From nobody Sun Feb 8 22:21:41 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1648716193212440.6813999373418; Thu, 31 Mar 2022 01:43:13 -0700 (PDT) Received: from localhost ([::1]:37040 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZqOe-000543-94 for importer@patchew.org; Thu, 31 Mar 2022 04:43:12 -0400 Received: from eggs.gnu.org ([209.51.188.92]:60450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZqHh-0002WE-AC for qemu-devel@nongnu.org; Thu, 31 Mar 2022 04:36:01 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:53117) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZqHc-000647-Fu for qemu-devel@nongnu.org; Thu, 31 Mar 2022 04:35:59 -0400 Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-251-Wv379xTwOIiXe7kRvL5khg-1; Thu, 31 Mar 2022 04:35:51 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 17078185A7A4; Thu, 31 Mar 2022 08:35:51 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.194.10]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C9ECA400E10D; Thu, 31 Mar 2022 08:35:50 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 705A618003A2; Thu, 31 Mar 2022 10:35:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1648715754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=v5XU1TdhLsuE2Iim5zn1CVweGJVqLkJPf0Y7Ihl/6iw=; b=dbZsYuyUrBDTq7/52Y/IGCJ5GYNaVaCp5kdGmpm8nOIx5K6V4KRNrgdJbBbVMw656+a1YU VG4QkGaZzwoKUYLoTf+/2MFELy3dejHhaUY8F7UgTQZJCKuzXdlvJfWcQsbz1SF52PnWUe +1tyhD3v49ad5elGd11PCo4g21rHDj0= X-MC-Unique: Wv379xTwOIiXe7kRvL5khg-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH 1/3] i386: move bios load error message Date: Thu, 31 Mar 2022 10:35:47 +0200 Message-Id: <20220331083549.749566-2-kraxel@redhat.com> In-Reply-To: <20220331083549.749566-1-kraxel@redhat.com> References: <20220331083549.749566-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Xiaoyao Li , Richard Henderson , Gerd Hoffmann , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1648716194075100001 Content-Type: text/plain; charset="utf-8"; x-default="true" Switch to usual goto-end-of-function error handling style. No functional change. Signed-off-by: Gerd Hoffmann Tested-by: Xiaoyao Li Acked-by: Michael S. Tsirkin Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/i386/x86.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/hw/i386/x86.c b/hw/i386/x86.c index 4cf107baea34..b2e801a8720e 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -1121,9 +1121,7 @@ void x86_bios_rom_init(MachineState *ms, const char *= default_firmware, } ret =3D rom_add_file_fixed(bios_name, (uint32_t)(-bios_size), -1); if (ret !=3D 0) { - bios_error: - fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name); - exit(1); + goto bios_error; } g_free(filename); =20 @@ -1144,6 +1142,11 @@ void x86_bios_rom_init(MachineState *ms, const char = *default_firmware, memory_region_add_subregion(rom_memory, (uint32_t)(-bios_size), bios); + return; + +bios_error: + fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name); + exit(1); } =20 bool x86_machine_is_smm_enabled(const X86MachineState *x86ms) --=20 2.35.1 From nobody Sun Feb 8 22:21:41 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1648715913423486.46105179470226; Thu, 31 Mar 2022 01:38:33 -0700 (PDT) Received: from localhost ([::1]:53934 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZqK8-0005a4-Av for importer@patchew.org; Thu, 31 Mar 2022 04:38:32 -0400 Received: from eggs.gnu.org ([209.51.188.92]:60532) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZqI8-0003B4-OP for qemu-devel@nongnu.org; Thu, 31 Mar 2022 04:36:29 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:22418) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZqI7-00067r-7k for qemu-devel@nongnu.org; Thu, 31 Mar 2022 04:36:28 -0400 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-401-O0MtPEI1Po-u8aCJ_qpaeA-1; Thu, 31 Mar 2022 04:36:25 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6FBC8299E776; Thu, 31 Mar 2022 08:36:24 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.194.10]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8D7BB112131E; Thu, 31 Mar 2022 08:35:52 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 7FCBF18003AA; Thu, 31 Mar 2022 10:35:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1648715786; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iGBotSzTitf7mNiiMR4fxuWNYFf65UbjechOAyNR/hM=; b=JZ1ZPD3Xj7Yh//D5aFOk8sQrzHS+0k7Tm9AoVcAYjJ/HdzH//EEmLs9p4nYwlVYv+OaKII ZYl1UPe25IN8tlAVsIsdVjqAbYUVOCQo3CfyXk2iFPuk9Am6ma1gI66dkZUMabtnWHaPZ0 fA8pwyZ5TPOHz65BxObaZXt9oyE5alM= X-MC-Unique: O0MtPEI1Po-u8aCJ_qpaeA-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH 2/3] i386: factor out x86_firmware_configure() Date: Thu, 31 Mar 2022 10:35:48 +0200 Message-Id: <20220331083549.749566-3-kraxel@redhat.com> In-Reply-To: <20220331083549.749566-1-kraxel@redhat.com> References: <20220331083549.749566-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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=170.10.129.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Xiaoyao Li , Richard Henderson , Gerd Hoffmann , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1648715914276100003 Content-Type: text/plain; charset="utf-8"; x-default="true" move sev firmware setup to separate function so it can be used from other code paths. No functional change. Signed-off-by: Gerd Hoffmann Tested-by: Xiaoyao Li Acked-by: Michael S. Tsirkin Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/i386/x86.h | 3 +++ hw/i386/pc_sysfw.c | 36 ++++++++++++++++++++++-------------- 2 files changed, 25 insertions(+), 14 deletions(-) diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index 916cc325eeb1..4841a49f86c0 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -140,4 +140,7 @@ void gsi_handler(void *opaque, int n, int level); void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); DeviceState *ioapic_init_secondary(GSIState *gsi_state); =20 +/* pc_sysfw.c */ +void x86_firmware_configure(void *ptr, int size); + #endif diff --git a/hw/i386/pc_sysfw.c b/hw/i386/pc_sysfw.c index c8b17af95353..36b6121b77b9 100644 --- a/hw/i386/pc_sysfw.c +++ b/hw/i386/pc_sysfw.c @@ -148,7 +148,6 @@ static void pc_system_flash_map(PCMachineState *pcms, MemoryRegion *flash_mem; void *flash_ptr; int flash_size; - int ret; =20 assert(PC_MACHINE_GET_CLASS(pcms)->pci_enabled); =20 @@ -196,19 +195,7 @@ static void pc_system_flash_map(PCMachineState *pcms, if (sev_enabled()) { flash_ptr =3D memory_region_get_ram_ptr(flash_mem); flash_size =3D memory_region_size(flash_mem); - /* - * OVMF places a GUIDed structures in the flash, so - * search for them - */ - pc_system_parse_ovmf_flash(flash_ptr, flash_size); - - ret =3D sev_es_save_reset_vector(flash_ptr, flash_size); - if (ret) { - error_report("failed to locate and/or save reset vecto= r"); - exit(1); - } - - sev_encrypt_flash(flash_ptr, flash_size, &error_fatal); + x86_firmware_configure(flash_ptr, flash_size); } } } @@ -260,3 +247,24 @@ void pc_system_firmware_init(PCMachineState *pcms, =20 pc_system_flash_cleanup_unused(pcms); } + +void x86_firmware_configure(void *ptr, int size) +{ + int ret; + + /* + * OVMF places a GUIDed structures in the flash, so + * search for them + */ + pc_system_parse_ovmf_flash(ptr, size); + + if (sev_enabled()) { + ret =3D sev_es_save_reset_vector(ptr, size); + if (ret) { + error_report("failed to locate and/or save reset vector"); + exit(1); + } + + sev_encrypt_flash(ptr, size, &error_fatal); + } +} --=20 2.35.1 From nobody Sun Feb 8 22:21:41 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1648716165688104.03484266483451; Thu, 31 Mar 2022 01:42:45 -0700 (PDT) Received: from localhost ([::1]:34994 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nZqOC-0003eg-GR for importer@patchew.org; Thu, 31 Mar 2022 04:42:44 -0400 Received: from eggs.gnu.org ([209.51.188.92]:60448) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZqHh-0002WD-Nh for qemu-devel@nongnu.org; Thu, 31 Mar 2022 04:36:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:21545) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nZqHc-000643-G9 for qemu-devel@nongnu.org; Thu, 31 Mar 2022 04:35:59 -0400 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-18-t5k9vRUyPDa2UqjfogZ3JA-1; Thu, 31 Mar 2022 04:35:53 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C7DB428078E4; Thu, 31 Mar 2022 08:35:52 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.194.10]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 90D4DC08096; Thu, 31 Mar 2022 08:35:52 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 93E421800986; Thu, 31 Mar 2022 10:35:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1648715754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Vkpdbqs6f16fFn0iGKwRJVu8TfVNEVzHRiUkgeFkEnU=; b=JoHhW7XeOz+XKpCtxOEV+tFi70orhYBckG89XV2VxYx9OF2xHVL0LY4rSVYlyfnrFfCMkZ qkIZ/PXbhb/xY4CV3GKjXzrMTdJZZb5Jo3VmIWF4P24PcOJFE8tKHn9qkVLbCflgwYMKEi vv6LelgDZGrqwU1m3Ldc592icFOPiCQ= X-MC-Unique: t5k9vRUyPDa2UqjfogZ3JA-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH 3/3] i386: firmware parsing and sev setup for -bios loaded firmware Date: Thu, 31 Mar 2022 10:35:49 +0200 Message-Id: <20220331083549.749566-4-kraxel@redhat.com> In-Reply-To: <20220331083549.749566-1-kraxel@redhat.com> References: <20220331083549.749566-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , Xiaoyao Li , Richard Henderson , Gerd Hoffmann , Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1648716166004100001 Content-Type: text/plain; charset="utf-8"; x-default="true" Don't register firmware as rom, not needed (see comment). Add x86_firmware_configure() call for proper sev initialization. Signed-off-by: Gerd Hoffmann Tested-by: Xiaoyao Li Acked-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/i386/x86.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/hw/i386/x86.c b/hw/i386/x86.c index b2e801a8720e..f98483c7fe83 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -1116,12 +1116,25 @@ void x86_bios_rom_init(MachineState *ms, const char= *default_firmware, } bios =3D g_malloc(sizeof(*bios)); memory_region_init_ram(bios, NULL, "pc.bios", bios_size, &error_fatal); - if (!isapc_ram_fw) { - memory_region_set_readonly(bios, true); - } - ret =3D rom_add_file_fixed(bios_name, (uint32_t)(-bios_size), -1); - if (ret !=3D 0) { - goto bios_error; + if (sev_enabled()) { + /* + * The concept of a "reset" simply doesn't exist for + * confidential computing guests, we have to destroy and + * re-launch them instead. So there is no need to register + * the firmware as rom to properly re-initialize on reset. + * Just go for a straight file load instead. + */ + void *ptr =3D memory_region_get_ram_ptr(bios); + load_image_size(filename, ptr, bios_size); + x86_firmware_configure(ptr, bios_size); + } else { + if (!isapc_ram_fw) { + memory_region_set_readonly(bios, true); + } + ret =3D rom_add_file_fixed(bios_name, (uint32_t)(-bios_size), -1); + if (ret !=3D 0) { + goto bios_error; + } } g_free(filename); =20 --=20 2.35.1