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Annotation of sys/arch/sh/include/proc.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: proc.h,v 1.2 2006/11/28 18:52:23 kettenis Exp $       */
                      2: /*     $NetBSD: proc.h,v 1.10 2005/12/11 12:18:58 christos Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
                      6:  * Copyright (c) 1991 Regents of the University of California.
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
                     14:  * 2. Redistributions in binary form must reproduce the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer in the
                     16:  *    documentation and/or other materials provided with the distribution.
                     17:  * 3. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     @(#)proc.h      7.1 (Berkeley) 5/15/91
                     34:  */
                     35:
                     36: #ifndef _SH_PROC_H_
                     37: #define        _SH_PROC_H_
                     38:
                     39: /*
                     40:  * Machine-dependent part of the proc structure for sh.
                     41:  */
                     42:
                     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 mdproc {
                     52:        struct trapframe *md_regs;      /* user context */
                     53:        struct pcb *md_pcb;             /* pcb access address */
                     54:        volatile int md_astpending;     /* AST pending on return to userland */
                     55:        int md_flags;                   /* machine-dependent flags */
                     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: #define        MDP_STEP        0x0002  /* single step */
                     63:
                     64: #ifdef _KERNEL
                     65: #ifndef _LOCORE
                     66: extern void sh_proc0_init(void);
                     67: extern struct md_upte *curupte;        /* SH3 wired u-area hack */
                     68: #endif /* _LOCORE */
                     69: #endif /* _KERNEL */
                     70: #endif /* !_SH_PROC_H_ */