Re: [Qemu-devel] bug: qemu-0.9.0 emulating mipsel (32-bit R3000) on amd64

[Thiemo Seufer]

ths wrote:
> John Reiser wrote:
> > Hi,
> > 
> > qemu-0.9.0 compiled and running on Debian 2.6.18-4-amd64,
> > [compiled by gcc (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)],
> > emulating Debian 2.6.18-4-qemu mipsel (32-bit MIPS R3000 little endian),
> > errs when gdb 6.4.90-debian (running on the emulated mipsel)
> > single-steps the user-mode instruction:
> >     lw      a2,-44(s7)
> > After single-stepping the 'lw', then register a2 contains garbage
> > instead of the memory contents at address -44(s7).
> 
> This looks like another instance of "Qemu/MIPS doesn't handle
> self-modifying code correctly" (the break instructions inserted
> by gdb are exactly this).
> 
> A gross workaround is
> http://lists.nongnu.org/archive/html/qemu-devel/2007-05/msg00037.html

That is, that's a workaround for another instance of the problem.


Thiemo