X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Tue, 19 Feb 2008 21:45:52 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Cc: Andrew Dyer Subject: Looking for ioperm maintainer (was Re: ioperm() with ports above 0x3ff) Message-ID: <20080219204552.GI30886@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com, Andrew Dyer References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.16 (2007-06-09) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On Feb 18 21:15, Andrew Dyer wrote: > I am having problems using ioperm() to try and access a parallel printer port on > a PCI card in my system running WinXP. The port is mapped to I/O port address > 0xDCD8. I cannot access the port because the ioperm() driver has a check to > limit I/O port accesses to < 0x400. > > from /usr/src/ioperm-0.4/driver/ioperm.c, lines 95-100 > > /* test input buffer size and parameters */ > if ((io_stack->Parameters.DeviceIoControl.InputBufferLength < sizeof (struct > ioperm_data)) > || (!ioperm_data) || (ioperm_data->from + ioperm_data->num > 0x400)) > { > Irp->IoStatus.Status = STATUS_INVALID_PARAMETER; > } else { > [...] > I can't rebuild the driver as I don't have access to the DDK. Can someone The necessary ddk files are part of the w32api package in the Cygwin distro. You don't have to install the Microsoft DDK package. > rebuild it with the check modified so I could test it? The ioperm package has no maintainer anymore since 2006. If anybody feels that maintaining ioperm would be something they could consider as a fun side job, just read http://cygwin.com/setup.html and follow the instructions. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/