/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @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. 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 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.
*
- * 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
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
#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 fake_descriptor master_ldt[LDTSZ] __attribute__ ((aligned (4096))) = {
+ [SEL_TO_INDEX(SYSENTER_CS)] { /* kernel code (sysenter) */
+ 0,
+ 0xfffff,
+ SZ_32|SZ_G,
+ ACC_P|ACC_PL_K|ACC_CODE_R
+ },
+ [SEL_TO_INDEX(SYSENTER_DS)] { /* kernel data (sysenter) */
+ 0,
+ 0xfffff,
+ SZ_32|SZ_G,
+ ACC_P|ACC_PL_K|ACC_DATA_W
+ },
+ [SEL_TO_INDEX(USER_CS)] { /* user code segment */
+ 0,
+ 0xfffff,
+ SZ_32|SZ_G,
+ ACC_P|ACC_PL_U|ACC_CODE_R
+ },
+ [SEL_TO_INDEX(USER_DS)] { /* user data segment */
+ 0,
+ 0xfffff,
+ SZ_32|SZ_G,
+ ACC_P|ACC_PL_U|ACC_DATA_W
+ },
+ [SEL_TO_INDEX(USER64_CS)] { /* user 64-bit code segment */
+ 0,
+ 0xfffff,
+ SZ_64|SZ_G,
+ ACC_P|ACC_PL_U|ACC_CODE_R
+ },
+ [SEL_TO_INDEX(USER_CTHREAD)] { /* user cthread segment */
+ 0,
+ 0xfffff,
+ SZ_32|SZ_G,
+ ACC_P|ACC_PL_U|ACC_DATA_W
+ },
};
projects / apple / xnu.git / blobdiff