Re: [Qemu-devel][PATCH]Get machine name from name of executable

[Thiemo Seufer <ths@networkno.de>]

Stefan Weil wrote:
> Today, QEMU allows machine selection using command line option -M.
> Without this option, it will always take the first machine
> for the given target architecture.
> 
> With my patch, QEMU first parses the name of the executable.
> The string after the last '-' is interpreted as machine name.
> If this machine does not exist, the first machine is taken,
> so the new QEMU remains compatible with the old behaviour.
> 
> With this patch, an installation might link e.g. qemu-system-arm
> to qemu-system-arm-integratorcp926, and running 
> qemu-system-arm-integratorcp926
> will automatically select machine integratorcp926.
> 
> My goal is a MIPS emulation which supports big and little endian mode
> in the same executable (like the real hardware). qemu-system-mipsel
> would be a symbolic link to qemu-system-mips and enable little endian mode.

A similiar approach was abandoned years ago in the case of GNU
ls/dir/vdir due to continuous trouble on non-posix systems, and the
potential of unexpected results with this aproach. (E.g. what happens
if somebody adds a symlink qemu-default -> qemu-system-mipsel).


Thiemo