From patchwork Mon Sep 12 10:50:56 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 114309 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 99592B70DC for ; Mon, 12 Sep 2011 20:51:44 +1000 (EST) Received: from localhost ([::1]:33072 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R3472-0001yh-0E for incoming@patchwork.ozlabs.org; Mon, 12 Sep 2011 06:51:40 -0400 Received: from eggs.gnu.org ([140.186.70.92]:53630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R346e-0001YE-Kz for qemu-devel@nongnu.org; Mon, 12 Sep 2011 06:51:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1R346c-0006nc-0t for qemu-devel@nongnu.org; Mon, 12 Sep 2011 06:51:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16614) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R346b-0006mM-NP for qemu-devel@nongnu.org; Mon, 12 Sep 2011 06:51:13 -0400 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 (8.14.4/8.14.4) with ESMTP id p8CApCLN014575 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 12 Sep 2011 06:51:13 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p8CApCYk015415 for ; Mon, 12 Sep 2011 06:51:12 -0400 Received: from s01.tlv.redhat.com (s01.tlv.redhat.com [10.35.255.8]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id C496E250B6B; Mon, 12 Sep 2011 13:51:08 +0300 (IDT) From: Avi Kivity To: qemu-devel@nongnu.org Date: Mon, 12 Sep 2011 13:50:56 +0300 Message-Id: <1315824666-4214-19-git-send-email-avi@redhat.com> In-Reply-To: <1315824666-4214-1-git-send-email-avi@redhat.com> References: <1315824666-4214-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: Error: [-] ERROR: /var/run/p0f.sock: Connection refused X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 18/28] fdc: Convert isabus_fdc_init1 to MemoryRegion 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 This requires some amount of hoop-jumping, so that we don't inadvertently claim port 0x3f6, which is used by ISA IDE. The sysbus initialization path is as yet unconverted. Signed-off-by: Richard Henderson Signed-off-by: Avi Kivity --- hw/fdc.c | 53 +++++++++++++++++++++++++++++++++-------------------- 1 files changed, 33 insertions(+), 20 deletions(-) diff --git a/hw/fdc.c b/hw/fdc.c index 1d44bbd..405d63d 100644 --- a/hw/fdc.c +++ b/hw/fdc.c @@ -425,6 +425,7 @@ struct FDCtrl { typedef struct FDCtrlISABus { ISADevice busdev; + MemoryRegion io_0, io_7; struct FDCtrl state; int32_t bootindexA; int32_t bootindexB; @@ -490,16 +491,6 @@ static void fdctrl_write (void *opaque, uint32_t reg, uint32_t value) } } -static uint32_t fdctrl_read_port (void *opaque, uint32_t reg) -{ - return fdctrl_read(opaque, reg & 7); -} - -static void fdctrl_write_port (void *opaque, uint32_t reg, uint32_t value) -{ - fdctrl_write(opaque, reg & 7, value); -} - static uint32_t fdctrl_read_mem (void *opaque, target_phys_addr_t reg) { return fdctrl_read(opaque, (uint32_t)reg); @@ -1891,6 +1882,34 @@ static int fdctrl_init_common(FDCtrl *fdctrl) return fdctrl_connect_drives(fdctrl); } +static uint32_t fdctrl_read_port_7(void *opaque, uint32_t reg) +{ + return fdctrl_read(opaque, reg + 7); +} + +static void fdctrl_write_port_7(void *opaque, uint32_t reg, uint32_t value) +{ + fdctrl_write(opaque, reg + 7, value); +} + +static const MemoryRegionPortio fdc_portio_0[] = { + { 1, 5, 1, .read = fdctrl_read, .write = fdctrl_write }, + PORTIO_END_OF_LIST() +}; + +static const MemoryRegionPortio fdc_portio_7[] = { + { 0, 1, 1, .read = fdctrl_read_port_7, .write = fdctrl_write_port_7 }, + PORTIO_END_OF_LIST() +}; + +static const MemoryRegionOps fdc_ioport_0_ops = { + .old_portio = fdc_portio_0 +}; + +static const MemoryRegionOps fdc_ioport_7_ops = { + .old_portio = fdc_portio_7 +}; + static int isabus_fdc_init1(ISADevice *dev) { FDCtrlISABus *isa = DO_UPCAST(FDCtrlISABus, busdev, dev); @@ -1900,16 +1919,10 @@ static int isabus_fdc_init1(ISADevice *dev) int dma_chann = 2; int ret; - register_ioport_read(iobase + 0x01, 5, 1, - &fdctrl_read_port, fdctrl); - register_ioport_read(iobase + 0x07, 1, 1, - &fdctrl_read_port, fdctrl); - register_ioport_write(iobase + 0x01, 5, 1, - &fdctrl_write_port, fdctrl); - register_ioport_write(iobase + 0x07, 1, 1, - &fdctrl_write_port, fdctrl); - isa_init_ioport_range(dev, iobase, 6); - isa_init_ioport(dev, iobase + 7); + memory_region_init_io(&isa->io_0, &fdc_ioport_0_ops, fdctrl, "fdc", 6); + memory_region_init_io(&isa->io_7, &fdc_ioport_7_ops, fdctrl, "fdc", 1); + isa_register_ioport(dev, &isa->io_0, iobase); + isa_register_ioport(dev, &isa->io_7, iobase + 7); isa_init_irq(&isa->busdev, &fdctrl->irq, isairq); fdctrl->dma_chann = dma_chann;