From nobody Tue Feb 10 22:08:54 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1634160259486554.9038494534497; Wed, 13 Oct 2021 14:24:19 -0700 (PDT) Received: from localhost ([::1]:43036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1maljW-00070I-GX for importer@patchew.org; Wed, 13 Oct 2021 17:24:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42562) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1malh9-0002qg-Nb for qemu-devel@nongnu.org; Wed, 13 Oct 2021 17:21:51 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:48408 helo=mail.default.ilande.bv.iomart.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1malh8-0006oi-61 for qemu-devel@nongnu.org; Wed, 13 Oct 2021 17:21:51 -0400 Received: from [2a00:23c4:8b9d:d300:c17b:cf83:be43:9708] (helo=kentang.home) by mail.default.ilande.bv.iomart.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1malgq-0000Dh-Nj; Wed, 13 Oct 2021 22:21:36 +0100 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, laurent@vivier.eu Date: Wed, 13 Oct 2021 22:21:26 +0100 Message-Id: <20211013212132.31519-3-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20211013212132.31519-1-mark.cave-ayland@ilande.co.uk> References: <20211013212132.31519-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a00:23c4:8b9d:d300:c17b:cf83:be43:9708 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH 2/8] q800: move VIA1 IRQ from level 1 to level 6 X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.bv.iomart.io) 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=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.bv.iomart.io X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1634160259934100001 Content-Type: text/plain; charset="utf-8" On a Quadra 800 machine Linux sets via_alt_mapping to 1 and clears port B b= it 6 to ensure that the VIA1 IRQ is delivered at level 6 rather than level 1. Even = though QEMU doesn't yet emulate this behaviour, Linux still installs the VIA1 leve= l 1 IRQ handler regardless of the value of via_alt_mapping which is why the kernel = has been able to boot until now. Signed-off-by: Mark Cave-Ayland Reviewed-by: Laurent Vivier --- hw/m68k/q800.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index fd4855047e..15f3067811 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -284,7 +284,7 @@ static void q800_init(MachineState *machine) sysbus =3D SYS_BUS_DEVICE(via1_dev); sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 1, VIA_BASE); - sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 0)); + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 5)); =20 adb_bus =3D qdev_get_child_bus(via1_dev, "adb.0"); dev =3D qdev_new(TYPE_ADB_KEYBOARD); --=20 2.20.1