xnu-3789.1.32.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 8cf33e20a423093f58edb3e319ce4f8427925028..50270ee4ccf7af4c582bd931b16f31f92f2e202b 100644 (file)
--- a/bsd/kern/bsd_init.c
+++ b/bsd/kern/bsd_init.c
@@ -119,6 +119,7 @@
 #include <mach/exception_types.h>
 #include <dev/busvar.h>                        /* for pseudo_inits */
 #include <sys/kdebug.h>
 #include <mach/exception_types.h>
 #include <dev/busvar.h>                        /* for pseudo_inits */
 #include <sys/kdebug.h>

+#include <sys/reason.h>

 
 #include <mach/mach_types.h>
 #include <mach/vm_prot.h>
 
 #include <mach/mach_types.h>
 #include <mach/vm_prot.h>


@@ -191,6 +192,7 @@
 #include <net/if_pflog.h>
 #endif
 
 #include <net/if_pflog.h>
 #endif
 

+

 #include <pexpert/pexpert.h>
 #include <machine/pal_routines.h>
 #include <console/video_console.h>
 #include <pexpert/pexpert.h>
 #include <machine/pal_routines.h>
 #include <console/video_console.h>


@@ -238,7 +240,7 @@ int         hostnamelen;
 char   domainname[MAXDOMNAMELEN];
 int            domainnamelen;
 
 char   domainname[MAXDOMNAMELEN];
 int            domainnamelen;
 

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

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


@@ -252,6 +254,10 @@ int minimalboot = 0;
 __private_extern__ int proc_ref_tracking_disabled = 0; /* disable panics on leaked proc refs across syscall boundary */
 #endif
 
 __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 kern_return_t IOKitBSDInit(void );
 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 );


@@ -259,8 +265,8 @@ extern void kminit(void);
 extern void file_lock_init(void);
 extern void kmeminit(void);
 extern void bsd_bufferinit(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 throttle_init(void);

-extern void macx_init(void);

 extern void acct_init(void);
 
 extern int serverperfmode;
 extern void acct_init(void);
 
 extern int serverperfmode;


@@ -290,16 +296,23 @@ __private_extern__ int bootarg_no_vnode_jetsam = 0;
 __private_extern__ int bootarg_disable_aslr = 0;
 #endif
 
 __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;
 
 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;
 kern_return_t bsd_autoconf(void);
 void bsd_utaskbootstrap(void);
 
 static void parse_bsd_args(void);
 extern task_t bsd_init_task;

-extern boolean_t init_task_died;

 #if CONFIG_DEV_KMEM
 extern void dev_kmem_init(void);
 #endif
 #if CONFIG_DEV_KMEM
 extern void dev_kmem_init(void);
 #endif


@@ -319,6 +332,8 @@ extern void sysv_sem_lock_init(void);
 extern void sysv_msg_lock_init(void);
 #endif
 
 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 */
 #if CONFIG_MACF
 #if defined (__i386__) || defined (__x86_64__)
 /* MACF policy_check configuration flags; see policy_check.c for details */


@@ -380,6 +395,17 @@ extern lck_mtx_t * execargs_cache_lock;
 void (*mountroot_post_hook)(void);
 void (*unmountroot_pre_hook)(void);
 
 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
 /*
  * 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


@@ -513,6 +539,8 @@ bsd_init(void)
        /* Initialize System Override call */
        init_system_override();
        
        /* Initialize System Override call */
        init_system_override();
        

+       ulock_initialize();
+

        /*
         * Create process 0.
         */
        /*
         * Create process 0.
         */


@@ -556,7 +584,11 @@ bsd_init(void)
        kernproc->p_flag = P_SYSTEM;
        kernproc->p_lflag = 0;
        kernproc->p_ladvflag = 0;
        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;
 #if DEVELOPMENT || DEBUG
        if (bootarg_disable_aslr)
                kernproc->p_flag |= P_DISABLE_ASLR;


@@ -687,12 +719,6 @@ bsd_init(void)
        bsd_init_kprintf("calling ubc_init\n");
        ubc_init();
 
        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();
        /* Initialize the file systems. */
        bsd_init_kprintf("calling vfsinit\n");
        vfsinit();


@@ -769,10 +795,6 @@ bsd_init(void)
         * Initialize protocols.  Block reception of incoming packets
         * until everything is ready.
         */
         * 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 dlil_init\n");
        dlil_init();
 #if NETWORKING
        bsd_init_kprintf("calling dlil_init\n");
        dlil_init();


@@ -808,9 +830,6 @@ bsd_init(void)
        memorystatus_init();
 #endif /* CONFIG_MEMORYSTATUS */
 
        memorystatus_init();
 #endif /* CONFIG_MEMORYSTATUS */
 

-       bsd_init_kprintf("calling macx_init\n");
-       macx_init();
-

        bsd_init_kprintf("calling acct_init\n");
        acct_init();
 
        bsd_init_kprintf("calling acct_init\n");
        acct_init();
 


@@ -819,9 +838,15 @@ bsd_init(void)
        kmstartup();
 #endif
 
        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 bsd_autoconf\n");
        bsd_autoconf();
 

+       bsd_init_kprintf("calling os_reason_init\n");
+       os_reason_init();
+

 #if CONFIG_DTRACE
        dtrace_postinit();
 #endif
 #if CONFIG_DTRACE
        dtrace_postinit();
 #endif


@@ -991,10 +1016,6 @@ bsd_init(void)
        bsd_init_kprintf("calling bsd_utaskbootstrap\n");
        bsd_utaskbootstrap();
 
        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");
        pal_kernel_announce();
 
        bsd_init_kprintf("calling mountroot_post_hook\n");


@@ -1004,7 +1025,7 @@ bsd_init(void)
                mountroot_post_hook();
 
 #if 0 /* not yet */
                mountroot_post_hook();
 
 #if 0 /* not yet */

-       consider_zone_gc(FALSE);
+       consider_zone_gc();

 #endif
 
 
 #endif
 
 


@@ -1032,7 +1053,6 @@ bsdinit_task(void)
        ut = (uthread_t)get_bsdthread_info(thread);
 
        bsd_init_task = get_threadtask(thread);
        ut = (uthread_t)get_bsdthread_info(thread);
 
        bsd_init_task = get_threadtask(thread);

-       init_task_died = FALSE;

 
 #if CONFIG_MACF
        mac_cred_label_associate_user(p->p_ucred);
 
 #if CONFIG_MACF
        mac_cred_label_associate_user(p->p_ucred);


@@ -1171,6 +1191,7 @@ parse_bsd_args(void)
 
        if (PE_parse_boot_argn("msgbuf", &msgbuf, sizeof (msgbuf))) {
                log_setsize(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))) {
        }
 
        if (PE_parse_boot_argn("-novfscache", namep, sizeof(namep))) {


@@ -1190,7 +1211,27 @@ parse_bsd_args(void)
        }
 #endif
 
        }
 #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));
        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
 }
 
 void