示例#1
0
/*
 * Further secondary CPU initialization.
 *
 * We are now running on our startup stack, with proper page tables.
 * There is nothing to do but display some details about the CPU and its CMMUs.
 */
void
secondary_main()
{
	struct cpu_info *ci = curcpu();
	int s;

	cpu_configuration_print(0);
	ncpus++;

	sched_init_cpu(ci);
	nanouptime(&ci->ci_schedstate.spc_runtime);
	ci->ci_curproc = NULL;
	ci->ci_randseed = (arc4random() & 0x7fffffff) + 1;

	/*
	 * Release cpu_hatch_mutex to let other secondary processors
	 * have a chance to run.
	 */
	hatch_pending_count--;
	__cpu_simple_unlock(&cpu_hatch_mutex);

	/* wait for cpu_boot_secondary_processors() */
	__cpu_simple_lock(&cpu_boot_mutex);
	__cpu_simple_unlock(&cpu_boot_mutex);

	spl0();
	SCHED_LOCK(s);
	set_psr(get_psr() & ~PSR_IND);

	SET(ci->ci_flags, CIF_ALIVE);

	cpu_switchto(NULL, sched_chooseproc());
}
示例#2
0
void
mainbus_attach(struct device *parent, struct device *self, void *args)
{
	extern void cpu_setup_secondary_processors(void);
	extern char cpu_model[];

	printf(": %s, cpuid 0x%04x", cpu_model, cpuid);
	printf("\n");

	/*
	 * Display cpu/mmu details for the main processor.
	 */
	cpu_configuration_print(1);

#ifdef MULTIPROCESSOR
	/*
	 * Let secondary processors initialize further and print
	 * their configuration information now.
	 */
	cpu_setup_secondary_processors();
#endif

	(void)config_search(mainbus_scan, self, args);
}