/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_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. 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.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ 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.
*
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
-/*
+/*
* 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.
*/
*/
/*
- * "Local" descriptor table. At the moment, all tasks use the
+ * "Local" descriptor table. At the moment, all tasks use the
* same LDT.
*/
#include <i386/seg.h>
-#include <i386/pmap.h>
-#include <mach/i386/vm_types.h>
-#include <mach/i386/vm_param.h>
-
-extern int syscall(void);
-extern int mach_rpc(void);
-struct fake_descriptor ldt[LDTSZ] = {
-/*007*/ { (unsigned int)&syscall,
- KERNEL_CS,
- 0, /* no parameters */
- ACC_P|ACC_PL_U|ACC_CALL_GATE
- }, /* call gate for system calls */
-/*00F*/ { (unsigned int)&mach_rpc,
- KERNEL_CS,
- 0, /* no parameters */
- ACC_P|ACC_PL_U|ACC_CALL_GATE
- }, /* call gate for mach rpc */
-/*017*/ { 0,
- 0xfffff,
- SZ_32|SZ_G,
- ACC_P|ACC_PL_U|ACC_CODE_R
- }, /* user code segment */
-/*01F*/ { 0,
- 0xfffff,
- SZ_32|SZ_G,
- ACC_P|ACC_PL_U|ACC_DATA_W
- }, /* user data segment */
-/*027*/ { 0,
- 0xfffff,
- SZ_32|SZ_G,
- ACC_P|ACC_PL_U|ACC_DATA_W
- }, /* user cthread segment */
-// Storage space for user ldt entries we will make room for 10 entries initially
-// as we will probably never need many more than that
-/*02F*/ { 0, 0, 0, 0},
-/*037*/ { 0, 0, 0, 0},
-/*03F*/ { 0, 0, 0, 0},
-/*047*/ { 0, 0, 0, 0},
-/*04F*/ { 0, 0, 0, 0},
-/*057*/ { 0, 0, 0, 0},
-/*05F*/ { 0, 0, 0, 0},
-/*067*/ { 0, 0, 0, 0},
-/*06F*/ { 0, 0, 0, 0},
-/*077*/ { 0, 0, 0, 0},
+struct real_descriptor master_ldt[LDTSZ] __attribute__ ((aligned(4096)))
+__attribute__ ((section("__HIB, __desc")))
+ = {
+ [SEL_TO_INDEX(USER_CTHREAD)] = MAKE_REAL_DESCRIPTOR( /* user cthread segment */
+ 0,
+ 0xfffff,
+ SZ_32 | SZ_G,
+ ACC_P | ACC_PL_U | ACC_DATA_W
+ ),
+ };
-};
+unsigned mldtsz = sizeof(master_ldt);
projects / apple / xnu.git / blobdiff