On 20/11/15 22:40, BALATON Zoltan wrote: > On Fri, 20 Nov 2015, Alfonso Gamboa wrote: >> booting into MacOS9 with qemu to the Desktop is now possible, see: >> >> http://www.emaculation.com/forum/viewtopic.php?f=34&t=7047&start=250 > > Very nice. > >> On Nov 20, 2015 7:46 AM, "Programmingkid" <programmingk...@gmail.com> >> wrote: >>> I use to have the same belief until Mark set me straight. We are only >>> making an emulator of a new world Mac, not a simulator of a PowerMac3,1. >>> This means we might be able to get away with not exactly mirroring a >>> real >>> Mac. The fact that Mac OS 9 can boot up at all does give me hope we >>> are on >>> the right path. > > I'm clear on that but what I've meant was that we probably have to make > a closer emulation of the real PowerMac (not one to one but close > enough) to make OSes written for that hardware happy. I think we are > missing some i2c and gpio emulation that these OSes might expect but I'm > not sure. > > One thing that might help to hint at what's missing is to compile QEMU > with DEBUG_UNASSIGNED (this will generate a lot of logs) and try to find > out what is accessed that is not emulated.
Just to clarify here that this doesn't mean that I'm unwilling to accept patches that move the device model more towards a real Mac, only that any such patches must provide replacements for any new peripherals introduced so that during the transition there is no loss of functionality. ATB, Mark.
