#include <sys/cdefs.h>
#include "opt_ddb.h"
#include "opt_kdb.h"
#include "opt_init_path.h"
#include "opt_verbose_sysinit.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/boottrace.h>
#include <sys/conf.h>
#include <sys/cpuset.h>
#include <sys/dtrace_bsd.h>
#include <sys/epoch.h>
#include <sys/eventhandler.h>
#include <sys/exec.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/imgact.h>
#include <sys/jail.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/loginclass.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/racct.h>
#include <sys/reboot.h>
#include <sys/resourcevar.h>
#include <sys/sched.h>
#include <sys/signalvar.h>
#include <sys/sx.h>
#include <sys/syscallsubr.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>
#include <sys/sysproto.h>
#include <sys/unistd.h>
#include <sys/vmmeter.h>
#include <sys/vnode.h>
#include <machine/cpu.h>
#include <security/audit/audit.h>
#include <security/mac/mac_framework.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_extern.h>
#include <vm/pmap.h>
#include <vm/vm_map.h>
#include <sys/copyright.h>
#include <ddb/ddb.h>
#include <ddb/db_sym.h>

Macros
#define	BOOTHOWTO 0

#define	BOOTVERBOSE 0

#define	INIT_SHUTDOWN_TIMEOUT 120

Functions
	__FBSDID ("$FreeBSD$")

void	mi_startup (void)

struct thread0_storage thread0_st	__aligned (32)

int	linux_alloc_current_noop (struct thread *td __unused, int flags __unused)

	SYSCTL_INT (_debug, OID_AUTO, boothowto, CTLFLAG_RD, &boothowto, 0, "Boot control flags, passed from loader")

	SYSCTL_INT (_debug, OID_AUTO, bootverbose, CTLFLAG_RW, &bootverbose, 0, "Control the output of verbose kernel messages")

	SYSINIT (placeholder, SI_SUB_DUMMY, SI_ORDER_ANY, NULL, NULL)

	SET_DECLARE (sysinit_set, struct sysinit)

void	sysinit_add (struct sysinit set, struct sysinit set_end)

static void	print_caddr_t (void *data)

static void	print_version (void *data __unused)

	SYSINIT (announce, SI_SUB_COPYRIGHT, SI_ORDER_FIRST, print_caddr_t, copyright)

	SYSINIT (trademark, SI_SUB_COPYRIGHT, SI_ORDER_SECOND, print_caddr_t, trademark)

	SYSINIT (version, SI_SUB_COPYRIGHT, SI_ORDER_THIRD, print_version, NULL)

static int	null_fetch_syscall_args (struct thread *td __unused)

static void	null_set_syscall_retval (struct thread *td __unused, int error __unused)

static void	null_set_fork_retval (struct thread *td __unused)

static void	proc0_init (void *dummy __unused)

	SYSINIT (p0init, SI_SUB_INTRINSIC, SI_ORDER_FIRST, proc0_init, NULL)

static void	proc0_post (void *dummy __unused)

	SYSINIT (p0post, SI_SUB_INTRINSIC_POST, SI_ORDER_FIRST, proc0_post, NULL)

	SYSCTL_STRING (_kern, OID_AUTO, init_path, CTLFLAG_RD, init_path, 0, "Path used to search the init process")

	SYSCTL_INT (_kern, OID_AUTO, init_shutdown_timeout, CTLFLAG_RW, &init_shutdown_timeout, 0, "Shutdown timeout of init(8). " "Unused within kernel, but used to control init(8)")

static void	start_init (void *dummy)

static void	create_init (const void *udata __unused)

	SYSINIT (init, SI_SUB_CREATE_INIT, SI_ORDER_FIRST, create_init, NULL)

static void	kick_init (const void *udata __unused)

	SYSINIT (kickinit, SI_SUB_KTHREAD_INIT, SI_ORDER_MIDDLE, kick_init, NULL)

Variables
static struct session	session0

static struct pgrp	pgrp0

struct proc	proc0

struct vmspace	vmspace0

struct proc *	initproc

int(*	lkpi_alloc_current )(struct thread *, int) = linux_alloc_current_noop

int	boothowto = BOOTHOWTO

int	bootverbose = BOOTVERBOSE

struct sysinit **	sysinit

struct sysinit **	sysinit_end

struct sysinit **	newsysinit

struct sysinit **	newsysinit_end

struct sysentvec	null_sysvec

static char	init_path [MAXPATHLEN]

static int	init_shutdown_timeout = INIT_SHUTDOWN_TIMEOUT

Macro Definition Documentation

◆ BOOTHOWTO

#define BOOTHOWTO 0

Definition at line 122 of file init_main.c.

◆ BOOTVERBOSE

#define BOOTVERBOSE 0

Definition at line 129 of file init_main.c.

◆ INIT_SHUTDOWN_TIMEOUT

#define INIT_SHUTDOWN_TIMEOUT 120

Definition at line 708 of file init_main.c.

Function Documentation

◆ __aligned()

struct thread0_storage thread0_st __aligned ( 32 )

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ create_init()

static void create_init ( const void *udata __unused )

static

Definition at line 808 of file init_main.c.

References crcopy(), crcowfree(), crcowget(), crfree(), crget(), fork1(), initproc, panic(), proc_set_cred(), proctree_lock, and start_init().

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◆ kick_init()

static void kick_init ( const void *udata __unused )

static

Definition at line 853 of file init_main.c.

References initproc, and sched_add().

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◆ linux_alloc_current_noop()

int linux_alloc_current_noop	(	struct thread *td	__unused,
		int flags	__unused
	)

Definition at line 115 of file init_main.c.

◆ mi_startup()

void mi_startup ( void )

Definition at line 231 of file init_main.c.

References boothowto, bootverbose, data, free(), Giant, newsysinit, newsysinit_end, printf(), symbol_name(), sysinit, and sysinit_end.

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◆ null_fetch_syscall_args()

static int null_fetch_syscall_args ( struct thread *td __unused )

static

Definition at line 397 of file init_main.c.

References panic().

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◆ null_set_fork_retval()

static void null_set_fork_retval ( struct thread *td __unused )

static

Definition at line 411 of file init_main.c.

◆ null_set_syscall_retval()

static void null_set_syscall_retval	(	struct thread *td	__unused,
		int error	__unused
	)

static

Definition at line 404 of file init_main.c.

References panic().

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◆ print_caddr_t()

static void print_caddr_t ( void * data )

static

Definition at line 354 of file init_main.c.

References data, and printf().

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◆ print_version()

static void print_version ( void *data __unused )

static

Definition at line 360 of file init_main.c.

References printf().

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◆ proc0_init()

static void proc0_init ( void *dummy __unused )

static

Definition at line 458 of file init_main.c.

References allproc, callout_init(), chgproccnt(), cpuset_thread0(), crfree(), crget(), dfldsiz, dflssiz, fdinit(), kdtrace_proc_ctor(), kdtrace_thread_ctor(), knlist_alloc(), lim_alloc(), loginclass_find(), maxdsiz, maxfiles, maxproc, maxssiz, null_sysvec, pdinit(), pgrp0, prison0, prison0_init(), proc0, proc_set_cred_init(), procinit(), pstats_alloc(), schedinit(), session0, sigacts_alloc(), siginit(), thread_cow_get_proc(), thread_ctor(), thread_init(), threadinit(), tidhash_add(), uifind(), and vmspace0.

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◆ proc0_post()

static void proc0_post ( void *dummy __unused )

static

Definition at line 646 of file init_main.c.

References allproc_lock, cpu_ticks, microuptime(), rufetch(), and ticks.

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◆ SET_DECLARE()

SET_DECLARE	(	sysinit_set	,
		struct sysinit
	)

◆ start_init()

static void start_init ( void * dummy )

static

Definition at line 720 of file init_main.c.

References boothowto, bootverbose, exec_alloc_args(), exec_args_add_arg(), exec_args_add_fname(), exec_cleanup(), free(), freeenv(), init_path, kern_execve(), kern_getenv(), kern_unsetenv(), panic(), path, printf(), and vfs_mountroot().

Referenced by create_init().

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◆ SYSCTL_INT() [1/3]

SYSCTL_INT	(	_debug	,
		OID_AUTO	,
		boothowto	,
		CTLFLAG_RD	,
		&	boothowto,
		0	,
		"Boot control	flags,
		passed from loader"
	)

◆ SYSCTL_INT() [2/3]

SYSCTL_INT	(	_debug	,
		OID_AUTO	,
		bootverbose	,
		CTLFLAG_RW	,
		&	bootverbose,
		0	,
		"Control the output of verbose kernel messages"
	)

◆ SYSCTL_INT() [3/3]

SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		init_shutdown_timeout	,
		CTLFLAG_RW	,
		&	init_shutdown_timeout,
		0	,
		"Shutdown timeout of init(8). " "Unused within	kernel,
		but used to control init(8)"
	)

◆ SYSCTL_STRING()

SYSCTL_STRING	(	_kern	,
		OID_AUTO	,
		init_path	,
		CTLFLAG_RD	,
		init_path	,
		0	,
		"Path used to search the init process"
	)

◆ SYSINIT() [1/8]

SYSINIT	(	announce	,
		SI_SUB_COPYRIGHT	,
		SI_ORDER_FIRST	,
		print_caddr_t	,
		copyright
	)

◆ SYSINIT() [2/8]

SYSINIT	(	init	,
		SI_SUB_CREATE_INIT	,
		SI_ORDER_FIRST	,
		create_init	,
		NULL
	)

◆ SYSINIT() [3/8]

SYSINIT	(	kickinit	,
		SI_SUB_KTHREAD_INIT	,
		SI_ORDER_MIDDLE	,
		kick_init	,
		NULL
	)

◆ SYSINIT() [4/8]

SYSINIT	(	p0init	,
		SI_SUB_INTRINSIC	,
		SI_ORDER_FIRST	,
		proc0_init	,
		NULL
	)

◆ SYSINIT() [5/8]

SYSINIT	(	p0post	,
		SI_SUB_INTRINSIC_POST	,
		SI_ORDER_FIRST	,
		proc0_post	,
		NULL
	)

◆ SYSINIT() [6/8]

SYSINIT	(	placeholder	,
		SI_SUB_DUMMY	,
		SI_ORDER_ANY	,
		NULL	,
		NULL
	)

◆ SYSINIT() [7/8]

SYSINIT	(	trademark	,
		SI_SUB_COPYRIGHT	,
		SI_ORDER_SECOND	,
		print_caddr_t	,
		trademark
	)

◆ SYSINIT() [8/8]

SYSINIT	(	version	,
		SI_SUB_COPYRIGHT	,
		SI_ORDER_THIRD	,
		print_version	,
		NULL
	)

◆ sysinit_add()

void sysinit_add	(	struct sysinit **	set,
		struct sysinit **	set_end
	)

Definition at line 171 of file init_main.c.

References count, free(), malloc(), newsysinit, newsysinit_end, panic(), set, sysinit, and sysinit_end.

Referenced by linker_preload().

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Variable Documentation

◆ boothowto

int boothowto = BOOTHOWTO

Definition at line 124 of file init_main.c.

Referenced by cninit(), mi_startup(), start_init(), and vfs_mountroot_conf0().

◆ bootverbose

int bootverbose = BOOTVERBOSE

Definition at line 131 of file init_main.c.

Referenced by clockcalib(), cpu_tick_calibrate(), devclass_alloc_unit(), device_attach(), device_probe(), et_register(), firmware_register(), ktls_alloc_thread(), ktls_init(), ktls_work_thread(), linker_preload(), loadimage(), maxbcachebuf_adjust(), mi_startup(), msgbuf_reinit(), parse_mount(), power_profile_set_state(), prison0_init(), read_clocks(), settime_task_func(), start_init(), tc_init(), tdq_setup(), and vntblinit().

◆ init_path

char init_path[MAXPATHLEN]

static

Initial value:

=
 
    "/sbin/init:/sbin/oinit:/sbin/init.bak:/rescue/init"

Definition at line 694 of file init_main.c.

Referenced by start_init().

◆ init_shutdown_timeout

int init_shutdown_timeout = INIT_SHUTDOWN_TIMEOUT

static

Definition at line 710 of file init_main.c.

◆ initproc

struct proc* initproc

Definition at line 112 of file init_main.c.

Referenced by create_init(), do_fork(), exit1(), kern_ptrace(), kern_reboot(), kern_reroot(), kick_init(), kproc_exit(), p_candebug(), reap_release(), reap_status(), reaper_abandon_children(), shutdown_nice(), shutdown_nice_task_fn(), and uprintf().

◆ lkpi_alloc_current

int(* lkpi_alloc_current) (struct thread *, int)	(	struct thread *	,
		int
	)		= linux_alloc_current_noop

Definition at line 119 of file init_main.c.

◆ newsysinit

struct sysinit** newsysinit

Definition at line 164 of file init_main.c.

Referenced by mi_startup(), and sysinit_add().

◆ newsysinit_end

struct sysinit ** newsysinit_end

Definition at line 164 of file init_main.c.

Referenced by mi_startup(), and sysinit_add().

◆ null_sysvec

struct sysentvec null_sysvec

Definition at line 416 of file init_main.c.

Referenced by proc0_init().

◆ pgrp0

struct pgrp pgrp0

static

Definition at line 108 of file init_main.c.

Referenced by proc0_init().

◆ proc0

struct proc proc0

Definition at line 109 of file init_main.c.

Referenced by do_fork(), dotrace(), kproc_create(), kthread_add(), mutex_init(), proc0_init(), proc_wkilled(), and wakeup().

◆ session0

struct session session0

static

Definition at line 107 of file init_main.c.

Referenced by proc0_init().

◆ sysinit

struct sysinit** sysinit

Definition at line 163 of file init_main.c.

Referenced by linker_file_sysinit(), linker_file_sysuninit(), linker_preload(), mi_startup(), and sysinit_add().

◆ sysinit_end

struct sysinit ** sysinit_end

Definition at line 163 of file init_main.c.

Referenced by mi_startup(), and sysinit_add().

◆ vmspace0

struct vmspace vmspace0

Definition at line 111 of file init_main.c.

Referenced by proc0_init().

Macros

Functions

Variables

Macro Definition Documentation

◆ BOOTHOWTO

◆ BOOTVERBOSE

◆ INIT_SHUTDOWN_TIMEOUT

Function Documentation

◆ __aligned()

◆ __FBSDID()

◆ create_init()

◆ kick_init()

◆ linux_alloc_current_noop()

◆ mi_startup()

◆ null_fetch_syscall_args()

◆ null_set_fork_retval()

◆ null_set_syscall_retval()

◆ print_caddr_t()

◆ print_version()

◆ proc0_init()

◆ proc0_post()

◆ SET_DECLARE()

◆ start_init()

◆ SYSCTL_INT() [1/3]

◆ SYSCTL_INT() [2/3]

◆ SYSCTL_INT() [3/3]

◆ SYSCTL_STRING()

◆ SYSINIT() [1/8]

◆ SYSINIT() [2/8]

◆ SYSINIT() [3/8]

◆ SYSINIT() [4/8]

◆ SYSINIT() [5/8]

◆ SYSINIT() [6/8]

◆ SYSINIT() [7/8]

◆ SYSINIT() [8/8]

◆ sysinit_add()

Variable Documentation

◆ boothowto

◆ bootverbose

◆ init_path

◆ init_shutdown_timeout

◆ initproc

◆ lkpi_alloc_current

◆ newsysinit

◆ newsysinit_end

◆ null_sysvec

◆ pgrp0

◆ proc0

◆ session0

◆ sysinit

◆ sysinit_end

◆ vmspace0