From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:42033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QUNue-0006Mg-0n for qemu-devel@nongnu.org; Wed, 08 Jun 2011 14:55:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QUNuY-00068c-J9 for qemu-devel@nongnu.org; Wed, 08 Jun 2011 14:55:31 -0400 Received: from fmmailgate03.web.de ([217.72.192.234]:36073) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QUNuX-00067j-5D for qemu-devel@nongnu.org; Wed, 08 Jun 2011 14:55:25 -0400 From: =?UTF-8?q?Andreas=20F=C3=A4rber?= Date: Wed, 8 Jun 2011 20:55:11 +0200 Message-Id: <1307559319-16183-5-git-send-email-andreas.faerber@web.de> In-Reply-To: <1307559319-16183-4-git-send-email-andreas.faerber@web.de> References: <4DEF2F25.5070104@redhat.com> <1307559319-16183-1-git-send-email-andreas.faerber@web.de> <1307559319-16183-2-git-send-email-andreas.faerber@web.de> <1307559319-16183-3-git-send-email-andreas.faerber@web.de> <1307559319-16183-4-git-send-email-andreas.faerber@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: andreas.faerber@web.de Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [RFC v4 04/12] isa: Allow to un-assign I/O ports List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Andreas=20F=C3=A4rber?= , hpoussin@reactos.org, kraxel@redhat.com Signed-off-by: Andreas F=C3=A4rber --- hw/isa-bus.c | 14 ++++++++++++++ hw/isa.h | 1 + 2 files changed, 15 insertions(+), 0 deletions(-) diff --git a/hw/isa-bus.c b/hw/isa-bus.c index d258932..1f64673 100644 --- a/hw/isa-bus.c +++ b/hw/isa-bus.c @@ -105,6 +105,20 @@ void isa_init_ioport(ISADevice *dev, uint16_t ioport= ) isa_init_ioport_range(dev, ioport, 1); } =20 +void isa_discard_ioport_range(ISADevice *dev, uint16_t start, uint16_t l= ength) +{ + int i, j; + for (i =3D 0; i < dev->nioports; i++) { + if (dev->ioports[i] =3D=3D start) { + for (j =3D 0; j < dev->nioports - i; j++) { + dev->ioports[i + j] =3D dev->ioports[i + length + j]; + } + dev->nioports -=3D length; + break; + } + } +} + static int isa_qdev_init(DeviceState *qdev, DeviceInfo *base) { ISADevice *dev =3D DO_UPCAST(ISADevice, qdev, qdev); diff --git a/hw/isa.h b/hw/isa.h index 5d460ab..ba7a696 100644 --- a/hw/isa.h +++ b/hw/isa.h @@ -33,6 +33,7 @@ qemu_irq isa_get_irq(int isairq); void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq); void isa_init_ioport(ISADevice *dev, uint16_t ioport); void isa_init_ioport_range(ISADevice *dev, uint16_t start, uint16_t leng= th); +void isa_discard_ioport_range(ISADevice *dev, uint16_t start, uint16_t l= ength); void isa_qdev_register(ISADeviceInfo *info); ISADevice *isa_create(const char *name); ISADevice *isa_try_create(const char *name); --=20 1.7.5.3