Re: [Qemu-devel] [PATCH] ACPI: Add IRQ resource to HPET._CRS on Mac OS X

[Alexander Graf <agraf@suse.de>]

> Am 25.01.2014 um 01:09 schrieb "Gabriel L. Somlo" <gsomlo@gmail.com>:
> 
> On Fri, Jan 24, 2014 at 10:18:04PM +0100, Alexander Graf wrote:
>>> In the mean time I updated the bootloader I was using (chameleon) to
>>> the latest svn (2345), and was able to bring up Lion in addition to
>>> SnowLeopard.
>> 
>> Did Chameleon patch this up itself in the dsdt maybe?
> 
> From a cursory pass through the Chameleon source, I don't think so.

Ok :). I only barely remember what Chameleon did on top of the normal Apple BIOS bootloader.

> 
> They do allow one to specify an alternate DSDT to load, but I'm not
> using that feature currently.
> 
> Once I finish trying all versions of OSX against all combinations
> of piix vs. q35 and up vs. smp, I'll give the Chameleon source a
> closer look: ultimately, it would be nice if we had something
> Chameleon-like that could be built on Linux (get OSX+Xcode out of
> the equation). Maybe getting the interesting bits submitted as patches
> against SeaBIOS and QEMU, wherever appropriate.

I disagree. Eventually we want to run TianoCore and just use Apple's EFI bootloader. With that we should be a lot more future proof.

> 
> Currently, I have SnowLeopard, Lion, and MountainLion working fine.
> MountainLion needs the 10.8.5 installer (10.8.0 installer hangs at
> boot).
> 
> Mavericks 10.9.0 installer boots and works fine, but the resulting hdd
> image, while bootable, hangs during boot. I want to try the latest
> Mavericks installer before moving on to isolate the bits of Chameleon
> magic that are relevant to us (QEMU+KVM).
> 
> That's about where things are right now :)

Nice progress :). Thanks a lot for taking care of all this!


Alex

> 
> Thanks,
> --Gabriel