HelenOS sources

wakeup_cpu        123 kernel/arch/sparc64/src/smp/sun4u/smp.c 			wakeup_cpu(node);
wakeup_cpu        127 kernel/arch/sparc64/src/smp/sun4u/smp.c 			wakeup_cpu(ofw_tree_find_child(node, "cpu@0"));
wakeup_cpu        128 kernel/arch/sparc64/src/smp/sun4u/smp.c 			wakeup_cpu(ofw_tree_find_child(node, "cpu@1"));
HelenOS homepage, sources at GitHub