Re: [Qemu-devel] [RFC][PATCH 000/111] QEMU m68k core additions

[Laurent Vivier]

Le jeudi 18 août 2011 à 21:13 +0100, Natalia Portillo a écrit :
> Hi Laurent,
> 
> El 18/08/2011, a las 20:57, Laurent Vivier escribió:
> 
> > Le jeudi 18 août 2011 à 20:42 +0100, Natalia Portillo a écrit :
> >> Hi Laurent,
> > 
> > Hi Natalia,
> > 
> >> El 18/08/2011, a las 15:02, Laurent Vivier escribió:
> >> 
> >>> 
> >>> 
> >>> 
> >>> Le 18 août 2011 à 13:12, "François Revol" <address@hidden> a écrit : 
> >>> 
> >>>> Le -10/01/-28163 20:59, Laurent Vivier a écrit : 
> >>>>> Le mercredi 17 août 2011 à 17:35 -0500, Anthony Liguori a
> >>> écrit : 
> >>>>>> On 08/17/2011 03:46 PM, Bryce Lanham wrote: 
> >>>>>>> These patches greatly expand Motorola 68k emulation within
> >>> qemu, and are what I used as a basis for my 
> >>>>>>> Google Summer of Code project to add NeXT hardware support to
> >>> QEMU. 
> >>>>>> 
> >>>>>> Please don't crap flood the list with a series of 100 patches. 
> >>>>>> 
> >>>>>> Split things into logical chunks such that a series can be
> >>> reasonably 
> >>>>>> reviewed and applied. 
> >>>>> 
> >>>>> And I'm not sure this series of patches is ready for inclusion
> >>> in qemu 
> >>>>> mainline as it should break existing m68k emulation... 
> >>>>> 
> >>>>> Bryce, you should only post your patches, refering to the
> >>> repository on 
> >>>>> which they apply, i.e.
> >>> git://gitorious.org/qemu-m68k/qemu-m68k.git , 
> >>>>> master branch. 
> >>>>> 
> >>>> 
> >>>> Btw, are you planning on merging it back someday? 
> >>>> 
> >>> 
> >>> 
> >>> Yes... when it will work correctly.
> >>> 
> >>> 
> >>> I have at least, to rework 680x0 FPU part (80bit fpu) to not break
> >>> the existing one (64bit fpu).
> >>> I have to check modified instructions don't break existing m68k
> >>> emulation.
> >> 
> >> 
> >> Maybe Bryce can help you
> > 
> > I don't know if he is courageous enough to review and push 111
> > patches ;-)
> 
> He worked on emulating an abandoned, strange, difficult to get, and 
> undocumented hardware, using your 111 patches, and finished it before the 
> wholy more experienced MESS team.

The next-cube emulation is really working ?

> He is! xD

There is no problem for me, he can do...

> >>> Currently, I'm trying to port some parts of BasiliskII into Qemu to
> >>> be able to boot MacOS 7.6.
> >> 
> >> 
> >> Why are you planning to port a hack instead of making a full machine
> >> emulation?
> > 
> > Because I'm lazy and dumb: the work is already done, I like cut'n'paste.
> 
> Yeah, you said it!
> The work is already done, we have all the hardware emulation that Basilisk 
> substitutes for hacks.

I'm not sure of that... no MMU emulation, no Nubus, no ethernet card, no
video card, no SWIM, no SCSI, ... useless with a patched ROM.

You know, nights are not long enough...

> We only lack the 68k cpu (oh! your patches!!!) and the glue :p

this part is not working well as well ... gcc cannot compile linux
kernel, some demos fail in gtk-demo, ...

> Please don't port Basilisk on top of TCG, I beg to you in the name of some 
> god of your own choice :(

I believe only in Santa Claus, and it's not Christmas.

> (1000 Mb floppies patching .sony instead of implementing SCSI and SWIM, no 
> ethernet controller but a working TCP/IP, oh hell, it's not a Mac, it's a 
> Match!)

Regards,
Laurent