From patchwork Sun Sep 25 12:50:39 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 116289 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 583A2B6F72 for ; Sun, 25 Sep 2011 22:51:36 +1000 (EST) Received: from localhost ([::1]:43895 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R7oBA-0001P7-Tu for incoming@patchwork.ozlabs.org; Sun, 25 Sep 2011 08:51:32 -0400 Received: from eggs.gnu.org ([140.186.70.92]:47658) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R7oAs-00017r-8X for qemu-devel@nongnu.org; Sun, 25 Sep 2011 08:51:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1R7oAo-0007EP-Fh for qemu-devel@nongnu.org; Sun, 25 Sep 2011 08:51:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60653) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R7oAo-0007EA-5w for qemu-devel@nongnu.org; Sun, 25 Sep 2011 08:51:10 -0400 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p8PCp86N005567 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 25 Sep 2011 08:51:08 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p8PCp6dt019547; Sun, 25 Sep 2011 08:51:08 -0400 Received: from s01.tlv.redhat.com (s01.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id 23EF0B06B2; Sun, 25 Sep 2011 15:51:00 +0300 (IDT) From: Avi Kivity To: Anthony Liguori , qemu-devel@nongnu.org Date: Sun, 25 Sep 2011 15:50:39 +0300 Message-Id: <1316955049-21516-5-git-send-email-avi@redhat.com> In-Reply-To: <1316955049-21516-1-git-send-email-avi@redhat.com> References: <1316955049-21516-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 04/14] pc: Re-order pc_init1 to initialize the ISA bus before ISA devices 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Richard Henderson In particular, the i8259 was being initialized before the ISA bus, leading to a crash. Signed-off-by: Richard Henderson Signed-off-by: Avi Kivity --- hw/pc_piix.c | 22 ++++++++++++---------- 1 files changed, 12 insertions(+), 10 deletions(-) diff --git a/hw/pc_piix.c b/hw/pc_piix.c index 1056cc7..ce1c87f 100644 --- a/hw/pc_piix.c +++ b/hw/pc_piix.c @@ -130,17 +130,7 @@ static void pc_init1(MemoryRegion *system_memory, pci_enabled ? rom_memory : system_memory, &ram_memory); } - if (!xen_enabled()) { - cpu_irq = pc_allocate_cpu_irq(); - i8259 = i8259_init(cpu_irq[0]); - } else { - i8259 = xen_interrupt_controller_init(); - } isa_irq_state = g_malloc0(sizeof(*isa_irq_state)); - isa_irq_state->i8259 = i8259; - if (pci_enabled) { - ioapic_init(isa_irq_state); - } isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24); if (pci_enabled) { @@ -161,6 +151,18 @@ static void pc_init1(MemoryRegion *system_memory, } isa_bus_irqs(isa_irq); + if (!xen_enabled()) { + cpu_irq = pc_allocate_cpu_irq(); + i8259 = i8259_init(cpu_irq[0]); + } else { + i8259 = xen_interrupt_controller_init(); + } + + isa_irq_state->i8259 = i8259; + if (pci_enabled) { + ioapic_init(isa_irq_state); + } + pc_register_ferr_irq(isa_get_irq(13)); pc_vga_init(pci_enabled? pci_bus: NULL);