The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/i386/include/pcb.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1990 The Regents of the University of California.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * William Jolitz.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      from: @(#)pcb.h 5.10 (Berkeley) 5/12/91
   35  * $FreeBSD: head/sys/i386/include/pcb.h 326023 2017-11-20 19:43:44Z pfg $
   36  */
   37 
   38 #ifndef _I386_PCB_H_
   39 #define _I386_PCB_H_
   40 
   41 /*
   42  * Intel 386 process control block
   43  */
   44 #ifndef _KERNEL
   45 #include <machine/segments.h>
   46 #endif
   47 #include <machine/npx.h>
   48 
   49 /*
   50  * NB: The fields marked with (*) are used by kernel debuggers.  Their
   51  * ABI should be preserved.
   52  */
   53 struct pcb {
   54         int     pcb_edi;        /* (*) */
   55         int     pcb_esi;        /* (*) */
   56         int     pcb_ebp;        /* (*) */
   57         int     pcb_esp;        /* (*) */
   58         int     pcb_ebx;        /* (*) */
   59         int     pcb_eip;        /* (*) */
   60         struct segment_descriptor pcb_fsd;
   61         struct segment_descriptor pcb_gsd;
   62         int     pcb_ds;
   63         int     pcb_es;
   64         int     pcb_fs;
   65         int     pcb_gs;
   66         int     pcb_ss;
   67         int     pcb_cr0;
   68         int     pcb_cr2;
   69         int     pcb_cr3;
   70         int     pcb_cr4;
   71         int     pcb_dr0;
   72         int     pcb_dr1;
   73         int     pcb_dr2;
   74         int     pcb_dr3;
   75         int     pcb_dr6;
   76         int     pcb_dr7;
   77 
   78         struct region_descriptor pcb_gdt;
   79         struct region_descriptor pcb_idt;
   80         uint16_t        pcb_ldt;
   81         uint16_t        pcb_tr;
   82 
   83         u_int   pcb_flags;
   84 #define PCB_DBREGS      0x02    /* process using debug registers */
   85 #define PCB_NPXINITDONE 0x08    /* fpu state is initialized */
   86 #define PCB_VM86CALL    0x10    /* in vm86 call */
   87 #define PCB_NPXUSERINITDONE 0x20 /* user fpu state is initialized */
   88 #define PCB_KERNNPX     0x40    /* kernel uses npx */
   89 
   90         uint16_t pcb_initial_npxcw;
   91 
   92         caddr_t pcb_onfault;    /* copyin/out fault recovery */
   93         struct  pcb_ext *pcb_ext;       /* optional pcb extension */
   94         int     pcb_waspsl;     /* unused padding for ABI and API compat */
   95         u_long  pcb_vm86[2];    /* vm86bios scratch space */
   96         union   savefpu *pcb_save;
   97 
   98         uint32_t pcb_pad[10];
   99 };
  100 
  101 /* Per-CPU state saved during suspend and resume. */
  102 struct susppcb {
  103         struct pcb      sp_pcb;
  104 
  105         /* fpu context for suspend/resume */
  106         void            *sp_fpususpend;
  107 };
  108 
  109 #ifdef _KERNEL
  110 struct trapframe;
  111 
  112 void    makectx(struct trapframe *, struct pcb *);
  113 int     savectx(struct pcb *) __returns_twice;
  114 void    resumectx(struct pcb *) __fastcall;
  115 #endif
  116 
  117 #endif /* _I386_PCB_H_ */

Cache object: 63871eab5d993ee04d3971f2bcc9322a


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.