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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 DA2CDC433B4 for ; Mon, 10 May 2021 13:35:00 +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 68347613E1 for ; Mon, 10 May 2021 13:35:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68347613E1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lg63n-0001t3-AC for qemu-devel@archiver.kernel.org; Mon, 10 May 2021 09:34:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50446) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lg5sH-0006kx-Hh for qemu-devel@nongnu.org; Mon, 10 May 2021 09:23:05 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:33691) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lg5sF-0003VY-RP for qemu-devel@nongnu.org; Mon, 10 May 2021 09:23:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620652983; 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=MTLAzDXu+Z7uVkge683MtXOOEQFJZJxUd3kvLcjVku8=; b=aao7ed86/WNgMxmAJ2dT+KGclCa3uqO704uiXgZi8FxXIccMtF8WlZTVlMGOQanKwdpcMS X9g3EBHOqpq0e0ERq64X/ONp59FJxzkGHQ/HCl0LIpEWW6uvq2c+byVRCkFMTrLsv+Q/l0 ANY3W0jEbvPuT0p0X6+x84yZ6XkHUJY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-601-bgyafF6xP_q8VXAKnuy5Fw-1; Mon, 10 May 2021 09:22:59 -0400 X-MC-Unique: bgyafF6xP_q8VXAKnuy5Fw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0BD26107ACF4 for ; Mon, 10 May 2021 13:22:59 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-11.ams2.redhat.com [10.36.112.11]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DD83CE157; Mon, 10 May 2021 13:22:51 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 6BE211800903; Mon, 10 May 2021 15:20:52 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 24/25] modules: add have_vga Date: Mon, 10 May 2021 15:20:50 +0200 Message-Id: <20210510132051.2208563-25-kraxel@redhat.com> In-Reply-To: <20210510132051.2208563-1-kraxel@redhat.com> References: <20210510132051.2208563-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 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: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.698, 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 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: Paolo Bonzini , Gerd Hoffmann , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Introduce a symbol which can be used to prevent display modules which need vga support being loaded into system emulators with CONFIG_VGA=n. Signed-off-by: Gerd Hoffmann Message-id: 20210430113547.1816178-1-kraxel@redhat.com Message-Id: <20210430113547.1816178-16-kraxel@redhat.com> --- include/hw/display/vga.h | 6 ++++++ hw/display/vga.c | 2 ++ 2 files changed, 8 insertions(+) diff --git a/include/hw/display/vga.h b/include/hw/display/vga.h index ca0003dbfd92..5f7825e0e368 100644 --- a/include/hw/display/vga.h +++ b/include/hw/display/vga.h @@ -11,6 +11,12 @@ #include "exec/hwaddr.h" +/* + * modules can reference this symbol to avoid being loaded + * into system emulators without vga support + */ +extern bool have_vga; + enum vga_retrace_method { VGA_RETRACE_DUMB, VGA_RETRACE_PRECISE diff --git a/hw/display/vga.c b/hw/display/vga.c index 836ad50c7b6d..28a90e30d0cf 100644 --- a/hw/display/vga.c +++ b/hw/display/vga.c @@ -39,6 +39,8 @@ //#define DEBUG_VGA_MEM //#define DEBUG_VGA_REG +bool have_vga = true; + /* 16 state changes per vertical frame @60 Hz */ #define VGA_TEXT_CURSOR_PERIOD_MS (1000 * 2 * 16 / 60) -- 2.31.1