xnu-4903.221.2.tar.gz

[apple/xnu.git] / bsd / kern / bsd_init.c

diff --git a/bsd/kern/bsd_init.c b/bsd/kern/bsd_init.c
index 232e966eeea95f41dedff1a4d87beef0e43da0c0..23e115db01ae29a388f9897dcbd1dfdeb9ae401c 100644 (file)
--- a/bsd/kern/bsd_init.c
+++ b/bsd/kern/bsd_init.c
@@ -94,6 +94,7 @@
 #include <sys/time.h>
 #include <sys/systm.h>
 #include <sys/mman.h>
 #include <sys/time.h>
 #include <sys/systm.h>
 #include <sys/mman.h>

+#include <sys/kasl.h>

 
 #include <security/audit/audit.h>
 
 
 #include <security/audit/audit.h>
 


@@ -106,19 +107,17 @@
 #include <kern/task.h>
 #include <kern/ast.h>
 #include <kern/kalloc.h>
 #include <kern/task.h>
 #include <kern/ast.h>
 #include <kern/kalloc.h>

-#include <mach/mach_host.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 <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 <sys/reboot.h>

-#include <mach/exception_types.h>

 #include <dev/busvar.h>                        /* for pseudo_inits */
 #include <sys/kdebug.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 <sys/reason.h>
 
 #include <mach/mach_types.h>


@@ -128,12 +127,11 @@
 #include <kern/clock.h>
 #include <mach/kern_return.h>
 #include <mach/thread_act.h>           /* for thread_resume() */
 #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/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 <sys/kern_memorystatus.h>     /* for memorystatus_init() */
 #include <sys/aio_kern.h>              /* for aio_init() */
 #include <sys/semaphore.h>             /* for psem_cache_init() */


@@ -148,8 +146,6 @@
 #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 <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 <vm/vm_kern.h>                        /* for kmem_suballoc() */
 #include <sys/semaphore.h>             /* for psem_lock_init() */
 #include <sys/msgbuf.h>                        /* for log_setsize() */


@@ -167,6 +163,7 @@
 #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/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 <kern/assert.h>               /* for assert() */
 #include <sys/kern_overrides.h>                /* for init_system_override() */
 


@@ -197,6 +194,9 @@
 #include <machine/pal_routines.h>
 #include <console/video_console.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 * get_user_regs(thread_t);                /* XXX kludge for <machine/thread.h> */
 void IOKitInitializeTime(void);                /* XXX */


@@ -240,7 +240,7 @@ int         hostnamelen;
 char   domainname[MAXDOMNAMELEN];
 int            domainnamelen;
 
 char   domainname[MAXDOMNAMELEN];
 int            domainnamelen;
 

-char rootdevice[16];   /* device names have at least 9 chars */
+char rootdevice[DEVMAXNAMESIZE];

 
 #if  KMEMSTATS
 struct kmemstats kmemstats[M_LAST];
 
 #if  KMEMSTATS
 struct kmemstats kmemstats[M_LAST];


@@ -249,6 +249,9 @@ struct      kmemstats kmemstats[M_LAST];
 struct vnode *rootvp;
 int boothowto = RB_DEBUG;
 int minimalboot = 0;
 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 */
 
 #if PROC_REF_DEBUG
 __private_extern__ int proc_ref_tracking_disabled = 0; /* disable panics on leaked proc refs across syscall boundary */


@@ -283,6 +286,12 @@ __private_extern__ vm_offset_t * execargs_cache = NULL;
 
 void bsd_exec_setup(int);
 
 
 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_vnode_cache_defeat = 0;
 
 #if CONFIG_JETSAM && (DEVELOPMENT || DEBUG)


@@ -381,6 +390,8 @@ 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_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_grp_t * proc_ucred_mlock_grp;
 lck_grp_t * proc_mlock_grp;
 lck_grp_attr_t * proc_lck_grp_attr;


@@ -388,6 +399,10 @@ lck_attr_t * proc_lck_attr;
 lck_mtx_t * proc_list_mlock;
 lck_mtx_t * proc_klist_mlock;
 
 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;
 
 
 extern lck_mtx_t * execargs_cache_lock;
 


@@ -476,13 +491,21 @@ bsd_init(void)
        proc_lck_grp_attr= lck_grp_attr_alloc_init();
 
        proc_lck_grp = lck_grp_alloc_init("proc",  proc_lck_grp_attr);
        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);
 #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_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
 #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
        /* Allocate proc lock attribute */
        proc_lck_attr = lck_attr_alloc_init();
 #if 0


@@ -526,7 +549,6 @@ bsd_init(void)
         * Initialize the MAC Framework
         */
        mac_policy_initbsd();
         * Initialize the MAC Framework
         */
        mac_policy_initbsd();

-       kernproc->p_mac_enforce = 0;

 
 #if defined (__i386__) || defined (__x86_64__)
        /*
 
 #if defined (__i386__) || defined (__x86_64__)
        /*


@@ -537,9 +559,6 @@ bsd_init(void)
 #endif
 #endif /* MAC */
 
 #endif
 #endif /* MAC */
 

-       /* Initialize System Override call */
-       init_system_override();
-       

        ulock_initialize();
 
        /*
        ulock_initialize();
 
        /*


@@ -653,6 +672,8 @@ bsd_init(void)
        filedesc0.fd_knlist = NULL;
        filedesc0.fd_knhash = NULL;
        filedesc0.fd_knhashmask = 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);

 
        /* Create the limits structures. */
        kernproc->p_limit = &limit0;
 
        /* Create the limits structures. */
        kernproc->p_limit = &limit0;


@@ -689,12 +710,17 @@ bsd_init(void)
                                &minimum,
                                (vm_size_t)bsd_pageable_map_size,
                                TRUE,
                                &minimum,
                                (vm_size_t)bsd_pageable_map_size,
                                TRUE,

-                               VM_FLAGS_ANYWHERE | VM_MAKE_TAG(VM_KERN_MEMORY_BSD),
+                               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_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
         *
        /*
         * Initialize buffers and hash links for buffers
         *


@@ -705,12 +731,6 @@ bsd_init(void)
        bsd_init_kprintf("calling bsd_bufferinit\n");
        bsd_bufferinit();
 
        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.
         */
        /*
         * Initialize the calendar.
         */


@@ -753,6 +773,10 @@ bsd_init(void)
        bsd_init_kprintf("calling knote_init\n");
        knote_init();
 
        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();
        /* Initialize for async IO */
        bsd_init_kprintf("calling aio_init\n");
        aio_init();


@@ -797,6 +821,8 @@ bsd_init(void)
         * until everything is ready.
         */
 #if NETWORKING
         * until everything is ready.
         */
 #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");
        bsd_init_kprintf("calling dlil_init\n");
        dlil_init();
        bsd_init_kprintf("calling proto_kpi_init\n");


@@ -812,7 +838,6 @@ bsd_init(void)
        flow_divert_init();
 #endif /* FLOW_DIVERT */
 #endif /* SOCKETS */
        flow_divert_init();
 #endif /* FLOW_DIVERT */
 #endif /* SOCKETS */

-

        kernproc->p_fd->fd_cdir = NULL;
        kernproc->p_fd->fd_rdir = NULL;
 
        kernproc->p_fd->fd_cdir = NULL;
        kernproc->p_fd->fd_rdir = NULL;
 


@@ -1026,9 +1051,12 @@ bsd_init(void)
                mountroot_post_hook();
 
 #if 0 /* not yet */
                mountroot_post_hook();
 
 #if 0 /* not yet */

-       consider_zone_gc();
+       consider_zone_gc(FALSE);

 #endif
 
 #endif
 

+       /* Initialize System Override call */
+       init_system_override();
+       

        bsd_init_kprintf("done\n");
 }
 
        bsd_init_kprintf("done\n");
 }
 


@@ -1036,26 +1064,27 @@ void
 bsdinit_task(void)
 {
        proc_t p = current_proc();
 bsdinit_task(void)
 {
        proc_t p = current_proc();

-       struct uthread *ut;
-       thread_t thread;

 
        process_name("init", p);
 
 
        process_name("init", p);
 

-       ux_handler_init();
-
-       thread = current_thread();
-       (void) host_set_exception_ports(host_priv_self(),
-                                       EXC_MASK_ALL & ~(EXC_MASK_RPC_ALERT),//pilotfish (shark) needs this port
-                                       (mach_port_t) ux_exception_port,
-                                       EXCEPTION_DEFAULT| MACH_EXCEPTION_CODES,
-                                       0);
-
-       ut = (uthread_t)get_bsdthread_info(thread);
+       /* Set up exception-to-signal reflection */
+       ux_handler_setup();

 
 #if CONFIG_MACF
        mac_cred_label_associate_user(p->p_ucred);
 #endif
 
 
 #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;
 
        load_init_program(p);
        lock_trace = 1;


@@ -1167,6 +1196,16 @@ parse_bsd_args(void)
                minimalboot = 1;
        }
 
                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)))
 
        /* disable vnode_cache_is_authorized() by setting vnode_cache_defeat */
        if (PE_parse_boot_argn("-vnode_cache_defeat", namep, sizeof (namep)))


@@ -1204,6 +1243,18 @@ parse_bsd_args(void)
 #endif /* CONFIG_JETSAM && (DEVELOPMENT || DEBUG) */
 
 
 #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))) {
 
 #if PROC_REF_DEBUG
        if (PE_parse_boot_argn("-disable_procref_tracking", namep, sizeof(namep))) {