/*
- * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/*
+ *
+ *
* Copyright (c) 1982, 1986, 1989, 1991, 1992, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/mman.h>
+#include <sys/kasl.h>
-#include <bsm/audit_kernel.h>
+#include <security/audit/audit.h>
#include <sys/malloc.h>
#include <sys/dkstat.h>
#include <kern/thread.h>
#include <kern/task.h>
#include <kern/ast.h>
+#include <kern/kalloc.h>
+#include <kern/ux_handler.h> /* for ux_handler_setup() */
#include <mach/vm_param.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
-#include <sys/ux_exception.h> /* for ux_exception_port */
-
#include <sys/reboot.h>
-#include <mach/exception_types.h>
#include <dev/busvar.h> /* for pseudo_inits */
#include <sys/kdebug.h>
+#include <sys/monotonic.h>
+#include <sys/reason.h>
#include <mach/mach_types.h>
#include <mach/vm_prot.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/eventhandler.h> /* for eventhandler_init() */
+#include <sys/kern_memorystatus.h> /* for memorystatus_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 <net/iptap.h> /* for iptap_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 <net/if_gif.h> /* for gif_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 <sys/tty.h> /* for tty_init() */
+#include <sys/proc_uuid_policy.h> /* proc_uuid_policy_init() */
+#include <netinet/flow_divert.h> /* flow_divert_init() */
+#include <net/content_filter.h> /* for cfil_init() */
+#include <net/necp.h> /* for necp_init() */
+#include <net/network_agent.h> /* for netagent_init() */
+#include <net/packet_mangler.h> /* for pkt_mnglr_init() */
+#include <net/if_utun.h> /* for utun_register_control() */
+#include <net/if_ipsec.h> /* for ipsec_register_control() */
+#include <net/net_str_id.h> /* for net_str_id_init() */
+#include <net/netsrc.h> /* for netsrc_init() */
+#include <net/ntstat.h> /* for nstat_init() */
+#include <netinet/tcp_cc.h> /* for tcp_cc_init() */
+#include <netinet/mptcp_var.h> /* for mptcp_control_register() */
+#include <net/nwk_wq.h> /* for nwk_wq_init */
+#include <kern/assert.h> /* for assert() */
+#include <sys/kern_overrides.h> /* for init_system_override() */
#include <net/init.h>
#include <machine/exec.h>
+#if NFSCLIENT
+#include <sys/netboot.h>
+#endif
+
#if CONFIG_IMAGEBOOT
#include <sys/imageboot.h>
#endif
+#if PFLOG
+#include <net/if_pflog.h>
+#endif
+
+
#include <pexpert/pexpert.h>
+#include <machine/pal_routines.h>
+#include <console/video_console.h>
+
+#if CONFIG_XNUPOST
+#include <tests/xnupost.h>
+#endif
void * get_user_regs(thread_t); /* XXX kludge for <machine/thread.h> */
void IOKitInitializeTime(void); /* XXX */
+void IOSleep(unsigned int); /* XXX */
void loopattach(void); /* XXX */
-char copyright[] =
+const char copyright[] =
"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\t"
"The Regents of the University of California. "
"All rights reserved.\n\n";
int hostnamelen;
char domainname[MAXDOMNAMELEN];
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 */
+char rootdevice[DEVMAXNAMESIZE];
#if KMEMSTATS
struct kmemstats kmemstats[M_LAST];
#endif
-int lbolt; /* awoken once a second */
struct vnode *rootvp;
int boothowto = RB_DEBUG;
+int minimalboot = 0;
+#if CONFIG_EMBEDDED
+int darkboot = 0;
+#endif
+
+#if PROC_REF_DEBUG
+__private_extern__ int proc_ref_tracking_disabled = 0; /* disable panics on leaked proc refs across syscall boundary */
+#endif
+
+#if OS_REASON_DEBUG
+__private_extern__ int os_reason_debug_disabled = 0; /* disable asserts for when we fail to allocate OS reasons */
+#endif
-void lightning_bolt(void *);
-extern kern_return_t IOFindBSDRoot(char *, dev_t *, u_int32_t *);
+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 void oslog_setsize(int size);
+extern void throttle_init(void);
+extern void acct_init(void);
-extern int srv;
+extern int serverperfmode;
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;
+
+static int bsd_simul_execs;
+static int bsd_pageable_map_size;
+__private_extern__ int execargs_cache_size = 0;
+__private_extern__ int execargs_free_count = 0;
+__private_extern__ vm_offset_t * execargs_cache = NULL;
+
+void bsd_exec_setup(int);
+
+#if __arm64__
+__private_extern__ int bootarg_no64exec = 0;
+#endif
+#if __x86_64__
+__private_extern__ int bootarg_no32exec = 0;
+#endif
+__private_extern__ int bootarg_vnode_cache_defeat = 0;
+
+#if CONFIG_JETSAM && (DEVELOPMENT || DEBUG)
+__private_extern__ int bootarg_no_vnode_jetsam = 0;
+#endif /* CONFIG_JETSAM && (DEVELOPMENT || DEBUG) */
+
+/*
+ * Prevent kernel-based ASLR from being used, for testing.
+ */
+#if DEVELOPMENT || DEBUG
+__private_extern__ int bootarg_disable_aslr = 0;
+#endif
+
+/*
+ * Allow an alternate dyld to be used for testing.
+ */
+
+#if DEVELOPMENT || DEBUG
+char dyld_alt_path[MAXPATHLEN];
+int use_alt_dyld = 0;
+#endif
int cmask = CMASK;
extern int customnbuf;
-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")));
+kern_return_t bsd_autoconf(void);
+void bsd_utaskbootstrap(void);
static void parse_bsd_args(void);
-extern task_t bsd_init_task;
-extern char init_task_failure_data[];
+#if CONFIG_DEV_KMEM
+extern void dev_kmem_init(void);
+#endif
extern void time_zone_slock_init(void);
+extern void select_waitq_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_MSG
extern void sysv_msg_lock_init(void);
#endif
-extern void pthread_init(void);
-/* kmem access not enabled by default; can be changed with boot-args */
-int setup_kmem = 0;
+extern void ulock_initialize(void);
-/* size of kernel trace buffer, disabled by default */
-unsigned int new_nkdbufs = 0;
+#if CONFIG_MACF
+#if defined (__i386__) || defined (__x86_64__)
+/* MACF policy_check configuration flags; see policy_check.c for details */
+int policy_check_flags = 0;
-/* mach leak logging */
-int log_leaks = 0;
-int turn_on_log_leaks = 0;
+extern int check_policy_init(int);
+#endif
+#endif /* CONFIG_MACF */
-extern void stackshot_lock_init(void);
+/* If we are using CONFIG_DTRACE */
+#if CONFIG_DTRACE
+ extern void dtrace_postinit(void);
+#endif
/*
* Initialization code.
static void
process_name(const char *s, proc_t p)
{
- size_t length = strlen(s);
-
- bcopy(s, p->p_comm,
- length >= sizeof(p->p_comm) ? sizeof(p->p_comm) :
- length + 1);
+ strlcpy(p->p_comm, s, sizeof(p->p_comm));
+ strlcpy(p->p_name, s, sizeof(p->p_name));
}
/* To allow these values to be patched, they're globals here */
#include <machine/vmparam.h>
-struct rlimit vm_initial_limit_stack = { DFLSSIZ, MAXSSIZ - PAGE_SIZE };
+struct rlimit vm_initial_limit_stack = { DFLSSIZ, MAXSSIZ - PAGE_MAX_SIZE };
struct rlimit vm_initial_limit_data = { DFLDSIZ, MAXDSIZ };
struct rlimit vm_initial_limit_core = { DFLCSIZ, MAXCSIZ };
-extern thread_t cloneproc(proc_t, int);
+extern thread_t cloneproc(task_t, coalition_t, proc_t, int, int);
extern int (*mountroot)(void);
-extern int netboot_mountroot(void); /* netboot.c */
-extern int netboot_setup(void);
lck_grp_t * proc_lck_grp;
+lck_grp_t * proc_slock_grp;
+lck_grp_t * proc_fdmlock_grp;
+lck_grp_t * proc_kqhashlock_grp;
+lck_grp_t * proc_knhashlock_grp;
+lck_grp_t * proc_ucred_mlock_grp;
+lck_grp_t * proc_mlock_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;
+#if CONFIG_XNUPOST
+lck_grp_t * sysctl_debug_test_stackshot_owner_grp;
+lck_mtx_t * sysctl_debug_test_stackshot_owner_init_mtx;
+#endif /* !CONFIG_XNUPOST */
+
+extern lck_mtx_t * execargs_cache_lock;
+
/* hook called after root is mounted XXX temporary hack */
void (*mountroot_post_hook)(void);
+void (*unmountroot_pre_hook)(void);
+
+/*
+ * This function is called before IOKit initialization, so that globals
+ * like the sysctl tree are initialized before kernel extensions
+ * are started (since they may want to register sysctls
+ */
+void
+bsd_early_init(void)
+{
+ sysctl_early_init();
+}
/*
* This function is called very early on in the Mach startup, from the
* of the uu_context.vc_ucred field so that the uthread structure can be
* used like any other.
*/
+
void
bsd_init(void)
{
- proc_t p;
struct uthread *ut;
unsigned int i;
-#if __i386__
- int error;
-#endif
struct vfs_context context;
kern_return_t ret;
struct ucred temp_cred;
+ struct posix_cred temp_pcred;
+#if NFSCLIENT || CONFIG_IMAGEBOOT
+ boolean_t netboot = FALSE;
+#endif
#define bsd_init_kprintf(x...) /* kprintf("bsd_init: " x) */
- kernel_flock = funnel_alloc(KERNEL_FUNNEL);
- if (kernel_flock == (funnel_t *)0 ) {
- panic("bsd_init: Failed to allocate kernel funnel");
- }
-
+ throttle_init();
+
printf(copyright);
bsd_init_kprintf("calling kmeminit\n");
bsd_init_kprintf("calling parse_bsd_args\n");
parse_bsd_args();
+#if CONFIG_DEV_KMEM
+ bsd_init_kprintf("calling dev_kmem_init\n");
+ dev_kmem_init();
+#endif
+
/* Initialize kauth subsystem before instancing the first credential */
bsd_init_kprintf("calling kauth_init\n");
kauth_init();
bsd_init_kprintf("calling procinit\n");
procinit();
- kernproc = &proc0;
+ /* Initialize the ttys (MUST be before kminit()/bsd_autoconf()!)*/
+ tty_init();
- p = kernproc;
+ kernproc = &proc0; /* implicitly bzero'ed */
/* kernel_task->proc = kernproc; */
- set_bsdtask_info(kernel_task,(void *)p);
- p->p_pid = 0;
- p->p_ppid = 0;
+ set_bsdtask_info(kernel_task,(void *)kernproc);
/* give kernproc a name */
bsd_init_kprintf("calling process_name\n");
- process_name("kernel_task", p);
+ process_name("kernel_task", kernproc);
/* 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);
+#if CONFIG_FINE_LOCK_GROUPS
+ proc_slock_grp = lck_grp_alloc_init("proc-slock", proc_lck_grp_attr);
+ proc_ucred_mlock_grp = lck_grp_alloc_init("proc-ucred-mlock", proc_lck_grp_attr);
+ proc_mlock_grp = lck_grp_alloc_init("proc-mlock", proc_lck_grp_attr);
+ proc_fdmlock_grp = lck_grp_alloc_init("proc-fdmlock", proc_lck_grp_attr);
+#endif
+ proc_kqhashlock_grp = lck_grp_alloc_init("proc-kqhashlock", proc_lck_grp_attr);
+ proc_knhashlock_grp = lck_grp_alloc_init("proc-knhashlock", proc_lck_grp_attr);
+#if CONFIG_XNUPOST
+ sysctl_debug_test_stackshot_owner_grp = lck_grp_alloc_init("test-stackshot-owner-grp", LCK_GRP_ATTR_NULL);
+ sysctl_debug_test_stackshot_owner_init_mtx = lck_mtx_alloc_init(
+ sysctl_debug_test_stackshot_owner_grp,
+ LCK_ATTR_NULL);
+#endif /* !CONFIG_XNUPOST */
/* Allocate proc lock attribute */
proc_lck_attr = lck_attr_alloc_init();
#if 0
#endif
#endif
+#if CONFIG_FINE_LOCK_GROUPS
+ proc_list_mlock = lck_mtx_alloc_init(proc_mlock_grp, proc_lck_attr);
+ proc_klist_mlock = lck_mtx_alloc_init(proc_mlock_grp, proc_lck_attr);
+ lck_mtx_init(&kernproc->p_mlock, proc_mlock_grp, proc_lck_attr);
+ lck_mtx_init(&kernproc->p_fdmlock, proc_fdmlock_grp, proc_lck_attr);
+ lck_mtx_init(&kernproc->p_ucred_mlock, proc_ucred_mlock_grp, proc_lck_attr);
+ lck_spin_init(&kernproc->p_slock, proc_slock_grp, proc_lck_attr);
+#else
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);
+ lck_mtx_init(&kernproc->p_mlock, proc_lck_grp, proc_lck_attr);
+ lck_mtx_init(&kernproc->p_fdmlock, proc_lck_grp, proc_lck_attr);
+ lck_mtx_init(&kernproc->p_ucred_mlock, proc_lck_grp, proc_lck_attr);
+ lck_spin_init(&kernproc->p_slock, proc_lck_grp, proc_lck_attr);
+#endif
+ assert(bsd_simul_execs != 0);
+ execargs_cache_lock = lck_mtx_alloc_init(proc_lck_grp, proc_lck_attr);
+ execargs_cache_size = bsd_simul_execs;
+ execargs_free_count = bsd_simul_execs;
+ execargs_cache = (vm_offset_t *)kalloc(bsd_simul_execs * sizeof(vm_offset_t));
+ bzero(execargs_cache, bsd_simul_execs * sizeof(vm_offset_t));
+
if (current_task() != kernel_task)
printf("bsd_init: We have a problem, "
"current task is not kernel task\n");
* Initialize the MAC Framework
*/
mac_policy_initbsd();
- p->p_mac_enforce = 0;
+
+#if defined (__i386__) || defined (__x86_64__)
+ /*
+ * We currently only support this on i386/x86_64, as that is the
+ * only lock code we have instrumented so far.
+ */
+ check_policy_init(policy_check_flags);
+#endif
#endif /* MAC */
+ ulock_initialize();
+
/*
* Create process 0.
*/
proc_list_lock();
- LIST_INSERT_HEAD(&allproc, p, p_list);
- p->p_pgrp = &pgrp0;
+ LIST_INSERT_HEAD(&allproc, kernproc, p_list);
+ kernproc->p_pgrp = &pgrp0;
LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash);
LIST_INIT(&pgrp0.pg_members);
+#ifdef CONFIG_FINE_LOCK_GROUPS
+ lck_mtx_init(&pgrp0.pg_mlock, proc_mlock_grp, proc_lck_attr);
+#else
lck_mtx_init(&pgrp0.pg_mlock, proc_lck_grp, proc_lck_attr);
+#endif
/* 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;
+ LIST_INSERT_HEAD(&pgrp0.pg_members, kernproc, p_pglist);
+ kernproc->p_listflag |= P_LIST_INPGRP;
+ kernproc->p_pgrpid = 0;
+ kernproc->p_uniqueid = 0;
pgrp0.pg_session = &session0;
pgrp0.pg_membercnt = 1;
session0.s_count = 1;
- session0.s_leader = p;
+ session0.s_leader = kernproc;
session0.s_listflags = 0;
+#ifdef CONFIG_FINE_LOCK_GROUPS
+ lck_mtx_init(&session0.s_mlock, proc_mlock_grp, proc_lck_attr);
+#else
lck_mtx_init(&session0.s_mlock, proc_lck_grp, proc_lck_attr);
+#endif
LIST_INSERT_HEAD(SESSHASH(0), &session0, s_hash);
proc_list_unlock();
-#if CONFIG_LCTX
- p->p_lctx = NULL;
+#if CONFIG_PERSONAS
+ kernproc->p_persona = NULL;
#endif
- p->task = kernel_task;
+ kernproc->task = kernel_task;
- p->p_stat = SRUN;
- p->p_flag = P_SYSTEM;
- p->p_nice = NZERO;
- p->p_pptr = p;
+ kernproc->p_stat = SRUN;
+ kernproc->p_flag = P_SYSTEM;
+ kernproc->p_lflag = 0;
+ kernproc->p_ladvflag = 0;
- TAILQ_INIT(&p->p_uthlist);
- TAILQ_INSERT_TAIL(&p->p_uthlist, ut, uu_list);
+#if defined(__LP64__)
+ kernproc->p_flag |= P_LP64;
+#endif
+
+#if DEVELOPMENT || DEBUG
+ if (bootarg_disable_aslr)
+ kernproc->p_flag |= P_DISABLE_ASLR;
+#endif
+
+ kernproc->p_nice = NZERO;
+ kernproc->p_pptr = kernproc;
+
+ TAILQ_INIT(&kernproc->p_uthlist);
+ TAILQ_INSERT_TAIL(&kernproc->p_uthlist, ut, uu_list);
- p->sigwait = FALSE;
- p->sigwait_thread = THREAD_NULL;
- p->exit_thread = THREAD_NULL;
- p->p_csflags = CS_VALID;
+ kernproc->sigwait = FALSE;
+ kernproc->sigwait_thread = THREAD_NULL;
+ kernproc->exit_thread = THREAD_NULL;
+ kernproc->p_csflags = CS_VALID;
/*
* 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;
-
+ bzero(&temp_pcred, sizeof(temp_pcred));
+ temp_pcred.cr_ngroups = 1;
+ /* kern_proc, shouldn't call up to DS for group membership */
+ temp_pcred.cr_flags = CRF_NOMEMBERD;
+ temp_cred.cr_audit.as_aia_p = audit_default_aia_p;
+
bsd_init_kprintf("calling kauth_cred_create\n");
- p->p_ucred = kauth_cred_create(&temp_cred);
+ /*
+ * We have to label the temp cred before we create from it to
+ * properly set cr_ngroups, or the create will fail.
+ */
+ posix_cred_label(&temp_cred, &temp_pcred);
+ kernproc->p_ucred = kauth_cred_create(&temp_cred);
+
+ /* update cred on proc */
+ PROC_UPDATE_CREDS_ONPROC(kernproc);
/* 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;
+ kauth_cred_ref(kernproc->p_ucred);
+ ut->uu_context.vc_ucred = kernproc->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;
+ TAILQ_INIT(&kernproc->p_aio_activeq);
+ TAILQ_INIT(&kernproc->p_aio_doneq);
+ kernproc->p_aio_total_count = 0;
+ kernproc->p_aio_active_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);
+ mac_cred_label_associate_kernel(kernproc->p_ucred);
#endif
/* Create the file descriptor table. */
- filedesc0.fd_refcnt = 1+1; /* +1 so shutdown will not _FREE_ZONE */
- p->p_fd = &filedesc0;
+ kernproc->p_fd = &filedesc0;
filedesc0.fd_cmask = cmask;
filedesc0.fd_knlistsize = -1;
filedesc0.fd_knlist = NULL;
filedesc0.fd_knhash = NULL;
filedesc0.fd_knhashmask = 0;
+ lck_mtx_init(&filedesc0.fd_kqhashlock, proc_kqhashlock_grp, proc_lck_attr);
+ lck_mtx_init(&filedesc0.fd_knhashlock, proc_knhashlock_grp, proc_lck_attr);
/* Create the limits structures. */
- p->p_limit = &limit0;
- for (i = 0; i < sizeof(p->p_rlimit)/sizeof(p->p_rlimit[0]); i++)
+ kernproc->p_limit = &limit0;
+ for (i = 0; i < sizeof(kernproc->p_rlimit)/sizeof(kernproc->p_rlimit[0]); i++)
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_CORE] = vm_initial_limit_core;
limit0.pl_refcnt = 1;
- p->p_stats = &pstats0;
- p->p_sigacts = &sigacts0;
+ kernproc->p_stats = &pstats0;
+ kernproc->p_sigacts = &sigacts0;
/*
- * Charge root for two processes: init and mach_init.
+ * Charge root for one process: launchd.
*/
bsd_init_kprintf("calling chgproccnt\n");
(void)chgproccnt(0, 1);
vm_offset_t minimum;
bsd_init_kprintf("calling kmem_suballoc\n");
+ assert(bsd_pageable_map_size != 0);
ret = kmem_suballoc(kernel_map,
&minimum,
- (vm_size_t)BSD_PAGABLE_MAP_SIZE,
+ (vm_size_t)bsd_pageable_map_size,
TRUE,
VM_FLAGS_ANYWHERE,
+ VM_MAP_KERNEL_FLAGS_NONE,
+ VM_KERN_MEMORY_BSD,
&bsd_pageable_map);
if (ret != KERN_SUCCESS)
panic("bsd_init: Failed to allocate bsd pageable map");
}
+ bsd_init_kprintf("calling fpxlog_init\n");
+ fpxlog_init();
+
/*
* Initialize buffers and hash links for buffers
*
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.
*/
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();
bsd_init_kprintf("calling vfsinit\n");
vfsinit();
+#if CONFIG_PROC_UUID_POLICY
+ /* Initial proc_uuid_policy subsystem */
+ bsd_init_kprintf("calling proc_uuid_policy_init()\n");
+ proc_uuid_policy_init();
+#endif
+
#if SOCKETS
/* Initialize per-CPU cache allocator */
mcache_init();
/* Initialize mbuf's. */
bsd_init_kprintf("calling mbinit\n");
mbinit();
+ net_str_id_init(); /* for mbuf tags */
#endif /* SOCKETS */
/*
* Initializes security event auditing.
* XXX: Should/could this occur later?
*/
-#if AUDIT
+#if CONFIG_AUDIT
bsd_init_kprintf("calling audit_init\n");
audit_init();
#endif
bsd_init_kprintf("calling knote_init\n");
knote_init();
-#if CONFIG_EMBEDDED
- /* Initialize kernel memory status notifications */
- bsd_init_kprintf("calling kern_memorystatus_init\n");
- kern_memorystatus_init();
-#endif
+ /* Initialize event handler */
+ bsd_init_kprintf("calling eventhandler_init\n");
+ eventhandler_init();
/* Initialize for async IO */
bsd_init_kprintf("calling aio_init\n");
psem_cache_init();
bsd_init_kprintf("calling time_zone_slock_init\n");
time_zone_slock_init();
+ bsd_init_kprintf("calling select_waitq_init\n");
+ select_waitq_init();
- /* Stack snapshot facility lock */
- stackshot_lock_init();
/*
* Initialize protocols. Block reception of incoming packets
* until everything is ready.
*/
- 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 nwk_wq_init\n");
+ nwk_wq_init();
bsd_init_kprintf("calling dlil_init\n");
dlil_init();
bsd_init_kprintf("calling proto_kpi_init\n");
socketinit();
bsd_init_kprintf("calling domaininit\n");
domaininit();
+ iptap_init();
+#if FLOW_DIVERT
+ flow_divert_init();
+#endif /* FLOW_DIVERT */
#endif /* SOCKETS */
+ kernproc->p_fd->fd_cdir = NULL;
+ kernproc->p_fd->fd_rdir = NULL;
- p->p_fd->fd_cdir = NULL;
- p->p_fd->fd_rdir = NULL;
+#if CONFIG_FREEZE
+#ifndef CONFIG_MEMORYSTATUS
+ #error "CONFIG_FREEZE defined without matching CONFIG_MEMORYSTATUS"
+#endif
+ /* Initialise background freezing */
+ bsd_init_kprintf("calling memorystatus_freeze_init\n");
+ memorystatus_freeze_init();
+#endif
+
+#if CONFIG_MEMORYSTATUS
+ /* Initialize kernel memory status notifications */
+ bsd_init_kprintf("calling memorystatus_init\n");
+ memorystatus_init();
+#endif /* CONFIG_MEMORYSTATUS */
+
+ bsd_init_kprintf("calling acct_init\n");
+ acct_init();
#ifdef GPROF
/* Initialize kernel profiling. */
kmstartup();
#endif
- /* kick off timeout driven events by calling first time */
- thread_wakeup(&lbolt);
- timeout(lightning_bolt, 0, hz);
+ bsd_init_kprintf("calling sysctl_mib_init\n");
+ sysctl_mib_init()
bsd_init_kprintf("calling bsd_autoconf\n");
bsd_autoconf();
+ bsd_init_kprintf("calling os_reason_init\n");
+ os_reason_init();
+
#if CONFIG_DTRACE
- extern void dtrace_postinit(void);
dtrace_postinit();
#endif
bsd_init_kprintf("calling loopattach\n");
loopattach(); /* XXX */
#endif
-
+#if NGIF
+ /* Initialize gif interface (after lo0) */
+ gif_init();
+#endif
+
+#if PFLOG
+ /* Initialize packet filter log interface */
+ pfloginit();
+#endif /* PFLOG */
+
#if NETHER > 0
/* Register the built-in dlil ethernet interface family */
bsd_init_kprintf("calling ether_family_init\n");
/* Call any kext code that wants to run just after network init */
bsd_init_kprintf("calling net_init_run\n");
net_init_run();
+
+#if CONTENT_FILTER
+ cfil_init();
+#endif
+
+#if PACKET_MANGLER
+ pkt_mnglr_init();
+#endif
+
+#if NECP
+ /* Initialize Network Extension Control Policies */
+ necp_init();
+#endif
+
+ netagent_init();
+
+ /* register user tunnel kernel control handler */
+ utun_register_control();
+#if IPSEC
+ ipsec_register_control();
+#endif /* IPSEC */
+ netsrc_init();
+ nstat_init();
+ tcp_cc_init();
+#if MPTCP
+ mptcp_control_register();
+#endif /* MPTCP */
#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();
+#if NFSCLIENT
+ netboot = (mountroot == netboot_mountroot);
+#endif
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());
+ if (netboot) {
+ PE_display_icon( 0, "noroot"); /* XXX a netboot-specific icon would be nicer */
+ vc_progress_set(FALSE, 0);
+ for (i=1; 1; i*=2) {
+ printf("bsd_init: failed to mount network root, error %d, %s\n",
+ err, PE_boot_args());
+ printf("We are hanging here...\n");
+ IOSleep(i*60*1000);
+ }
+ /*NOTREACHED*/
}
#endif
printf("cannot mount root, errno = %d\n", err);
IOSecureBSDRoot(rootdevice);
context.vc_thread = current_thread();
- context.vc_ucred = p->p_ucred;
+ context.vc_ucred = kernproc->p_ucred;
mountlist.tqh_first->mnt_flag |= MNT_ROOTFS;
bsd_init_kprintf("calling VFS_ROOT\n");
filedesc0.fd_cdir = rootvnode;
#if NFSCLIENT
- if (mountroot == netboot_mountroot) {
+ if (netboot) {
int err;
+
+ netboot = TRUE;
/* post mount setup */
if ((err = netboot_setup()) != 0) {
- panic("bsd_init: NetBoot could not find root, %d: %s", err, PE_boot_args());
+ PE_display_icon( 0, "noroot"); /* XXX a netboot-specific icon would be nicer */
+ vc_progress_set(FALSE, 0);
+ for (i=1; 1; i*=2) {
+ printf("bsd_init: NetBoot could not find root, error %d: %s\n",
+ err, PE_boot_args());
+ printf("We are hanging here...\n");
+ IOSleep(i*60*1000);
+ }
+ /*NOTREACHED*/
}
}
#endif
* 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);
- }
+ if (netboot == FALSE && imageboot_needed()) {
+ /*
+ * An image was found. No turning back: we're booted
+ * with a kernel from the disk image.
+ */
+ imageboot_setup();
}
#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;
+ /* set initial time; all other resource data is already zero'ed */
+ microtime_with_abstime(&kernproc->p_start, &kernproc->p_stats->ps_start);
#if DEVFS
{
devfs_kernel_mount(mounthere);
}
#endif /* DEVFS */
-
+
/* Initialize signal state for process 0. */
bsd_init_kprintf("calling siginit\n");
- siginit(p);
+ siginit(kernproc);
bsd_init_kprintf("calling bsd_utaskbootstrap\n");
bsd_utaskbootstrap();
-#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
+ pal_kernel_announce();
bsd_init_kprintf("calling mountroot_post_hook\n");
mountroot_post_hook();
#if 0 /* not yet */
- IOKitJettisonKLD();
- consider_zone_gc();
+ consider_zone_gc(FALSE);
#endif
+
+ /* Initialize System Override call */
+ init_system_override();
bsd_init_kprintf("done\n");
}
-/* Called with kernel funnel held */
void
bsdinit_task(void)
{
proc_t p = current_proc();
- struct uthread *ut;
- thread_t thread;
process_name("init", p);
- ux_handler_init();
-
- 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 |
- EXC_MASK_CRASH),
- (mach_port_t)ux_exception_port,
- EXCEPTION_DEFAULT| MACH_EXCEPTION_CODES,
- 0);
-
- ut = (uthread_t)get_bsdthread_info(thread);
-
- bsd_init_task = get_threadtask(thread);
- init_task_failure_data[0] = 0;
+ /* Set up exception-to-signal reflection */
+ ux_handler_setup();
#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(__unused void *dummy)
-{
- boolean_t funnel_state;
+ vm_init_before_launchd();
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
+#if CONFIG_XNUPOST
+ int result = bsd_list_tests();
+ result = bsd_do_post();
+ if (result != 0) {
+ panic("bsd_do_post: Tests failed with result = 0x%08x\n", result);
+ }
+#endif
- thread_wakeup(&lbolt);
- timeout(lightning_bolt,0,hz);
- klogwakeup();
+ bsd_init_kprintf("bsd_do_post - done");
- (void) thread_funnel_set(kernel_flock, FALSE);
+ load_init_program(p);
+ lock_trace = 1;
}
kern_return_t
u_int32_t flags;
kern_return_t err;
- /*
- * calls into IOKit can generate networking registrations
- * which needs to be under network funnel. Right thing to do
- * here is to drop the funnel alltogether and regrab it afterwards
- */
- err = IOFindBSDRoot( rootdevice, &rootdev, &flags );
+ 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 */
thread_t thread;
struct uthread *ut;
- thread = cloneproc(kernproc, 0);
+ /*
+ * Clone the bootstrap process from the kernel process, without
+ * inheriting either task characteristics or memory from the kernel;
+ */
+ thread = cloneproc(TASK_NULL, COALITION_NULL, kernproc, FALSE, TRUE);
+
/* 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 */
-
+ /*
+ * Since we aren't going back out the normal way to our parent,
+ * we have to drop the transition locks explicitly.
+ */
+ proc_signalend(initproc, 0);
+ proc_transend(initproc, 0);
ut = (struct uthread *)get_bsdthread_info(thread);
ut->uu_sigmask = 0;
act_set_astbsd(thread);
- (void) thread_resume(thread);
+ task_clear_return_wait(get_threadtask(thread));
}
static void
char namep[16];
int msgbuf;
- if (PE_parse_boot_arg("-s", namep))
+ if ( PE_parse_boot_argn("-s", namep, sizeof (namep)))
boothowto |= RB_SINGLE;
- if (PE_parse_boot_arg("-b", namep))
+ if (PE_parse_boot_argn("-b", namep, sizeof (namep)))
boothowto |= RB_NOBOOTRC;
- if (PE_parse_boot_arg("-x", namep)) /* safe boot */
+ if (PE_parse_boot_argn("-x", namep, sizeof (namep))) /* safe boot */
boothowto |= RB_SAFEBOOT;
- if (PE_parse_boot_arg("-l", namep)) /* leaks logging */
- turn_on_log_leaks = 1;
+ if (PE_parse_boot_argn("-minimalboot", namep, sizeof(namep))) {
+ /*
+ * -minimalboot indicates that we want userspace to be bootstrapped to a
+ * minimal environment. What constitutes minimal is up to the bootstrap
+ * process.
+ */
+ minimalboot = 1;
+ }
+
+#if __arm64__
+ /* disable 64 bit grading */
+ if (PE_parse_boot_argn("-no64exec", namep, sizeof (namep)))
+ bootarg_no64exec = 1;
+#endif
+#if __x86_64__
+ /* disable 32 bit grading */
+ if (PE_parse_boot_argn("-no32exec", namep, sizeof (namep)))
+ bootarg_no32exec = 1;
+#endif
+
+ /* disable vnode_cache_is_authorized() by setting vnode_cache_defeat */
+ if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof (namep)))
+ bootarg_vnode_cache_defeat = 1;
- PE_parse_boot_arg("srv", &srv);
- PE_parse_boot_arg("ncl", &ncl);
- if (PE_parse_boot_arg("nbuf", &max_nbuf_headers)) {
+#if DEVELOPMENT || DEBUG
+ if (PE_parse_boot_argn("-disable_aslr", namep, sizeof (namep)))
+ bootarg_disable_aslr = 1;
+#endif
+
+ 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_arg("kmem", &setup_kmem);
+
+#if CONFIG_MACF
+#if defined (__i386__) || defined (__x86_64__)
+ PE_parse_boot_argn("policy_check", &policy_check_flags, sizeof (policy_check_flags));
#endif
- PE_parse_boot_arg("trace", &new_nkdbufs);
+#endif /* CONFIG_MACF */
- if (PE_parse_boot_arg("msgbuf", &msgbuf)) {
+ if (PE_parse_boot_argn("msgbuf", &msgbuf, sizeof (msgbuf))) {
log_setsize(msgbuf);
+ oslog_setsize(msgbuf);
+ }
+
+ if (PE_parse_boot_argn("-novfscache", namep, sizeof(namep))) {
+ nc_disabled = 1;
}
+
+#if CONFIG_JETSAM && (DEVELOPMENT || DEBUG)
+ if (PE_parse_boot_argn("-no_vnode_jetsam", namep, sizeof(namep)))
+ bootarg_no_vnode_jetsam = 1;
+#endif /* CONFIG_JETSAM && (DEVELOPMENT || DEBUG) */
+
+
+#if CONFIG_EMBEDDED
+ /*
+ * The darkboot flag is specified by the bootloader and is stored in
+ * boot_args->bootFlags. This flag is available starting revision 2.
+ */
+ boot_args *args = (boot_args *) PE_state.bootArgs;
+ if ((args != NULL) && (args->Revision >= kBootArgsRevision2)) {
+ darkboot = (args->bootFlags & kBootFlagsDarkBoot) ? 1 : 0;
+ } else {
+ darkboot = 0;
+ }
+#endif
+
+#if PROC_REF_DEBUG
+ if (PE_parse_boot_argn("-disable_procref_tracking", namep, sizeof(namep))) {
+ proc_ref_tracking_disabled = 1;
+ }
+#endif
+
+#if OS_REASON_DEBUG
+ if (PE_parse_boot_argn("-disable_osreason_debug", namep, sizeof(namep))) {
+ os_reason_debug_disabled = 1;
+ }
+#endif
+
+ PE_parse_boot_argn("sigrestrict", &sigrestrict_arg, sizeof(sigrestrict_arg));
+
+#if DEVELOPMENT|| DEBUG
+ if (PE_parse_boot_argn("-no_sigsys", namep, sizeof(namep))) {
+ send_sigsys = false;
+ }
+#endif
+
+#if (DEVELOPMENT|| DEBUG)
+ if (PE_parse_boot_argn("alt-dyld", dyld_alt_path, sizeof(dyld_alt_path))) {
+ if (strlen(dyld_alt_path) > 0) {
+ use_alt_dyld = 1;
+ }
+ }
+#endif
+}
+
+void
+bsd_exec_setup(int scale)
+{
+
+ switch (scale) {
+ case 0:
+ case 1:
+ bsd_simul_execs = BSD_SIMUL_EXECS;
+ break;
+ case 2:
+ case 3:
+ bsd_simul_execs = 65;
+ break;
+ case 4:
+ case 5:
+ bsd_simul_execs = 129;
+ break;
+ case 6:
+ case 7:
+ bsd_simul_execs = 257;
+ break;
+ default:
+ bsd_simul_execs = 513;
+ break;
+
+ }
+ bsd_pageable_map_size = (bsd_simul_execs * BSD_PAGEABLE_SIZE_PER_EXEC);
}
#if !NFSCLIENT
+int
+netboot_root(void);
+
int
netboot_root(void)
{
projects / apple / xnu.git / blobdiff