X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0c530ab8987f0ae6a1a3d9284f40182b88852816..refs/heads/master:/osfmk/i386/tss.h diff --git a/osfmk/i386/tss.h b/osfmk/i386/tss.h index 85dc5333b..84869c004 100644 --- a/osfmk/i386/tss.h +++ b/osfmk/i386/tss.h @@ -1,57 +1,63 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_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 + * @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 + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * 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) 1991,1990,1989 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. */ /* */ -#ifndef _I386_TSS_H_ -#define _I386_TSS_H_ +#ifndef _I386_TSS_H_ +#define _I386_TSS_H_ #include @@ -59,37 +65,37 @@ * i386 Task State Segment */ struct i386_tss { - uint32_t 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 - 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; - /* offset to start of IO permission - bit map */ + uint32_t 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 + * 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; + /* offset to start of IO permission + * bit map */ }; /* @@ -99,29 +105,32 @@ struct i386_tss { * 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 */ + uint64_t sysestack[64]; /* Space for a 64-bit frame and some */ + uint64_t top; /* Top and pointer to ISS in PCS */ }; +#pragma pack(4) 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 */ + 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_ */ +#pragma pack() +#endif /* _I386_TSS_H_ */