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From: | Gwenole Beauchesne |
Subject: | Re: [Qemu-devel] PPC emulation on Qemu |
Date: | Mon, 16 Feb 2004 08:20:57 +0100 |
Hi,
Latest "devel" tree from Samuel started integrating OpenBIOS in MOL (that is a full OF implementation).OpenBios would be great, but it seems to be far from running. I got something nearly running, in host environment. But if OpenBios gets close to a full real Bios, I'd be glad to use it !
And running BeOS? ;-)
What is OpenPPC standard ? So far, the most "standard" PPCs are PowerMacs ;)Well, G4 Macs are close to OpenPPC standard, which is an open platform which has been described by IBM.
I believe only 7.5.2 + unreleased enabler was able to run on CHIRP platforms (Starmax 6000 or those with IBM LongTrail prototype boards). Or is the "OpenPPC standard" another thing?
Does the OSI calls mechanism needs patched OS and/or firmware ?
I have not looked at MOL that much but OSI stands for Operating System Interface. i.e. a means that can communicate from the guest OS and the host OS through (here) "normal" syscalls. On the Mac side, specific drivers use those syscall to get/set variables in a fast way. Ben said it's all optional but useful performance wise. SheepShaver does a similar thing with EmulOps (major opcode = 6 on ppc), or direct TVECT patching on native PPC.
Bye, Gwenole.
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