#include <sys/param.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/mount_internal.h>
#include <sys/proc_internal.h>
#include <sys/kauth.h>
#include <sys/systm.h>
#include <sys/vnode_internal.h>
#include <sys/conf.h>
#include <sys/buf_internal.h>
#include <sys/clist.h>
#include <sys/user.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/mman.h>
#include <sys/kasl.h>
#include <security/audit/audit.h>
#include <sys/malloc.h>
#include <sys/dkstat.h>
#include <sys/codesign.h>
#include <kern/startup.h>
#include <kern/thread.h>
#include <kern/task.h>
#include <kern/ast.h>
#include <kern/kalloc.h>
#include <kern/ux_handler.h>
#include <mach/vm_param.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
#include <sys/reboot.h>
#include <dev/busvar.h>
#include <sys/kdebug.h>
#include <sys/monotonic.h>
#include <sys/reason.h>
#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>
#include <sys/ubc_internal.h>
#include <sys/mcache.h>
#include <sys/mbuf.h>
#include <sys/event.h>
#include <sys/eventhandler.h>
#include <sys/kern_memorystatus.h>
#include <sys/kern_memorystatus_freeze.h>
#include <sys/aio_kern.h>
#include <sys/semaphore.h>
#include <net/dlil.h>
#include <net/kpi_protocol.h>
#include <net/iptap.h>
#include <sys/pipe.h>
#include <sys/socketvar.h>
#include <sys/protosw.h>
#include <kern/sched_prim.h>
#include <net/if_ether.h>
#include <net/if_gif.h>
#include <vm/vm_protos.h>
#include <miscfs/devfs/devfsdefs.h>
#include <vm/vm_kern.h>
#include <sys/semaphore.h>
#include <sys/msgbuf.h>
#include <sys/tty.h>
#include <sys/proc_uuid_policy.h>
#include <netinet/flow_divert.h>
#include <net/content_filter.h>
#include <net/necp.h>
#include <net/network_agent.h>
#include <net/packet_mangler.h>
#include <net/if_utun.h>
#include <net/if_ipsec.h>
#include <net/net_str_id.h>
#include <net/netsrc.h>
#include <net/ntstat.h>
#include <netinet/tcp_cc.h>
#include <netinet/mptcp_var.h>
#include <net/nwk_wq.h>
#include <net/restricted_in_port.h>
#include <kern/assert.h>
#include <sys/kern_overrides.h>
#include <net/init.h>
#if CONFIG_MACF
#include <security/mac_framework.h>
#include <security/mac_internal.h>
#include <security/mac_mach_internal.h>
#endif
#include <machine/exec.h>
#if CONFIG_NETBOOT
#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);
void IOKitInitializeTime(void);
void IOSleep(unsigned int);
void loopattach(void);
const char copyright[] =
"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\t"
"The Regents of the University of California. "
"All rights reserved.\n\n";
struct proc proc0;
struct session session0;
struct pgrp pgrp0;
struct filedesc filedesc0;
struct plimit limit0;
struct pstats pstats0;
struct sigacts sigacts0;
proc_t kernproc;
proc_t initproc;
long tk_cancc;
long tk_nin;
long tk_nout;
long tk_rawcc;
int lock_trace = 0;
int nswdev, nswap;
int nswapmap;
void *swapmap;
struct swdevt swdevt[1];
dev_t rootdev;
dev_t dumpdev;
long dumplo;
long hostid;
char hostname[MAXHOSTNAMELEN];
lck_mtx_t hostname_lock;
lck_grp_t *hostname_lck_grp;
char domainname[MAXDOMNAMELEN];
lck_mtx_t domainname_lock;
char rootdevice[DEVMAXNAMESIZE];
#if KMEMSTATS
struct kmemstats kmemstats[M_LAST];
#endif
struct vnode *rootvp;
int boothowto;
int minimalboot = 0;
#if CONFIG_EMBEDDED
int darkboot = 0;
#endif
#if __arm64__
int legacy_footprint_entitlement_mode = LEGACY_FOOTPRINT_ENTITLEMENT_IGNORE;
#endif
#if PROC_REF_DEBUG
__private_extern__ int proc_ref_tracking_disabled = 0;
#endif
#if OS_REASON_DEBUG
__private_extern__ int os_reason_debug_disabled = 0;
#endif
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 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);
#if CONFIG_LOCKERBOOT
#define LOCKER_PROTOBOOT_MOUNT "/protoboot"
const char kernel_protoboot_mount[] = LOCKER_PROTOBOOT_MOUNT;
extern int mount_locker_protoboot(const char *fsname, const char *mntpoint,
const char *pbdevpath);
#endif
extern int serverperfmode;
extern int ncl;
#if DEVELOPMENT || DEBUG
extern int syscallfilter_disable;
#endif // DEVELOPMENT || DEBUG
vm_map_t bsd_pageable_map;
vm_map_t mb_map;
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);
__private_extern__ int bootarg_execfailurereports = 0;
#if __x86_64__
__private_extern__ int bootarg_no32exec = 1;
#endif
__private_extern__ int bootarg_vnode_cache_defeat = 0;
#if CONFIG_JETSAM && (DEVELOPMENT || DEBUG)
__private_extern__ int bootarg_no_vnode_jetsam = 0;
#endif
#if DEVELOPMENT || DEBUG
__private_extern__ int bootarg_disable_aslr = 0;
#endif
#if DEVELOPMENT || DEBUG
char dyld_alt_path[MAXPATHLEN];
int use_alt_dyld = 0;
extern uint64_t dyld_flags;
#endif
int cmask = CMASK;
extern int customnbuf;
kern_return_t bsd_autoconf(void);
void bsd_utaskbootstrap(void);
static void parse_bsd_args(void);
#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);
#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 ulock_initialize(void);
#if CONFIG_MACF
#if defined (__i386__) || defined (__x86_64__)
int policy_check_flags = 0;
extern int check_policy_init(int);
#endif
#endif
#if CONFIG_DTRACE
extern void dtrace_postinit(void);
#endif
static void
process_name(const char *s, proc_t p)
{
strlcpy(p->p_comm, s, sizeof(p->p_comm));
strlcpy(p->p_name, s, sizeof(p->p_name));
}
#include <machine/vmparam.h>
struct rlimit vm_initial_limit_stack = { .rlim_cur = DFLSSIZ, .rlim_max = MAXSSIZ - PAGE_MAX_SIZE };
struct rlimit vm_initial_limit_data = { .rlim_cur = DFLDSIZ, .rlim_max = MAXDSIZ };
struct rlimit vm_initial_limit_core = { .rlim_cur = DFLCSIZ, .rlim_max = MAXCSIZ };
extern thread_t cloneproc(task_t, coalition_t, proc_t, int, int);
extern int (*mountroot)(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
extern lck_mtx_t * execargs_cache_lock;
void (*mountroot_post_hook)(void);
void (*unmountroot_pre_hook)(void);
void
bsd_early_init(void)
{
sysctl_early_init();
}
void
bsd_init(void)
{
struct uthread *ut;
unsigned int i;
struct vfs_context context;
kern_return_t ret;
struct ucred temp_cred;
struct posix_cred temp_pcred;
#if CONFIG_NETBOOT || CONFIG_IMAGEBOOT
boolean_t netboot = FALSE;
#endif
#if CONFIG_LOCKERBOOT
vnode_t pbvn = NULLVP;
mount_t pbmnt = NULL;
char *pbdevp = NULL;
char pbdevpath[64];
char pbfsname[MFSNAMELEN];
char *slash_dev = NULL;
#endif
#define DEBUG_BSDINIT 0
#if DEBUG_BSDINIT
#define bsd_init_kprintf(x, ...) kprintf("bsd_init: " x, ## __VA_ARGS__)
#else
#define bsd_init_kprintf(x, ...)
#endif
throttle_init();
printf(copyright);
bsd_init_kprintf("calling kmeminit\n");
kmeminit();
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
bsd_init_kprintf("calling kauth_init\n");
kauth_init();
bsd_init_kprintf("calling procinit\n");
procinit();
tty_init();
kernproc = &proc0;
set_bsdtask_info(kernel_task, (void *)kernproc);
bsd_init_kprintf("calling process_name\n");
process_name("kernel_task", kernproc);
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);
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);
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
proc_lck_attr = lck_attr_alloc_init();
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);
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");
}
bsd_init_kprintf("calling get_bsdthread_info\n");
ut = (uthread_t)get_bsdthread_info(current_thread());
#if CONFIG_MACF
mac_policy_initbsd();
#if defined (__i386__) || defined (__x86_64__)
check_policy_init(policy_check_flags);
#endif
#endif
ulock_initialize();
hostname_lck_grp = lck_grp_alloc_init("hostname", LCK_GRP_ATTR_NULL);
lck_mtx_init(&hostname_lock, hostname_lck_grp, LCK_ATTR_NULL);
lck_mtx_init(&domainname_lock, hostname_lck_grp, LCK_ATTR_NULL);
proc_list_lock();
LIST_INSERT_HEAD(&allproc, kernproc, p_list);
kernproc->p_pgrp = &pgrp0;
LIST_INSERT_HEAD(PGRPHASH(0), &pgrp0, pg_hash);
LIST_INIT(&pgrp0.pg_members);
lck_mtx_init(&pgrp0.pg_mlock, proc_mlock_grp, proc_lck_attr);
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 = kernproc;
session0.s_listflags = 0;
lck_mtx_init(&session0.s_mlock, proc_mlock_grp, proc_lck_attr);
LIST_INSERT_HEAD(SESSHASH(0), &session0, s_hash);
proc_list_unlock();
#if CONFIG_PERSONAS
kernproc->p_persona = NULL;
#endif
kernproc->task = kernel_task;
kernproc->p_stat = SRUN;
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;
}
#endif
kernproc->p_nice = NZERO;
kernproc->p_pptr = kernproc;
TAILQ_INIT(&kernproc->p_uthlist);
TAILQ_INSERT_TAIL(&kernproc->p_uthlist, ut, uu_list);
kernproc->sigwait = FALSE;
kernproc->sigwait_thread = THREAD_NULL;
kernproc->exit_thread = THREAD_NULL;
kernproc->p_csflags = CS_VALID;
bsd_init_kprintf("calling bzero\n");
bzero(&temp_cred, sizeof(temp_cred));
bzero(&temp_pcred, sizeof(temp_pcred));
temp_pcred.cr_ngroups = 1;
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");
posix_cred_label(&temp_cred, &temp_pcred);
kernproc->p_ucred = kauth_cred_create(&temp_cred);
PROC_UPDATE_CREDS_ONPROC(kernproc);
bsd_init_kprintf("calling kauth_cred_ref\n");
kauth_cred_ref(kernproc->p_ucred);
ut->uu_context.vc_ucred = kernproc->p_ucred;
ut->uu_context.vc_thread = current_thread();
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(kernproc->p_ucred);
#endif
kernproc->p_fd = &filedesc0;
filedesc0.fd_cmask = cmask;
filedesc0.fd_knlistsize = 0;
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);
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_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.pl_refcnt = 1;
kernproc->p_stats = &pstats0;
kernproc->p_sigacts = &sigacts0;
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_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();
bsd_init_kprintf("calling bsd_bufferinit\n");
bsd_bufferinit();
bsd_init_kprintf("calling IOKitInitializeTime\n");
IOKitInitializeTime();
bsd_init_kprintf("calling ubc_init\n");
ubc_init();
bsd_init_kprintf("calling vfsinit\n");
vfsinit();
#if CONFIG_PROC_UUID_POLICY
bsd_init_kprintf("calling proc_uuid_policy_init()\n");
proc_uuid_policy_init();
#endif
#if SOCKETS
mcache_init();
bsd_init_kprintf("calling mbinit\n");
mbinit();
net_str_id_init();
restricted_in_port_init();
#endif
#if CONFIG_AUDIT
bsd_init_kprintf("calling audit_init\n");
audit_init();
#endif
bsd_init_kprintf("calling knote_init\n");
knote_init();
bsd_init_kprintf("calling eventhandler_init\n");
eventhandler_init();
bsd_init_kprintf("calling aio_init\n");
aio_init();
bsd_init_kprintf("calling pipeinit\n");
pipeinit();
#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();
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();
bsd_init_kprintf("calling select_waitq_init\n");
select_waitq_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");
proto_kpi_init();
#endif
#if SOCKETS
bsd_init_kprintf("calling socketinit\n");
socketinit();
bsd_init_kprintf("calling domaininit\n");
domaininit();
iptap_init();
#if FLOW_DIVERT
flow_divert_init();
#endif
#endif
kernproc->p_fd->fd_cdir = NULL;
kernproc->p_fd->fd_rdir = NULL;
#if CONFIG_FREEZE
#ifndef CONFIG_MEMORYSTATUS
#error "CONFIG_FREEZE defined without matching CONFIG_MEMORYSTATUS"
#endif
bsd_init_kprintf("calling memorystatus_freeze_init\n");
memorystatus_freeze_init();
#endif
#if CONFIG_MEMORYSTATUS
bsd_init_kprintf("calling memorystatus_init\n");
memorystatus_init();
#endif
bsd_init_kprintf("calling acct_init\n");
acct_init();
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
#include <loop.h>
#if NLOOP > 0
bsd_init_kprintf("calling loopattach\n");
loopattach();
#endif
#if NGIF
gif_init();
#endif
#if PFLOG
pfloginit();
#endif
#if NETHER > 0
bsd_init_kprintf("calling ether_family_init\n");
ether_family_init();
#endif
#if NETWORKING
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
necp_init();
#endif
netagent_init();
utun_register_control();
#if IPSEC
ipsec_register_control();
#endif
netsrc_init();
nstat_init();
tcp_cc_init();
#if MPTCP
mptcp_control_register();
#endif
#endif
bsd_init_kprintf("calling vnode_pager_bootstrap\n");
vnode_pager_bootstrap();
bsd_init_kprintf("calling inittodr\n");
inittodr(0);
while (TRUE) {
int err;
bsd_init_kprintf("calling setconf\n");
setconf();
#if CONFIG_NETBOOT
netboot = (mountroot == netboot_mountroot);
#endif
bsd_init_kprintf("vfs_mountroot\n");
if (0 == (err = vfs_mountroot())) {
break;
}
rootdevice[0] = '\0';
#if CONFIG_NETBOOT
if (netboot) {
PE_display_icon( 0, "noroot");
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);
}
}
#endif
printf("cannot mount root, errno = %d\n", err);
boothowto |= RB_ASKNAME;
}
IOSecureBSDRoot(rootdevice);
context.vc_thread = current_thread();
context.vc_ucred = kernproc->p_ucred;
mountlist.tqh_first->mnt_flag |= MNT_ROOTFS;
bsd_init_kprintf("calling VFS_ROOT\n");
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;
#if CONFIG_NETBOOT
if (netboot) {
int err;
netboot = TRUE;
if ((err = netboot_setup()) != 0) {
PE_display_icon( 0, "noroot");
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);
}
}
}
#endif
#if CONFIG_IMAGEBOOT
#if CONFIG_LOCKERBOOT
pbvn = rootvnode;
pbmnt = pbvn->v_mount;
pbdevp = vfs_statfs(pbmnt)->f_mntfromname;
slash_dev = strnstr(pbdevp, "/dev/", strlen(pbdevp));
if (slash_dev) {
strlcpy(pbdevpath, slash_dev, sizeof(pbdevpath));
} else {
snprintf(pbdevpath, sizeof(pbdevpath), "/dev/%s", pbdevp);
}
bsd_init_kprintf("protoboot mount-from: %s\n", pbdevp);
bsd_init_kprintf("protoboot dev path: %s\n", pbdevpath);
strlcpy(pbfsname, pbmnt->mnt_vtable->vfc_name, sizeof(pbfsname));
#endif
imageboot_type_t imageboot_type = imageboot_needed();
if (netboot == FALSE && imageboot_type) {
bsd_init_kprintf("doing image boot: type = %d\n", imageboot_type);
imageboot_setup(imageboot_type);
}
#if CONFIG_LOCKERBOOT
if (imageboot_type == IMAGEBOOT_LOCKER) {
bsd_init_kprintf("booting from locker\n");
if (vnode_tag(rootvnode) != VT_LOCKERFS) {
panic("root filesystem not a locker: fsname = %s",
rootvnode->v_mount->mnt_vtable->vfc_name);
}
}
#endif
#endif
microtime_with_abstime(&kernproc->p_start, &kernproc->p_stats->ps_start);
#if DEVFS
{
char mounthere[] = "/dev";
bsd_init_kprintf("calling devfs_kernel_mount\n");
devfs_kernel_mount(mounthere);
}
#endif
if (vfs_mount_rosv_data()) {
panic("failed to mount data volume!");
}
if (vfs_mount_vm()) {
printf("failed to mount vm volume!");
}
#if CONFIG_LOCKERBOOT
if (imageboot_type == IMAGEBOOT_LOCKER) {
bsd_init_kprintf("re-mounting protoboot volume\n");
int error = mount_locker_protoboot(pbfsname, LOCKER_PROTOBOOT_MOUNT,
pbdevpath);
if (error) {
panic("failed to mount protoboot volume: dev path = %s, error = %d",
pbdevpath, error);
}
}
#endif
bsd_init_kprintf("calling siginit\n");
siginit(kernproc);
bsd_init_kprintf("calling bsd_utaskbootstrap\n");
bsd_utaskbootstrap();
pal_kernel_announce();
bsd_init_kprintf("calling mountroot_post_hook\n");
if (mountroot_post_hook != NULL) {
mountroot_post_hook();
}
#if 0
consider_zone_gc(FALSE);
#endif
init_system_override();
bsd_init_kprintf("done\n");
}
void
bsdinit_task(void)
{
proc_t p = current_proc();
process_name("init", p);
ux_handler_setup();
#if CONFIG_MACF
mac_cred_label_associate_user(p->p_ucred);
#endif
vm_init_before_launchd();
#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
bsd_init_kprintf("bsd_do_post - done");
load_init_program(p);
lock_trace = 1;
}
kern_return_t
bsd_autoconf(void)
{
kprintf("bsd_autoconf: calling kminit\n");
kminit();
{
struct pseudo_init *pi;
for (pi = pseudo_inits; pi->ps_func; pi++) {
(*pi->ps_func)(pi->ps_count);
}
}
return IOKitBSDInit();
}
#include <sys/disklabel.h>
static void
setconf(void)
{
u_int32_t flags;
kern_return_t err;
err = IOFindBSDRoot(rootdevice, sizeof(rootdevice), &rootdev, &flags);
if (err) {
printf("setconf: IOFindBSDRoot returned an error (%d);"
"setting rootdevice to 'sd0a'.\n", err);
rootdev = makedev( 6, 0 );
strlcpy(rootdevice, "sd0a", sizeof(rootdevice));
flags = 0;
}
#if CONFIG_NETBOOT
if (flags & 1) {
mountroot = netboot_mountroot;
} else {
#endif
mountroot = NULL;
#if CONFIG_NETBOOT
}
#endif
}
void
bsd_utaskbootstrap(void)
{
thread_t thread;
struct uthread *ut;
thread = cloneproc(TASK_NULL, COALITION_NULL, kernproc, FALSE, TRUE);
initproc = proc_find(1);
#if __PROC_INTERNAL_DEBUG
if (initproc == PROC_NULL) {
panic("bsd_utaskbootstrap: initproc not set\n");
}
#endif
proc_signalend(initproc, 0);
proc_transend(initproc, 0);
ut = (struct uthread *)get_bsdthread_info(thread);
ut->uu_sigmask = 0;
act_set_astbsd(thread);
task_clear_return_wait(get_threadtask(thread), TCRW_CLEAR_ALL_WAIT);
}
static void
parse_bsd_args(void)
{
char namep[48];
int msgbuf;
if (PE_parse_boot_argn("-s", namep, sizeof(namep))) {
boothowto |= RB_SINGLE;
}
if (PE_parse_boot_argn("-x", namep, sizeof(namep))) {
boothowto |= RB_SAFEBOOT;
}
if (PE_parse_boot_argn("-minimalboot", namep, sizeof(namep))) {
minimalboot = 1;
}
#if __x86_64__
int no32exec;
if (PE_parse_boot_argn("no32exec", &no32exec, sizeof(no32exec))) {
bootarg_no32exec = !!no32exec;
}
#endif
int execfailure_crashreports;
if (PE_parse_boot_argn("execfailurecrashes", &execfailure_crashreports, sizeof(execfailure_crashreports))) {
bootarg_execfailurereports = !!execfailure_crashreports;
}
if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof(namep))) {
bootarg_vnode_cache_defeat = 1;
}
#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 CONFIG_MACF
#if defined (__i386__) || defined (__x86_64__)
PE_parse_boot_argn("policy_check", &policy_check_flags, sizeof(policy_check_flags));
#endif
#endif
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
#if CONFIG_EMBEDDED
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;
}
if (PE_parse_boot_argn("alt-dyld", dyld_alt_path, sizeof(dyld_alt_path))) {
if (strlen(dyld_alt_path) > 0) {
use_alt_dyld = 1;
}
}
PE_parse_boot_argn("dyld_flags", &dyld_flags, sizeof(dyld_flags));
if (PE_parse_boot_argn("-disable_syscallfilter", &namep, sizeof(namep))) {
syscallfilter_disable = 1;
}
#if __arm64__
if (PE_parse_boot_argn("legacy_footprint_entitlement_mode", &legacy_footprint_entitlement_mode, sizeof(legacy_footprint_entitlement_mode))) {
if (legacy_footprint_entitlement_mode < LEGACY_FOOTPRINT_ENTITLEMENT_IGNORE ||
legacy_footprint_entitlement_mode > LEGACY_FOOTPRINT_ENTITLEMENT_LIMIT_INCREASE) {
legacy_footprint_entitlement_mode = LEGACY_FOOTPRINT_ENTITLEMENT_LIMIT_INCREASE;
}
}
#endif
#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 !CONFIG_NETBOOT
int
netboot_root(void);
int
netboot_root(void)
{
return 0;
}
#endif