+ if(cpu_find_by_instance(1, NULL, NULL))
+ return; /* Not an MP box. */
+ for(i = 0; i < NR_CPUS; i++) {
+ if(i == boot_cpu_id)
+ continue;
+
+ if (cpu_isset(i, cpu_present_map)) {
+ extern unsigned long sun4m_cpu_startup;
+ unsigned long *entry = &sun4m_cpu_startup;
+ struct task_struct *p;
+ int timeout;
+
+ /* Cook up an idler for this guy. */
+ p = fork_idle(i);
+ cpucount++;
+ current_set[i] = task_thread_info(p);
+ /* See trampoline.S for details... */
+ entry += ((i-1) * 3);
+
+ /*
+ * Initialize the contexts table
+ * Since the call to prom_startcpu() trashes the structure,
+ * we need to re-initialize it for each cpu
+ */
+ smp_penguin_ctable.which_io = 0;
+ smp_penguin_ctable.phys_addr = (unsigned int) srmmu_ctx_table_phys;
+ smp_penguin_ctable.reg_size = 0;
+
+ /* whirrr, whirrr, whirrrrrrrrr... */
+ printk("Starting CPU %d at %p\n", i, entry);
+ local_flush_cache_all();
+ prom_startcpu(cpu_data(i).prom_node,
+ &smp_penguin_ctable, 0, (char *)entry);
+
+ /* wheee... it's going... */
+ for(timeout = 0; timeout < 10000; timeout++) {
+ if(cpu_callin_map[i])
+ break;
+ udelay(200);
+ }
+ if(cpu_callin_map[i]) {
+ /* Another "Red Snapper". */
+ __cpu_number_map[i] = i;
+ __cpu_logical_map[i] = i;
+ } else {
+ cpucount--;
+ printk("Processor %d is stuck.\n", i);
+ }
+ }
+ if(!(cpu_callin_map[i])) {
+ cpu_clear(i, cpu_present_map);
+ __cpu_number_map[i] = -1;