Ejemplo n.º 1
0
static void xnsched_register_class(struct xnsched_class *sched_class)
{
	sched_class->next = xnsched_class_highest;
	xnsched_class_highest = sched_class;

	/*
	 * Classes shall be registered by increasing priority order,
	 * idle first and up.
	 */
	XENO_BUGON(NUCLEUS, sched_class->next &&
		   sched_class->next->weight > sched_class->weight);

	xnloginfo("scheduling class %s registered.\n", sched_class->name);
}
Ejemplo n.º 2
0
void __exit __xeno_sys_exit(void)
{
	xnpod_shutdown(XNPOD_NORMAL_EXIT);

#ifndef __XENO_SIM__
	/* Must take place before xnpod_umount(). */
	xnshadow_cleanup();
#endif

	xntbase_umount();
	xnpod_umount();

	xnarch_exit();

#ifndef __XENO_SIM__
	xnheap_umount();
#ifdef CONFIG_XENO_OPT_PIPE
	xnpipe_umount();
#endif
	xnheap_destroy_mapped(&__xnsys_global_ppd.sem_heap, NULL, NULL);
#endif /* !__XENO_SIM__ */

	xnloginfo("real-time nucleus unloaded.\n");
}
Ejemplo n.º 3
0
int __init __xeno_sys_init(void)
{
	int ret;

	xnmod_sysheap_size = module_param_value(sysheap_size_arg) * 1024;

	ret = xnarch_init();
	if (ret)
		goto fail;

#ifndef __XENO_SIM__
	ret = xnheap_init_mapped(&__xnsys_global_ppd.sem_heap,
				 CONFIG_XENO_OPT_GLOBAL_SEM_HEAPSZ * 1024,
				 XNARCH_SHARED_HEAP_FLAGS);
	if (ret)
		goto cleanup_arch;

	xnheap_set_label(&__xnsys_global_ppd.sem_heap, "global sem heap");

	xnheap_init_vdso();
	init_hostrt();
#endif /* !__XENO_SIM__ */

#ifdef __KERNEL__
	xnpod_mount();
	xnintr_mount();

#ifdef CONFIG_XENO_OPT_PIPE
	ret = xnpipe_mount();
	if (ret)
		goto cleanup_proc;
#endif /* CONFIG_XENO_OPT_PIPE */

#ifdef CONFIG_XENO_OPT_SELECT
	ret = xnselect_mount();
	if (ret)
		goto cleanup_pipe;
#endif /* CONFIG_XENO_OPT_SELECT */

	ret = xnshadow_mount();
	if (ret)
		goto cleanup_select;

	ret = xnheap_mount();
	if (ret)
		goto cleanup_shadow;
#endif /* __KERNEL__ */

	xntbase_mount();

	xnloginfo("real-time nucleus v%s (%s) loaded.\n",
		  XENO_VERSION_STRING, XENO_VERSION_NAME);

#ifdef CONFIG_XENO_OPT_DEBUG
	xnloginfo("debug mode enabled.\n");
#endif

	initq(&xnmod_glink_queue);

	xeno_nucleus_status = 0;

	xnarch_cpus_and(nkaffinity, nkaffinity, xnarch_supported_cpus);

	return 0;

#ifdef __KERNEL__

      cleanup_shadow:

	xnshadow_cleanup();

      cleanup_select:

#ifdef CONFIG_XENO_OPT_SELECT
	xnselect_umount();

      cleanup_pipe:
#endif /* CONFIG_XENO_OPT_SELECT */

#ifdef CONFIG_XENO_OPT_PIPE
	xnpipe_umount();

      cleanup_proc:

#endif /* CONFIG_XENO_OPT_PIPE */

	xnpod_umount();

      cleanup_arch:

	xnarch_exit();

#endif /* __KERNEL__ */

      fail:

	xnlogerr("system init failed, code %d.\n", ret);

	xeno_nucleus_status = ret;

	return ret;
}