xnu-3789.70.16.tar.gz

[apple/xnu.git] / osfmk / i386 / i386_lowmem.h

diff --git a/osfmk/i386/i386_lowmem.h b/osfmk/i386/i386_lowmem.h
index 8a1fe906a2416569c0de27fb9c39cf30753b2834..810e1b533d8853adb841941984864d47b62914f2 100644 (file)
--- a/osfmk/i386/i386_lowmem.h
+++ b/osfmk/i386/i386_lowmem.h
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
  *
 /*
  * Copyright (c) 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,
  * 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@

  */
 
 #ifndef _I386_LOWMEM_H_
  */
 
 #ifndef _I386_LOWMEM_H_


@@ -26,10 +32,17 @@
 
 #ifdef __APPLE_API_PRIVATE
 
 
 #ifdef __APPLE_API_PRIVATE
 

-#define I386_LOWMEM_RESERVED       0x18
+/*
+ * The kernel better be statically linked at VM_MIN_KERNEL_ADDRESS + 0x100000
+ */
+#define I386_KERNEL_IMAGE_BASE_PAGE    0x100

 
 

-#define I386_HIB_PAGETABLE         0x13
-#define I386_HIB_PAGETABLE_COUNT    5
+/* For K64, only 3 pages are reserved
+ * - physical page zero, a gap page, and then real-mode-bootstrap/lowGlo.
+ * Note that the kernel virtual address 0xffffff8000002000 is re-mapped
+ * to the low globals and that physical page, 0x2000, is used by the bootstrap.
+ */
+#define I386_LOWMEM_RESERVED           3

 
 #endif /* __APPLE_API_PRIVATE */
 
 
 #endif /* __APPLE_API_PRIVATE */