On Mon, 21 Dec 2015, Jakob Bohm wrote: > By "manually" I meant that your outer test-automating program or script > would do it by simply sending the appropriate "kill" message/signal, > not that you as a human would have to sit at the console ready to hit > ctrl+C. > > For qemu-system-i386 (and qemu-system-x86_64), you can use the same > PC BIOS request used by the Linux kernel when someone runs the "halt" > command line program. You should be able to find that somewhere in > the Linux kernel source code. > > For qemu-i386 (and any of the other non-system qemu interpreters) > simply doing a normal program exit should do the trick.
It's outw( 0xB004, 0x0 | 0x2000 ); http://forum.osdev.org/viewtopic.php?t=16990
