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Annotation of Gnu-Mach/ipc/ipc_init.c, revision 1.1.1.4

1.1       root        1: /*
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University.
                      4:  * Copyright (c) 1993,1994 The University of Utah and
                      5:  * the Computer Systems Laboratory (CSL).
                      6:  * All rights reserved.
                      7:  *
                      8:  * Permission to use, copy, modify and distribute this software and its
                      9:  * documentation is hereby granted, provided that both the copyright
                     10:  * notice and this permission notice appear in all copies of the
                     11:  * software, derivative works or modified versions, and any portions
                     12:  * thereof, and that both notices appear in supporting documentation.
                     13:  *
                     14:  * CARNEGIE MELLON, THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF
                     15:  * THIS SOFTWARE IN ITS "AS IS" CONDITION, AND DISCLAIM ANY LIABILITY
                     16:  * OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF
                     17:  * THIS SOFTWARE.
                     18:  *
                     19:  * Carnegie Mellon requests users of this software to return to
                     20:  *
                     21:  *  Software Distribution Coordinator  or  [email protected]
                     22:  *  School of Computer Science
                     23:  *  Carnegie Mellon University
                     24:  *  Pittsburgh PA 15213-3890
                     25:  *
                     26:  * any improvements or extensions that they make and grant Carnegie Mellon
                     27:  * the rights to redistribute these changes.
                     28:  */
                     29: /*
                     30:  *     File:   ipc/ipc_init.c
                     31:  *     Author: Rich Draves
                     32:  *     Date:   1989
                     33:  *
                     34:  *     Functions to initialize the IPC system.
                     35:  */
                     36: 
                     37: #include <mach/kern_return.h>
                     38: #include <kern/ipc_host.h>
1.1.1.4 ! root       39: #include <kern/slab.h>
1.1       root       40: #include <vm/vm_map.h>
                     41: #include <vm/vm_kern.h>
                     42: #include <ipc/ipc_entry.h>
                     43: #include <ipc/ipc_space.h>
                     44: #include <ipc/ipc_object.h>
                     45: #include <ipc/ipc_port.h>
                     46: #include <ipc/ipc_pset.h>
                     47: #include <ipc/ipc_marequest.h>
                     48: #include <ipc/ipc_notify.h>
                     49: #include <ipc/ipc_kmsg.h>
                     50: #include <ipc/ipc_hash.h>
                     51: #include <ipc/ipc_init.h>
                     52: 
                     53: 
                     54: 
1.1.1.4 ! root       55: static struct vm_map ipc_kernel_map_store;
        !            56: vm_map_t ipc_kernel_map = &ipc_kernel_map_store;
        !            57: vm_size_t ipc_kernel_map_size = 8 * 1024 * 1024;
1.1       root       58: 
                     59: /*
                     60:  *     Routine:        ipc_bootstrap
                     61:  *     Purpose:
                     62:  *             Initialization needed before the kernel task
                     63:  *             can be created.
                     64:  */
                     65: 
                     66: void
                     67: ipc_bootstrap(void)
                     68: {
                     69:        kern_return_t kr;
                     70: 
                     71:        ipc_port_multiple_lock_init();
                     72: 
                     73:        ipc_port_timestamp_lock_init();
                     74:        ipc_port_timestamp_data = 0;
                     75: 
1.1.1.4 ! root       76:        kmem_cache_init(&ipc_space_cache, "ipc_space",
        !            77:                        sizeof(struct ipc_space), 0, NULL, NULL, NULL, 0);
        !            78: 
        !            79:        kmem_cache_init(&ipc_tree_entry_cache, "ipc_tree_entry",
        !            80:                        sizeof(struct ipc_tree_entry), 0, NULL, NULL, NULL, 0);
        !            81: 
        !            82:        kmem_cache_init(&ipc_object_caches[IOT_PORT], "ipc_port",
        !            83:                        sizeof(struct ipc_port), 0, NULL, NULL, NULL, 0);
        !            84: 
        !            85:        kmem_cache_init(&ipc_object_caches[IOT_PORT_SET], "ipc_pset",
        !            86:                        sizeof(struct ipc_pset), 0, NULL, NULL, NULL, 0);
1.1       root       87: 
                     88:        /* create special spaces */
                     89: 
                     90:        kr = ipc_space_create_special(&ipc_space_kernel);
                     91:        assert(kr == KERN_SUCCESS);
                     92: 
                     93:        kr = ipc_space_create_special(&ipc_space_reply);
                     94:        assert(kr == KERN_SUCCESS);
                     95: 
                     96:        /* initialize modules with hidden data structures */
                     97: 
                     98:        ipc_table_init();
                     99:        ipc_notify_init();
                    100:        ipc_hash_init();
                    101:        ipc_marequest_init();
                    102: }
                    103: 
                    104: /*
                    105:  *     Routine:        ipc_init
                    106:  *     Purpose:
                    107:  *             Final initialization of the IPC system.
                    108:  */
                    109: 
                    110: void
                    111: ipc_init()
                    112: {
                    113:        vm_offset_t min, max;
                    114: 
1.1.1.4 ! root      115:        kmem_submap(ipc_kernel_map, kernel_map, &min, &max,
        !           116:                    ipc_kernel_map_size, TRUE);
1.1       root      117: 
                    118:        ipc_host_init();
                    119: }

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