From nobody Mon Nov 25 05:00:06 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1718958336; cv=none; d=zohomail.com; s=zohoarc; b=evHZI8ptJogwYU1YExSIgtkPHU94rsrT43aNW9Q5Mq2pz1fRwglldEcVmt625TcIXUbXIqmpkpSoDbtlMO0+un+yA8QHSq/mJmna+WDaQ6KZHn+QEMxY77sxsRfnQD+iGom2eQIHjeSnmAdm+ziqQ0sChryuhlNjIJKe2DDbmEs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1718958336; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=gJAuN/MJIKkZkJLsxF/L2OIAthjDl8A7pQXerPTdKjA=; b=apnGMWXBHDHszTZB/1YD46FqpeXvejJ7Do8YXyBT+2uDF+ZHoZatehZTfzpiTwplPQfxD2wDdIS5yrvrM1bmNV/pvP/F4ZYWjhqGkiwaZgx2tt+Ia2vf2KcX3ocfl4DiB5Bt5gZTM5H+eBrXSjNGdSeFrwDJzx6fqeTXXCzHd/E= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1718958336798582.5572536815191; Fri, 21 Jun 2024 01:25:36 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sKZZj-0008PS-B2; Fri, 21 Jun 2024 04:24:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sKZZg-0008Ox-LM for qemu-devel@nongnu.org; Fri, 21 Jun 2024 04:24:48 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sKZZf-0003Ix-BH for qemu-devel@nongnu.org; Fri, 21 Jun 2024 04:24:48 -0400 Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-468-cx6WTd_VPQmMKdokVqEBSQ-1; Fri, 21 Jun 2024 04:24:41 -0400 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 086E61955E87; Fri, 21 Jun 2024 08:24:40 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.192.213]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 8CF911956087; Fri, 21 Jun 2024 08:24:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718958286; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gJAuN/MJIKkZkJLsxF/L2OIAthjDl8A7pQXerPTdKjA=; b=atlNEupbgrRK1JVC85Y16H2rySjS6Mj8NFbUuBMi0l10O4vfBhOtyljlfHwSFWBQgi6rAa wurTj0IdbXKcl0PVrJYsxZlTnosW37GPlB5w6Bc0wo9CY24XAF3YH1BcTH0UVJt0VHjK88 JH1Vf/bG5a/XvOCtsjiky3vHBZ8rjqA= X-MC-Unique: cx6WTd_VPQmMKdokVqEBSQ-1 From: Thomas Huth To: qemu-s390x@nongnu.org, Christian Borntraeger , Jared Rossi Cc: qemu-devel@nongnu.org, Eric Farman , Claudio Imbrenda , "Collin L . Walling" , Janosch Frank , "Jason J . Herne" , Marc Hartmayer Subject: [PATCH 2/7] hw/s390x/ipl: Provide more memory to the s390-ccw.img firmware Date: Fri, 21 Jun 2024 10:24:17 +0200 Message-ID: <20240621082422.136217-3-thuth@redhat.com> In-Reply-To: <20240621082422.136217-1-thuth@redhat.com> References: <20240621082422.136217-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.152, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1718958337293100001 Content-Type: text/plain; charset="utf-8" We are going to link the SLOF libc into the s390-ccw.img, and this libc needs more memory for providing space for malloc() and friends. Thus bump the memory size that we reserve for the bios to 3 MiB instead of only 2 MiB. While we're at it, add a proper check that there is really enough memory assigned to the machine before blindly using it. Signed-off-by: Thomas Huth --- hw/s390x/ipl.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index e934bf89d1..9362de0b6f 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -45,6 +45,7 @@ #define INITRD_PARM_START 0x010408UL #define PARMFILE_START 0x001000UL #define ZIPL_IMAGE_START 0x009000UL +#define BIOS_MAX_SIZE 0x300000UL #define IPL_PSW_MASK (PSW_MASK_32 | PSW_MASK_64) =20 static bool iplb_extended_needed(void *opaque) @@ -144,7 +145,14 @@ static void s390_ipl_realize(DeviceState *dev, Error *= *errp) * even if an external kernel has been defined. */ if (!ipl->kernel || ipl->enforce_bios) { - uint64_t fwbase =3D (MIN(ms->ram_size, 0x80000000U) - 0x200000) & = ~0xffffUL; + uint64_t fwbase; + + if (ms->ram_size < BIOS_MAX_SIZE) { + error_setg(errp, "not enough RAM to load the BIOS file"); + return; + } + + fwbase =3D (MIN(ms->ram_size, 0x80000000U) - BIOS_MAX_SIZE) & ~0xf= fffUL; =20 bios_filename =3D qemu_find_file(QEMU_FILE_TYPE_BIOS, ipl->firmwar= e); if (bios_filename =3D=3D NULL) { --=20 2.45.2