sys/arch/sh3/include/proc.h

   1 /*      $NetBSD: proc.h,v 1.13 2008/02/15 02:34:46 uwe Exp $    */
   2
   3 /*
   4  * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
   5  * Copyright (c) 1991 Regents of the University of California.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  *      @(#)proc.h      7.1 (Berkeley) 5/15/91
  33  */
  34
  35 #ifndef _SH3_PROC_H_
  36 #define _SH3_PROC_H_
  37
  38 /*
  39  * Machine-dependent part of the proc structure for sh3.
  40  */
  41
  42 #include <sys/user.h> /* for sizeof(struct user) */
  43 #include <machine/param.h>
  44
  45 /* Kernel stack PTE */
  46 struct md_upte {
  47         uint32_t addr;
  48         uint32_t data;
  49 };
  50
  51 struct mdlwp {
  52         struct trapframe *md_regs;      /* user context */
  53         struct pcb *md_pcb;             /* pcb access address */
  54         int md_flags;                   /* machine-dependent flags */
  55         volatile int md_astpending;     /* AST pending on return to userland */
  56         /* u-area PTE: *2 .. SH4 data/address data array access */
  57         struct md_upte md_upte[UPAGES * 2];
  58 };
  59
  60 /* md_flags */
  61 #define MDP_USEDFPU     0x0001  /* has used the FPU */
  62
  63 struct lwp;
  64
  65 struct mdproc {
  66         void (*md_syscall)(struct lwp *, struct trapframe *);
  67 };
  68
  69 #ifdef _KERNEL
  70 #ifndef _LOCORE
  71 extern void sh_proc0_init(void);
  72 #endif /* _LOCORE */
  73 #endif /* _KERNEL */
  74 #endif /* !_SH3_PROC_H_ */