0000 Received: by mail-qt1-x829.google.com with SMTP id c2so11944473qtw.5 for ; Sun, 12 Feb 2023 12:55:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2Au6CyYPAK9MMu54GU8ZYr6dkPuGof5usEwyOLzycXk=; b=R5iDCdhKZDRcDyk6JEWeTsc3H3qiETZQnTUJtmJ7rVJMEcsUsSBA5yhUDN63euSzlh HHlW6D1ZkGAtKB3FEcWCEi7AeUU6SqXYGwnNkAOyEdoCu4NuZqU/NleRYmQ9CmXSTlv5 Zc017d0fbYZ8dQhPYHvX/d1QKIOmQwQXeOZyDrhwdqhIXy6BMfSoUeFEQWTCMtCa3fa0 9IC0+uNjJ+ZGv/dj/WgYIGF4thtFPnjmZRmg8B9kUhM5VinzObUMmmVq5IJ9yhE9JYLS bsu4EPDygZjMu2XYYpjt7zIJzhweyCR/XB3PCYvwFT/+6E7BZMRNHJNG+3cr5OzTpt+C mepg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=2Au6CyYPAK9MMu54GU8ZYr6dkPuGof5usEwyOLzycXk=; b=lYch+EIqqMCHj98ojrdQ1HFUlJ8Nc4vZI8fI4iwk/kJvSAEkfpzzBkXiZfm/mNJdE1 zMMxvAygc1+eAd0fJCPk5UQQ7GFsJfZaroelZsygz38nmkJHAIqc/uxJpal3LnFRPJ8p AElYdvZUlUUmcOlXWqGbas13K+VNvlsgdLK0WEdT0pvpVvVdvSmnHnumB1WMEJ4XbxAo 6bA8BzfcJd6Ye11LmJilOFDM3cvxOyFSJbKWZ6t1MYvu5Ob6HiO1eQL4ryk3zwC92Bru 5eyRQSqz+aB7V5qwg0+/gl+zrtu/rn4eeVBwXDRhOnYl8IKxMwObShjq9pYHe8nZt3+5 S1+g== X-Gm-Message-State: AO0yUKVjrSjz2rmt5ugaHw+L2RF0JF4qUZBmWEz0FHxWKCe9tgwE4syU csDUrznHEV9RaJstFZA4Co2Qf+r1cupC+Q== X-Google-Smtp-Source: AK7set+mdFGsW7vWxO83UMH+FHZxLgRCvHWUm7dPLycj8dlzQiwvTE/P6DPhram2BQe/Le8dmLYBvQ== X-Received: by 2002:ac8:5e92:0:b0:3b9:bc8c:c20a with SMTP id r18-20020ac85e92000000b003b9bc8cc20amr17289416qtx.21.1676235309701; Sun, 12 Feb 2023 12:55:09 -0800 (PST) Received: from jesse-desktop.jtp-bos.lab (pool-108-26-182-112.bstnma.fios.verizon.net. [108.26.182.112]) by smtp.gmail.com with ESMTPSA id o62-20020a374141000000b0072ad54e36b2sm8289233qka.93.2023.02.12.12.55.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Feb 2023 12:55:09 -0800 (PST) From: Jesse Taube X-Google-Original-From: Jesse Taube To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Jesse Taube , Yimin Gu , Waldemar Brodkorb , Albert Ou , Palmer Dabbelt , Paul Walmsley Subject: [PATCH v2 2/3] riscv: Kconfig: Allow RV32 to build with no MMU Date: Sun, 12 Feb 2023 15:55:05 -0500 Message-Id: <20230212205506.1992714-3-Mr.Bossman075@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230212205506.1992714-1-Mr.Bossman075@gmail.com> References: <20230212205506.1992714-1-Mr.Bossman075@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230212_125511_386067_FDB5A318 X-CRM114-Status: GOOD ( 10.06 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Yimin Gu Some RISC-V 32bit cores do not have an MMU, and the kernel should be able to build for them. This patch enables the RV32 to be built with no MMU support. Signed-off-by: Yimin Gu CC: Jesse Taube Tested-by: Waldemar Brodkorb Signed-off-by: Jesse Taube --- arch/riscv/Kconfig | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 59d18881f35b..49759dbe6a8f 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -163,8 +163,8 @@ config MMU config PAGE_OFFSET hex - default 0xC0000000 if 32BIT - default 0x80000000 if 64BIT && !MMU + default 0xC0000000 if 32BIT && MMU + default 0x80000000 if !MMU default 0xff60000000000000 if 64BIT config KASAN_SHADOW_OFFSET @@ -262,7 +262,6 @@ config ARCH_RV32I select GENERIC_LIB_ASHRDI3 select GENERIC_LIB_LSHRDI3 select GENERIC_LIB_UCMPDI2 - select MMU config ARCH_RV64I bool "RV64I" From patchwork Sun Feb 12 20:55:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse T X-Patchwork-Id: 13137586 X-Patchwork-Delegate: palmer@dabbelt.com 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 6C4F6C636D3 for ; Sun, 12 Feb 2023 20:55:28 +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=PXtuEqnHDSVXQk94pqKM750IVd3tl8R7WuC9M0Yrims=; b=R3fCsG5JRvNcSc arLC35pTFrgXHiGyOW/siosmH3AxmFgfDXyp84ANdAt3qYcqXdZ7VslUJAZe+OJnKLsSghyPhURqD NLh7MYAyNFcxiE9Hwxb0Sh+HA+b5NgQsYQ1dN4p4AJW7C07VnJlfKX1v8xqqqpZF0ieU7xVqp15HA CphRnk3LBb9DRr79kUmNglGkY5fB5raXrMktCTH2szbOb8y2qJ5++mqz8cYm+/0nRXHLHvpzJ9G0x VMaOrtmkqsdqpwxwM+syhufglwJyfKQajLHO7TOyTt8pm//UXU9cBj5yG6bE1c6AKGES886hOFnHA Fpj2jZYoTDYGew+ZN/qA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRJNX-00CJVd-1u; Sun, 12 Feb 2023 20:55:19 +0000 Received: from mail-qt1-x82f.google.com ([2607:f8b0:4864:20::82f]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pRJNP-00CJTG-VT for linux-riscv@lists.infradead.org; Sun, 12 Feb 2023 20:55:13 +0000 Received: by mail-qt1-x82f.google.com with SMTP id m12so11944232qth.4 for ; Sun, 12 Feb 2023 12:55:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=CvWquSrWDihZ0acdWJU0hmpgtyP5vfxrh4ZjBtKv7GY=; b=WNWzEb8TKQjRiPhehEQX7DRiF0/Z63jHq43yArV/dBCmlAsI1tKxNiT81JcFwOqny0 yu+MxWkK0EunFt8gijrANji4vbcteVxEkBlBDwbebRpUOtoaSGAw4PFS507An51wz8yi n2rcek9j14B+HNpZDw2q1d6n+bpi3CzPQ/5FSHQif1tg8DkbbP4F/gplofGk8Us7wUZP yO7LlAo/6P+ZoYa6POP11pScfnmiLiiIFDDVMQu9HkWKJ3RoV3+hxYBsl7cSXshCNkCx jKAychv4pUqiToMrhSVaWoJWboi4U7GtXMLI+pnJ8w18LFWwXPiroigNwc/lZ1ED1dbk RhUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CvWquSrWDihZ0acdWJU0hmpgtyP5vfxrh4ZjBtKv7GY=; b=nULkkmvTivplUvC8BQRS3LwfSSwjvFenSgpW2TpL2/SWEJ2bszIfpPQcoGE+SaR2a9 IZLhC2J+8SuWUlppHh6egvliQPjXx968DQ+bFBEzr5HqQwNxDZw9DZwoKnHY+ZXCMWO/ xa9Ue2rrjNuNqGvVjsE8ERJCIVZOGHqhHclouvfZCy4g9kZts19MbeE4fTQ8ivpuQZPf wl+ISPbz6FHnv6nUrwi94iWRiS0GJJASIFhgNPkFOSBYTNb40bmbvbGnH45Bq/d/SWR9 btJ7B3IWg+1AWzQWCaPVVckWFBLRY3z+bwfNzfvNL6OJalt8fhUT2az898EXPBjZj29h ZeLw== X-Gm-Message-State: AO0yUKXzc/D7MyG3fP4wEqSWTQ/U6yZiuzA/4LZgmMXZgGnNlb22h6UH sKoYS7Po0dZ0GDmichlPVVGl23jzy/P9QA== X-Google-Smtp-Source: AK7set/xtp4Wf2aA37Exq3ClOp0kX71cmUo1VJxyVPprCWafZdvKJIGxNGYF41HOd0BCPxlMuXvyWg== X-Received: by 2002:ac8:5cca:0:b0:3ab:ceb9:10fd with SMTP id s10-20020ac85cca000000b003abceb910fdmr40007531qta.25.1676235310522; Sun, 12 Feb 2023 12:55:10 -0800 (PST) Received: from jesse-desktop.jtp-bos.lab (pool-108-26-182-112.bstnma.fios.verizon.net. [108.26.182.112]) by smtp.gmail.com with ESMTPSA id o62-20020a374141000000b0072ad54e36b2sm8289233qka.93.2023.02.12.12.55.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Feb 2023 12:55:10 -0800 (PST) From: Jesse Taube X-Google-Original-From: Jesse Taube To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Jesse Taube , Yimin Gu , Waldemar Brodkorb , Albert Ou , Palmer Dabbelt , Paul Walmsley Subject: [PATCH v2 3/3] riscv: configs: Add nommu defconfig for RV32 Date: Sun, 12 Feb 2023 15:55:06 -0500 Message-Id: <20230212205506.1992714-4-Mr.Bossman075@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230212205506.1992714-1-Mr.Bossman075@gmail.com> References: <20230212205506.1992714-1-Mr.Bossman075@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230212_125512_112999_EEB1B3C4 X-CRM114-Status: GOOD ( 11.14 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 32bit risc-v can be configured to run without MMU. This patch adds an example configuration for RV32 nommu virtual machine. Signed-off-by: Jesse Taube Cc: Yimin Gu --- arch/riscv/configs/rv32_nommu_virt_defconfig | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 arch/riscv/configs/rv32_nommu_virt_defconfig diff --git a/arch/riscv/configs/rv32_nommu_virt_defconfig b/arch/riscv/configs/rv32_nommu_virt_defconfig new file mode 100644 index 000000000000..460907253a80 --- /dev/null +++ b/arch/riscv/configs/rv32_nommu_virt_defconfig @@ -0,0 +1,16 @@ +CONFIG_BLK_DEV_INITRD=y +# CONFIG_MMU is not set +CONFIG_COMPAT_32BIT_TIME=y +CONFIG_SOC_VIRT=y +CONFIG_NONPORTABLE=y +CONFIG_ARCH_RV32I=y +CONFIG_BINFMT_FLAT=y +CONFIG_SLOB=y +CONFIG_VIRTIO_BLK=y +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_VIRTIO_MMIO=y +CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y +CONFIG_EXT2_FS=y +CONFIG_PRINTK_TIME=y