X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6d2010ae8f7a6078e10b361c6962983bab233e0f..2dced7af2b695f87fe26496a3e73c219b7880cbc:/osfmk/kern/startup.c

diff --git a/osfmk/kern/startup.c b/osfmk/kern/startup.c
index 47290e3d8..53013fa79 100644
--- a/osfmk/kern/startup.c
+++ b/osfmk/kern/startup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -69,7 +69,6 @@
 #include <debug.h>
 #include <xpr_debug.h>
 #include <mach_kdp.h>
-#include <norma_vm.h>
 
 #include <mach/boolean.h>
 #include <mach/machine.h>
@@ -81,19 +80,28 @@
 #include <kern/mach_param.h>
 #include <kern/misc_protos.h>
 #include <kern/clock.h>
+#include <kern/coalition.h>
 #include <kern/cpu_number.h>
 #include <kern/ledger.h>
 #include <kern/machine.h>
 #include <kern/processor.h>
 #include <kern/sched_prim.h>
+#if CONFIG_SCHED_SFI
+#include <kern/sfi.h>
+#endif
 #include <kern/startup.h>
 #include <kern/task.h>
 #include <kern/thread.h>
 #include <kern/timer.h>
-#include <kern/wait_queue.h>
+#if CONFIG_TELEMETRY
+#include <kern/telemetry.h>
+#endif
 #include <kern/xpr.h>
 #include <kern/zalloc.h>
 #include <kern/locks.h>
+#include <kern/debug.h>
+#include <corpses/task_corpse.h>
+#include <prng/random.h>
 #include <console/serial_protos.h>
 #include <vm/vm_kern.h>
 #include <vm/vm_init.h>
@@ -105,7 +113,28 @@
 #include <machine/pmap.h>
 #include <machine/commpage.h>
 #include <libkern/version.h>
+#include <sys/codesign.h>
 #include <sys/kdebug.h>
+#include <sys/random.h>
+
+#include <kern/waitq.h>
+
+
+#if CONFIG_ATM
+#include <atm/atm_internal.h>
+#endif
+
+#if CONFIG_CSR
+#include <sys/csr.h>
+#endif
+
+#if CONFIG_BANK
+#include <bank/bank_internal.h>
+#endif
+
+#if ALTERNATE_DEBUGGER
+#include <arm64/alternate_debugger.h>
+#endif
 
 #if MACH_KDP
 #include <kdp/kdp.h>
@@ -115,10 +144,20 @@
 #include <security/mac_mach_internal.h>
 #endif
 
-#if CONFIG_COUNTERS
-#include <pmc/pmc.h>
+#if KPC
+#include <kern/kpc.h>
 #endif
 
+#if KPERF
+#include <kperf/kperf.h>
+#endif
+
+#if HYPERVISOR
+#include <kern/hv_support.h>
+#endif
+
+
+#include <i386/pmCPU.h>
 static void		kernel_bootstrap_thread(void);
 
 static void		load_context(
@@ -128,12 +167,21 @@ extern void cpu_userwindow_init(int);
 extern void cpu_physwindow_init(int);
 #endif
 
+#if CONFIG_ECC_LOGGING
+#include <kern/ecc.h>
+#endif 
+
+#if (defined(__i386__) || defined(__x86_64__)) && CONFIG_VMX
+#include <i386/vmx/vmx_cpu.h>
+#endif
+
 // libkern/OSKextLib.cpp
 extern void	OSKextRemoveKextBootstrap(void);
 
 void scale_setup(void);
 extern void bsd_scale_setup(int);
 extern unsigned int semaphore_max;
+extern void stackshot_lock_init(void);
 
 /*
  *	Running in virtual memory, on the interrupt stack.
@@ -143,24 +191,54 @@ extern int serverperfmode;
 
 /* size of kernel trace buffer, disabled by default */
 unsigned int new_nkdbufs = 0;
+unsigned int wake_nkdbufs = 0;
+unsigned int write_trace_on_panic = 0;
+unsigned int trace_typefilter = 0;
+boolean_t    trace_serial = FALSE;
 
 /* mach leak logging */
 int log_leaks = 0;
 int turn_on_log_leaks = 0;
 
+static inline void
+kernel_bootstrap_log(const char *message)
+{
+//	kprintf("kernel_bootstrap: %s\n", message);
+	kernel_debug_string_simple(message);
+}
+
+static inline void
+kernel_bootstrap_thread_log(const char *message)
+{
+//	kprintf("kernel_bootstrap_thread: %s\n", message);
+	kernel_debug_string_simple(message);
+}
 
 void
 kernel_early_bootstrap(void)
 {
+	/* serverperfmode is needed by timer setup */
+        if (PE_parse_boot_argn("serverperfmode", &serverperfmode, sizeof (serverperfmode))) {
+                serverperfmode = 1;
+        }
 
 	lck_mod_init();
 
 	/*
 	 * Initialize the timer callout world
 	 */
-	timer_call_initialize();
+	timer_call_init();
+
+#if CONFIG_SCHED_SFI
+	/*
+	 * Configure SFI classes
+	 */
+	sfi_early_init();
+#endif
 }
 
+extern boolean_t IORamDiskBSDRoot(void);
+extern kern_return_t cpm_preallocate_early(void);
 
 void
 kernel_bootstrap(void)
@@ -171,23 +249,23 @@ kernel_bootstrap(void)
 
 	printf("%s\n", version); /* log kernel version */
 
-#define kernel_bootstrap_kprintf(x...) /* kprintf("kernel_bootstrap: " x) */
-
 	if (PE_parse_boot_argn("-l", namep, sizeof (namep))) /* leaks logging */
 		turn_on_log_leaks = 1;
 
 	PE_parse_boot_argn("trace", &new_nkdbufs, sizeof (new_nkdbufs));
+	PE_parse_boot_argn("trace_wake", &wake_nkdbufs, sizeof (wake_nkdbufs));
+	PE_parse_boot_argn("trace_panic", &write_trace_on_panic, sizeof(write_trace_on_panic));
+	PE_parse_boot_argn("trace_typefilter", &trace_typefilter, sizeof(trace_typefilter));
 
-	/* i386_vm_init already checks for this ; do it aagin anyway */
-        if (PE_parse_boot_argn("serverperfmode", &serverperfmode, sizeof (serverperfmode))) {
-                serverperfmode = 1;
-        }
 	scale_setup();
 
-	kernel_bootstrap_kprintf("calling vm_mem_bootstrap\n");
+	kernel_bootstrap_log("vm_mem_bootstrap");
 	vm_mem_bootstrap();
 
-	kernel_bootstrap_kprintf("calling vm_mem_init\n");
+	kernel_bootstrap_log("cs_init");
+	cs_init();
+
+	kernel_bootstrap_log("vm_mem_init");
 	vm_mem_init();
 
 	machine_info.memory_size = (uint32_t)mem_size;
@@ -195,75 +273,107 @@ kernel_bootstrap(void)
 	machine_info.major_version = version_major;
 	machine_info.minor_version = version_minor;
 
-	kernel_bootstrap_kprintf("calling sched_init\n");
+
+#if CONFIG_TELEMETRY
+	kernel_bootstrap_log("telemetry_init");
+	telemetry_init();
+#endif
+
+#if CONFIG_CSR
+	kernel_bootstrap_log("csr_init");
+	csr_init();
+#endif
+
+	kernel_bootstrap_log("stackshot_lock_init");	
+	stackshot_lock_init();
+
+	kernel_bootstrap_log("sched_init");
 	sched_init();
 
-	kernel_bootstrap_kprintf("calling wait_queue_bootstrap\n");
-	wait_queue_bootstrap();
+	kernel_bootstrap_log("waitq_bootstrap");
+	waitq_bootstrap();
 
-	kernel_bootstrap_kprintf("calling ipc_bootstrap\n");
+	kernel_bootstrap_log("ipc_bootstrap");
 	ipc_bootstrap();
 
 #if CONFIG_MACF
+	kernel_bootstrap_log("mac_policy_init");
 	mac_policy_init();
 #endif
-	kernel_bootstrap_kprintf("calling ipc_init\n");
+
+	kernel_bootstrap_log("ipc_init");
 	ipc_init();
 
 	/*
 	 * As soon as the virtual memory system is up, we record
 	 * that this CPU is using the kernel pmap.
 	 */
-	kernel_bootstrap_kprintf("calling PMAP_ACTIVATE_KERNEL\n");
+	kernel_bootstrap_log("PMAP_ACTIVATE_KERNEL");
 	PMAP_ACTIVATE_KERNEL(master_cpu);
 
-	kernel_bootstrap_kprintf("calling mapping_free_prime\n");
+	kernel_bootstrap_log("mapping_free_prime");
 	mapping_free_prime();						/* Load up with temporary mapping blocks */
 
-	kernel_bootstrap_kprintf("calling machine_init\n");
+	kernel_bootstrap_log("machine_init");
 	machine_init();
 
-	kernel_bootstrap_kprintf("calling clock_init\n");
+	kernel_bootstrap_log("clock_init");
 	clock_init();
 
+	ledger_init();
 
 	/*
 	 *	Initialize the IPC, task, and thread subsystems.
 	 */
-	kernel_bootstrap_kprintf("calling ledger_init\n");
-	ledger_init();
+#if CONFIG_COALITIONS
+	kernel_bootstrap_log("coalitions_init");
+	coalitions_init();
+#endif
 
-	kernel_bootstrap_kprintf("calling task_init\n");
+	kernel_bootstrap_log("task_init");
 	task_init();
 
-	kernel_bootstrap_kprintf("calling thread_init\n");
+	kernel_bootstrap_log("thread_init");
 	thread_init();
+
+#if CONFIG_ATM
+	/* Initialize the Activity Trace Resource Manager. */
+	kernel_bootstrap_log("atm_init");
+	atm_init();
+#endif
+
+#if CONFIG_BANK
+	/* Initialize the BANK Manager. */
+	kernel_bootstrap_log("bank_init");
+	bank_init();
+#endif
 	
+	/* initialize the corpse config based on boot-args */
+	corpses_init();
+
 	/*
 	 *	Create a kernel thread to execute the kernel bootstrap.
 	 */
-	kernel_bootstrap_kprintf("calling kernel_thread_create\n");
+	kernel_bootstrap_log("kernel_thread_create");
 	result = kernel_thread_create((thread_continue_t)kernel_bootstrap_thread, NULL, MAXPRI_KERNEL, &thread);
 
 	if (result != KERN_SUCCESS) panic("kernel_bootstrap: result = %08X\n", result);
 
 	thread->state = TH_RUN;
+	thread->last_made_runnable_time = mach_absolute_time();
 	thread_deallocate(thread);
 
-	/* transfer statistics from init thread to kernel */
-	thread_t init_thread = current_thread();
-	kernel_task->tkm_private.alloc = init_thread->tkm_private.alloc;
-	kernel_task->tkm_private.free = init_thread->tkm_private.free;
-	kernel_task->tkm_shared.alloc = init_thread->tkm_shared.alloc;
-	kernel_task->tkm_shared.free = init_thread->tkm_shared.free;
-
-	kernel_bootstrap_kprintf("calling load_context - done\n");
+	kernel_bootstrap_log("load_context - done");
 	load_context(thread);
 	/*NOTREACHED*/
 }
 
 int kth_started = 0;
 
+vm_offset_t vm_kernel_addrperm;
+vm_offset_t buf_kernel_addrperm;
+vm_offset_t vm_kernel_addrperm_ext;
+
 /*
  * Now running in a thread.  Kick off other services,
  * invoke user bootstrap, enter pageout loop.
@@ -274,7 +384,7 @@ 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");
+	kernel_bootstrap_thread_log("idle_thread_create");
 	/*
 	 * Create the idle processor thread.
 	 */
@@ -286,38 +396,47 @@ kernel_bootstrap_thread(void)
 	 *
 	 * Start up the scheduler services.
 	 */
-	kernel_bootstrap_thread_kprintf("calling sched_startup\n");
+	kernel_bootstrap_thread_log("sched_startup");
 	sched_startup();
 
 	/*
 	 * Thread lifecycle maintenance (teardown, stack allocation)
 	 */
-	kernel_bootstrap_thread_kprintf("calling thread_daemon_init\n");
+	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_kprintf("calling thread_call_initialize\n");
+	kernel_bootstrap_thread_log("thread_call_initialize");
 	thread_call_initialize();
-	
+
 	/*
 	 * Remain on current processor as
 	 * additional processors come online.
 	 */
-	kernel_bootstrap_thread_kprintf("calling thread_bind\n");
+	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_kprintf("calling mapping_adjust\n");
+	kernel_bootstrap_thread_log("mapping_adjust");
 	mapping_adjust();
 
 	/*
 	 *	Create the clock service.
 	 */
-	kernel_bootstrap_thread_kprintf("calling clock_service_create\n");
+	kernel_bootstrap_thread_log("clock_service_create");
 	clock_service_create();
 
 	/*
@@ -326,11 +445,6 @@ kernel_bootstrap_thread(void)
 	device_service_create();
 
 	kth_started = 1;
-
-#if MACH_KDP
-	kernel_bootstrap_kprintf("calling kdp_init\n");
-	kdp_init();
-#endif
 		
 #if (defined(__i386__) || defined(__x86_64__)) && NCOPY_WINDOWS > 0
 	/*
@@ -340,22 +454,69 @@ kernel_bootstrap_thread(void)
 	cpu_physwindow_init(0);
 #endif
 
-#if CONFIG_COUNTERS
-	pmc_bootstrap();
+
+	
+#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;
-	start_kern_tracing(new_nkdbufs);
+	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
@@ -372,7 +533,10 @@ kernel_bootstrap_thread(void)
 #if (!defined(__i386__) && !defined(__x86_64__))
 	if (turn_on_log_leaks && !new_nkdbufs)
 		new_nkdbufs = 200000;
-	start_kern_tracing(new_nkdbufs);
+	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
@@ -382,11 +546,39 @@ kernel_bootstrap_thread(void)
 	 */
 	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.
 	 */
@@ -482,10 +674,10 @@ load_context(
 
 #define load_context_kprintf(x...) /* kprintf("load_context: " x) */
 
-	load_context_kprintf("calling machine_set_current_thread\n");
+	load_context_kprintf("machine_set_current_thread\n");
 	machine_set_current_thread(thread);
 
-	load_context_kprintf("calling processor_up\n");
+	load_context_kprintf("processor_up\n");
 	processor_up(processor);
 
 	PMAP_ACTIVATE_KERNEL(processor->cpu_id);
@@ -495,10 +687,10 @@ load_context(
 	 * should never occur since the thread is expected
 	 * to have reserved stack.
 	 */
-	load_context_kprintf("stack %x, stackptr %x\n", 
+	load_context_kprintf("thread %p, stack %lx, stackptr %lx\n", thread,
 			     thread->kernel_stack, thread->machine.kstackptr);
 	if (!thread->kernel_stack) {
-		load_context_kprintf("calling stack_alloc_try\n");
+		load_context_kprintf("stack_alloc_try\n");
 		if (!stack_alloc_try(thread))
 			panic("load_context");
 	}
@@ -508,7 +700,7 @@ load_context(
 	 * running for load calculations.
 	 */
 	if (!(thread->state & TH_IDLE))
-		sched_run_incr();
+		sched_run_incr(thread);
 
 	processor->active_thread = thread;
 	processor->current_pri = thread->sched_pri;
@@ -525,7 +717,7 @@ load_context(
 
 	PMAP_ACTIVATE_USER(thread, processor->cpu_id);
 
-	load_context_kprintf("calling machine_load_context\n");
+	load_context_kprintf("machine_load_context\n");
 	machine_load_context(thread);
 	/*NOTREACHED*/
 }
@@ -559,7 +751,6 @@ scale_setup()
 	bsd_scale_setup(scale);
 	
 	ipc_space_max = SPACE_MAX;
-	ipc_tree_entry_max = ITE_MAX;
 	ipc_port_max = PORT_MAX;
 	ipc_pset_max = SET_MAX;
 	semaphore_max = SEMAPHORE_MAX;