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/sparc64/include/pstate.h

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    1 /*-
    2  * Copyright (c) 2001 Jake Burkholder.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/6.0/sys/sparc64/include/pstate.h 88626 2001-12-29 07:01:34Z jake $
   27  */
   28 
   29 #ifndef _MACHINE_PSTATE_H_
   30 #define _MACHINE_PSTATE_H_
   31 
   32 #define PSTATE_AG               (1<<0)
   33 #define PSTATE_IE               (1<<1)
   34 #define PSTATE_PRIV             (1<<2)
   35 #define PSTATE_AM               (1<<3)
   36 #define PSTATE_PEF              (1<<4)
   37 #define PSTATE_RED              (1<<5)
   38 
   39 #define PSTATE_MM_SHIFT         (6)
   40 #define PSTATE_MM_SIZE          (2)
   41 #define PSTATE_MM_MASK          (((1<<PSTATE_MM_SIZE)-1)<<PSTATE_MM_SHIFT)
   42 #define PSTATE_MM_TSO           (0<<PSTATE_MM_SHIFT)
   43 #define PSTATE_MM_PSO           (1<<PSTATE_MM_SHIFT)
   44 #define PSTATE_MM_RMO           (2<<PSTATE_MM_SHIFT)
   45 
   46 #define PSTATE_TLE              (1<<8)
   47 #define PSTATE_CLE              (1<<9)
   48 #define PSTATE_MG               (1<<10)
   49 #define PSTATE_IG               (1<<11)
   50 
   51 #define PSTATE_MM               PSTATE_MM_TSO
   52 
   53 #define PSTATE_NORMAL           (PSTATE_MM | PSTATE_PEF | PSTATE_PRIV)
   54 #define PSTATE_ALT              (PSTATE_NORMAL | PSTATE_AG)
   55 #define PSTATE_INTR             (PSTATE_NORMAL | PSTATE_IG)
   56 #define PSTATE_MMU              (PSTATE_NORMAL | PSTATE_MG)
   57 
   58 #define PSTATE_KERNEL           (PSTATE_NORMAL | PSTATE_IE)
   59 
   60 #define PSTATE_SECURE(pstate) \
   61         (((pstate) & ~(PSTATE_AM|PSTATE_MM_MASK)) == (PSTATE_IE|PSTATE_PEF))
   62 
   63 #endif /* !_MACHINE_PSTATE_H_ */

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