/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
*
- * 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.
- *
- * 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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.
+ *
+ * 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@
*/
/*
* @OSF_COPYRIGHT@
#ifndef _I386_TSS_H_
#define _I386_TSS_H_
-#include <stdint.h>
-
/*
* i386 Task State Segment
*/
struct i386_tss {
- uint32_t back_link; /* segment number of previous task,
+ int back_link; /* segment number of previous task,
if nested */
- uint32_t esp0; /* initial stack pointer ... */
- uint32_t ss0; /* and segment for ring 0 */
- uint32_t esp1; /* initial stack pointer ... */
- uint32_t ss1; /* and segment for ring 1 */
- uint32_t esp2; /* initial stack pointer ... */
- uint32_t ss2; /* and segment for ring 2 */
- uint32_t cr3; /* CR3 - page table directory
+ int esp0; /* initial stack pointer ... */
+ int ss0; /* and segment for ring 0 */
+ int esp1; /* initial stack pointer ... */
+ int ss1; /* and segment for ring 1 */
+ int esp2; /* initial stack pointer ... */
+ int ss2; /* and segment for ring 2 */
+ int cr3; /* CR3 - page table directory
physical address */
- uint32_t eip;
- uint32_t eflags;
- uint32_t eax;
- uint32_t ecx;
- uint32_t edx;
- uint32_t ebx;
- uint32_t esp; /* current stack pointer */
- uint32_t ebp;
- uint32_t esi;
- uint32_t edi;
- uint32_t es;
- uint32_t cs;
- uint32_t ss; /* current stack segment */
- uint32_t ds;
- uint32_t fs;
- uint32_t gs;
- uint32_t ldt; /* local descriptor table segment */
- uint16_t trace_trap; /* trap on switch to this task */
- uint16_t io_bit_map_offset;
+ int eip;
+ int eflags;
+ int eax;
+ int ecx;
+ int edx;
+ int ebx;
+ int esp; /* current stack pointer */
+ int ebp;
+ int esi;
+ int edi;
+ int es;
+ int cs;
+ int ss; /* current stack segment */
+ int ds;
+ int fs;
+ int gs;
+ int ldt; /* local descriptor table segment */
+ unsigned short trace_trap; /* trap on switch to this task */
+ unsigned short io_bit_map_offset;
/* offset to start of IO permission
bit map */
};
-/*
- * Temporary stack used on kernel entry via the sysenter instruction.
- * Its top points on to the PCB save area. It must contain space for
- * a single interrupt stack frame in case of single-stepping over the sysenter.
- * Although this is defined as a 64-bit stack, the space is also used in
- * 32-bit legacy mode. For 64-bit the stack is 16-byte aligned.
- */
-struct sysenter_stack {
- uint64_t stack[16]; /* Space for a 64-bit frame and some */
- uint64_t top; /* Top and pointer to ISS in PCS */
-};
-
-struct x86_64_tss {
- uint32_t reserved1;
- uint64_t rsp0; /* stack pointer for CPL0 */
- uint64_t rsp1; /* stack pointer for CPL1 */
- uint64_t rsp2; /* stack pointer for CPL2 */
- uint32_t reserved2;
- uint32_t reserved3;
- uint64_t ist1; /* interrupt stack table 1 */
- uint64_t ist2; /* interrupt stack table 2 */
- uint64_t ist3; /* interrupt stack table 3 */
- uint64_t ist4; /* interrupt stack table 4 */
- uint64_t ist5; /* interrupt stack table 5 */
- uint64_t ist6; /* interrupt stack table 6 */
- uint64_t ist7; /* interrupt stack table 7 */
- uint32_t reserved4;
- uint32_t reserved5;
- uint16_t reserved6;
- uint16_t io_bit_map_offset;
- /* offset to IO permission bit map */
-};
#endif /* _I386_TSS_H_ */
projects / apple / xnu.git / blobdiff