X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..cf7d32b81c573a0536dc4da4157f9c26f8d0bed3:/osfmk/ipc/ipc_init.c

diff --git a/osfmk/ipc/ipc_init.c b/osfmk/ipc/ipc_init.c
index 7545baf93..1267d06e8 100644
--- a/osfmk/ipc/ipc_init.c
+++ b/osfmk/ipc/ipc_init.c
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -50,6 +53,13 @@
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
+/*
+ * NOTICE: This file was modified by McAfee Research in 2004 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ * Copyright (c) 2005 SPARTA, Inc.
+ */
 /*
  */
 /*
@@ -63,12 +73,22 @@
 #include <mach_debug.h>
 #include <mach_rt.h>
 
+#include <mach/port.h>
 #include <mach/kern_return.h>
+
+#include <kern/kern_types.h>
+#include <kern/kalloc.h>
 #include <kern/mach_param.h>
 #include <kern/ipc_host.h>
+#include <kern/ipc_mig.h>
+#include <kern/host_notify.h>
+#include <kern/mk_timer.h>
 #include <kern/misc_protos.h>
+#include <kern/sync_lock.h>
+#include <kern/sync_sema.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>
@@ -78,7 +98,10 @@
 #include <ipc/ipc_kmsg.h>
 #include <ipc/ipc_hash.h>
 #include <ipc/ipc_init.h>
+#include <ipc/ipc_table.h>
+
 #include <mach/machine/ndr_def.h>   /* NDR_record */
+#include <ipc/ipc_labelh.h>
 
 vm_map_t ipc_kernel_map;
 vm_size_t ipc_kernel_map_size = 1024 * 1024;
@@ -93,7 +116,6 @@ int ipc_tree_entry_max = ITE_MAX;
 int ipc_port_max = PORT_MAX;
 int ipc_pset_max = SET_MAX;
 
-extern void mig_init(void);
 extern void ikm_cache_init(void);
 
 /*
@@ -156,6 +178,24 @@ ipc_bootstrap(void)
 	/* make it exhaustible */
 	zone_change(ipc_object_zones[IOT_PORT_SET], Z_EXHAUST, TRUE);
 
+	/*
+	 * Create the basic ipc_kmsg_t zone (the one we also cache)
+	 * elements at the processor-level to avoid the locking.
+	 */
+	ipc_kmsg_zone = zinit(IKM_SAVED_KMSG_SIZE,
+			      ipc_port_max * MACH_PORT_QLIMIT_DEFAULT *
+			      IKM_SAVED_KMSG_SIZE,
+			      IKM_SAVED_KMSG_SIZE,
+			      "ipc kmsgs");
+
+#if CONFIG_MACF_MACH
+	ipc_labelh_zone = 
+		zinit(sizeof(struct ipc_labelh),
+		      ipc_port_max * sizeof(struct ipc_labelh),
+		      sizeof(struct ipc_labelh),
+		      "label handles");
+#endif
+
 	/* create special spaces */
 
 	kr = ipc_space_create_special(&ipc_space_kernel);
@@ -172,11 +212,11 @@ ipc_bootstrap(void)
 #endif
 	mig_init();
 	ipc_table_init();
-	ipc_notify_init();
 	ipc_hash_init();
-	ipc_kmsg_init();
 	semaphore_init();
 	lock_set_init();
+	mk_timer_init();
+	host_notify_init();
 }
 
 /* 
@@ -195,16 +235,17 @@ void
 ipc_init(void)
 {
 	kern_return_t retval;
-	vm_offset_t min, max;
-	extern vm_size_t kalloc_max_prerounded;
+	vm_offset_t min;
 
 	retval = kmem_suballoc(kernel_map, &min, ipc_kernel_map_size,
-			       TRUE, TRUE, &ipc_kernel_map);
+			       TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_map);
+
 	if (retval != KERN_SUCCESS)
 		panic("ipc_init: kmem_suballoc of ipc_kernel_map failed");
 
 	retval = kmem_suballoc(kernel_map, &min, ipc_kernel_copy_map_size,
-			       TRUE, TRUE, &ipc_kernel_copy_map);
+			       TRUE, VM_FLAGS_ANYWHERE, &ipc_kernel_copy_map);
+
 	if (retval != KERN_SUCCESS)
 		panic("ipc_init: kmem_suballoc of ipc_kernel_copy_map failed");