sys/arch/ia64/include/pcb.h

   1 /*      $NetBSD: pcb.h,v 1.1 2006/04/07 14:21:18 cherry Exp $   */
   2
   3 /*-
   4  * Copyright (c) 2003,2004 Marcel Moolenaar
   5  * Copyright (c) 2000 Doug Rabson
   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  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      $FreeBSD: src/sys/ia64/include/pcb.h,v 1.16 2004/08/16 19:05:08 marcel Exp $
  30  */
  31
  32 #ifndef _IA64_PCB_H_
  33 #define _IA64_PCB_H_
  34
  35 #include <machine/_regset.h>
  36 #include <sys/lock.h>
  37
  38 /*
  39  * PCB: process control block
  40  */
  41 struct pmap;
  42 struct pcb {
  43         struct _special         pcb_special;
  44         struct _callee_saved    pcb_preserved;
  45         struct _callee_saved_fp pcb_preserved_fp;
  46         struct _high_fp         pcb_high_fp;
  47         struct pcpu             *pcb_fpcpu;
  48         kmutex_t                pcb_fpcpu_slock;
  49
  50
  51         /* IA32 specific registers. */
  52         uint64_t                pcb_ia32_cflg;
  53         uint64_t                pcb_ia32_eflag;
  54         uint64_t                pcb_ia32_fcr;
  55         uint64_t                pcb_ia32_fdr;
  56         uint64_t                pcb_ia32_fir;
  57         uint64_t                pcb_ia32_fsr;
  58
  59         uint64_t                pcb_onfault;    /* for copy faults */
  60   //    struct pmap             *pcb_current_pmap;
  61 };
  62
  63 #ifdef _KERNEL
  64
  65 #define savectx(p)      swapctx(p, NULL)
  66
  67 struct trapframe;
  68
  69 void makectx(struct trapframe *, struct pcb *);
  70 /*void restorectx(struct pcb *) __dead2;*/
  71 int swapctx(struct pcb *old, struct pcb *new);
  72
  73 void ia32_restorectx(struct pcb *);
  74 void ia32_savectx(struct pcb *);
  75
  76 #endif
  77
  78 #endif /* _IA64_PCB_H_ */