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