xnu-792.22.5.tar.gz

[apple/xnu.git] / osfmk / ppc / pmap.h

diff --git a/osfmk/ppc/pmap.h b/osfmk/ppc/pmap.h
index e8b137b6447e9269fc92ad6d1b4bc66c1cafa983..483726de02229e464740441f1171a71e64026834 100644 (file)
--- a/osfmk/ppc/pmap.h
+++ b/osfmk/ppc/pmap.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * 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@
@@ -160,6 +166,7 @@ struct pmap {
 #define pmapKeyDef     0x00000006                      /* Default keys - Sup = 1, user = 1, no ex = 0 */
 #define pmapVMhost     0x00000010                      /* pmap with Virtual Machines attached to it */
 #define pmapVMgsaa     0x00000020                      /* Guest shadow assist active */
+#define pmapNXdisabled 0x00000040                      /* no-execute disabled for this pmap */
        unsigned int    spaceNum;                       /* Space number */
        unsigned int    pmapCCtl;                       /* Cache control */
 #define pmapCCtlVal    0xFFFF0000                      /* Valid entries */
@@ -276,12 +283,12 @@ extern pmapTransTab *pmapTrans;                   /* Space to pmap translate table */
 /* 
  * prototypes.
  */
-extern vm_offset_t phystokv(vm_offset_t pa);                                   /* Get kernel virtual address from physical */
-extern vm_offset_t kvtophys(vm_offset_t va);                                   /* Get physical address from kernel virtual */
+extern addr64_t                kvtophys(vm_offset_t va);                                       /* Get physical address from kernel virtual */
 extern vm_offset_t     pmap_map(vm_offset_t va,
                                 vm_offset_t spa,
                                 vm_offset_t epa,
-                                vm_prot_t prot);
+                                vm_prot_t prot,
+                                unsigned int flags);
 extern kern_return_t    pmap_add_physical_memory(vm_offset_t spa,
                                                 vm_offset_t epa,
                                                 boolean_t available,
@@ -319,6 +326,10 @@ extern int pmap_list_resident_pages(
 extern void pmap_init_sharedpage(vm_offset_t cpg);
 extern void pmap_map_sharedpage(task_t task, pmap_t pmap);
 extern void pmap_unmap_sharedpage(pmap_t pmap);
+extern void pmap_disable_NX(pmap_t pmap);
+/* Not required for ppc: */
+static inline void pmap_set_4GB_pagezero(__unused pmap_t pmap) {}
+static inline void pmap_clear_4GB_pagezero(__unused pmap_t pmap) {}