/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 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
* 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,
* 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@
*/
-/*
+/*
* 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.
*/
*
* We don't use the i386 task switch mechanism. We need a TSS
* only to hold the kernel stack pointer for the current thread.
- *
*/
#include <i386/tss.h>
-#include <i386/seg.h>
-#include <mach_kdb.h>
+#include <i386/pmap.h>
-struct i386_tss master_ktss
- __attribute__ ((section ("__DESC, master_ktss")))
- __attribute__ ((aligned (4096))) = {
- 0, /* back link */
- 0, /* esp0 */
- KERNEL_DS, /* ss0 */
- 0, /* esp1 */
- 0, /* ss1 */
- 0, /* esp2 */
- 0, /* ss2 */
- 0, /* cr3 */
- 0, /* eip */
- 0, /* eflags */
- 0, /* eax */
- 0, /* ecx */
- 0, /* edx */
- 0, /* ebx */
- 0, /* esp */
- 0, /* ebp */
- 0, /* esi */
- 0, /* edi */
- 0, /* es */
- 0, /* cs */
- 0, /* ss */
- 0, /* ds */
- 0, /* fs */
- 0, /* gs */
- KERNEL_LDT, /* ldt */
- 0, /* trace_trap */
- 0x0FFF /* IO bitmap offset -
- beyond end of TSS segment,
- so no bitmap */
-};
/*
* The transient stack for sysenter.
* due to a single-step trace trap at system call entry.
*/
struct sysenter_stack master_sstk
- __attribute__ ((section ("__DESC, master_sstk")))
- __attribute__ ((aligned (16))) = { {0}, 0 };
+__attribute__ ((section("__HIB, __desc")))
+__attribute__ ((aligned(16))) = { {0}, 0 };
-#ifdef X86_64
-struct x86_64_tss master_ktss64 __attribute__ ((aligned (4096))) = {
+struct x86_64_tss master_ktss64 __attribute__ ((aligned(4096))) __attribute__ ((section("__HIB, __desc"))) = {
.io_bit_map_offset = 0x0FFF,
};
-#endif /* X86_64 */
-
-
-
-/*
- * Task structure for double-fault handler:
- */
-struct i386_tss master_dftss
- __attribute__ ((section ("__DESC, master_dftss")))
- __attribute__ ((aligned (4096))) = {
- 0, /* back link */
- (int) &df_task_stack_end - 4, /* esp0 */
- KERNEL_DS, /* ss0 */
- 0, /* esp1 */
- 0, /* ss1 */
- 0, /* esp2 */
- 0, /* ss2 */
- 0, /* cr3 */
- (int) &df_task_start, /* eip */
- 0, /* eflags */
- 0, /* eax */
- 0, /* ecx */
- 0, /* edx */
- 0, /* ebx */
- (int) &df_task_stack_end - 4, /* esp */
- 0, /* ebp */
- 0, /* esi */
- 0, /* edi */
- KERNEL_DS, /* es */
- KERNEL_CS, /* cs */
- KERNEL_DS, /* ss */
- KERNEL_DS, /* ds */
- KERNEL_DS, /* fs */
- CPU_DATA_GS, /* gs */
- KERNEL_LDT, /* ldt */
- 0, /* trace_trap */
- 0x0FFF /* IO bitmap offset -
- beyond end of TSS segment,
- so no bitmap */
-};
-
-
-/*
- * Task structure for machine_check handler:
- */
-struct i386_tss master_mctss
- __attribute__ ((section ("__DESC, master_mctss")))
- __attribute__ ((aligned (4096))) = {
- 0, /* back link */
- (int) &mc_task_stack_end - 4, /* esp0 */
- KERNEL_DS, /* ss0 */
- 0, /* esp1 */
- 0, /* ss1 */
- 0, /* esp2 */
- 0, /* ss2 */
- 0, /* cr3 */
- (int) &mc_task_start, /* eip */
- 0, /* eflags */
- 0, /* eax */
- 0, /* ecx */
- 0, /* edx */
- 0, /* ebx */
- (int) &mc_task_stack_end - 4, /* esp */
- 0, /* ebp */
- 0, /* esi */
- 0, /* edi */
- KERNEL_DS, /* es */
- KERNEL_CS, /* cs */
- KERNEL_DS, /* ss */
- KERNEL_DS, /* ds */
- KERNEL_DS, /* fs */
- CPU_DATA_GS, /* gs */
- KERNEL_LDT, /* ldt */
- 0, /* trace_trap */
- 0x0FFF /* IO bitmap offset -
- beyond end of TSS segment,
- so no bitmap */
-};
-
-#if MACH_KDB
-
-struct i386_tss master_dbtss
- __attribute__ ((section ("__DESC, master_dbtss")))
- __attribute__ ((aligned (4096))) = {
- 0, /* back link */
- 0, /* esp0 */
- KERNEL_DS, /* ss0 */
- 0, /* esp1 */
- 0, /* ss1 */
- 0, /* esp2 */
- 0, /* ss2 */
- 0, /* cr3 */
- 0, /* eip */
- 0, /* eflags */
- 0, /* eax */
- 0, /* ecx */
- 0, /* edx */
- 0, /* ebx */
- 0, /* esp */
- 0, /* ebp */
- 0, /* esi */
- 0, /* edi */
- KERNEL_DS, /* es */
- KERNEL_CS, /* cs */
- KERNEL_DS, /* ss */
- KERNEL_DS, /* ds */
- KERNEL_DS, /* fs */
- KERNEL_DS, /* gs */
- KERNEL_LDT, /* ldt */
- 0, /* trace_trap */
- 0x0FFF /* IO bitmap offset -
- beyond end of TSS segment,
- so no bitmap */
-};
-
-#endif /* MACH_KDB */
projects / apple / xnu.git / blobdiff