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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9369C433F5 for ; Wed, 20 Oct 2021 14:11:45 +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 781E16138B for ; Wed, 20 Oct 2021 14:11:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 781E16138B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:44202 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdCJk-0006vx-CD for qemu-devel@archiver.kernel.org; Wed, 20 Oct 2021 10:11:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41922) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mdCCf-0004YX-Mj for qemu-devel@nongnu.org; Wed, 20 Oct 2021 10:04:26 -0400 Received: from mail-ed1-x529.google.com ([2a00:1450:4864:20::529]:37378) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mdCCd-0006V8-QB for qemu-devel@nongnu.org; Wed, 20 Oct 2021 10:04:25 -0400 Received: by mail-ed1-x529.google.com with SMTP id y12so29022048eda.4 for ; Wed, 20 Oct 2021 07:04:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xkpyQ5AbPw+FNWjiWupZngTj/v1uTkaJRn/m66KNdZI=; b=BTw7umoj+miGB0KjxlLfq2Tvi/13DTGEzPAHa856igG/mqQrQdAkjNWCFRFi9mXfAV ko5uOphOPD3kdHtRE8iF0UPipGcobJQ6TGkDUtIK24Nc/S90VoOgd6T4A5i4FUgGt9fk 9T43NtsuWe3ZL3XitYsVtEU8JcYVWxKXBlSl3ChzCVEB+a7Gdm4yNiAC3nKWi90lTyu4 RbcrmjEeaTwWk8I2VhKNQ139Zfut75tqrq4+lVKm/cwLN3lJ8UHjysf3h5V8gko01+5S byzH/WcOj5+sTz+A6h5G9QhzEolHu84wpmuWN9/rw5HWp7D9GYOQx4xGIpDCmKT3K3tr JZxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=xkpyQ5AbPw+FNWjiWupZngTj/v1uTkaJRn/m66KNdZI=; b=BJlDkOIoLBsfZFEmxlF92m1zvPWBqq/Tg/5r8+cYha5gOmJTLutF32sSx7fUpaENzZ 9mJMr8mkHNxA4VxQfLN19kMQYpMUZ8TGHNpdM7A1efWRrIDEkYIrbiX/Lla4mIkIiMGl zva9zOGC/2MHZ3S/1NWaEVX9p+JD1pAETDhMIJ7kvbIYwh40cFOA4YlHvzqOyTtLEXEZ VPGUh6q9PjYsVqyaw+FBdXUQFn2CE13t6dAksKkt9xE5LWE3Hep1NubsYKk6qCSYj2PR jGmF/d1d65A2gXig0wp81LySaALOeKtXhR1soO97cfNu7Tyj7FrVE1G3tgfBhG2Qqdak uqsA== X-Gm-Message-State: AOAM5323lBB9eZNWnX4wjGOD9lIjvb1F2ilT52Om/DQtZHaAZhxm/+Vo 6SlxAE1Eh1r7QzMpTBtRu0dmy+n3JkE= X-Google-Smtp-Source: ABdhPJxNa20GUlpj7nOq5z0bUgbfoyQR1jPE+jhdbMxWhsoQcvIUYdz3R15S0N02Q9UdZPCv02R6Fw== X-Received: by 2002:a17:907:1c0c:: with SMTP id nc12mr45193874ejc.548.1634738569901; Wed, 20 Oct 2021 07:02:49 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id a4sm1287095edk.71.2021.10.20.07.02.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Oct 2021 07:02:48 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH v2 0/3] multiboot: Use DMA instead port-based transfer Date: Wed, 20 Oct 2021 16:02:41 +0200 Message-Id: <20211020140244.485249-1-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::529; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x529.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: adam@l4re.org, marcus.haehnel@kernkonzept.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" An updated version of the patch at https://patchew.org/QEMU/YWM6jboU9fUib6Iy@os.inf.tu-dresden.de/, which includes the necessary glue for compatibility with older machine types. When fw_cfg DMA is disabled, the existing ROM is used instead. Marcus Hähnel (1): optionrom: add a DMA-enabled multiboot ROM Paolo Bonzini (2): target/i386: move linuxboot_dma_enabled to X86MachineState target/i386: use DMA-enabled multiboot ROM for new-enough QEMU machine types hw/i386/microvm.c | 5 ++- hw/i386/multiboot.c | 10 ++++- hw/i386/multiboot.h | 4 +- hw/i386/pc.c | 8 ++-- hw/i386/pc_piix.c | 3 +- hw/i386/pc_q35.c | 3 +- hw/i386/x86.c | 7 ++-- include/hw/i386/pc.h | 3 -- include/hw/i386/x86.h | 5 ++- pc-bios/meson.build | 1 + pc-bios/multiboot_dma.bin | Bin 0 -> 1024 bytes pc-bios/optionrom/Makefile | 4 +- pc-bios/optionrom/multiboot.S | 4 +- pc-bios/optionrom/multiboot_dma.S | 2 + pc-bios/optionrom/optionrom.h | 66 ++++++++++++++++++++++++++++++ 15 files changed, 102 insertions(+), 23 deletions(-) create mode 100644 pc-bios/multiboot_dma.bin create mode 100644 pc-bios/optionrom/multiboot_dma.S -- 2.31.1