kern_return_t kern_invalid(void)
{
if (kern_invalid_debug) SoftDebugger("kern_invalid mach trap");
return(KERN_INVALID_ARGUMENT);
}
/*
* Running in virtual memory, on the interrupt stack.
* Does not return. Dispatches initial thread.
*
* Assumes that master_cpu is set.
*/
void setup_main()
{
thread_t startup_thread;
#if MACH_KDB
/*
* Cause a breakpoint trap to the debugger before proceeding
* any further if the proper option flag was specified
* on the kernel's command line.
* XXX check for surrounding spaces.
*/
if (strstr(kernel_cmdline, "-d ")) {
cninit(); /* need console for debugger */
SoftDebugger("init");
}
#else /* MACH_KDB */
if (strstr (kernel_cmdline, "-H ")) {
reboot_on_panic = 0;
}
#endif /* MACH_KDB */
panic_init();
printf_init();
sched_init();
vm_mem_bootstrap();
ipc_bootstrap();
vm_mem_init();
ipc_init();
/*
* As soon as the virtual memory system is up, we record
* that this CPU is using the kernel pmap.
*/
PMAP_ACTIVATE_KERNEL(master_cpu);
init_timers();
init_timeout();
#if XPR_DEBUG
xprbootstrap();
#endif /* XPR_DEBUG */
timestamp_init();
mapable_time_init();
machine_init();
machine_info.max_cpus = NCPUS;
machine_info.memory_size = phys_last_addr - phys_first_addr; /* XXX mem_size */
machine_info.avail_cpus = 0;
machine_info.major_version = KERNEL_MAJOR_VERSION;
machine_info.minor_version = KERNEL_MINOR_VERSION;
/*
* Initialize the IPC, task, and thread subsystems.
*/
task_init();
thread_init();
swapper_init();
#if MACH_HOST
pset_sys_init();
#endif /* MACH_HOST */
/*
* Kick off the time-out driven routines by calling
* them the first time.
*/
recompute_priorities();
compute_mach_factor();
/*
* Create a kernel thread to start the other kernel
* threads. Thread_resume (from kernel_thread) calls
* thread_setrun, which may look at current thread;
* we must avoid this, since there is no current thread.
*/
/*
* Create the thread, and point it at the routine.
*/
(void) thread_create(kernel_task, &startup_thread);
thread_start(startup_thread, start_kernel_threads);
/*
* Give it a kernel stack.
*/
thread_doswapin(startup_thread);
/*
* Pretend it is already running, and resume it.
* Since it looks as if it is running, thread_resume
* will not try to put it on the run queues.
*
* We can do all of this without locking, because nothing
* else is running yet.
*/
startup_thread->state |= TH_RUN;
(void) thread_resume(startup_thread);
/*
* Start the thread.
*/
cpu_launch_first_thread(startup_thread);
/*NOTREACHED*/
}
mach_port_t null_port(void)
{
if (kern_invalid_debug) SoftDebugger("null_port mach trap");
return(MACH_PORT_NULL);
}
