prom_restart − re-enter prom monitor command mode

#include <prom/entrypt.h>
prom_restart()

transfers control to the prom monitor such that the prom monitor
enters command mode.  The prom monitor’s data area (see
/usr/include/entrypt.h) must be unaltered since the monitor last
ran for this call to be effective.
prom_reset(2spp), prom_reboot(2spp), prom_reinit(2spp), prom_autoboot(2spp)