/*
- * Copyright (c) 2000 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@
*/
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993
* the terms and conditions for use and redistribution.
*/
/*
- * HISTORY
- * 16-Apr-98 A. Ramesh at Apple
- * Created for Apple Core from DR2 init_main.c.
+ * 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 <quota.h>
-
#include <sys/param.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
-#include <sys/mount.h>
-#include <sys/proc.h>
+#include <sys/mount_internal.h>
+#include <sys/proc_internal.h>
+#include <sys/kauth.h>
#include <sys/systm.h>
-#include <sys/vnode.h>
+#include <sys/vnode_internal.h>
#include <sys/conf.h>
-#include <sys/buf.h>
+#include <sys/buf_internal.h>
#include <sys/clist.h>
#include <sys/user.h>
-#include <ufs/ufs/quota.h>
+#include <sys/time.h>
+#include <sys/systm.h>
+#include <sys/mman.h>
+
+#include <bsm/audit_kernel.h>
#include <sys/malloc.h>
#include <sys/dkstat.h>
+#include <sys/codesign.h>
-#include <machine/spl.h>
+#include <kern/startup.h>
#include <kern/thread.h>
#include <kern/task.h>
#include <kern/ast.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
-#include <sys/ux_exception.h>
+#include <sys/ux_exception.h> /* for ux_exception_port */
#include <sys/reboot.h>
#include <mach/exception_types.h>
-#include <dev/busvar.h>
+#include <dev/busvar.h> /* for pseudo_inits */
#include <sys/kdebug.h>
-extern shared_region_mapping_t system_shared_region;
+#include <mach/mach_types.h>
+#include <mach/vm_prot.h>
+#include <mach/semaphore.h>
+#include <mach/sync_policy.h>
+#include <kern/clock.h>
+#include <mach/kern_return.h>
+#include <mach/thread_act.h> /* for thread_resume() */
+#include <mach/task.h> /* for task_set_exception_ports() */
+#include <sys/ux_exception.h> /* for ux_handler() */
+#include <sys/ubc_internal.h> /* for ubc_init() */
+#include <sys/mcache.h> /* for mcache_init() */
+#include <sys/mbuf.h> /* for mbinit() */
+#include <sys/event.h> /* for knote_init() */
+#include <sys/aio_kern.h> /* for aio_init() */
+#include <sys/semaphore.h> /* for psem_cache_init() */
+#include <net/dlil.h> /* for dlil_init() */
+#include <net/kpi_protocol.h> /* for proto_kpi_init() */
+#include <sys/pipe.h> /* for pipeinit() */
+#include <sys/socketvar.h> /* for socketinit() */
+#include <sys/protosw.h> /* for domaininit() */
+#include <kern/sched_prim.h> /* for thread_wakeup() */
+#include <net/if_ether.h> /* for ether_family_init() */
+#include <vm/vm_protos.h> /* for vnode_pager_bootstrap() */
+#include <miscfs/devfs/devfsdefs.h> /* for devfs_kernel_mount() */
+#include <mach/host_priv.h> /* for host_set_exception_ports() */
+#include <kern/host.h> /* for host_priv_self() */
+#include <vm/vm_kern.h> /* for kmem_suballoc() */
+#include <sys/semaphore.h> /* for psem_lock_init() */
+#include <sys/msgbuf.h> /* for log_setsize() */
+
+#include <net/init.h>
+
+#if CONFIG_MACF
+#include <security/mac_framework.h>
+#include <security/mac_internal.h> /* mac_init_bsd() */
+#include <security/mac_mach_internal.h> /* mac_update_task_label() */
+#endif
-char copyright[] =
-"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California. All rights reserved.\n\n";
+#include <machine/exec.h>
-extern void ux_handler();
+#if CONFIG_IMAGEBOOT
+#include <sys/imageboot.h>
+#endif
+
+#include <pexpert/pexpert.h>
+
+void * get_user_regs(thread_t); /* XXX kludge for <machine/thread.h> */
+void IOKitInitializeTime(void); /* XXX */
+void loopattach(void); /* XXX */
+
+char copyright[] =
+"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\t"
+"The Regents of the University of California. "
+"All rights reserved.\n\n";
/* Components of the first process -- never freed. */
struct proc proc0;
struct session session0;
struct pgrp pgrp0;
-struct pcred cred0;
struct filedesc filedesc0;
struct plimit limit0;
struct pstats pstats0;
struct sigacts sigacts0;
-struct proc *kernproc, *initproc;
-
-
-long cp_time[CPUSTATES];
-long dk_seek[DK_NDRIVE];
-long dk_time[DK_NDRIVE];
-long dk_wds[DK_NDRIVE];
-long dk_wpms[DK_NDRIVE];
-long dk_xfer[DK_NDRIVE];
-long dk_bps[DK_NDRIVE];
-
-int dk_busy;
-int dk_ndrive;
+proc_t kernproc;
+proc_t initproc;
long tk_cancc;
long tk_nin;
long tk_nout;
long tk_rawcc;
+int lock_trace = 0;
/* Global variables to make pstat happy. We do swapping differently */
int nswdev, nswap;
int nswapmap;
long dumplo; /* offset into dumpdev */
long hostid;
char hostname[MAXHOSTNAMELEN];
-int hostnamelen;
+int hostnamelen;
char domainname[MAXDOMNAMELEN];
-int domainnamelen;
+int domainnamelen;
+#if __i386__
+struct exec_archhandler exec_archhandler_ppc = {
+ .path = "/usr/libexec/oah/translate",
+};
+#else /* __i386__ */
+struct exec_archhandler exec_archhandler_ppc;
+#endif /* __i386__ */
char rootdevice[16]; /* hfs device names have at least 9 chars */
-struct timeval boottime; /* GRODY! This has to go... */
-#if FIXME /* [ */
-struct timeval time;
-#endif /* FIXME ] */
-#ifdef KMEMSTATS
+#if KMEMSTATS
struct kmemstats kmemstats[M_LAST];
#endif
struct vnode *rootvp;
int boothowto = RB_DEBUG;
+void lightning_bolt(void *);
+extern kern_return_t IOFindBSDRoot(char *, unsigned int, dev_t *, u_int32_t *);
+extern void IOSecureBSDRoot(const char * rootName);
+extern kern_return_t IOKitBSDInit(void );
+extern void kminit(void);
+extern void klogwakeup(void);
+extern void file_lock_init(void);
+extern void kmeminit(void);
+extern void bsd_bufferinit(void);
+
+extern int srv;
+extern int ncl;
+
+#define BSD_SIMUL_EXECS 33 /* 32 , allow for rounding */
+#define BSD_PAGABLE_MAP_SIZE (BSD_SIMUL_EXECS * (NCARGS + PAGE_SIZE))
vm_map_t bsd_pageable_map;
vm_map_t mb_map;
+semaphore_t execve_semaphore;
int cmask = CMASK;
+extern int customnbuf;
-int parse_bsd_args(void);
-extern int bsd_hardclockinit;
-extern vm_address_t bsd_init_task;
+void bsd_init(void) __attribute__((section("__TEXT, initcode")));
+__private_extern__ void ubc_init(void ) __attribute__((section("__TEXT, initcode")));
+void vfsinit(void) __attribute__((section("__TEXT, initcode")));
+kern_return_t bsd_autoconf(void) __attribute__((section("__TEXT, initcode")));
+void bsd_utaskbootstrap(void) __attribute__((section("__TEXT, initcode")));
+
+static void parse_bsd_args(void);
+extern task_t bsd_init_task;
extern char init_task_failure_data[];
+extern void time_zone_slock_init(void);
+static void process_name(const char *, proc_t);
+
+static void setconf(void);
+
+funnel_t *kernel_flock;
+
+#if SYSV_SHM
+extern void sysv_shm_lock_init(void);
+#endif
+#if SYSV_SEM
+extern void sysv_sem_lock_init(void);
+#endif
+#if SYSV_MSG
+extern void sysv_msg_lock_init(void);
+#endif
+extern void pthread_init(void);
-funnel_t * kernel_flock;
-funnel_t * network_flock;
-int disable_funnel = 0; /* disables split funnel */
-int enable_funnel = 0; /* disables split funnel */
+/* kmem access not enabled by default; can be changed with boot-args */
+int setup_kmem = 0;
+
+/* size of kernel trace buffer, disabled by default */
+unsigned int new_nkdbufs = 0;
+
+/* mach leak logging */
+int log_leaks = 0;
+int turn_on_log_leaks = 0;
+
+extern void stackshot_lock_init(void);
/*
* Initialization code.
* soon as a stack and segmentation
* have been established.
* Functions:
- * clear and free user core
* turn on clock
* hand craft 0th process
* call all initialization routines
- * fork - process 0 to schedule
- * - process 1 execute bootstrap
- * - process 2 to page out
+ * hand craft 1st user process
*/
/*
* Sets the name for the given task.
*/
-void proc_name(s, p)
- char *s;
- struct proc *p;
+static void
+process_name(const char *s, proc_t p)
{
- int length = strlen(s);
+ size_t length = strlen(s);
bcopy(s, p->p_comm,
length >= sizeof(p->p_comm) ? sizeof(p->p_comm) :
length + 1);
}
-
/* To allow these values to be patched, they're globals here */
#include <machine/vmparam.h>
-struct rlimit vm_initial_limit_stack = { DFLSSIZ, MAXSSIZ };
+struct rlimit vm_initial_limit_stack = { DFLSSIZ, MAXSSIZ - PAGE_SIZE };
struct rlimit vm_initial_limit_data = { DFLDSIZ, MAXDSIZ };
struct rlimit vm_initial_limit_core = { DFLCSIZ, MAXCSIZ };
-extern thread_t first_thread;
+extern thread_t cloneproc(proc_t, int);
+extern int (*mountroot)(void);
+extern int netboot_mountroot(void); /* netboot.c */
+extern int netboot_setup(void);
-#define SPL_DEBUG 0
-#if SPL_DEBUG
-#define dprintf(x) printf x
-#else SPL_DEBUG
-#define dprintf(x)
-#endif /* SPL_DEBUG */
+lck_grp_t * proc_lck_grp;
+lck_grp_attr_t * proc_lck_grp_attr;
+lck_attr_t * proc_lck_attr;
+lck_mtx_t * proc_list_mlock;
+lck_mtx_t * proc_klist_mlock;
-extern thread_t cloneproc(struct proc *, int);
+/* hook called after root is mounted XXX temporary hack */
+void (*mountroot_post_hook)(void);
+/*
+ * This function is called very early on in the Mach startup, from the
+ * function start_kernel_threads() in osfmk/kern/startup.c. It's called
+ * in the context of the current (startup) task using a call to the
+ * function kernel_thread_create() to jump into start_kernel_threads().
+ * Internally, kernel_thread_create() calls thread_create_internal(),
+ * which calls uthread_alloc(). The function of uthread_alloc() is
+ * normally to allocate a uthread structure, and fill out the uu_sigmask,
+ * uu_context fields. It skips filling these out in the case of the "task"
+ * being "kernel_task", because the order of operation is inverted. To
+ * account for that, we need to manually fill in at least the contents
+ * of the uu_context.vc_ucred field so that the uthread structure can be
+ * used like any other.
+ */
void
-bsd_init()
+bsd_init(void)
{
- register struct proc *p;
- extern struct ucred *rootcred;
- register int i;
- int s;
- thread_t th;
- extern void bsdinit_task();
- void lightning_bolt(void );
+ proc_t p;
+ struct uthread *ut;
+ unsigned int i;
+#if __i386__
+ int error;
+#endif
+ struct vfs_context context;
kern_return_t ret;
- boolean_t funnel_state;
- extern void uthread_zone_init();
-
- extern int (*mountroot) __P((void));
-
-
-#if 1
- /* split funnel is enabled by default */
- PE_parse_boot_arg("dfnl", &disable_funnel);
-#else
- /* split funnel is disabled befault */
- disable_funnel = 1;
- PE_parse_boot_arg("efnl", &enable_funnel);
- if (enable_funnel) {
- /* enable only if efnl is set in bootarg */
- disable_funnel = 0;
- }
-#endif
+ struct ucred temp_cred;
+
+#define bsd_init_kprintf(x...) /* kprintf("bsd_init: " x) */
kernel_flock = funnel_alloc(KERNEL_FUNNEL);
if (kernel_flock == (funnel_t *)0 ) {
- panic("fail to allocate kernel mutex lock\n");
+ panic("bsd_init: Failed to allocate kernel funnel");
}
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
-
- if (!disable_funnel) {
- network_flock = funnel_alloc(NETWORK_FUNNEL);
- if (network_flock == (funnel_t *)0 ) {
- panic("fail to allocate network mutex lock\n");
- }
- } else {
- network_flock = kernel_flock;
- }
-
-
printf(copyright);
-
+
+ bsd_init_kprintf("calling kmeminit\n");
kmeminit();
+ bsd_init_kprintf("calling parse_bsd_args\n");
parse_bsd_args();
- bsd_bufferinit();
-
- /* Initialize the uthread zone */
- uthread_zone_init();
+ /* Initialize kauth subsystem before instancing the first credential */
+ bsd_init_kprintf("calling kauth_init\n");
+ kauth_init();
- /*
- * Initialize process and pgrp structures.
- */
+ /* Initialize process and pgrp structures. */
+ bsd_init_kprintf("calling procinit\n");
procinit();
kernproc = &proc0;
p = kernproc;
/* kernel_task->proc = kernproc; */
- set_bsdtask_info(kernel_task,(void *)kernproc);
+ set_bsdtask_info(kernel_task,(void *)p);
p->p_pid = 0;
+ p->p_ppid = 0;
/* give kernproc a name */
- proc_name("kernel_task", p);
+ bsd_init_kprintf("calling process_name\n");
+ process_name("kernel_task", p);
+
+ /* allocate proc lock group attribute and group */
+ bsd_init_kprintf("calling lck_grp_attr_alloc_init\n");
+ proc_lck_grp_attr= lck_grp_attr_alloc_init();
+
+ proc_lck_grp = lck_grp_alloc_init("proc", proc_lck_grp_attr);
+
+ /* Allocate proc lock attribute */
+ proc_lck_attr = lck_attr_alloc_init();
+#if 0
+#if __PROC_INTERNAL_DEBUG
+ lck_attr_setdebug(proc_lck_attr);
+#endif
+#endif
+
+ proc_list_mlock = lck_mtx_alloc_init(proc_lck_grp, proc_lck_attr);
+ proc_klist_mlock = lck_mtx_alloc_init(proc_lck_grp, proc_lck_attr);
+ lck_mtx_init(&p->p_mlock, proc_lck_grp, proc_lck_attr);
+ lck_mtx_init(&p->p_fdmlock, proc_lck_grp, proc_lck_attr);
+ lck_spin_init(&p->p_slock, proc_lck_grp, proc_lck_attr);
if (current_task() != kernel_task)
- printf("We are in for problem, current task in not kernel task\n");
+ printf("bsd_init: We have a problem, "
+ "current task is not kernel task\n");
+ bsd_init_kprintf("calling get_bsdthread_info\n");
+ ut = (uthread_t)get_bsdthread_info(current_thread());
+
+#if CONFIG_MACF
+ /*
+ * Initialize the MAC Framework
+ */
+ mac_policy_initbsd();
+ p->p_mac_enforce = 0;
+#endif /* MAC */
+
/*
* Create process 0.
*/
+ proc_list_lock();
LIST_INSERT_HEAD(&allproc, p, p_list);
p->p_pgrp = &pgrp0;
LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash);
LIST_INIT(&pgrp0.pg_members);
+ lck_mtx_init(&pgrp0.pg_mlock, proc_lck_grp, proc_lck_attr);
+ /* There is no other bsd thread this point and is safe without pgrp lock */
LIST_INSERT_HEAD(&pgrp0.pg_members, p, p_pglist);
+ p->p_listflag |= P_LIST_INPGRP;
+ p->p_pgrpid = 0;
pgrp0.pg_session = &session0;
+ pgrp0.pg_membercnt = 1;
+
session0.s_count = 1;
session0.s_leader = p;
+ session0.s_listflags = 0;
+ lck_mtx_init(&session0.s_mlock, proc_lck_grp, proc_lck_attr);
+ LIST_INSERT_HEAD(SESSHASH(0), &session0, s_hash);
+ proc_list_unlock();
+
+#if CONFIG_LCTX
+ p->p_lctx = NULL;
+#endif
p->task = kernel_task;
p->p_stat = SRUN;
- p->p_flag = P_INMEM|P_SYSTEM;
+ p->p_flag = P_SYSTEM;
p->p_nice = NZERO;
p->p_pptr = p;
- lockinit(&p->signal_lock, PVM, "signal", 0, 0);
+
+ TAILQ_INIT(&p->p_uthlist);
+ TAILQ_INSERT_TAIL(&p->p_uthlist, ut, uu_list);
+
p->sigwait = FALSE;
p->sigwait_thread = THREAD_NULL;
p->exit_thread = THREAD_NULL;
+ p->p_csflags = CS_VALID;
- /* Create credentials. */
- lockinit(&cred0.pc_lock, PLOCK, "proc0 cred", 0, 0);
- cred0.p_refcnt = 1;
- p->p_cred = &cred0;
- p->p_ucred = crget();
- p->p_ucred->cr_ngroups = 1; /* group 0 */
+ /*
+ * Create credential. This also Initializes the audit information.
+ * XXX It is not clear what the initial values should be for audit ID,
+ * XXX session ID, etc..
+ */
+ bsd_init_kprintf("calling bzero\n");
+ bzero(&temp_cred, sizeof(temp_cred));
+ temp_cred.cr_ngroups = 1;
+
+ bsd_init_kprintf("calling kauth_cred_create\n");
+ p->p_ucred = kauth_cred_create(&temp_cred);
+
+ /* give the (already exisiting) initial thread a reference on it */
+ bsd_init_kprintf("calling kauth_cred_ref\n");
+ kauth_cred_ref(p->p_ucred);
+ ut->uu_context.vc_ucred = p->p_ucred;
+ ut->uu_context.vc_thread = current_thread();
+
+ TAILQ_INIT(&p->aio_activeq);
+ TAILQ_INIT(&p->aio_doneq);
+ p->aio_active_count = 0;
+ p->aio_done_count = 0;
+
+ bsd_init_kprintf("calling file_lock_init\n");
+ file_lock_init();
+
+#if CONFIG_MACF
+ mac_cred_label_associate_kernel(p->p_ucred);
+ mac_task_label_update_cred (p->p_ucred, (struct task *) p->task);
+#endif
/* Create the file descriptor table. */
filedesc0.fd_refcnt = 1+1; /* +1 so shutdown will not _FREE_ZONE */
p->p_fd = &filedesc0;
filedesc0.fd_cmask = cmask;
+ filedesc0.fd_knlistsize = -1;
+ filedesc0.fd_knlist = NULL;
+ filedesc0.fd_knhash = NULL;
+ filedesc0.fd_knhashmask = 0;
/* Create the limits structures. */
p->p_limit = &limit0;
limit0.pl_rlimit[i].rlim_cur =
limit0.pl_rlimit[i].rlim_max = RLIM_INFINITY;
limit0.pl_rlimit[RLIMIT_NOFILE].rlim_cur = NOFILE;
- limit0.pl_rlimit[RLIMIT_NPROC].rlim_cur = MAXUPRC;
+ limit0.pl_rlimit[RLIMIT_NPROC].rlim_cur = maxprocperuid;
+ limit0.pl_rlimit[RLIMIT_NPROC].rlim_max = maxproc;
limit0.pl_rlimit[RLIMIT_STACK] = vm_initial_limit_stack;
limit0.pl_rlimit[RLIMIT_DATA] = vm_initial_limit_data;
limit0.pl_rlimit[RLIMIT_CORE] = vm_initial_limit_core;
- limit0.p_refcnt = 1;
+ limit0.pl_refcnt = 1;
p->p_stats = &pstats0;
p->p_sigacts = &sigacts0;
/*
- * Charge root for one process.
+ * Charge root for two processes: init and mach_init.
*/
+ bsd_init_kprintf("calling chgproccnt\n");
(void)chgproccnt(0, 1);
-
/*
* Allocate a kernel submap for pageable memory
- * for temporary copying (table(), execve()).
+ * for temporary copying (execve()).
*/
{
- vm_offset_t min;
+ vm_offset_t minimum;
+ bsd_init_kprintf("calling kmem_suballoc\n");
ret = kmem_suballoc(kernel_map,
- &min,
- (vm_size_t)512*1024,
- TRUE,
+ &minimum,
+ (vm_size_t)BSD_PAGABLE_MAP_SIZE,
TRUE,
+ VM_FLAGS_ANYWHERE,
&bsd_pageable_map);
- if (ret != KERN_SUCCESS)
- panic("Failed to allocare bsd pageable map\n");
+ if (ret != KERN_SUCCESS)
+ panic("bsd_init: Failed to allocate bsd pageable map");
}
+ /*
+ * Initialize buffers and hash links for buffers
+ *
+ * SIDE EFFECT: Starts a thread for bcleanbuf_thread(), so must
+ * happen after a credential has been associated with
+ * the kernel task.
+ */
+ bsd_init_kprintf("calling bsd_bufferinit\n");
+ bsd_bufferinit();
+
+ /* Initialize the execve() semaphore */
+ bsd_init_kprintf("calling semaphore_create\n");
+ ret = semaphore_create(kernel_task, &execve_semaphore,
+ SYNC_POLICY_FIFO, BSD_SIMUL_EXECS -1);
+ if (ret != KERN_SUCCESS)
+ panic("bsd_init: Failed to create execve semaphore");
+
/*
* Initialize the calendar.
*/
- IOKitResetTime();
+ bsd_init_kprintf("calling IOKitInitializeTime\n");
+ IOKitInitializeTime();
+ if (turn_on_log_leaks && !new_nkdbufs)
+ new_nkdbufs = 200000;
+ start_kern_tracing(new_nkdbufs);
+ if (turn_on_log_leaks)
+ log_leaks = 1;
+
+ bsd_init_kprintf("calling ubc_init\n");
ubc_init();
/* Initialize the file systems. */
+ bsd_init_kprintf("calling vfsinit\n");
vfsinit();
+#if SOCKETS
+ /* Initialize per-CPU cache allocator */
+ mcache_init();
+
/* Initialize mbuf's. */
+ bsd_init_kprintf("calling mbinit\n");
mbinit();
+#endif /* SOCKETS */
- /* Initialize syslog */
- log_init();
+ /*
+ * Initializes security event auditing.
+ * XXX: Should/could this occur later?
+ */
+#if AUDIT
+ bsd_init_kprintf("calling audit_init\n");
+ audit_init();
+#endif
- /* Initialize SysV shm */
- shminit();
+ /* Initialize kqueues */
+ bsd_init_kprintf("calling knote_init\n");
+ knote_init();
- /* POSIX Shm and Sem */
- pshm_cache_init();
- psem_cache_init();
-
+#if CONFIG_EMBEDDED
+ /* Initialize kernel memory status notifications */
+ bsd_init_kprintf("calling kern_memorystatus_init\n");
+ kern_memorystatus_init();
+#endif
+
+ /* Initialize for async IO */
+ bsd_init_kprintf("calling aio_init\n");
+ aio_init();
+
+ /* Initialize pipes */
+ bsd_init_kprintf("calling pipeinit\n");
+ pipeinit();
+
+ /* Initialize SysV shm subsystem locks; the subsystem proper is
+ * initialized through a sysctl.
+ */
+#if SYSV_SHM
+ bsd_init_kprintf("calling sysv_shm_lock_init\n");
+ sysv_shm_lock_init();
+#endif
+#if SYSV_SEM
+ bsd_init_kprintf("calling sysv_sem_lock_init\n");
+ sysv_sem_lock_init();
+#endif
+#if SYSV_MSG
+ bsd_init_kprintf("sysv_msg_lock_init\n");
+ sysv_msg_lock_init();
+#endif
+ bsd_init_kprintf("calling pshm_lock_init\n");
+ pshm_lock_init();
+ bsd_init_kprintf("calling psem_lock_init\n");
+ psem_lock_init();
+
+ pthread_init();
+ /* POSIX Shm and Sem */
+ bsd_init_kprintf("calling pshm_cache_init\n");
+ pshm_cache_init();
+ bsd_init_kprintf("calling psem_cache_init\n");
+ psem_cache_init();
+ bsd_init_kprintf("calling time_zone_slock_init\n");
+ time_zone_slock_init();
+
+ /* Stack snapshot facility lock */
+ stackshot_lock_init();
/*
* Initialize protocols. Block reception of incoming packets
* until everything is ready.
*/
- s = splimp();
+ bsd_init_kprintf("calling sysctl_register_fixed\n");
sysctl_register_fixed();
+ bsd_init_kprintf("calling sysctl_mib_init\n");
+ sysctl_mib_init();
+#if NETWORKING
+ bsd_init_kprintf("calling dlil_init\n");
dlil_init();
+ bsd_init_kprintf("calling proto_kpi_init\n");
+ proto_kpi_init();
+#endif /* NETWORKING */
+#if SOCKETS
+ bsd_init_kprintf("calling socketinit\n");
socketinit();
+ bsd_init_kprintf("calling domaininit\n");
domaininit();
- splx(s);
+#endif /* SOCKETS */
- /*
- * Create kernel idle cpu processes. This must be done
- * before a context switch can occur (and hence I/O can
- * happen in the binit() call).
- */
p->p_fd->fd_cdir = NULL;
p->p_fd->fd_rdir = NULL;
-
#ifdef GPROF
/* Initialize kernel profiling. */
kmstartup();
/* kick off timeout driven events by calling first time */
thread_wakeup(&lbolt);
- timeout(lightning_bolt,0,hz);
+ timeout(lightning_bolt, 0, hz);
+ bsd_init_kprintf("calling bsd_autoconf\n");
bsd_autoconf();
+#if CONFIG_DTRACE
+ extern void dtrace_postinit(void);
+ dtrace_postinit();
+#endif
+
/*
* We attach the loopback interface *way* down here to ensure
* it happens after autoconf(), otherwise it becomes the
*/
#include <loop.h>
#if NLOOP > 0
+ bsd_init_kprintf("calling loopattach\n");
loopattach(); /* XXX */
#endif
-
+
+#if NETHER > 0
+ /* Register the built-in dlil ethernet interface family */
+ bsd_init_kprintf("calling ether_family_init\n");
+ ether_family_init();
+#endif /* ETHER */
+
+#if NETWORKING
+ /* Call any kext code that wants to run just after network init */
+ bsd_init_kprintf("calling net_init_run\n");
+ net_init_run();
+#endif /* NETWORKING */
+
+ bsd_init_kprintf("calling vnode_pager_bootstrap\n");
vnode_pager_bootstrap();
+#if 0
+ /* XXX Hack for early debug stop */
+ printf("\nabout to sleep for 10 seconds\n");
+ IOSleep( 10 * 1000 );
+ /* Debugger("hello"); */
+#endif
+ bsd_init_kprintf("calling inittodr\n");
+ inittodr(0);
+
+#if CONFIG_EMBEDDED
+ {
+ /* print out early VM statistics */
+ kern_return_t kr1;
+ vm_statistics_data_t stat;
+ mach_msg_type_number_t count;
+
+ count = HOST_VM_INFO_COUNT;
+ kr1 = host_statistics(host_self(),
+ HOST_VM_INFO,
+ (host_info_t)&stat,
+ &count);
+ kprintf("Mach Virtual Memory Statistics (page size of 4096) bytes\n"
+ "Pages free:\t\t\t%u.\n"
+ "Pages active:\t\t\t%u.\n"
+ "Pages inactive:\t\t\t%u.\n"
+ "Pages wired down:\t\t%u.\n"
+ "\"Translation faults\":\t\t%u.\n"
+ "Pages copy-on-write:\t\t%u.\n"
+ "Pages zero filled:\t\t%u.\n"
+ "Pages reactivated:\t\t%u.\n"
+ "Pageins:\t\t\t%u.\n"
+ "Pageouts:\t\t\t\%u.\n"
+ "Object cache: %u hits of %u lookups (%d%% hit rate)\n",
+
+ stat.free_count,
+ stat.active_count,
+ stat.inactive_count,
+ stat.wire_count,
+ stat.faults,
+ stat.cow_faults,
+ stat.zero_fill_count,
+ stat.reactivations,
+ stat.pageins,
+ stat.pageouts,
+ stat.hits,
+ stat.lookups,
+ (stat.hits == 0) ? 100 :
+ ((stat.lookups * 100) / stat.hits));
+ }
+#endif /* CONFIG_EMBEDDED */
+
/* Mount the root file system. */
while( TRUE) {
int err;
+ bsd_init_kprintf("calling setconf\n");
setconf();
- /*
- * read the time after clock_initialize_calendar()
- * and before nfs mount
- */
- microtime(&time);
+ bsd_init_kprintf("vfs_mountroot\n");
if (0 == (err = vfs_mountroot()))
break;
+ rootdevice[0] = '\0';
+#if NFSCLIENT
+ if (mountroot == netboot_mountroot) {
+ printf("bsd_init: netboot_mountroot failed,"
+ " errno = %d\n", err);
+ panic("bsd_init: failed to mount network root: %s", PE_boot_args());
+ }
+#endif
printf("cannot mount root, errno = %d\n", err);
boothowto |= RB_ASKNAME;
}
- mountlist.cqh_first->mnt_flag |= MNT_ROOTFS;
+ IOSecureBSDRoot(rootdevice);
+
+ context.vc_thread = current_thread();
+ context.vc_ucred = p->p_ucred;
+ mountlist.tqh_first->mnt_flag |= MNT_ROOTFS;
+ bsd_init_kprintf("calling VFS_ROOT\n");
/* Get the vnode for '/'. Set fdp->fd_fd.fd_cdir to reference it. */
- if (VFS_ROOT(mountlist.cqh_first, &rootvnode))
- panic("cannot find root vnode");
+ if (VFS_ROOT(mountlist.tqh_first, &rootvnode, &context))
+ panic("bsd_init: cannot find root vnode: %s", PE_boot_args());
+ rootvnode->v_flag |= VROOT;
+ (void)vnode_ref(rootvnode);
+ (void)vnode_put(rootvnode);
filedesc0.fd_cdir = rootvnode;
- VREF(rootvnode);
- VOP_UNLOCK(rootvnode, 0, p);
+
+#if NFSCLIENT
+ if (mountroot == netboot_mountroot) {
+ int err;
+ /* post mount setup */
+ if ((err = netboot_setup()) != 0) {
+ panic("bsd_init: NetBoot could not find root, %d: %s", err, PE_boot_args());
+ }
+ }
+#endif
+#if CONFIG_IMAGEBOOT
/*
- * Now can look at time, having had a chance to verify the time
- * from the file system. Reset p->p_rtime as it may have been
- * munched in mi_switch() after the time got set.
- */
- p->p_stats->p_start = boottime = time;
+ * See if a system disk image is present. If so, mount it and
+ * switch the root vnode to point to it
+ */
+
+ if(imageboot_needed()) {
+ int err;
+
+ /* An image was found */
+ if((err = imageboot_setup())) {
+ /*
+ * this is not fatal. Keep trying to root
+ * off the original media
+ */
+ printf("%s: imageboot could not find root, %d\n",
+ __FUNCTION__, err);
+ }
+ }
+#endif /* CONFIG_IMAGEBOOT */
+
+ microtime(&p->p_stats->p_start); /* for compat sake */
+ microtime(&p->p_start);
p->p_rtime.tv_sec = p->p_rtime.tv_usec = 0;
-#ifdef DEVFS
+#if DEVFS
{
- extern void devfs_kernel_mount(char * str);
-
- devfs_kernel_mount("/dev");
+ char mounthere[] = "/dev"; /* !const because of internal casting */
+
+ bsd_init_kprintf("calling devfs_kernel_mount\n");
+ devfs_kernel_mount(mounthere);
}
-#endif DEVFS
+#endif /* DEVFS */
/* Initialize signal state for process 0. */
+ bsd_init_kprintf("calling siginit\n");
siginit(p);
- /* printf("Launching user process\n"); */
-
+ bsd_init_kprintf("calling bsd_utaskbootstrap\n");
bsd_utaskbootstrap();
- (void) thread_funnel_set(kernel_flock, FALSE);
+#if __i386__
+ /* this should be done after the root filesystem is mounted */
+ error = set_archhandler(p, CPU_TYPE_POWERPC);
+ if (error) /* XXX make more generic */
+ exec_archhandler_ppc.path[0] = 0;
+#endif
+
+ bsd_init_kprintf("calling mountroot_post_hook\n");
+
+ /* invoke post-root-mount hook */
+ if (mountroot_post_hook != NULL)
+ mountroot_post_hook();
+
+#if 0 /* not yet */
+ IOKitJettisonKLD();
+ consider_zone_gc();
+#endif
+
+ bsd_init_kprintf("done\n");
}
+/* Called with kernel funnel held */
void
-bsdinit_task()
+bsdinit_task(void)
{
- struct proc *p = current_proc();
+ proc_t p = current_proc();
struct uthread *ut;
- kern_return_t kr;
- thread_act_t th_act;
- boolean_t funnel_state;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
-
-#if FIXME /* [ */
-
- ipc_port_t master_bootstrap_port;
- task_t bootstrap_task;
- thread_act_t bootstrap_thr_act;
- ipc_port_t root_device_port;
-
- master_bootstrap_port = ipc_port_alloc_kernel();
- if (master_bootstrap_port == IP_NULL)
- panic("can't allocate master bootstrap port");
- printf("setting bootstrap port \n");
- task_set_special_port(bootstrap_task,
- TASK_BOOTSTRAP_PORT,
- ipc_port_make_send(master_bootstrap_port));
-
- printf("Setting exception port for the init task\n");
- (void) task_set_exception_ports(get_threadtask(th),
- EXC_MASK_ALL &
- ~(EXC_MASK_SYSCALL |
- EXC_MASK_MACH_SYSCALL | EXC_MASK_RPC_ALERT),
- ux_exception_port,
- EXCEPTION_DEFAULT, 0);
+ thread_t thread;
-#endif /* FIXME ] */
- proc_name("init", p);
+ process_name("init", p);
ux_handler_init();
- /* port_reference(ux_exception_port);*/
- th_act = current_act();
+ thread = current_thread();
(void) host_set_exception_ports(host_priv_self(),
EXC_MASK_ALL & ~(EXC_MASK_SYSCALL |
EXC_MASK_MACH_SYSCALL |
- EXC_MASK_RPC_ALERT),
- ux_exception_port,
- EXCEPTION_DEFAULT, 0);
-
- (void) task_set_exception_ports(get_threadtask(th_act),
- EXC_MASK_ALL & ~(EXC_MASK_SYSCALL |
- EXC_MASK_MACH_SYSCALL |
- EXC_MASK_RPC_ALERT),
- ux_exception_port,
- EXCEPTION_DEFAULT, 0);
-
-
+ EXC_MASK_RPC_ALERT |
+ EXC_MASK_CRASH),
+ (mach_port_t)ux_exception_port,
+ EXCEPTION_DEFAULT| MACH_EXCEPTION_CODES,
+ 0);
+ ut = (uthread_t)get_bsdthread_info(thread);
- ut = (uthread_t)get_bsdthread_info(th_act);
- ut->uu_ar0 = (void *)get_user_regs(th_act);
-
- bsd_hardclockinit = 1; /* Start bsd hardclock */
- bsd_init_task = get_threadtask(th_act);
+ bsd_init_task = get_threadtask(thread);
init_task_failure_data[0] = 0;
- vm_set_shared_region(get_threadtask(th_act), system_shared_region);
- load_init_program(p);
- (void) thread_funnel_set(kernel_flock, FALSE);
-
+#if CONFIG_MACF
+ mac_cred_label_associate_user(p->p_ucred);
+ mac_task_label_update_cred (p->p_ucred, (struct task *) p->task);
+#endif
+ load_init_program(p);
+ lock_trace = 1;
}
void
-lightning_bolt()
+lightning_bolt(__unused void *dummy)
{
boolean_t funnel_state;
- extern void klogwakeup(void);
funnel_state = thread_funnel_set(kernel_flock, TRUE);
(void) thread_funnel_set(kernel_flock, FALSE);
}
-bsd_autoconf(){
- extern kern_return_t IOKitBSDInit( void );
-
+kern_return_t
+bsd_autoconf(void)
+{
+ kprintf("bsd_autoconf: calling kminit\n");
kminit();
/*
(*pi->ps_func) (pi->ps_count);
}
- return( IOKitBSDInit());
+ return( IOKitBSDInit());
}
-#include <sys/disklabel.h> // for MAXPARTITIONS
+#include <sys/disklabel.h> /* for MAXPARTITIONS */
-setconf()
+static void
+setconf(void)
{
- extern kern_return_t IOFindBSDRoot( char * rootName,
- dev_t * root, u_int32_t * flags );
-
- extern int (*mountroot) __P((void));
- extern int nfs_mountroot(); /* nfs_vfsops.c */
-
u_int32_t flags;
kern_return_t err;
* which needs to be under network funnel. Right thing to do
* here is to drop the funnel alltogether and regrab it afterwards
*/
- thread_funnel_set(kernel_flock, FALSE);
- err = IOFindBSDRoot( rootdevice, &rootdev, &flags );
- thread_funnel_set(kernel_flock, TRUE);
+ err = IOFindBSDRoot(rootdevice, sizeof(rootdevice), &rootdev, &flags);
if( err) {
printf("setconf: IOFindBSDRoot returned an error (%d);"
"setting rootdevice to 'sd0a'.\n", err); /* XXX DEBUG TEMP */
rootdev = makedev( 6, 0 );
- strcpy( rootdevice, "sd0a" );
+ strlcpy(rootdevice, "sd0a", sizeof(rootdevice));
flags = 0;
}
- /* if network device then force nfs root */
+#if NFSCLIENT
if( flags & 1 ) {
- printf("mounting nfs root\n");
- mountroot = nfs_mountroot;
+ /* network device */
+ mountroot = netboot_mountroot;
} else {
+#endif
/* otherwise have vfs determine root filesystem */
mountroot = NULL;
+#if NFSCLIENT
}
+#endif
}
-bsd_utaskbootstrap()
+void
+bsd_utaskbootstrap(void)
{
- thread_act_t th_act;
-
- th_act = (thread_act_t)cloneproc(kernproc, 0);
- initproc = pfind(1);
- thread_hold(th_act);
- (void) thread_stop_wait(getshuttle_thread(th_act));
- thread_ast_set(th_act,AST_BSD_INIT);
- thread_release(th_act);
- thread_unstop(getshuttle_thread(th_act));
- (void) thread_resume(th_act);
+ thread_t thread;
+ struct uthread *ut;
+
+ thread = cloneproc(kernproc, 0);
+ /* Hold the reference as it will be dropped during shutdown */
+ initproc = proc_find(1);
+#if __PROC_INTERNAL_DEBUG
+ if (initproc == PROC_NULL)
+ panic("bsd_utaskbootstrap: initproc not set\n");
+#endif
+ /* Set the launch time for init */
+ microtime(&initproc->p_start);
+ microtime(&initproc->p_stats->p_start); /* for compat sake */
+
+
+ ut = (struct uthread *)get_bsdthread_info(thread);
+ ut->uu_sigmask = 0;
+ act_set_astbsd(thread);
+ (void) thread_resume(thread);
}
-parse_bsd_args()
+static void
+parse_bsd_args(void)
{
- extern char init_args[];
- char namep[16];
- extern int boothowto;
- extern int srv;
- extern int ncl;
+ char namep[16];
+ int msgbuf;
- int len;
-
- if (PE_parse_boot_arg("-s", namep)) {
+ if (PE_parse_boot_argn("-s", namep, sizeof (namep)))
boothowto |= RB_SINGLE;
- len = strlen(init_args);
- if(len != 0)
- strcat(init_args," -s");
- else
- strcat(init_args,"-s");
- }
- if (PE_parse_boot_arg("-b", namep)) {
+
+ if (PE_parse_boot_argn("-b", namep, sizeof (namep)))
boothowto |= RB_NOBOOTRC;
- len = strlen(init_args);
- if(len != 0)
- strcat(init_args," -b");
- else
- strcat(init_args,"-b");
- }
- if (PE_parse_boot_arg("-F", namep)) {
- len = strlen(init_args);
- if(len != 0)
- strcat(init_args," -F");
- else
- strcat(init_args,"-F");
- }
+ if (PE_parse_boot_argn("-x", namep, sizeof (namep))) /* safe boot */
+ boothowto |= RB_SAFEBOOT;
- if (PE_parse_boot_arg("-v", namep)) {
- len = strlen(init_args);
- if(len != 0)
- strcat(init_args," -v");
- else
- strcat(init_args,"-v");
- }
+ if (PE_parse_boot_argn("-l", namep, sizeof (namep))) /* leaks logging */
+ turn_on_log_leaks = 1;
- if (PE_parse_boot_arg("-x", namep)) { /* safe boot */
- len = strlen(init_args);
- if(len != 0)
- strcat(init_args," -x");
- else
- strcat(init_args,"-x");
+ PE_parse_boot_argn("srv", &srv, sizeof (srv));
+ PE_parse_boot_argn("ncl", &ncl, sizeof (ncl));
+ if (PE_parse_boot_argn("nbuf", &max_nbuf_headers, sizeof (max_nbuf_headers))) {
+ customnbuf = 1;
}
+#if !defined(SECURE_KERNEL)
+ PE_parse_boot_argn("kmem", &setup_kmem, sizeof (setup_kmem));
+#endif
+ PE_parse_boot_argn("trace", &new_nkdbufs, sizeof (new_nkdbufs));
- PE_parse_boot_arg("srv", &srv);
- PE_parse_boot_arg("ncl", &ncl);
- PE_parse_boot_arg("nbuf", &nbuf);
-
- return 0;
+ if (PE_parse_boot_argn("msgbuf", &msgbuf, sizeof (msgbuf))) {
+ log_setsize(msgbuf);
+ }
}
-boolean_t
-thread_funnel_switch(
- int oldfnl,
- int newfnl)
+#if !NFSCLIENT
+int
+netboot_root(void)
{
- thread_t cur_thread;
- boolean_t funnel_state_prev;
- int curfnl;
- funnel_t * curflock;
- funnel_t * oldflock;
- funnel_t * newflock;
- funnel_t * exist_funnel;
- extern int disable_funnel;
-
-
- if (disable_funnel)
- return(TRUE);
-
- if(oldfnl == newfnl) {
- panic("thread_funnel_switch: can't switch to same funnel");
- }
-
- if ((oldfnl != NETWORK_FUNNEL) && (oldfnl != KERNEL_FUNNEL))
- {
- panic("thread_funnel_switch: invalid oldfunnel");
- }
- if ((newfnl != NETWORK_FUNNEL) && (newfnl != KERNEL_FUNNEL))
- {
- panic("thread_funnel_switch: invalid oldfunnel");
- }
-
- if((curflock = thread_funnel_get()) == THR_FUNNEL_NULL) {
- panic("thread_funnel_switch: no funnel held");
- }
-
- cur_thread = current_thread();
-
- if ((oldfnl == NETWORK_FUNNEL) && (curflock != network_flock))
- panic("thread_funnel_switch: network funnel not held");
-
- if ((oldfnl == KERNEL_FUNNEL) && (curflock != kernel_flock))
- panic("thread_funnel_switch: network funnel not held");
-
- if(oldfnl == NETWORK_FUNNEL) {
- oldflock = network_flock;
- newflock = kernel_flock;
- } else {
- oldflock = kernel_flock;
- newflock = network_flock;
- }
- KERNEL_DEBUG(0x603242c | DBG_FUNC_NONE, oldflock, 1, 0, 0, 0);
- thread_funnel_set(oldflock, FALSE);
- KERNEL_DEBUG(0x6032428 | DBG_FUNC_NONE, newflock, 1, 0, 0, 0);
- thread_funnel_set(newflock, TRUE);
- KERNEL_DEBUG(0x6032434 | DBG_FUNC_NONE, newflock, 1, 0, 0, 0);
-
- return(TRUE);
+ return(0);
}
+#endif
projects / apple / xnu.git / blobdiff