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Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial
From: |
Blue Swirl |
Subject: |
Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial |
Date: |
Tue, 13 Jan 2009 22:12:10 +0200 |
On 1/13/09, Aurelien Jarno <address@hidden> wrote:
> Blue Swirl a écrit :
>
> > On 1/13/09, Aurelien Jarno <address@hidden> wrote:
> >> On Mon, Jan 12, 2009 at 10:59:11PM +0200, Blue Swirl wrote:
> >> > On 1/12/09, Aurelien Jarno <address@hidden> wrote:
> >> > > On Mon, Jan 12, 2009 at 09:40:49PM +0100, Aurelien Jarno wrote:
> >> > > > On Mon, Jan 12, 2009 at 10:32:43PM +0200, Blue Swirl wrote:
> >> > > > > On 1/12/09, Aurelien Jarno <address@hidden> wrote:
> >> > > > > > On Mon, Jan 12, 2009 at 05:40:24PM +0000, Blue Swirl wrote:
> >> > > > >
> >> > >
> >> > > > > Strange, at least Debian 3.1 R8 (CD and direct -kernel), Debian
> 4.0 R5
> >> > > > > (CD and direct -kernel), Debian 4.0 R6 and Gentoo 2008.0 act
> like
> >> > > > > before.
> >> > > >
> >> > > > I have the same problem with a CDROM, an hard disk, -kernel.
> >> > > >
> >> > > > > What kind of setup do you have? At least OpenBIOS config is not
> >> > > > > standard, you have enabled PCI debugging.
> >> > > >
> >> > > > I have built OpenBIOS by hand, native build. This is the
> unmodified SVN.
> >> > > >
> >> > >
> >> > >
> >> > > The PCI debugging is enabled by default on the native build, and
> disable
> >> > > on the cross-build. Disabling the PCI code fixes (or workarounds?)
> the
> >> > > problem.
> >> >
> >> > It looks like the address of the boot serial is bad, if I change it to
> >> > 0x7f013000, PCI debug output works. Maybe something maps over the
> >> > address at some point.
> >>
> >>
> >> 0x80013000 is in the middle of the PCI space, so you are hitting another
> >> device, probably the VGA card. 0x7f013000 is unused but we have to limit
> >> the memory to 2032MiB
> >
> > How about some higher address then, like 0xef013000?
> >
>
>
> The PCI space uses 80000000-fdffffff. The ISA IO space uses
> fe000000-fe0200000. OpenBios uses 0xfff00000-0xffffffff. This leaves
> very few possibilities.
>
> Alternatively we can map the whole MacIO device at a fixed location
> which also makes the location of the serial ports fixed. The G3 beige
> uses f3000000-f307ffff for the MacIO device.
I just wonder what this means for PCI mapping, will MacIO appear twice
(like ESCC now)?
- [Qemu-devel] [6271] Use ESCC for PowerMac serial, Blue Swirl, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Blue Swirl, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Blue Swirl, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Blue Swirl, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial,
Blue Swirl <=
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Laurent Vivier, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Laurent Vivier, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/13
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Blue Swirl, 2009/01/12
- Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial, Aurelien Jarno, 2009/01/12