Discussion:
[Pearpc-devel] MacOS9 booting
Dana Sibera
2006-01-01 12:15:49 UTC
Permalink
I realise it's not really a focus of the project, but what was the
latest point that work towards booting Mac OS 9 on PearPC reached?
Last I remember it didn't yet complete booting and no further work
was planned - is this where things stand at the moment?

Just asking out of curiosity's sake, since new OSX x86 machines won't
have support for running OS 9 apps, and there may be more interest in
PearPC booting OS9 after the x86 macs are released (admittedly "more"
still being "not very much" :)

Thanks,
Dana
Max Jakub Ried
2006-01-01 15:18:59 UTC
Permalink
The problem depends on the fact, that "old New-World"-Macs got a buggy
OF implementation, while PearPC got a proper one. So, the developers
of MacOS 9 needed to do a workaround for this problem. Due to that,
MacOS 9 uses weired OF calls which are either not supported or
understood by pearpc.
To make OS 9 booting you also have to set the OF copyright message to
a real Mac's one.
Post by Dana Sibera
I realise it's not really a focus of the project, but what was the
latest point that work towards booting Mac OS 9 on PearPC reached?
Last I remember it didn't yet complete booting and no further work
was planned - is this where things stand at the moment?
Just asking out of curiosity's sake, since new OSX x86 machines won't
have support for running OS 9 apps, and there may be more interest in
PearPC booting OS9 after the x86 macs are released (admittedly "more"
still being "not very much" :)
Thanks,
Dana
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Daniel Foesch
2006-01-02 01:30:27 UTC
Permalink
Wrong. The problem is *not* due to a buggy OF implementation in "old
New-World" Macs.

OSX uses very little of OF, and this is the only stuff that was really
supported by PearPC.

Adding the support necessary to supply an OF implementation that would
allow OS9 to work at this point would require almost a complete
reworking of the PearPC OF implementation.
Post by Max Jakub Ried
The problem depends on the fact, that "old New-World"-Macs got a buggy
OF implementation, while PearPC got a proper one. So, the developers
of MacOS 9 needed to do a workaround for this problem. Due to that,
MacOS 9 uses weired OF calls which are either not supported or
understood by pearpc.
To make OS 9 booting you also have to set the OF copyright message to
a real Mac's one.
Post by Dana Sibera
I realise it's not really a focus of the project, but what was the
latest point that work towards booting Mac OS 9 on PearPC reached?
Last I remember it didn't yet complete booting and no further work
was planned - is this where things stand at the moment?
Just asking out of curiosity's sake, since new OSX x86 machines won't
have support for running OS 9 apps, and there may be more interest in
PearPC booting OS9 after the x86 macs are released (admittedly "more"
still being "not very much" :)
Thanks,
Dana
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--
Daniel Foesch
Alex Smith
2006-01-02 07:40:54 UTC
Permalink
Post by Daniel Foesch
Wrong. The problem is *not* due to a buggy OF implementation in "old
New-World" Macs.
OSX uses very little of OF, and this is the only stuff that was really
supported by PearPC.
Adding the support necessary to supply an OF implementation that would
allow OS9 to work at this point would require almost a complete
reworking of the PearPC OF implementation.
Meaning OpenBIOS, right? Which, btw, needs help with their CUDA driver
to work with PearPC, and also need their PearPC code tree ported to
current CVS
Post by Daniel Foesch
Post by Max Jakub Ried
The problem depends on the fact, that "old New-World"-Macs got a buggy
OF implementation, while PearPC got a proper one. So, the developers
of MacOS 9 needed to do a workaround for this problem. Due to that,
MacOS 9 uses weired OF calls which are either not supported or
understood by pearpc.
To make OS 9 booting you also have to set the OF copyright message to
a real Mac's one.
Post by Dana Sibera
I realise it's not really a focus of the project, but what was the
latest point that work towards booting Mac OS 9 on PearPC reached?
Last I remember it didn't yet complete booting and no further work
was planned - is this where things stand at the moment?
Just asking out of curiosity's sake, since new OSX x86 machines won't
have support for running OS 9 apps, and there may be more interest in
PearPC booting OS9 after the x86 macs are released (admittedly "more"
still being "not very much" :)
Thanks,
Dana
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Daniel Foesch
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Daniel Foesch
2006-01-02 11:32:22 UTC
Permalink
Post by Alex Smith
Post by Daniel Foesch
Wrong. The problem is *not* due to a buggy OF implementation in "old
New-World" Macs.
OSX uses very little of OF, and this is the only stuff that was really
supported by PearPC.
Adding the support necessary to supply an OF implementation that would
allow OS9 to work at this point would require almost a complete
reworking of the PearPC OF implementation.
Meaning OpenBIOS, right? Which, btw, needs help with their CUDA driver
to work with PearPC, and also need their PearPC code tree ported to
current CVS
Yes, I am aware of these issues, and I've said that I will work on a
proper serial driver so that they can test OpenBIOS out with the newer
source tree.

--
Daniel Foesch
Alex Smith
2006-01-02 17:56:34 UTC
Permalink
OK, just making sure that you are aware :)
Post by Daniel Foesch
On Sun, 2006-01-01 at 17:30 -0800, Daniel Foesch
Post by Daniel Foesch
Wrong. The problem is *not* due to a buggy OF
implementation in "old
Post by Daniel Foesch
New-World" Macs.
OSX uses very little of OF, and this is the only
stuff that was really
Post by Daniel Foesch
supported by PearPC.
Adding the support necessary to supply an OF
implementation that would
Post by Daniel Foesch
allow OS9 to work at this point would require
almost a complete
Post by Daniel Foesch
reworking of the PearPC OF implementation.
Meaning OpenBIOS, right? Which, btw, needs help
with their CUDA driver
to work with PearPC, and also need their PearPC
code tree ported to
current CVS
Yes, I am aware of these issues, and I've said that
I will work on a
proper serial driver so that they can test OpenBIOS
out with the newer
source tree.
--
Daniel Foesch
-------------------------------------------------------
Post by Daniel Foesch
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