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Annotation of Gnu-Mach/i386/imps/cpu_number.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Copyright (c) 1994 The University of Utah and
        !             3:  * the Computer Systems Laboratory at the University of Utah (CSL).
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Permission to use, copy, modify and distribute this software is hereby
        !             7:  * granted provided that (1) source code retains these copyright, permission,
        !             8:  * and disclaimer notices, and (2) redistributions including binaries
        !             9:  * reproduce the notices in supporting documentation, and (3) all advertising
        !            10:  * materials mentioning features or use of this software display the following
        !            11:  * acknowledgement: ``This product includes software developed by the
        !            12:  * Computer Systems Laboratory at the University of Utah.''
        !            13:  *
        !            14:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        !            15:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        !            16:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            17:  *
        !            18:  * CSL requests users of this software to return to [email protected] any
        !            19:  * improvements that they make and grant CSL redistribution rights.
        !            20:  *
        !            21:  *      Author: Bryan Ford, University of Utah CSL
        !            22:  */
        !            23: #ifndef _IMPS_CPU_NUMBER_
        !            24: #define _IMPS_CPU_NUMBER_
        !            25: 
        !            26: 
        !            27: #ifndef ASSEMBLER
        !            28: 
        !            29: #include "apic.h"
        !            30: 
        !            31: static inline int
        !            32: cpu_number()
        !            33: {
        !            34:        return apic_local_unit.unit_id.r >> 24;
        !            35: }
        !            36: 
        !            37: #else ASSEMBLER
        !            38: 
        !            39: #include "impsasm.h"
        !            40: 
        !            41: #define        CPU_NUMBER(reg)         \
        !            42:        movzbl  APIC_LOCAL_VA+APIC_LOCAL_UNIT_ID+3,reg
        !            43: 
        !            44: #endif ASSEMBLER
        !            45: 
        !            46: 
        !            47: #include "i386/cpu_number.h"
        !            48: 
        !            49: 
        !            50: #endif _IMPS_CPU_NUMBER_

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