Re: [Qemu-devel] Newb/OS X/Darwin: Help debugging please...

[dguinan]

Hi Tom,

I have not ran the linux ppc version.  But the x86 behavior should be 
identical regardless of the host (at least I would think so - there is 
always a possibility that interrupts could be causing problems??).

The full trace comparison between ppc/darwin and x86 hosts show 
identical initial conditions and identical x86 machine code through 
multiple blocks of code translation.  Eventually a point is reached 
where the simulated x86 state / register values do not match 
identically for the same block of code.  After this point, the code 
blocks being translated begin to differ and rather quickly, the 
darwin/ppc port crashes.

I have been trying to examine the machine code to understand the 
different initial and final conditions in the suspect block of code, 
but am having trouble figuring out exactly how the translated code 
interacts with the simulated x86 registers and state.  I need to spend 
a bit more time with the code, apparently.

However, I am encouraged by how far the OS X port goes.  Kudos to 
Pierre d'Herbemont for the initial darwin port and Fabrice for such a 
great tool.

-Daniel


On Feb 24, 2004, at 1:07 AM, Tom Musgrove wrote:

> Have you ran the Linux ppc version to see what it gives?
>
> Tom M.
>
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