/*
* 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@
* We don't use the i386 task switch mechanism. We need a TSS
* only to hold the kernel stack pointer for the current thread.
*
+ * XXX multiprocessor??
*/
#include <i386/tss.h>
#include <i386/seg.h>
#include <mach_kdb.h>
-struct i386_tss master_ktss
- __attribute__ ((section ("__DESC, master_ktss")))
- __attribute__ ((aligned (4096))) = {
+struct i386_tss ktss = {
0, /* back link */
0, /* esp0 */
KERNEL_DS, /* ss0 */
so no bitmap */
};
-/*
- * The transient stack for sysenter.
- * At its top is a 32-bit link to the PCB in legacy mode, 64-bit otherwise.
- * NB: it also must be large enough to contain a interrupt stack frame
- * 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 };
-
-#ifdef X86_64
-struct x86_64_tss master_ktss64 __attribute__ ((aligned (4096))) = {
- .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))) = {
+struct i386_tss dbtss = {
0, /* back link */
0, /* esp0 */
KERNEL_DS, /* ss0 */
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