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 X-Spam-Level: X-Spam-Status: No, score=-10.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C3EBC433DB for ; Fri, 26 Mar 2021 13:32:07 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BDECF619C2 for ; Fri, 26 Mar 2021 13:32:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDECF619C2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:34000 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lPmZJ-0003VO-Ks for qemu-devel@archiver.kernel.org; Fri, 26 Mar 2021 09:32:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40742) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lPmXM-0002PM-S9; Fri, 26 Mar 2021 09:30:04 -0400 Received: from mail-yb1-xb34.google.com ([2607:f8b0:4864:20::b34]:42696) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lPmXK-0002nc-87; Fri, 26 Mar 2021 09:30:04 -0400 Received: by mail-yb1-xb34.google.com with SMTP id v107so862643ybi.9; Fri, 26 Mar 2021 06:30:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=KIYIqmTfGGqWK40aMu2S+zzetb5A+tNz+puFdVqd1uQ=; b=LmFwPXcZ/MMaGX/SAOQ79kllbSwlIn0KKEp/qpxVieEWNgJwyEnNzHVdtM9utnAwoa 0z5bV2p9UnBBIZ0A4pNEAXOZ068vW/vichNaTwUMCOsP9mbY+Gg589BDCzdUhy6poKIM XfW7qP9MQ/8dd6dpnRrhrfUIXRjAnM/bcyAjQK1y5tuVP1CGZwWxMgLxtBMo0QULsNOG GF6mM+9cTKVHR/uJZDzZaUYZ73zmSm/SbxNh+i8iUISsq85IBsbtLlzZ7XxM+KUMToz0 dy+E2F8NWLU9PgdY53haYKsv6dGwMAJEuneFYwamr3skGANEve2ltTOOKAQ6EgYSEyu7 CvWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=KIYIqmTfGGqWK40aMu2S+zzetb5A+tNz+puFdVqd1uQ=; b=SV1kLdWhzhSljRz/7PngwDwvFYhSuRoFg4vnxzy34LwIy7JfoeMSpYKLEM+gsKK+uB 4HJn/sUUSgZamA8xyEP2eBkiKvR/DuQL1YkoKyXFd8qE9X4V1NKtICwRcLHdBPQ6jqhv GKW1zxo+4SjPrVJeyyiIGYUcQ2rKZ2dEHvzl8lK4NfpiMt+dLr/+DHheG8ltjgu/lFAe nGJ5krnAdJWCuz06CnPQ6q1xR+C1sosnvrvutqvr9w8JWa8XlUi+y5Qg+bEpXP9bM/VG CW21Li78jDSAye+dK1PaspfZ+zGIbfsTS/ssHQM7u5I3MKkf6tbmq3p3Qp1kO/PqIHUT 5sxQ== X-Gm-Message-State: AOAM530nCnT4gk+vADCe84GtTvAcPuorq/YAPzjjyUhqJLPTmRPdNUG4 aUIe3gq3aOVgVu/2F1bVeLQklV6iyOybZb8Kn34= X-Google-Smtp-Source: ABdhPJw7xRi8q4SexRtoU4QnAtesuz5YkUcUMgBUa1qVNqmhDGu++MZBMx2aSjFqlAnTtzrYANdx4ZqPYTaYTq1ee4Y= X-Received: by 2002:a25:73d1:: with SMTP id o200mr20750099ybc.239.1616765400914; Fri, 26 Mar 2021 06:30:00 -0700 (PDT) MIME-Version: 1.0 References: <20201022053225.2596110-1-anup.patel@wdc.com> In-Reply-To: From: Bin Meng Date: Fri, 26 Mar 2021 21:29:51 +0800 Message-ID: Subject: Re: [PATCH 1/2] hw/riscv: sifive_u: Allow passing custom DTB To: Anup Patel Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::b34; envelope-from=bmeng.cn@gmail.com; helo=mail-yb1-xb34.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , "open list:RISC-V" , Sagar Karandikar , Anup Patel , "qemu-devel@nongnu.org Developers" , Atish Patra , Alistair Francis , Palmer Dabbelt Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Mar 24, 2021 at 9:41 PM Bin Meng wrote: > > Hi Anup, > > On Thu, Oct 22, 2020 at 1:34 PM Anup Patel wrote: > > > > Extend sifive_u machine to allow passing custom DTB using "-dtb" > > command-line parameter. This will help users pass modified DTB > > or Linux SiFive DTB to sifive_u machine. > > > > Signed-off-by: Anup Patel > > --- > > hw/riscv/sifive_u.c | 28 ++++++++++++++++++++-------- > > 1 file changed, 20 insertions(+), 8 deletions(-) > > > > I am using the following command to boot a Linux v5.11 kernel, but it hangs at: > > $ qemu-system-riscv64 -M sifive_u -smp 5 -m 8G -display none -serial > stdio -kernel arch/riscv/boot/Image -dtb > arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dtb -append > "earlycon=sbi console=ttySIF0" > > [ 0.000000] smp: Bringing up secondary CPUs ... > > Removing -dtb makes the kernel continue booting. > > I am not sure what's missing ofusing "-dtb"? I figured out what's missing, and will send a patch on documentation soon. Regards, Bin