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Re: [Qemu-devel] qemu/hw pckbd.c
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] qemu/hw pckbd.c |
Date: |
Wed, 18 Apr 2007 17:08:21 +0100 |
User-agent: |
KMail/1.9.5 |
> > If you're interressed in such a feature, you may take a look of what
> > I've done in hw/ppc405_uc.c. There are some device sharing the same
> > memory page on those microcontrollers so I introduced a fake device
> > called mmio that allow to register multiple devices into a single page
> > in Qemu. I do use the serial_mm_init with the ioregister parameter set
> > to 0 for those designs.
> > This code may not be as generic as it would be if we want to make it a
> > standard Qemu function, but this may give a basis or ideas for it.
>
> On Sparc32 there are several devices that would benefit from sub-page
> granularity, so I vote for making this generic.
While you're fixing this, it would be good to fix overlapping devices as
well ;-) Currently if you (temporarily) have overlapping regions then remove
one of them you end up with unmapped memory. It may also make implementing
flash devices simpler.
Paul
- [Qemu-devel] qemu/hw pckbd.c, Thiemo Seufer, 2007/04/16
- Re: [Qemu-devel] qemu/hw pckbd.c, J. Mayer, 2007/04/18
- Re: [Qemu-devel] qemu/hw pckbd.c, Thiemo Seufer, 2007/04/18
- Re: [Qemu-devel] qemu/hw pckbd.c, Jocelyn Mayer, 2007/04/18
- Re: [Qemu-devel] qemu/hw pckbd.c, Blue Swirl, 2007/04/18
- Re: [Qemu-devel] qemu/hw pckbd.c,
Paul Brook <=
- Re: [Qemu-devel] qemu/hw pckbd.c, J. Mayer, 2007/04/19
- Re: [Qemu-devel] qemu/hw pckbd.c, Paul Brook, 2007/04/19
- Re: [Qemu-devel] qemu/hw pckbd.c, Blue Swirl, 2007/04/19