xnu-7195.101.1.tar.gz

[apple/xnu.git] / osfmk / i386 / gdt.c

diff --git a/osfmk/i386/gdt.c b/osfmk/i386/gdt.c
index c3502e06be2f392ae91a86f075e907d2c32b8aed..c774093a13bc7e82a84287db6eab794d0043dcc8 100644 (file)
--- a/osfmk/i386/gdt.c
+++ b/osfmk/i386/gdt.c
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2013 Apple 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
@@ -11,10 +11,10 @@
  * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,35 +22,35 @@
  * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
  */
 /* CMU_ENDHIST */
-/* 
+/*
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * 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 ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  * CONDITION.  CARNEGIE MELLON DISCLAIMS 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.
  */
@@ -62,49 +62,49 @@
  */
 #include <i386/seg.h>
 
-struct real_descriptor master_gdt[GDTSZ] __attribute__ ((section("__INITGDT,__data")))= {
-       [SEL_TO_INDEX(KERNEL32_CS)] MAKE_REAL_DESCRIPTOR(       /* kernel 32-bit code */ 
+struct real_descriptor master_gdt[GDTSZ]
+__attribute__((section("__HIB,__desc")))
+__attribute__((aligned(PAGE_SIZE))) = {
+       [SEL_TO_INDEX(KERNEL32_CS)] = MAKE_REAL_DESCRIPTOR(     /* kernel 32-bit code */
                0,
                0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_K|ACC_CODE_R
-       ),
-       [SEL_TO_INDEX(KERNEL_DS)] MAKE_REAL_DESCRIPTOR( /* kernel data */
+               SZ_32 | SZ_G,
+               ACC_P | ACC_PL_K | ACC_CODE_R
+               ),
+       [SEL_TO_INDEX(KERNEL_DS)] = MAKE_REAL_DESCRIPTOR(       /* kernel data */
                0,
                0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_K|ACC_DATA_W
-       ),
-       [SEL_TO_INDEX(KERNEL64_CS)] MAKE_REAL_DESCRIPTOR(       /* kernel 64-bit code */ 
+               SZ_32 | SZ_G,
+               ACC_P | ACC_PL_K | ACC_DATA_W
+               ),
+       [SEL_TO_INDEX(KERNEL64_CS)] = MAKE_REAL_DESCRIPTOR(     /* kernel 64-bit code */
                0,
                0xfffff,
-               SZ_64|SZ_G,
-               ACC_P|ACC_PL_K|ACC_CODE_R
-       ),
-       [SEL_TO_INDEX(KERNEL64_SS)] MAKE_REAL_DESCRIPTOR(       /* kernel 64-bit syscall stack */ 
+               SZ_64 | SZ_G,
+               ACC_P | ACC_PL_K | ACC_CODE_R
+               ),
+       [SEL_TO_INDEX(KERNEL64_SS)] = MAKE_REAL_DESCRIPTOR(     /* kernel 64-bit syscall stack */
                0,
                0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_K|ACC_DATA_W
-       ),
-#ifdef __x86_64__
-       [SEL_TO_INDEX(USER_CS)] MAKE_REAL_DESCRIPTOR(   /* 32-bit user code segment */
+               SZ_32 | SZ_G,
+               ACC_P | ACC_PL_K | ACC_DATA_W
+               ),
+       [SEL_TO_INDEX(USER_CS)] = MAKE_REAL_DESCRIPTOR( /* 32-bit user code segment */
                0,
                0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_U|ACC_CODE_R
-       ),
-       [SEL_TO_INDEX(USER_DS)] MAKE_REAL_DESCRIPTOR(   /* 32-bit user data segment */
+               SZ_32 | SZ_G,
+               ACC_P | ACC_PL_U | ACC_CODE_R
+               ),
+       [SEL_TO_INDEX(USER_DS)] = MAKE_REAL_DESCRIPTOR( /* 32-bit user data segment */
                0,
                0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_U|ACC_DATA_W
-       ),
-       [SEL_TO_INDEX(USER64_CS)] MAKE_REAL_DESCRIPTOR( /* user 64-bit code segment */
+               SZ_32 | SZ_G,
+               ACC_P | ACC_PL_U | ACC_DATA_W
+               ),
+       [SEL_TO_INDEX(USER64_CS)] = MAKE_REAL_DESCRIPTOR(       /* user 64-bit code segment */
                0,
                0xfffff,
-               SZ_64|SZ_G,
-               ACC_P|ACC_PL_U|ACC_CODE_R
-       ),
-#endif
+               SZ_64 | SZ_G,
+               ACC_P | ACC_PL_U | ACC_CODE_R
+               ),
 };