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/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University.
* Copyright (c) 1993,1994 The University of Utah and
* the Computer Systems Laboratory (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON, THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF
* THIS SOFTWARE IN ITS "AS IS" CONDITION, AND DISCLAIM ANY LIABILITY
* OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF
* THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* File: ipc/ipc_init.c
* Author: Rich Draves
* Date: 1989
*
* Functions to initialize the IPC system.
*/
#include <mach/kern_return.h>
#include <kern/ipc_host.h>
#include <kern/slab.h>
#include <vm/vm_map.h>
#include <vm/vm_kern.h>
#include <ipc/ipc_entry.h>
#include <ipc/ipc_space.h>
#include <ipc/ipc_object.h>
#include <ipc/ipc_port.h>
#include <ipc/ipc_pset.h>
#include <ipc/ipc_marequest.h>
#include <ipc/ipc_notify.h>
#include <ipc/ipc_kmsg.h>
#include <ipc/ipc_hash.h>
#include <ipc/ipc_init.h>
static struct vm_map ipc_kernel_map_store;
vm_map_t ipc_kernel_map = &ipc_kernel_map_store;
const vm_size_t ipc_kernel_map_size = 8 * 1024 * 1024;
/*
* Routine: ipc_bootstrap
* Purpose:
* Initialization needed before the kernel task
* can be created.
*/
void
ipc_bootstrap(void)
{
kern_return_t kr;
ipc_port_multiple_lock_init();
ipc_port_timestamp_lock_init();
ipc_port_timestamp_data = 0;
kmem_cache_init(&ipc_space_cache, "ipc_space",
sizeof(struct ipc_space), 0, NULL, NULL, NULL, 0);
kmem_cache_init(&ipc_tree_entry_cache, "ipc_tree_entry",
sizeof(struct ipc_tree_entry), 0, NULL, NULL, NULL, 0);
kmem_cache_init(&ipc_object_caches[IOT_PORT], "ipc_port",
sizeof(struct ipc_port), 0, NULL, NULL, NULL, 0);
kmem_cache_init(&ipc_object_caches[IOT_PORT_SET], "ipc_pset",
sizeof(struct ipc_pset), 0, NULL, NULL, NULL, 0);
/* create special spaces */
kr = ipc_space_create_special(&ipc_space_kernel);
assert(kr == KERN_SUCCESS);
kr = ipc_space_create_special(&ipc_space_reply);
assert(kr == KERN_SUCCESS);
/* initialize modules with hidden data structures */
ipc_table_init();
ipc_notify_init();
ipc_hash_init();
ipc_marequest_init();
}
/*
* Routine: ipc_init
* Purpose:
* Final initialization of the IPC system.
*/
void
ipc_init()
{
vm_offset_t min, max;
kmem_submap(ipc_kernel_map, kernel_map, &min, &max,
ipc_kernel_map_size, TRUE);
ipc_host_init();
}
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