/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
+/*
+ * NOTICE: This file was modified by McAfee Research in 2004 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
/*
*/
#include <debug.h>
#include <xpr_debug.h>
#include <mach_kdp.h>
-#include <mach_host.h>
#include <norma_vm.h>
#include <mach/boolean.h>
#include <kern/xpr.h>
#include <kern/zalloc.h>
#include <kern/locks.h>
-#include <vm/vm_shared_memory_server.h>
+#include <console/serial_protos.h>
#include <vm/vm_kern.h>
#include <vm/vm_init.h>
#include <vm/vm_map.h>
#include <vm/vm_object.h>
#include <vm/vm_page.h>
#include <vm/vm_pageout.h>
+#include <vm/vm_shared_region.h>
#include <machine/pmap.h>
#include <machine/commpage.h>
#include <libkern/version.h>
+#if CONFIG_MACF
+#include <security/mac_mach_internal.h>
+#endif
+
#ifdef __ppc__
#include <ppc/Firmware.h>
#include <ppc/mappings.h>
-#include <ppc/serial_io.h>
#endif
static void kernel_bootstrap_thread(void);
static void load_context(
thread_t thread);
+#ifdef i386
+extern void cpu_userwindow_init(int);
+extern void cpu_physwindow_init(int);
+#endif
+
+#ifdef CONFIG_JETTISON_KERNEL_LINKER
+extern void jettison_kernel_linker(void);
+#endif
/*
* Running in virtual memory, on the interrupt stack.
*/
+
void
kernel_bootstrap(void)
{
kern_return_t result;
thread_t thread;
+ printf("%s\n", version); /* log kernel version */
+
+#define kernel_bootstrap_kprintf(x...) /* kprintf("kernel_bootstrap: " x) */
+
+ kernel_bootstrap_kprintf("calling lck_mod_init\n");
lck_mod_init();
+
+ kernel_bootstrap_kprintf("calling sched_init\n");
sched_init();
+
+ kernel_bootstrap_kprintf("calling vm_mem_bootstrap\n");
vm_mem_bootstrap();
+
+ kernel_bootstrap_kprintf("calling ipc_bootstrap\n");
ipc_bootstrap();
+
+ kernel_bootstrap_kprintf("calling vm_mem_init\n");
vm_mem_init();
+
+ kernel_bootstrap_kprintf("calling kmod_init\n");
+ kmod_init();
+#if CONFIG_MACF
+ mac_policy_init();
+#endif
+ kernel_bootstrap_kprintf("calling ipc_init\n");
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");
PMAP_ACTIVATE_KERNEL(master_cpu);
+ kernel_bootstrap_kprintf("calling mapping_free_prime\n");
mapping_free_prime(); /* Load up with temporary mapping blocks */
+ kernel_bootstrap_kprintf("calling machine_init\n");
machine_init();
- kmod_init();
+
+ kernel_bootstrap_kprintf("calling clock_init\n");
clock_init();
machine_info.memory_size = mem_size;
/*
* Initialize the IPC, task, and thread subsystems.
*/
+ kernel_bootstrap_kprintf("calling ledger_init\n");
ledger_init();
+
+ kernel_bootstrap_kprintf("calling task_init\n");
task_init();
+
+ kernel_bootstrap_kprintf("calling thread_init\n");
thread_init();
/*
* Create a kernel thread to execute the kernel bootstrap.
*/
+ kernel_bootstrap_kprintf("calling kernel_thread_create\n");
result = kernel_thread_create((thread_continue_t)kernel_bootstrap_thread, NULL, MAXPRI_KERNEL, &thread);
- if (result != KERN_SUCCESS)
- panic("kernel_bootstrap");
+
+ if (result != KERN_SUCCESS) panic("kernel_bootstrap: result = %08X\n", result);
thread->state = TH_RUN;
thread_deallocate(thread);
+ kernel_bootstrap_kprintf("calling load_context - done\n");
load_context(thread);
/*NOTREACHED*/
}
+int kth_started = 0;
+
/*
* Now running in a thread. Kick off other services,
* invoke user bootstrap, enter pageout loop.
kernel_bootstrap_thread(void)
{
processor_t processor = current_processor();
- thread_t self = current_thread();
+#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.
*/
*
* Start up the scheduler services.
*/
+ kernel_bootstrap_thread_kprintf("calling sched_startup\n");
sched_startup();
/*
* Remain on current processor as
* additional processors come online.
*/
- thread_bind(self, processor);
+ 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();
/*
*/
device_service_create();
- shared_file_boot_time_init(ENV_DEFAULT_ROOT, cpu_type());
+ kth_started = 1;
+
+#ifdef i386
+ /*
+ * Create and initialize the physical copy window for processor 0
+ * This is required before starting kicking off IOKit.
+ */
+ cpu_physwindow_init(0);
+#endif
#ifdef IOKIT
- {
- PE_init_iokit();
- }
+ PE_init_iokit();
#endif
(void) spllo(); /* Allow interruptions */
- /*
- * Fill in the comm area (mapped into every task address space.)
- */
- commpage_populate();
+#ifdef i386
+ /*
+ * 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
+
+ /*
+ * Initialize the shared region module.
+ */
+ vm_shared_region_init();
+ vm_commpage_init();
+
+#if CONFIG_MACF
+ mac_policy_initmach();
+#endif
/*
* Start the user bootstrap.
*/
#ifdef MACH_BSD
- {
- bsd_init();
- }
+ bsd_init();
#endif
-#if __ppc__
- serial_keyboard_init(); /* Start serial keyboard if wanted */
+#ifdef CONFIG_JETTISON_KERNEL_LINKER
+ /* We do not run kextd, so get rid of the kernel linker now */
+ jettison_kernel_linker();
#endif
- thread_bind(self, PROCESSOR_NULL);
+ serial_keyboard_init(); /* Start serial keyboard if wanted */
+
+ thread_bind(PROCESSOR_NULL);
/*
* Become the pageout daemon.
{
processor_t processor = current_processor();
+
+#define load_context_kprintf(x...) /* kprintf("load_context: " x) */
+
+ load_context_kprintf("calling machine_set_current_thread\n");
machine_set_current_thread(thread);
+
+ load_context_kprintf("calling processor_up\n");
processor_up(processor);
PMAP_ACTIVATE_KERNEL(PROCESSOR_DATA(processor, slot_num));
* should never occur since the thread is expected
* to have reserved stack.
*/
+ load_context_kprintf("stack %x, stackptr %x\n",
+ thread->kernel_stack, thread->machine.kstackptr);
if (!thread->kernel_stack) {
+ load_context_kprintf("calling stack_alloc_try\n");
if (!stack_alloc_try(thread))
panic("load_context");
}
* running for load calculations.
*/
if (!(thread->state & TH_IDLE))
- pset_run_incr(thread->processor_set);
+ sched_run_incr();
processor->active_thread = thread;
processor->current_pri = thread->sched_pri;
thread->last_processor = processor;
processor->last_dispatch = mach_absolute_time();
- timer_switch((uint32_t)processor->last_dispatch,
- &PROCESSOR_DATA(processor, offline_timer));
+ timer_start(&thread->system_timer, processor->last_dispatch);
+ PROCESSOR_DATA(processor, thread_timer) = PROCESSOR_DATA(processor, kernel_timer) = &thread->system_timer;
+
+ timer_start(&PROCESSOR_DATA(processor, system_state), processor->last_dispatch);
+ PROCESSOR_DATA(processor, current_state) = &PROCESSOR_DATA(processor, system_state);
PMAP_ACTIVATE_USER(thread, PROCESSOR_DATA(processor, slot_num));
+ load_context_kprintf("calling machine_load_context\n");
machine_load_context(thread);
/*NOTREACHED*/
}