/*
- * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <sys/param.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
-#include <sys/mount.h>
-#include <sys/proc.h>
+#include <sys/mount_internal.h>
+#include <sys/proc_internal.h>
+#include <sys/kauth.h>
#include <sys/systm.h>
-#include <sys/vnode.h>
+#include <sys/vnode_internal.h>
#include <sys/conf.h>
-#include <sys/buf.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 <bsm/audit_kernel.h>
#include <sys/malloc.h>
#include <sys/dkstat.h>
-#include <machine/spl.h>
+#include <kern/startup.h>
#include <kern/thread.h>
#include <kern/task.h>
#include <kern/ast.h>
#include <mach/shared_memory_server.h>
#include <vm/vm_shared_memory_server.h>
+#include <net/init.h>
+
+#include <machine/exec.h>
+
extern int app_profile; /* on/off switch for pre-heat cache */
char copyright[] =
struct proc proc0;
struct session session0;
struct pgrp pgrp0;
-struct pcred cred0;
struct filedesc filedesc0;
struct plimit limit0;
struct pstats pstats0;
long tk_nout;
long tk_rawcc;
+int lock_trace = 0;
/* Global variables to make pstat happy. We do swapping differently */
int nswdev, nswap;
int nswapmap;
int hostnamelen;
char domainname[MAXDOMNAMELEN];
int domainnamelen;
-char classichandler[32] = {0};
-long 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 */
-struct timeval boottime; /* GRODY! This has to go... */
#ifdef KMEMSTATS
struct kmemstats kmemstats[M_LAST];
semaphore_t execve_semaphore;
int cmask = CMASK;
+extern int customnbuf;
int parse_bsd_args(void);
extern int bsd_hardclockinit;
extern task_t bsd_init_task;
extern char init_task_failure_data[];
extern void time_zone_slock_init(void);
+static void process_name(char *, struct proc *);
+
+static void setconf(void);
funnel_t *kernel_flock;
-funnel_t *network_flock;
-int disable_funnel = 0; /* disables split funnel */
-int enable_funnel = 0; /* disables split funnel */
+
+extern void sysv_shm_lock_init(void);
+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.
/*
* Sets the name for the given task.
*/
-void
-proc_name(s, p)
+static void
+process_name(s, p)
char *s;
struct proc *p;
{
struct rlimit vm_initial_limit_data = { DFLDSIZ, MAXDSIZ };
struct rlimit vm_initial_limit_core = { DFLCSIZ, MAXCSIZ };
-extern thread_t first_thread;
-extern thread_act_t cloneproc(struct proc *, int);
-extern int (*mountroot) __P((void));
+extern thread_t cloneproc(struct proc *, int);
+extern int (*mountroot)(void);
extern int netboot_mountroot(); /* netboot.c */
extern int netboot_setup(struct proc * p);
+lck_grp_t * proc_lck_grp;
+lck_grp_attr_t * proc_lck_grp_attr;
+lck_attr_t * proc_lck_attr;
+
/* hook called after root is mounted XXX temporary hack */
void (*mountroot_post_hook)(void);
+/*
+ * 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
+ * in the context of the current (startup) task using a call to the
+ * function kernel_thread_create() to jump into start_kernel_threads().
+ * Internally, kernel_thread_create() calls thread_create_internal(),
+ * which calls uthread_alloc(). The function of uthread_alloc() is
+ * normally to allocate a uthread structure, and fill out the uu_sigmask,
+ * uu_act, and uu_ucred fields. It skips filling these out in the case
+ * of the "task" being "kernel_task", because the order of operation is
+ * inverted. To account for that, we need to manually fill in at least
+ * the uu_cred field so that the uthread structure can be used like any
+ * other.
+ */
void
bsd_init()
{
register struct proc *p;
- extern struct ucred *rootcred;
+ struct uthread *ut;
+ extern kauth_cred_t rootcred;
register int i;
int s;
+ int error;
thread_t th;
+ struct vfs_context context;
void lightning_bolt(void );
kern_return_t ret;
boolean_t funnel_state;
- extern void uthread_zone_init();
-
-
- /* split funnel is enabled by default */
- PE_parse_boot_arg("dfnl", &disable_funnel);
+ struct ucred temp_cred;
+ extern void file_lock_init(void);
kernel_flock = funnel_alloc(KERNEL_FUNNEL);
if (kernel_flock == (funnel_t *)0 ) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
- if (!disable_funnel) {
- network_flock = funnel_alloc(NETWORK_FUNNEL);
- if (network_flock == (funnel_t *)0 ) {
- panic("bsd_init: Failed to allocate network funnel");
- }
- } else {
- network_flock = kernel_flock;
- }
-
printf(copyright);
-
+
kmeminit();
parse_bsd_args();
- bsd_bufferinit();
-
/* Initialize the uthread zone */
- uthread_zone_init();
+ //uthread_zone_init(); /* XXX redundant: previous uthread_alloc() */
- /*
- * Initialize process and pgrp structures.
- */
+ /* Initialize kauth subsystem before instancing the first credential */
+ kauth_init();
+
+ /* Initialize process and pgrp structures. */
procinit();
kernproc = &proc0;
p->p_pid = 0;
/* give kernproc a name */
- proc_name("kernel_task", p);
+ process_name("kernel_task", p);
+
+ /* allocate proc lock group attribute and group */
+ proc_lck_grp_attr= lck_grp_attr_alloc_init();
+
+ proc_lck_grp = lck_grp_alloc_init("proc", proc_lck_grp_attr);
+
+ /* Allocate proc lock attribute */
+ proc_lck_attr = lck_attr_alloc_init();
+
+ lck_mtx_init(&p->p_mlock, proc_lck_grp, proc_lck_attr);
+ lck_mtx_init(&p->p_fdmlock, proc_lck_grp, proc_lck_attr);
if (current_task() != kernel_task)
printf("bsd_init: We have a problem, "
"current task is not kernel task\n");
+ ut = (uthread_t)get_bsdthread_info(current_thread());
+
/*
* Create process 0.
*/
p->task = kernel_task;
p->p_stat = SRUN;
- p->p_flag = P_INMEM|P_SYSTEM;
+ p->p_flag = P_SYSTEM;
p->p_nice = NZERO;
p->p_pptr = p;
lockinit(&p->signal_lock, PVM, "signal", 0, 0);
p->sigwait_thread = THREAD_NULL;
p->exit_thread = THREAD_NULL;
- /* Create credentials. */
- lockinit(&cred0.pc_lock, PLOCK, "proc0 cred", 0, 0);
- cred0.p_refcnt = 1;
- p->p_cred = &cred0;
- p->p_ucred = crget();
- p->p_ucred->cr_ngroups = 1; /* group 0 */
+ /*
+ * Create credential. This also Initializes the audit information.
+ * XXX It is not clear what the initial values should be for audit ID,
+ * XXX session ID, etc..
+ */
+ bzero(&temp_cred, sizeof(temp_cred));
+ temp_cred.cr_ngroups = 1;
+
+ p->p_ucred = kauth_cred_create(&temp_cred);
+
+ /* give the (already exisiting) initial thread a reference on it */
+ kauth_cred_ref(p->p_ucred);
+ ut->uu_ucred = p->p_ucred;
TAILQ_INIT(&p->aio_activeq);
TAILQ_INIT(&p->aio_doneq);
p->aio_active_count = 0;
p->aio_done_count = 0;
- /* Set the audit info for this process */
- audit_proc_init(p);
+ file_lock_init();
/* Create the file descriptor table. */
filedesc0.fd_refcnt = 1+1; /* +1 so shutdown will not _FREE_ZONE */
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;
p->p_sigacts = &sigacts0;
/*
- * Charge root for one process.
+ * Charge root for two processes: init and mach_init.
*/
(void)chgproccnt(0, 1);
&min,
(vm_size_t)BSD_PAGABLE_MAP_SIZE,
TRUE,
- TRUE,
+ VM_FLAGS_ANYWHERE,
&bsd_pageable_map);
if (ret != KERN_SUCCESS)
panic("bsd_init: Failed to allocate bsd pageable map");
}
+ /*
+ * Initialize buffers and hash links for buffers
+ *
+ * SIDE EFFECT: Starts a thread for bcleanbuf_thread(), so must
+ * happen after a credential has been associated with
+ * the kernel task.
+ */
+ bsd_bufferinit();
+
/* Initialize the execve() semaphore */
ret = semaphore_create(kernel_task, &execve_semaphore,
SYNC_POLICY_FIFO, (BSD_PAGABLE_MAP_SIZE / NCARGS));
/* Initialize mbuf's. */
mbinit();
- /* Initialize syslog */
- log_init();
-
/*
* Initializes security event auditing.
* XXX: Should/could this occur later?
/* Initialize for async IO */
aio_init();
+ /* Initialize pipes */
+ pipeinit();
+
+ /* Initialize SysV shm subsystem locks; the subsystem proper is
+ * initialized through a sysctl.
+ */
+ sysv_shm_lock_init();
+ sysv_sem_lock_init();
+ sysv_msg_lock_init();
+ pshm_lock_init();
+ psem_lock_init();
+
/* POSIX Shm and Sem */
pshm_cache_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.
*/
- s = splimp();
sysctl_register_fixed();
sysctl_mib_init();
dlil_init();
+ proto_kpi_init();
socketinit();
domaininit();
- splx(s);
p->p_fd->fd_cdir = NULL;
p->p_fd->fd_rdir = NULL;
/* Register the built-in dlil ethernet interface family */
ether_family_init();
+ /* Call any kext code that wants to run just after network init */
+ net_init_run();
+
vnode_pager_bootstrap();
+#if 0
+ /* XXX Hack for early debug stop */
+ printf("\nabout to sleep for 10 seconds\n");
+ IOSleep( 10 * 1000 );
+ /* Debugger("hello"); */
+#endif
+
+ inittodr(0);
/* Mount the root file system. */
while( TRUE) {
int err;
setconf();
- /*
- * read the time after clock_initialize_calendar()
- * and before nfs mount
- */
- microtime((struct timeval *)&time);
-
bsd_hardclockinit = -1; /* start ticking */
if (0 == (err = vfs_mountroot()))
break;
+#if NFSCLIENT
if (mountroot == netboot_mountroot) {
printf("cannot mount network root, errno = %d\n", err);
mountroot = NULL;
if (0 == (err = vfs_mountroot()))
break;
}
+#endif
printf("cannot mount root, errno = %d\n", err);
boothowto |= RB_ASKNAME;
}
- mountlist.cqh_first->mnt_flag |= MNT_ROOTFS;
+ context.vc_proc = p;
+ context.vc_ucred = p->p_ucred;
+ mountlist.tqh_first->mnt_flag |= MNT_ROOTFS;
/* Get the vnode for '/'. Set fdp->fd_fd.fd_cdir to reference it. */
- if (VFS_ROOT(mountlist.cqh_first, &rootvnode))
+ if (VFS_ROOT(mountlist.tqh_first, &rootvnode, &context))
panic("bsd_init: cannot find root vnode");
- VREF(rootvnode);
+ rootvnode->v_flag |= VROOT;
+ (void)vnode_ref(rootvnode);
+ (void)vnode_put(rootvnode);
filedesc0.fd_cdir = rootvnode;
- VOP_UNLOCK(rootvnode, 0, p);
+#if NFSCLIENT
if (mountroot == netboot_mountroot) {
int err;
/* post mount setup */
panic("bsd_init: NetBoot could not find root, %d", err);
}
}
+#endif
- /*
- * Now can look at time, having had a chance to verify the time
- * from the file system. Reset p->p_rtime as it may have been
- * munched in mi_switch() after the time got set.
- */
- p->p_stats->p_start = boottime = time;
+ microtime(&p->p_stats->p_start);
p->p_rtime.tv_sec = p->p_rtime.tv_usec = 0;
#if DEVFS
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();
struct proc *p = current_proc();
struct uthread *ut;
kern_return_t kr;
- thread_act_t th_act;
+ thread_t th_act;
shared_region_mapping_t system_region;
- proc_name("init", p);
+ process_name("init", p);
ux_handler_init();
- th_act = current_act();
+ th_act = current_thread();
(void) host_set_exception_ports(host_priv_self(),
EXC_MASK_ALL & ~(EXC_MASK_SYSCALL |
EXC_MASK_MACH_SYSCALL |
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);
init_task_failure_data[0] = 0;
- system_region = lookup_default_shared_region(ENV_DEFAULT_ROOT,
- machine_slot[cpu_number()].cpu_type);
+ system_region = lookup_default_shared_region(ENV_DEFAULT_ROOT, cpu_type());
if (system_region == NULL) {
- shared_file_boot_time_init(ENV_DEFAULT_ROOT,
- machine_slot[cpu_number()].cpu_type);
+ shared_file_boot_time_init(ENV_DEFAULT_ROOT, cpu_type());
} else {
vm_set_shared_region(get_threadtask(th_act), system_region);
}
load_init_program(p);
/* turn on app-profiling i.e. pre-heating */
app_profile = 1;
+ lock_trace = 1;
}
void
#include <sys/disklabel.h> /* for MAXPARTITIONS */
-setconf()
+static void
+setconf(void)
{
extern kern_return_t IOFindBSDRoot( char * rootName,
dev_t * root, u_int32_t * flags );
flags = 0;
}
+#if NFSCLIENT
if( flags & 1 ) {
/* network device */
mountroot = netboot_mountroot;
} else {
+#endif
/* otherwise have vfs determine root filesystem */
mountroot = NULL;
+#if NFSCLIENT
}
+#endif
}
bsd_utaskbootstrap()
{
- thread_act_t th_act;
+ thread_t th_act;
struct uthread *ut;
th_act = cloneproc(kernproc, 0);
initproc = pfind(1);
/* Set the launch time for init */
- initproc->p_stats->p_start = time;
+ microtime(&initproc->p_stats->p_start);
ut = (struct uthread *)get_bsdthread_info(th_act);
ut->uu_sigmask = 0;
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;
}
-boolean_t
-thread_funnel_switch(
- int oldfnl,
- int newfnl)
+#if !NFSCLIENT
+int
+netboot_root(void)
{
- boolean_t funnel_state_prev;
- int curfnl;
- funnel_t * curflock;
- funnel_t * oldflock;
- funnel_t * newflock;
- funnel_t * exist_funnel;
- extern int disable_funnel;
-
-
- if (disable_funnel)
- return(TRUE);
-
- if(oldfnl == newfnl) {
- panic("thread_funnel_switch: can't switch to same funnel");
- }
-
- if ((oldfnl != NETWORK_FUNNEL) && (oldfnl != KERNEL_FUNNEL)) {
- panic("thread_funnel_switch: invalid oldfunnel");
- }
- if ((newfnl != NETWORK_FUNNEL) && (newfnl != KERNEL_FUNNEL)) {
- panic("thread_funnel_switch: invalid newfunnel");
- }
-
- if((curflock = thread_funnel_get()) == THR_FUNNEL_NULL) {
- panic("thread_funnel_switch: no funnel held");
- }
-
- if ((oldfnl == NETWORK_FUNNEL) && (curflock != network_flock))
- panic("thread_funnel_switch: network funnel not held");
-
- if ((oldfnl == KERNEL_FUNNEL) && (curflock != kernel_flock))
- panic("thread_funnel_switch: kernel funnel not held");
-
- if(oldfnl == NETWORK_FUNNEL) {
- oldflock = network_flock;
- newflock = kernel_flock;
- } else {
- oldflock = kernel_flock;
- newflock = network_flock;
- }
- KERNEL_DEBUG(0x603242c | DBG_FUNC_NONE, oldflock, 1, 0, 0, 0);
- thread_funnel_set(oldflock, FALSE);
- KERNEL_DEBUG(0x6032428 | DBG_FUNC_NONE, newflock, 1, 0, 0, 0);
- thread_funnel_set(newflock, TRUE);
- KERNEL_DEBUG(0x6032434 | DBG_FUNC_NONE, newflock, 1, 0, 0, 0);
-
- return(TRUE);
+ return(0);
}
+#endif
projects / apple / xnu.git / blobdiff