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


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FreeBSD/Linux Kernel Cross Reference
sys/mips/include/proc.h

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    1 /*      $OpenBSD: proc.h,v 1.2 1998/09/15 10:50:12 pefo Exp $   */
    2 
    3 /*-
    4  * SPDX-License-Identifier: BSD-3-Clause
    5  *
    6  * Copyright (c) 1992, 1993
    7  *      The Regents of the University of California.  All rights reserved.
    8  *
    9  * This code is derived from software contributed to Berkeley by
   10  * Ralph Campbell.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  * 3. Neither the name of the University nor the names of its contributors
   21  *    may be used to endorse or promote products derived from this software
   22  *    without specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  *      @(#)proc.h      8.1 (Berkeley) 6/10/93
   37  *      JNPR: proc.h,v 1.7.2.1 2007/09/10 06:25:24 girish
   38  * $FreeBSD$
   39  */
   40 
   41 #ifndef _MACHINE_PROC_H_
   42 #define _MACHINE_PROC_H_
   43 
   44 #ifdef  CPU_CNMIPS
   45 #include <machine/octeon_cop2.h>
   46 #endif
   47 
   48 /*
   49  * Machine-dependent part of the proc structure.
   50  */
   51 struct mdthread {
   52         int             md_flags;       /* machine-dependent flags */
   53 #if defined(__mips_n64) || defined(__mips_n32) /*  PHYSADDR_64_BIT */
   54         uint64_t        md_upte[KSTACK_PAGES];  /* ptes for mapping u pcb */
   55 #else
   56         int             md_upte[KSTACK_PAGES];
   57 #endif
   58         uintptr_t       md_ss_addr;     /* single step address for ptrace */
   59         int             md_ss_instr;    /* single step instruction for ptrace */
   60         register_t      md_saved_intr;
   61         u_int           md_spinlock_count;
   62 /* The following is CPU dependent, but kept in for compatibility */
   63         int             md_pc_ctrl;     /* performance counter control */
   64         int             md_pc_count;    /* performance counter */
   65         int             md_pc_spill;    /* performance counter spill */
   66         void            *md_tls;
   67 #ifdef  CPU_CNMIPS
   68         struct octeon_cop2_state        *md_cop2; /* kernel context */
   69         struct octeon_cop2_state        *md_ucop2; /* userland context */
   70 #define COP2_OWNER_USERLAND     0x0000          /* Userland owns COP2 */
   71 #define COP2_OWNER_KERNEL       0x0001          /* Kernel owns COP2 */
   72         int             md_cop2owner;
   73 #endif
   74 };
   75 
   76 /* md_flags */
   77 #define MDTD_FPUSED     0x0001          /* Process used the FPU */
   78 #define MDTD_COP2USED   0x0002          /* Process used the COP2 */
   79 
   80 struct mdproc {
   81         size_t          md_tls_tcb_offset;      /* TCB offset */
   82 };
   83 
   84 #define MAXARGS         8
   85 struct syscall_args {
   86         u_int code;
   87         struct sysent *callp;
   88         register_t args[MAXARGS];
   89 };
   90 
   91 #ifdef __mips_n64
   92 #define KINFO_PROC_SIZE 1088
   93 #define KINFO_PROC32_SIZE 816
   94 #else
   95 #define KINFO_PROC_SIZE 816
   96 #endif
   97 
   98 #endif  /* !_MACHINE_PROC_H_ */

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