static void cpu_startup(void *arg) { vm_paddr_t physsz; int i; tick_tc.tc_get_timecount = tick_get_timecount; tick_tc.tc_poll_pps = NULL; tick_tc.tc_counter_mask = ~0u; tick_tc.tc_frequency = tick_freq; tick_tc.tc_name = "tick"; tick_tc.tc_quality = UP_TICK_QUALITY; #ifdef SMP /* * We do not know if each CPU's tick counter is synchronized. */ if (cpu_mp_probe()) tick_tc.tc_quality = MP_TICK_QUALITY; #endif tc_init(&tick_tc); physsz = 0; for (i = 0; i < sparc64_nmemreg; i++) physsz += sparc64_memreg[i].mr_size; printf("real memory = %lu (%lu MB)\n", physsz, physsz / (1024 * 1024)); realmem = (long)physsz; vm_ksubmap_init(&kmi); bufinit(); vm_pager_bufferinit(); EVENTHANDLER_REGISTER(shutdown_final, sparc64_shutdown_final, NULL, SHUTDOWN_PRI_LAST); printf("avail memory = %lu (%lu MB)\n", cnt.v_free_count * PAGE_SIZE, cnt.v_free_count / ((1024 * 1024) / PAGE_SIZE)); if (bootverbose) printf("machine: %s\n", sparc64_model); #ifdef notyet cpu_identify(rdpr(ver), tick_freq, PCPU_GET(cpuid)); #endif }
/* * Call the MD SMP initialization code. */ static void mp_start(void *dummy) { /* Probe for MP hardware. */ if (smp_disabled != 0 || cpu_mp_probe() == 0) { mp_ncpus = 1; all_cpus = PCPU_GET(cpumask); return; } mtx_init(&smp_ipi_mtx, "smp rendezvous", NULL, MTX_SPIN); cpu_mp_start(); printf("FreeBSD/SMP: Multiprocessor System Detected: %d CPUs\n", mp_ncpus); cpu_mp_announce(); }