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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/mach_param.h>
#include <kern/ipc_host.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>
vm_map_t ipc_kernel_map;
vm_size_t ipc_kernel_map_size = 1024 * 1024;
int ipc_space_max = SPACE_MAX;
int ipc_tree_entry_max = ITE_MAX;
int ipc_port_max = PORT_MAX;
int ipc_pset_max = SET_MAX;
/*
* 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;
ipc_space_zone = zinit(sizeof(struct ipc_space),
ipc_space_max * sizeof(struct ipc_space),
sizeof(struct ipc_space),
IPC_ZONE_TYPE, "ipc spaces");
ipc_tree_entry_zone =
zinit(sizeof(struct ipc_tree_entry),
ipc_tree_entry_max * sizeof(struct ipc_tree_entry),
sizeof(struct ipc_tree_entry),
IPC_ZONE_TYPE, "ipc tree entries");
ipc_object_zones[IOT_PORT] =
zinit(sizeof(struct ipc_port),
ipc_port_max * sizeof(struct ipc_port),
sizeof(struct ipc_port),
ZONE_EXHAUSTIBLE, "ipc ports");
ipc_object_zones[IOT_PORT_SET] =
zinit(sizeof(struct ipc_pset),
ipc_pset_max * sizeof(struct ipc_pset),
sizeof(struct ipc_pset),
IPC_ZONE_TYPE, "ipc port sets");
/* 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);
#if NORMA_IPC
kr = ipc_space_create_special(&ipc_space_remote);
assert(kr == KERN_SUCCESS);
#endif NORMA_IPC
/* 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;
ipc_kernel_map = kmem_suballoc(kernel_map, &min, &max,
ipc_kernel_map_size, TRUE);
ipc_host_init();
}
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