/*
- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2015 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/mman.h>
+#include <sys/kasl.h>
#include <security/audit/audit.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 <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 <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/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/if_pflog.h>
#endif
+
#include <pexpert/pexpert.h>
#include <machine/pal_routines.h>
#include <console/video_console.h>
+
void * get_user_regs(thread_t); /* XXX kludge for <machine/thread.h> */
void IOKitInitializeTime(void); /* XXX */
void IOSleep(unsigned int); /* XXX */
char domainname[MAXDOMNAMELEN];
int domainnamelen;
-char rootdevice[16]; /* hfs device names have at least 9 chars */
+char rootdevice[DEVMAXNAMESIZE];
#if KMEMSTATS
struct kmemstats kmemstats[M_LAST];
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
extern kern_return_t IOFindBSDRoot(char *, unsigned int, dev_t *, u_int32_t *);
extern void IOSecureBSDRoot(const char * rootName);
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 macx_init(void);
extern void acct_init(void);
extern int serverperfmode;
void bsd_exec_setup(int);
+#if __arm64__
+__private_extern__ int bootarg_no64exec = 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.
*/
__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);
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_wait_queue_init(void);
+extern void select_waitq_init(void);
static void process_name(const char *, proc_t);
static void setconf(void);
extern void sysv_msg_lock_init(void);
#endif
+extern void ulock_initialize(void);
+
#if CONFIG_MACF
#if defined (__i386__) || defined (__x86_64__)
/* MACF policy_check configuration flags; see policy_check.c for details */
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 */
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;
+
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
* function start_kernel_threads() in osfmk/kern/startup.c. It's called
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_fdmlock_grp = lck_grp_alloc_init("proc-fdmlock", 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);
/* Allocate proc lock attribute */
proc_lck_attr = lck_attr_alloc_init();
#if 0
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(&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
* Initialize the MAC Framework
*/
mac_policy_initbsd();
- kernproc->p_mac_enforce = 0;
#if defined (__i386__) || defined (__x86_64__)
/*
/* Initialize System Override call */
init_system_override();
+
+ ulock_initialize();
/*
* Create process 0.
LIST_INSERT_HEAD(SESSHASH(0), &session0, s_hash);
proc_list_unlock();
-#if CONFIG_LCTX
- kernproc->p_lctx = NULL;
+#if CONFIG_PERSONAS
+ kernproc->p_persona = NULL;
#endif
kernproc->task = kernel_task;
kernproc->p_flag = P_SYSTEM;
kernproc->p_lflag = 0;
kernproc->p_ladvflag = 0;
-
+
+#if defined(__LP64__)
+ kernproc->p_flag |= P_LP64;
+#endif
+
#if DEVELOPMENT || DEBUG
if (bootarg_disable_aslr)
kernproc->p_flag |= P_DISABLE_ASLR;
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. */
kernproc->p_limit = &limit0;
(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");
-
- if (ret != KERN_SUCCESS)
- panic("bsd_init: Failed to create execve semaphore");
-
/*
* Initialize the calendar.
*/
bsd_init_kprintf("calling ubc_init\n");
ubc_init();
- /*
- * Initialize device-switches.
- */
- bsd_init_kprintf("calling devsw_init() \n");
- devsw_init();
-
/* Initialize the file systems. */
bsd_init_kprintf("calling vfsinit\n");
vfsinit();
bsd_init_kprintf("calling knote_init\n");
knote_init();
+ /* Initialize event handler */
+ bsd_init_kprintf("calling eventhandler_init\n");
+ eventhandler_init();
+
/* Initialize for async IO */
bsd_init_kprintf("calling aio_init\n");
aio_init();
psem_cache_init();
bsd_init_kprintf("calling time_zone_slock_init\n");
time_zone_slock_init();
- bsd_init_kprintf("calling select_wait_queue_init\n");
- select_wait_queue_init();
+ bsd_init_kprintf("calling select_waitq_init\n");
+ select_waitq_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");
flow_divert_init();
#endif /* FLOW_DIVERT */
#endif /* SOCKETS */
-
kernproc->p_fd->fd_cdir = NULL;
kernproc->p_fd->fd_rdir = NULL;
memorystatus_init();
#endif /* CONFIG_MEMORYSTATUS */
- bsd_init_kprintf("calling macx_init\n");
- macx_init();
-
bsd_init_kprintf("calling acct_init\n");
acct_init();
kmstartup();
#endif
+ 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
dtrace_postinit();
#endif
/* Initialize Network Extension Control Policies */
necp_init();
#endif
-
+
+ netagent_init();
+
/* register user tunnel kernel control handler */
utun_register_control();
#if 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");
devfs_kernel_mount(mounthere);
}
#endif /* DEVFS */
-
+
/* Initialize signal state for process 0. */
bsd_init_kprintf("calling siginit\n");
siginit(kernproc);
bsd_init_kprintf("calling bsd_utaskbootstrap\n");
bsd_utaskbootstrap();
-#if defined(__LP64__)
- kernproc->p_flag |= P_LP64;
-#endif
-
pal_kernel_announce();
bsd_init_kprintf("calling mountroot_post_hook\n");
ut = (uthread_t)get_bsdthread_info(thread);
- bsd_init_task = get_threadtask(thread);
- init_task_failure_data[0] = 0;
-
#if CONFIG_MACF
mac_cred_label_associate_user(p->p_ucred);
#endif
+
+ vm_init_before_launchd();
+
+
+ bsd_init_kprintf("bsd_do_post - done");
+
load_init_program(p);
lock_trace = 1;
}
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
if (PE_parse_boot_argn("-x", namep, sizeof (namep))) /* safe boot */
boothowto |= RB_SAFEBOOT;
+ 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
/* disable vnode_cache_is_authorized() by setting vnode_cache_defeat */
if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof (namep)))
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
projects / apple / xnu.git / blobdiff