On Wed, Jan 18, 2017 at 01:44:50PM +0100, Thomas Huth wrote: > Sometimes it is useful to have just a machine with CPU and RAM, without > any further hardware in it, e.g. if you just want to do some instruction > debugging for TCG with a remote GDB attached to QEMU, or run some embedded > code with the "-semihosting" QEMU parameter. qemu-system-m68k already > features a "dummy" machine, and xtensa a "sim" machine for exactly this > purpose. > All target architectures have nowadays also a "none" machine, which would > be a perfect match for this, too - but it currently does not allow to add > CPU and RAM yet. Thus let's add these possibilities in a generic way to the > "none" machine, too, so that we hopefully do not need additional "dummy" > machines in the future anymore (and maybe can also get rid of the already > existing "dummy"/"sim" machines one day). > Note that the default behaviour of the "none" machine is not changed, i.e. > no CPU and no RAM is instantiated by default. You have explicitely got to > specify the CPU model with "-cpu" and the amount of RAM with "-m" to get > these new features. > > Signed-off-by: Thomas Huth <th...@redhat.com>
Reviewed-by: Eduardo Habkost <ehabk...@redhat.com> I will wait for the opinion of others before applying it, though. -- Eduardo
