From patchwork Mon May 3 22:34:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 1473488 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=wdc.com header.i=@wdc.com header.a=rsa-sha256 header.s=dkim.wdc.com header.b=HOjrypn/; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 4FYyyR1qrbz9sSs for ; Tue, 4 May 2021 08:56:30 +1000 (AEST) Received: from localhost ([::1]:41988 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ldhUJ-0007Ue-5b for incoming@patchwork.ozlabs.org; Mon, 03 May 2021 18:56:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56064) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldh9P-0000Z0-H9; Mon, 03 May 2021 18:34:53 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:28723) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ldh9J-00029V-KK; Mon, 03 May 2021 18:34:50 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1620081285; x=1651617285; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=996xNHOaJte2Ne5Z1bf2gQTkRE6nHIOU5XBHX1YwcPI=; b=HOjrypn/qPGr6onxTKcWOrQBPfY+nxu2D3WuUbleEXhTrXqPv35yOLK2 FxcD9b+IdwQ6MoNc1fcjwV75r0zWm0EjRO6HcpNvBbySAFnSQOB//oDKV tY0ZcLdWvIePzgwPhp1zesdxA5VPsU44gAjpWinWK9CvgfcXnH5k99qRR 0JlDmuDQW47+3DYUte/Wsfp3QCheeXlRegHu7tgQTWlh4THKdVuPkysaj gFCfSgU3WHuBiKq2fzJpneHmkv753hKRqd26fAVuYRgtO2TjluRuGNCh1 Z566OoGpYsKNKQRZoHAHZ4mihfl63szNRDP5dIkBp4o6eSDVH7SyAzoEY w==; IronPort-SDR: x9Agqk8OCKQbz57lLHecoSuWvQNitrXi4Sej8eG0DcEzQJdO0oboO4q4Ou59g04eoPt7CWzwWy QCiyM4UYZzYCYy4W6bKpGAcF2vxDPk2yYdjBk/0N8fjQA6Qh+Z7VV1BxpC+M6Q8ZlQdbEY7R/f V8cIEhg9mwYd864FzBlwNt+hTLe5QoVrReYX1Hfvc9fw/mMveJ5zkuEcgLDN5bRYm65uQqW165 A3tDNh65vCpGZZQCAWimkFcUaFHkjfhfFBNmxNbIvDGl/jZG1MzEECDS0JC/gQK9iBMLRdqJxg QPQ= X-IronPort-AV: E=Sophos;i="5.82,271,1613404800"; d="scan'208";a="278115916" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 04 May 2021 06:34:43 +0800 IronPort-SDR: Zs3o2UK2xTaqpigD7dB9EnnQghMjb3X5lOmCSIuRbecFotmEKFaFoyjMEq+n8G9wqQpl1Ck8aJ GDLLdjuLUsBEOX54xPchFI4caXGhTUcPjlQfNZEvj5++kwte5A19UqfJ41qJcWvtFMHG4SuGm8 qK/EFEU9iYYUIb1j0R+spmXdZIDA82Tbo9vdclYobb4DecXqq2DZV9lQG0882FTNgC0/Hi5MkX gOkaGodBBprHp0WTSaupHMNrtIkJRC9djAMyPcyc4K4wqFrKjZss5PqsviSHzDyZFSN7tSEz/A iYUZlEkoQO++x4HN/C5mBqdu Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 May 2021 15:13:26 -0700 IronPort-SDR: 3z9i/FQL4vCRhrfzHPH3HxEL0djO3l0t5josBZIRzbP9A+gh+Brtpo5mDn/gdVO6huyMYwmVmM qFU8/LCnKSZbvXGm5TdUZbDMTaZ9IxkQzzkn609PPlUfvi/WnRSc53O3kKXrzU+0yR5d96TDEy ycy8pmr0o7O5WKYKsBY3/inz5hmeVgEhb+rDdVe5qyC/MnDGfB7wpz9ZGHQDmvVb4BBkXfXc8s 3Q6gxxWdCqH35zFNl319Ip+k6VgLqbfnnqUY5fm++DsmluvmczWjpUbc634ZeXPK8KNkTDnwQs J1M= WDCIronportException: Internal Received: from unknown (HELO alistair-risc6-laptop.wdc.com) ([10.225.165.45]) by uls-op-cesaip01.wdc.com with ESMTP; 03 May 2021 15:34:39 -0700 From: Alistair Francis To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v1 1/1] docs/system: Move the RISC-V -bios information to removed Date: Tue, 4 May 2021 08:34:32 +1000 Message-Id: <4f1c261e7f69045ab8bb8926d85fe1d35e48ea5b.1620081256.git.alistair.francis@wdc.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Received-SPF: pass client-ip=68.232.141.245; envelope-from=prvs=750139ea6=alistair.francis@wdc.com; helo=esa1.hgst.iphmx.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-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: alistair.francis@wdc.com, bmeng.cn@gmail.com, palmer@dabbelt.com, alistair23@gmail.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" QEMU 5.1 changed the behaviour of the default boot for the RISC-V virt and sifive_u machines. This patch moves that change from the deprecated.rst file to the removed-features.rst file and the target-riscv.rst. Signed-off-by: Alistair Francis Reviewed-by: Bin Meng --- docs/system/deprecated.rst | 19 ------------------- docs/system/removed-features.rst | 5 +++++ docs/system/target-riscv.rst | 13 ++++++++++++- 3 files changed, 17 insertions(+), 20 deletions(-) diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst index 80cae86252..dd83c95211 100644 --- a/docs/system/deprecated.rst +++ b/docs/system/deprecated.rst @@ -52,25 +52,6 @@ pcspk-audiodev=``. ``tty`` and ``parport`` are aliases that will be removed. Instead, the actual backend names ``serial`` and ``parallel`` should be used. -RISC-V ``-bios`` (since 5.1) -'''''''''''''''''''''''''''' - -QEMU 4.1 introduced support for the -bios option in QEMU for RISC-V for the -RISC-V virt machine and sifive_u machine. QEMU 4.1 had no changes to the -default behaviour to avoid breakages. - -QEMU 5.1 changes the default behaviour from ``-bios none`` to ``-bios default``. - -QEMU 5.1 has three options: - 1. ``-bios default`` - This is the current default behavior if no -bios option - is included. This option will load the default OpenSBI firmware automatically. - The firmware is included with the QEMU release and no user interaction is - required. All a user needs to do is specify the kernel they want to boot - with the -kernel option - 2. ``-bios none`` - QEMU will not automatically load any firmware. It is up - to the user to load all the images they need. - 3. ``-bios `` - Tells QEMU to load the specified file as the firmwrae. - Short-form boolean options (since 6.0) '''''''''''''''''''''''''''''''''''''' diff --git a/docs/system/removed-features.rst b/docs/system/removed-features.rst index 29e90601a5..747a763b37 100644 --- a/docs/system/removed-features.rst +++ b/docs/system/removed-features.rst @@ -126,6 +126,11 @@ devices. Drives the board doesn't pick up can no longer be used with This option was undocumented and not used in the field. Use `-device usb-ccid`` instead. +RISC-V firmware not booted by default (removed in 5.1) +'''''''''''''''''''''''''''''''''''''''''''''''''''''' + +QEMU 5.1 changes the default behaviour from ``-bios none`` to ``-bios default`` +for the RISC-V ``virt`` machine and ``sifive_u`` machine. QEMU Machine Protocol (QMP) commands ------------------------------------ diff --git a/docs/system/target-riscv.rst b/docs/system/target-riscv.rst index 8d5946fbbb..0001c55fca 100644 --- a/docs/system/target-riscv.rst +++ b/docs/system/target-riscv.rst @@ -69,5 +69,16 @@ undocumented; you can get a complete list by running riscv/microchip-icicle-kit riscv/sifive_u -RISC-V CPU features +RISC-V CPU firmware ------------------- + +When using the ``sifive_u`` or ``virt`` machine there are three different +firmware boot options: + 1. ``-bios default`` - This is the default behaviour if no -bios option + is included. This option will load the default OpenSBI firmware automatically. + The firmware is included with the QEMU release and no user interaction is + required. All a user needs to do is specify the kernel they want to boot + with the -kernel option + 2. ``-bios none`` - QEMU will not automatically load any firmware. It is up + to the user to load all the images they need. + 3. ``-bios `` - Tells QEMU to load the specified file as the firmware.