Re: bochs on sparc/solaris

On Thu, Dec 27, 2012, at 03:33 PM, Stanislav wrote:
[snip]
> I see that the ReadHostWordFromLittleEndian trying to read a word from
> non-aligned address.
[snip]

I had a similar problem some years ago when trying to recompile the
Bochs BIOS on a SPARC machine. I compiled the necessary assembler, but
it would crash when running because it accessed memory in an unaligned
fashion. As a quick and dirty workaround for this kind of problem, you
can always place the following code (gcc syntax) at the top of main().

asm("ta 6");

This will tell the Solaris kernel to implement unaligned memory accesses
inside the trap handler, rather than signal a fault, for the remainder
of the execution of the process. There is a performance penalty for
doing this, however, and so it's always better to avoid the unaligned
accesses in the first place.

Regards,

-- 
Robin KAY

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