On Sat, Dec 15, 2012 at 01:45:38PM +0000, Julien Grall wrote: > On Fri, Dec 14, 2012 at 11:39 PM, Marcelo Tosatti <mtosa...@redhat.com> wrote: > > > > > > The high byte of the ioport address is necessary to compute > > the register address, see "82371AB PCI ISA IDE Xcelerator (PIIX4)" > > document, eg: > > > > 4.2.1.1. DCOM—DMA Command Register (IO) > > I/O Address: Channels 0–3—08h; Channels 4–7—0D0h > > > > I sent a patch on the mailing to resolve the problem yesterday > (http://www.mail-archive.com/qemu-devel@nongnu.org/msg145242.html). > Did it resolve your WinXp-32 installation? I just need to rework the comment.
Yes it does. > > > > Also the size of the region is wrong. > > I don't think the size of the region is wrong. For the second DMA > controller, the ioports are 0xD0 - 0xDE for the control registers. > So the size is 16 not 8. It's the same for the channel registers. > > Thanks, Correct, my patch is broken. Thanks
