xnu-792.6.76.tar.gz

[apple/xnu.git] / osfmk / ppc / mappings.c

diff --git a/osfmk/ppc/mappings.c b/osfmk/ppc/mappings.c
index 650c8e556571cc4601644b3b88ed3cf892c6afe8..f5138334f23d40d323323e6fe4efde1712941828 100644 (file)
--- a/osfmk/ppc/mappings.c
+++ b/osfmk/ppc/mappings.c
@@ -3,20 +3,19 @@
  *
  * @APPLE_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.
+ * 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.
  * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -1527,6 +1526,19 @@ vm_offset_t kvtophys(vm_offset_t va) {
 
 }
 
+/*
+ *     kvtophys64(addr)
+ *
+ *     Convert a kernel virtual address to a 64-bit physical address
+ */
+vm_map_offset_t kvtophys64(vm_map_offset_t va) {
+       ppnum_t pa = pmap_find_phys(kernel_pmap, (addr64_t)va);
+
+       if (!pa)
+               return (vm_map_offset_t)0;
+       return (((vm_map_offset_t)pa) << 12) | (va & 0xfff);
+}
+
 /*
  *             void ignore_zero_fault(boolean_t) - Sets up to ignore or honor any fault on 
  *             page 0 access for the current thread.