Symbol: prom_sunfire_cpu_off
usr/src/uts/sun4u/sunfire/io/fhc.c
3283
(void) prom_sunfire_cpu_off(); /* inform Ultra Enterprise prom */
usr/src/uts/sun4u/sys/prom_plat.h
218
extern int prom_sunfire_cpu_off(void); /* SunFire only */