Exemple #1
0
/*
 * Now running in a thread.  Kick off other services,
 * invoke user bootstrap, enter pageout loop.
 */
static void
kernel_bootstrap_thread(void)
{
	processor_t		processor = current_processor();

#define kernel_bootstrap_thread_kprintf(x...) /* kprintf("kernel_bootstrap_thread: " x) */
	kernel_bootstrap_thread_kprintf("calling idle_thread_create\n");
	/*
	 * Create the idle processor thread.
	 */
	idle_thread_create(processor);

	/*
	 * N.B. Do not stick anything else
	 * before this point.
	 *
	 * Start up the scheduler services.
	 */
	kernel_bootstrap_thread_kprintf("calling sched_startup\n");
	sched_startup();

	/*
	 * Thread lifecycle maintenance (teardown, stack allocation)
	 */
	kernel_bootstrap_thread_kprintf("calling thread_daemon_init\n");
	thread_daemon_init();

	/* Create kernel map entry reserve */
	vm_kernel_reserved_entry_init();

	/*
	 * Thread callout service.
	 */
	kernel_bootstrap_thread_kprintf("calling thread_call_initialize\n");
	thread_call_initialize();
	
	/*
	 * Remain on current processor as
	 * additional processors come online.
	 */
	kernel_bootstrap_thread_kprintf("calling thread_bind\n");
	thread_bind(processor);

	/*
	 * Kick off memory mapping adjustments.
	 */
	kernel_bootstrap_thread_kprintf("calling mapping_adjust\n");
	mapping_adjust();

	/*
	 *	Create the clock service.
	 */
	kernel_bootstrap_thread_kprintf("calling clock_service_create\n");
	clock_service_create();

	/*
	 *	Create the device service.
	 */
	device_service_create();

	kth_started = 1;
		
#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
	/*
	 * Create and initialize the physical copy window for processor 0
	 * This is required before starting kicking off  IOKit.
	 */
	cpu_physwindow_init(0);
#endif


	
#if MACH_KDP
	kernel_bootstrap_kprintf("calling kdp_init\n");
	kdp_init();
#endif

#if ALTERNATE_DEBUGGER
	alternate_debugger_init();
#endif

#if CONFIG_COUNTERS
	pmc_bootstrap();
#endif

#if KPC
	kpc_init();
#endif

#if KPERF
	kperf_bootstrap();
#endif

#if CONFIG_TELEMETRY
	kernel_bootstrap_kprintf("calling bootprofile_init\n");
	bootprofile_init();
#endif

#if (defined(__i386__) || defined(__x86_64__))
	if (turn_on_log_leaks && !new_nkdbufs)
		new_nkdbufs = 200000;
	start_kern_tracing(new_nkdbufs, FALSE);
	if (turn_on_log_leaks)
		log_leaks = 1;

#endif

#ifdef	IOKIT
	PE_init_iokit();
#endif
	
	(void) spllo();		/* Allow interruptions */

#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
	/*
	 * Create and initialize the copy window for processor 0
	 * This also allocates window space for all other processors.
	 * However, this is dependent on the number of processors - so this call
	 * must be after IOKit has been started because IOKit performs processor
	 * discovery.
	 */
	cpu_userwindow_init(0);
#endif

#if (!defined(__i386__) && !defined(__x86_64__))
	if (turn_on_log_leaks && !new_nkdbufs)
		new_nkdbufs = 200000;
	start_kern_tracing(new_nkdbufs, FALSE);
	if (turn_on_log_leaks)
		log_leaks = 1;
#endif

	/*
	 *	Initialize the shared region module.
	 */
	vm_shared_region_init();
	vm_commpage_init();
	vm_commpage_text_init();


#if CONFIG_MACF
	mac_policy_initmach();
#endif

	/*
	 * Initialize the global used for permuting kernel
	 * addresses that may be exported to userland as tokens
	 * using VM_KERNEL_ADDRPERM(). Force the random number
	 * to be odd to avoid mapping a non-zero
	 * word-aligned address to zero via addition.
	 */
	vm_kernel_addrperm = (vm_offset_t)early_random() | 1;
	buf_kernel_addrperm = (vm_offset_t)early_random() | 1;

	/*
	 *	Start the user bootstrap.
	 */
#ifdef	MACH_BSD
	bsd_init();
#endif

    /*
     * Get rid of segments used to bootstrap kext loading. This removes
     * the KLD, PRELINK symtab, LINKEDIT, and symtab segments/load commands.
     */
	OSKextRemoveKextBootstrap();

	serial_keyboard_init();		/* Start serial keyboard if wanted */

	vm_page_init_local_q();
	
	thread_bind(PROCESSOR_NULL);

	/*
	 *	Become the pageout daemon.
	 */
	vm_pageout();
	/*NOTREACHED*/
}
Exemple #2
0
/*
 * Now running in a thread.  Kick off other services,
 * invoke user bootstrap, enter pageout loop.
 */
static void
kernel_bootstrap_thread(void)
{
	processor_t		processor = current_processor();

#define kernel_bootstrap_thread_kprintf(x...) /* kprintf("kernel_bootstrap_thread: " x) */
	kernel_bootstrap_thread_log("idle_thread_create");
	/*
	 * Create the idle processor thread.
	 */
	idle_thread_create(processor);

	/*
	 * N.B. Do not stick anything else
	 * before this point.
	 *
	 * Start up the scheduler services.
	 */
	kernel_bootstrap_thread_log("sched_startup");
	sched_startup();

	/*
	 * Thread lifecycle maintenance (teardown, stack allocation)
	 */
	kernel_bootstrap_thread_log("thread_daemon_init");
	thread_daemon_init();

	/* Create kernel map entry reserve */
	vm_kernel_reserved_entry_init();

	/*
	 * Thread callout service.
	 */
	kernel_bootstrap_thread_log("thread_call_initialize");
	thread_call_initialize();

	/*
	 * Remain on current processor as
	 * additional processors come online.
	 */
	kernel_bootstrap_thread_log("thread_bind");
	thread_bind(processor);

	/*
	 * Initialize ipc thread call support.
	 */
	kernel_bootstrap_thread_log("ipc_thread_call_init");
	ipc_thread_call_init();

	/*
	 * Kick off memory mapping adjustments.
	 */
	kernel_bootstrap_thread_log("mapping_adjust");
	mapping_adjust();

	/*
	 *	Create the clock service.
	 */
	kernel_bootstrap_thread_log("clock_service_create");
	clock_service_create();

	/*
	 *	Create the device service.
	 */
	device_service_create();

	kth_started = 1;
		
#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
	/*
	 * Create and initialize the physical copy window for processor 0
	 * This is required before starting kicking off  IOKit.
	 */
	cpu_physwindow_init(0);
#endif


	
#if MACH_KDP 
	kernel_bootstrap_log("kdp_init");
	kdp_init();
#endif

#if ALTERNATE_DEBUGGER
	alternate_debugger_init();
#endif

#if KPC
	kpc_init();
#endif

#if CONFIG_ECC_LOGGING
	ecc_log_init();
#endif 

#if KPERF
	kperf_bootstrap();
#endif

#if HYPERVISOR
	hv_support_init();
#endif

#if CONFIG_TELEMETRY
	kernel_bootstrap_log("bootprofile_init");
	bootprofile_init();
#endif

#if (defined(__i386__) || defined(__x86_64__)) && CONFIG_VMX
	vmx_init();
#endif

#if (defined(__i386__) || defined(__x86_64__))
	if (kdebug_serial) {
		new_nkdbufs = 1;
		if (trace_typefilter == 0)
			trace_typefilter = 1;
	}
	if (turn_on_log_leaks && !new_nkdbufs)
		new_nkdbufs = 200000;
	if (trace_typefilter)
		start_kern_tracing_with_typefilter(new_nkdbufs,
						   FALSE,
						   trace_typefilter);
	else
		start_kern_tracing(new_nkdbufs, FALSE);
	if (turn_on_log_leaks)
		log_leaks = 1;

#endif

	kernel_bootstrap_log("prng_init");
	prng_cpu_init(master_cpu);

#ifdef	IOKIT
	PE_init_iokit();
#endif

	assert(ml_get_interrupts_enabled() == FALSE);
	(void) spllo();		/* Allow interruptions */

#if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
	/*
	 * Create and initialize the copy window for processor 0
	 * This also allocates window space for all other processors.
	 * However, this is dependent on the number of processors - so this call
	 * must be after IOKit has been started because IOKit performs processor
	 * discovery.
	 */
	cpu_userwindow_init(0);
#endif

#if (!defined(__i386__) && !defined(__x86_64__))
	if (turn_on_log_leaks && !new_nkdbufs)
		new_nkdbufs = 200000;
	if (trace_typefilter)
		start_kern_tracing_with_typefilter(new_nkdbufs, FALSE, trace_typefilter);
	else
		start_kern_tracing(new_nkdbufs, FALSE);
	if (turn_on_log_leaks)
		log_leaks = 1;
#endif

	/*
	 *	Initialize the shared region module.
	 */
	vm_shared_region_init();
	vm_commpage_init();
	vm_commpage_text_init();


#if CONFIG_MACF
	kernel_bootstrap_log("mac_policy_initmach");
	mac_policy_initmach();
#endif

#if CONFIG_SCHED_SFI
	kernel_bootstrap_log("sfi_init");
	sfi_init();
#endif

	/*
	 * Initialize the globals used for permuting kernel
	 * addresses that may be exported to userland as tokens
	 * using VM_KERNEL_ADDRPERM()/VM_KERNEL_ADDRPERM_EXTERNAL().
	 * Force the random number to be odd to avoid mapping a non-zero
	 * word-aligned address to zero via addition.
	 * Note: at this stage we can use the cryptographically secure PRNG
	 * rather than early_random().
	 */
	read_random(&vm_kernel_addrperm, sizeof(vm_kernel_addrperm));
	vm_kernel_addrperm |= 1;
	read_random(&buf_kernel_addrperm, sizeof(buf_kernel_addrperm));
	buf_kernel_addrperm |= 1;
	read_random(&vm_kernel_addrperm_ext, sizeof(vm_kernel_addrperm_ext));
	vm_kernel_addrperm_ext |= 1;

	vm_set_restrictions();



	/*
	 *	Start the user bootstrap.
	 */
#ifdef	MACH_BSD
	bsd_init();
#endif

    /*
     * Get rid of segments used to bootstrap kext loading. This removes
     * the KLD, PRELINK symtab, LINKEDIT, and symtab segments/load commands.
     */
	OSKextRemoveKextBootstrap();

	serial_keyboard_init();		/* Start serial keyboard if wanted */

	vm_page_init_local_q();

	thread_bind(PROCESSOR_NULL);

	/*
	 *	Become the pageout daemon.
	 */
	vm_pageout();
	/*NOTREACHED*/
}