From patchwork Tue Jan 26 13:50:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 8123281 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1D371BEEE5 for ; Tue, 26 Jan 2016 14:16:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6D8AC20259 for ; Tue, 26 Jan 2016 14:16:01 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A454C20256 for ; Tue, 26 Jan 2016 14:16:00 +0000 (UTC) Received: from localhost ([::1]:44207 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO4PX-0004PO-VF for patchwork-qemu-devel@patchwork.kernel.org; Tue, 26 Jan 2016 09:15:59 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36015) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO40w-0005Y4-OE for qemu-devel@nongnu.org; Tue, 26 Jan 2016 08:50:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aO40v-0004qE-KP for qemu-devel@nongnu.org; Tue, 26 Jan 2016 08:50:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41299) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO40v-0004pu-D4 for qemu-devel@nongnu.org; Tue, 26 Jan 2016 08:50:33 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 044E2C0ED3FE; Tue, 26 Jan 2016 13:50:33 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.34.112.60]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0QDoUPc030289; Tue, 26 Jan 2016 08:50:31 -0500 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Tue, 26 Jan 2016 14:50:23 +0100 Message-Id: <1453816225-139685-2-git-send-email-imammedo@redhat.com> In-Reply-To: <1453816225-139685-1-git-send-email-imammedo@redhat.com> References: <1453816225-139685-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: jsnow@redhat.com, rkagan@virtuozzo.com, mst@redhat.com Subject: [Qemu-devel] [PATCH v7 1/3] i386/acpi: make floppy controller object dynamic X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Roman Kagan Instead of statically declaring the floppy controller in DSDT, with its _STA method depending on some obscure bit in the parent ISA bridge, add the object dynamically to DSDT via AML API only when the controller is present. The _STA method is no longer necessary and is therefore dropped. So are the declarations of the fields indicating whether the contoller is enabled. Signed-off-by: Roman Kagan Signed-off-by: Igor Mammedov Reviewed-by: Marcel Apfelbaum --- hw/i386/acpi-build.c | 27 +++------------------------ 1 file changed, 3 insertions(+), 24 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 78758e2..2f685fb 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1231,29 +1231,10 @@ static Aml *build_fdc_device_aml(void) { Aml *dev; Aml *crs; - Aml *method; - Aml *if_ctx; - Aml *else_ctx; - Aml *zero = aml_int(0); - Aml *is_present = aml_local(0); dev = aml_device("FDC0"); aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0700"))); - method = aml_method("_STA", 0, AML_NOTSERIALIZED); - aml_append(method, aml_store(aml_name("FDEN"), is_present)); - if_ctx = aml_if(aml_equal(is_present, zero)); - { - aml_append(if_ctx, aml_return(aml_int(0x00))); - } - aml_append(method, if_ctx); - else_ctx = aml_else(); - { - aml_append(else_ctx, aml_return(aml_int(0x0f))); - } - aml_append(method, else_ctx); - aml_append(dev, method); - crs = aml_resource_template(); aml_append(crs, aml_io(AML_DECODE16, 0x03F2, 0x03F2, 0x00, 0x04)); aml_append(crs, aml_io(AML_DECODE16, 0x03F7, 0x03F7, 0x00, 0x01)); @@ -1411,7 +1392,9 @@ static void build_isa_devices_aml(Aml *table) aml_append(scope, build_rtc_device_aml()); aml_append(scope, build_kbd_device_aml()); aml_append(scope, build_mouse_device_aml()); - aml_append(scope, build_fdc_device_aml()); + if (!!pc_find_fdc0()) { + aml_append(scope, build_fdc_device_aml()); + } aml_append(scope, build_lpt_device_aml()); aml_append(scope, build_com_device_aml(1)); aml_append(scope, build_com_device_aml(2)); @@ -1780,8 +1763,6 @@ static void build_q35_isa_bridge(Aml *table) aml_append(field, aml_named_field("COMB", 3)); aml_append(field, aml_reserved_field(1)); aml_append(field, aml_named_field("LPTD", 2)); - aml_append(field, aml_reserved_field(2)); - aml_append(field, aml_named_field("FDCD", 2)); aml_append(dev, field); aml_append(dev, aml_operation_region("LPCE", AML_PCI_CONFIG, @@ -1791,7 +1772,6 @@ static void build_q35_isa_bridge(Aml *table) aml_append(field, aml_named_field("CAEN", 1)); aml_append(field, aml_named_field("CBEN", 1)); aml_append(field, aml_named_field("LPEN", 1)); - aml_append(field, aml_named_field("FDEN", 1)); aml_append(dev, field); aml_append(scope, dev); @@ -1839,7 +1819,6 @@ static void build_piix4_isa_bridge(Aml *table) aml_append(field, aml_reserved_field(3)); aml_append(field, aml_named_field("CBEN", 1)); aml_append(dev, field); - aml_append(dev, aml_name_decl("FDEN", aml_int(1))); aml_append(scope, dev); aml_append(table, scope);