xnu-792.10.96.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 a0d66765f2f37fc3819b2dcc397f116485b6214c..05b66d5301077a46819f9b1ee061bc7ae3d7641c 100644 (file)
--- a/bsd/kern/bsd_init.c
+++ b/bsd/kern/bsd_init.c
@@ -117,6 +117,8 @@
 
 #include <net/init.h>
 
+#include <machine/exec.h>
+
 extern int app_profile;                /* on/off switch for pre-heat cache */
 
 char    copyright[] =
@@ -156,9 +158,13 @@ char       hostname[MAXHOSTNAMELEN];
 int            hostnamelen;
 char   domainname[MAXDOMNAMELEN];
 int            domainnamelen;
-char   classichandler[32] = {0};  
-uint32_t       classichandler_fsid = -1L;
-long   classichandler_fileid = -1L;
+#if __i386__
+struct exec_archhandler exec_archhandler_ppc = {
+       .path = "/usr/libexec/oah/translate",
+};
+#else /* __i386__ */
+struct exec_archhandler exec_archhandler_ppc;
+#endif /* __i386__ */
 
 char rootdevice[16];   /* hfs device names have at least 9 chars */
 
@@ -176,6 +182,7 @@ vm_map_t    mb_map;
 semaphore_t execve_semaphore;
 
 int    cmask = CMASK;
+extern int customnbuf;
 
 int parse_bsd_args(void);
 extern int bsd_hardclockinit;
@@ -193,6 +200,12 @@ extern void sysv_sem_lock_init(void);
 extern void sysv_msg_lock_init(void);
 extern void pshm_lock_init();
 extern void psem_lock_init();
+extern int maxprocperuid;
+
+/* kmem access not enabled by default; can be changed with boot-args */
+int setup_kmem = 0;
+
+extern void stackshot_lock_init();
 
 /*
  * Initialization code.
@@ -261,6 +274,7 @@ bsd_init()
        extern kauth_cred_t rootcred;
        register int i;
        int s;
+       int error;
        thread_t        th;
        struct vfs_context context;
        void            lightning_bolt(void );
@@ -302,17 +316,13 @@ bsd_init()
        /* give kernproc a name */
        process_name("kernel_task", p);
 
-
        /* allocate proc lock group attribute and group */
        proc_lck_grp_attr= lck_grp_attr_alloc_init();
-       lck_grp_attr_setstat(proc_lck_grp_attr);
-
+       
        proc_lck_grp = lck_grp_alloc_init("proc",  proc_lck_grp_attr);
 
-
        /* Allocate proc lock attribute */
        proc_lck_attr = lck_attr_alloc_init();
-       //lck_attr_setdebug(proc_lck_attr);
 
        lck_mtx_init(&p->p_mlock, proc_lck_grp, proc_lck_attr);
        lck_mtx_init(&p->p_fdmlock, proc_lck_grp, proc_lck_attr);
@@ -384,7 +394,7 @@ bsd_init()
                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 = MAXUPRC;
+       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;
@@ -473,6 +483,8 @@ bsd_init()
        psem_cache_init();
        time_zone_slock_init();
 
+       /* Stack snapshot facility lock */
+       stackshot_lock_init();
        /*
         * Initialize protocols.  Block reception of incoming packets
         * until everything is ready.
@@ -584,6 +596,13 @@ bsd_init()
 
        bsd_utaskbootstrap();
 
+#if __i386__
+       // this should be done after the root filesystem is mounted
+       error = set_archhandler(p, CPU_TYPE_POWERPC);
+       if (error)
+               exec_archhandler_ppc.path[0] = 0;
+#endif 
+       
        /* invoke post-root-mount hook */
        if (mountroot_post_hook != NULL)
                mountroot_post_hook();
@@ -624,7 +643,6 @@ bsdinit_task(void)
 
 
        ut = (uthread_t)get_bsdthread_info(th_act);
-       ut->uu_ar0 = (void *)get_user_regs(th_act);
 
        bsd_hardclockinit = 1;  /* Start bsd hardclock */
        bsd_init_task = get_threadtask(th_act);
@@ -794,7 +812,9 @@ parse_bsd_args()
 
        PE_parse_boot_arg("srv", &srv);
        PE_parse_boot_arg("ncl", &ncl);
-       PE_parse_boot_arg("nbuf", &nbuf);
+       if (PE_parse_boot_arg("nbuf", &max_nbuf_headers)) 
+               customnbuf = 1;
+       PE_parse_boot_arg("kmem", &setup_kmem);
 
        return 0;
 }