/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <dev/busvar.h>
#include <sys/kdebug.h>
+#include <mach/mach_types.h>
+#include <mach/vm_prot.h>
+#include <mach/semaphore.h>
+#include <mach/sync_policy.h>
+#include <kern/clock.h>
+#include <mach/kern_return.h>
+
+#include <mach/shared_memory_server.h>
+#include <vm/vm_shared_memory_server.h>
+
extern shared_region_mapping_t system_shared_region;
+extern int app_profile; /* on/off switch for pre-heat cache */
char copyright[] =
"Copyright (c) 1982, 1986, 1989, 1991, 1993\n\tThe Regents of the University of California. All rights reserved.\n\n";
struct sigacts sigacts0;
struct proc *kernproc, *initproc;
-
-long cp_time[CPUSTATES];
-long dk_seek[DK_NDRIVE];
-long dk_time[DK_NDRIVE];
-long dk_wds[DK_NDRIVE];
-long dk_wpms[DK_NDRIVE];
-long dk_xfer[DK_NDRIVE];
-long dk_bps[DK_NDRIVE];
-
-int dk_busy;
-int dk_ndrive;
-
long tk_cancc;
long tk_nin;
long tk_nout;
char rootdevice[16]; /* hfs device names have at least 9 chars */
struct timeval boottime; /* GRODY! This has to go... */
-#if FIXME /* [ */
-struct timeval time;
-#endif /* FIXME ] */
#ifdef KMEMSTATS
struct kmemstats kmemstats[M_LAST];
struct vnode *rootvp;
int boothowto = RB_DEBUG;
+#define BSD_PAGABLE_MAP_SIZE (4 * 512 * 1024)
vm_map_t bsd_pageable_map;
vm_map_t mb_map;
+semaphore_t execve_semaphore;
int cmask = CMASK;
int parse_bsd_args(void);
extern int bsd_hardclockinit;
-extern vm_address_t bsd_init_task;
+extern task_t bsd_init_task;
extern char init_task_failure_data[];
+extern void time_zone_slock_init(void);
funnel_t * kernel_flock;
funnel_t * network_flock;
/*
* Sets the name for the given task.
*/
-void proc_name(s, p)
+void
+proc_name(s, p)
char *s;
struct proc *p;
{
length + 1);
}
-
/* To allow these values to be patched, they're globals here */
#include <machine/vmparam.h>
struct rlimit vm_initial_limit_stack = { DFLSSIZ, MAXSSIZ };
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 int netboot_mountroot(); /* netboot.c */
+extern int netboot_setup(struct proc * p);
-#define SPL_DEBUG 0
-#if SPL_DEBUG
-#define dprintf(x) printf x
-#else SPL_DEBUG
-#define dprintf(x)
-#endif /* SPL_DEBUG */
-
-extern thread_t cloneproc(struct proc *, int);
+/* hook called after root is mounted XXX temporary hack */
+void (*mountroot_post_hook)(void);
void
bsd_init()
register int i;
int s;
thread_t th;
- extern void bsdinit_task();
void lightning_bolt(void );
kern_return_t ret;
boolean_t funnel_state;
extern void uthread_zone_init();
- extern int (*mountroot) __P((void));
#if 1
kernel_flock = funnel_alloc(KERNEL_FUNNEL);
if (kernel_flock == (funnel_t *)0 ) {
- panic("fail to allocate kernel mutex lock\n");
+ panic("bsd_init: Failed to allocate kernel funnel");
}
-
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (!disable_funnel) {
network_flock = funnel_alloc(NETWORK_FUNNEL);
if (network_flock == (funnel_t *)0 ) {
- panic("fail to allocate network mutex lock\n");
+ panic("bsd_init: Failed to allocate network funnel");
}
} else {
network_flock = kernel_flock;
}
-
printf(copyright);
kmeminit();
p = kernproc;
/* kernel_task->proc = kernproc; */
- set_bsdtask_info(kernel_task,(void *)kernproc);
+ set_bsdtask_info(kernel_task,(void *)p);
p->p_pid = 0;
/* give kernproc a name */
proc_name("kernel_task", p);
if (current_task() != kernel_task)
- printf("We are in for problem, current task in not kernel task\n");
+ printf("bsd_init: We have a problem, "
+ "current task is not kernel task\n");
/*
* Create process 0.
p->p_nice = NZERO;
p->p_pptr = p;
lockinit(&p->signal_lock, PVM, "signal", 0, 0);
+ TAILQ_INIT(&p->p_uthlist);
p->sigwait = FALSE;
p->sigwait_thread = THREAD_NULL;
p->exit_thread = THREAD_NULL;
*/
(void)chgproccnt(0, 1);
-
/*
* Allocate a kernel submap for pageable memory
- * for temporary copying (table(), execve()).
+ * for temporary copying (execve()).
*/
{
vm_offset_t min;
ret = kmem_suballoc(kernel_map,
&min,
- (vm_size_t)512*1024,
+ (vm_size_t)BSD_PAGABLE_MAP_SIZE,
TRUE,
TRUE,
&bsd_pageable_map);
- if (ret != KERN_SUCCESS)
- panic("Failed to allocare bsd pageable map\n");
+ if (ret != KERN_SUCCESS)
+ panic("bsd_init: Failed to allocate bsd pageable map");
}
+ /* Initialize the execve() semaphore */
+ ret = semaphore_create(kernel_task, &execve_semaphore,
+ SYNC_POLICY_FIFO, (BSD_PAGABLE_MAP_SIZE / NCARGS));
+ if (ret != KERN_SUCCESS)
+ panic("bsd_init: Failed to create execve semaphore");
+
/*
- * Initialize the calendar by
- * reading the BBC, if not already set.
- */
+ * Initialize the calendar.
+ */
IOKitResetTime();
ubc_init();
/* Initialize syslog */
log_init();
- /* Initialize SysV shm */
- shminit();
+ /* POSIX Shm and Sem */
+ pshm_cache_init();
+ psem_cache_init();
+ time_zone_slock_init();
- /* POSIX Shm and Sem */
- pshm_cache_init();
- psem_cache_init();
-
/*
* Initialize protocols. Block reception of incoming packets
* until everything is ready.
domaininit();
splx(s);
- /*
- * Create kernel idle cpu processes. This must be done
- * before a context switch can occur (and hence I/O can
- * happen in the binit() call).
- */
p->p_fd->fd_cdir = NULL;
p->p_fd->fd_rdir = NULL;
-
#ifdef GPROF
/* Initialize kernel profiling. */
kmstartup();
#if NLOOP > 0
loopattach(); /* XXX */
#endif
+
+ /* Register the built-in dlil ethernet interface family */
+ ether_family_init();
vnode_pager_bootstrap();
*/
microtime(&time);
+ bsd_hardclockinit = -1; /* start ticking */
+
if (0 == (err = vfs_mountroot()))
break;
+ if (mountroot == netboot_mountroot) {
+ printf("cannot mount network root, errno = %d\n", err);
+ mountroot = NULL;
+ if (0 == (err = vfs_mountroot()))
+ break;
+ }
printf("cannot mount root, errno = %d\n", err);
boothowto |= RB_ASKNAME;
}
/* Get the vnode for '/'. Set fdp->fd_fd.fd_cdir to reference it. */
if (VFS_ROOT(mountlist.cqh_first, &rootvnode))
- panic("cannot find root vnode");
- filedesc0.fd_cdir = rootvnode;
+ panic("bsd_init: cannot find root vnode");
VREF(rootvnode);
+ filedesc0.fd_cdir = rootvnode;
VOP_UNLOCK(rootvnode, 0, p);
+
+ if (mountroot == netboot_mountroot) {
+ int err;
+ /* post mount setup */
+ if (err = netboot_setup(p)) {
+ panic("bsd_init: NetBoot could not find root, %d", err);
+ }
+ }
/*
p->p_stats->p_start = boottime = time;
p->p_rtime.tv_sec = p->p_rtime.tv_usec = 0;
-#ifdef DEVFS
+#if DEVFS
{
extern void devfs_kernel_mount(char * str);
bsd_utaskbootstrap();
- (void) thread_funnel_set(kernel_flock, FALSE);
+ /* invoke post-root-mount hook */
+ if (mountroot_post_hook != NULL)
+ mountroot_post_hook();
+
+ (void) thread_funnel_set(kernel_flock, funnel_state);
}
+/* Called with kernel funnel held */
void
-bsdinit_task()
+bsdinit_task(void)
{
struct proc *p = current_proc();
struct uthread *ut;
kern_return_t kr;
thread_act_t th_act;
- boolean_t funnel_state;
-
- funnel_state = thread_funnel_set(kernel_flock, TRUE);
-
-#if FIXME /* [ */
-
- ipc_port_t master_bootstrap_port;
- task_t bootstrap_task;
- thread_act_t bootstrap_thr_act;
- ipc_port_t root_device_port;
- master_bootstrap_port = ipc_port_alloc_kernel();
- if (master_bootstrap_port == IP_NULL)
- panic("can't allocate master bootstrap port");
- printf("setting bootstrap port \n");
- task_set_special_port(bootstrap_task,
- TASK_BOOTSTRAP_PORT,
- ipc_port_make_send(master_bootstrap_port));
-
- printf("Setting exception port for the init task\n");
- (void) task_set_exception_ports(get_threadtask(th),
- EXC_MASK_ALL &
- ~(EXC_MASK_SYSCALL |
- EXC_MASK_MACH_SYSCALL | EXC_MASK_RPC_ALERT),
- ux_exception_port,
- EXCEPTION_DEFAULT, 0);
-
-#endif /* FIXME ] */
proc_name("init", p);
ux_handler_init();
- /* port_reference(ux_exception_port);*/
th_act = current_act();
(void) host_set_exception_ports(host_priv_self(),
bsd_hardclockinit = 1; /* Start bsd hardclock */
bsd_init_task = get_threadtask(th_act);
init_task_failure_data[0] = 0;
+ shared_region_mapping_ref(system_shared_region);
vm_set_shared_region(get_threadtask(th_act), system_shared_region);
load_init_program(p);
-
- (void) thread_funnel_set(kernel_flock, FALSE);
-
+ /* turn on app-profiling i.e. pre-heating */
+ app_profile = 1;
}
void
(void) thread_funnel_set(kernel_flock, FALSE);
}
-bsd_autoconf(){
- extern kern_return_t IOKitBSDInit( void );
+bsd_autoconf()
+{
+ extern kern_return_t IOKitBSDInit( void );
kminit();
(*pi->ps_func) (pi->ps_count);
}
- return( IOKitBSDInit());
+ return( IOKitBSDInit());
}
{
extern kern_return_t IOFindBSDRoot( char * rootName,
dev_t * root, u_int32_t * flags );
-
- extern int (*mountroot) __P((void));
- extern int nfs_mountroot(); /* nfs_vfsops.c */
-
u_int32_t flags;
kern_return_t err;
flags = 0;
}
- /* if network device then force nfs root */
if( flags & 1 ) {
- printf("mounting nfs root\n");
- mountroot = nfs_mountroot;
+ /* network device */
+ mountroot = netboot_mountroot;
} else {
/* otherwise have vfs determine root filesystem */
mountroot = NULL;
bsd_utaskbootstrap()
{
thread_act_t th_act;
+ struct uthread *ut;
- th_act = (thread_act_t)cloneproc(kernproc, 0);
+ th_act = cloneproc(kernproc, 0);
initproc = pfind(1);
+ /* Set the launch time for init */
+ initproc->p_stats->p_start = time;
+
+ ut = (struct uthread *)get_bsdthread_info(th_act);
+ ut->uu_sigmask = 0;
thread_hold(th_act);
- (void) thread_stop_wait(getshuttle_thread(th_act));
- thread_ast_set(th_act,AST_BSD_INIT);
+ (void)thread_stop(getshuttle_thread(th_act));
+ act_set_astbsd(th_act);
thread_release(th_act);
thread_unstop(getshuttle_thread(th_act));
(void) thread_resume(th_act);
panic("thread_funnel_switch: can't switch to same funnel");
}
- if ((oldfnl != NETWORK_FUNNEL) && (oldfnl != KERNEL_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 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: network funnel not held");
if ((oldfnl == KERNEL_FUNNEL) && (curflock != kernel_flock))
- panic("thread_funnel_switch: network funnel not held");
+ panic("thread_funnel_switch: kernel funnel not held");
if(oldfnl == NETWORK_FUNNEL) {
oldflock = network_flock;
projects / apple / xnu.git / blobdiff