init gnumach copy

1 files changed, 117 insertions, 0 deletions

diff --git a/ipc/ipc_init.c b/ipc/ipc_init.c
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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_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, 0);
+
+	kmem_cache_init(&ipc_entry_cache, "ipc_entry",
+			sizeof(struct ipc_entry), 0, NULL, 0);
+
+	kmem_cache_init(&ipc_object_caches[IOT_PORT], "ipc_port",
+			sizeof(struct ipc_port), 0, NULL, 0);
+
+	kmem_cache_init(&ipc_object_caches[IOT_PORT_SET], "ipc_pset",
+			sizeof(struct ipc_pset), 0, 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_marequest_init();
+}
+
+/*
+ *	Routine:	ipc_init
+ *	Purpose:
+ *		Final initialization of the IPC system.
+ */
+
+void
+ipc_init(void)
+{
+	vm_offset_t min, max;
+
+	kmem_submap(ipc_kernel_map, kernel_map, &min, &max,
+		    ipc_kernel_map_size);
+
+	ipc_host_init();
+}