From f07a4c844da9f0ecae5bbee1ab94be56505f26f7 Mon Sep 17 00:00:00 2001
From: Thomas Bushnell <thomas@gnu.org>
Date: Tue, 25 Feb 1997 21:28:37 +0000
Subject: Initial source

---
 ipc/ipc_init.c | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 ipc/ipc_init.c

(limited to 'ipc/ipc_init.c')

diff --git a/ipc/ipc_init.c b/ipc/ipc_init.c
new file mode 100644
index 00000000..29b08190
--- /dev/null
+++ b/ipc/ipc_init.c
@@ -0,0 +1,139 @@
+/*
+ * 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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