HelenOS sources

CPU_STATE         364 kernel/arch/sparc64/src/smp/sun4v/smp.c 	__hypercall_fast_ret1(cpuid, 0, 0, 0, 0, CPU_STATE, &state);
CPU_STATE         366 kernel/arch/sparc64/src/smp/sun4v/smp.c 		__hypercall_fast_ret1(cpuid, 0, 0, 0, 0, CPU_STATE, &state);