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/i386/include/smptests.h

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    1 /*-
    2  * Copyright (c) 1996, by Steve Passe
    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. The name of the developer may NOT be used to endorse or promote products
   11  *    derived from this software without specific prior written permission.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  *
   25  * $FreeBSD: releng/6.0/sys/i386/include/smptests.h 150932 2005-10-04 15:15:22Z jhb $
   26  */
   27 
   28 #ifndef _MACHINE_SMPTESTS_H_
   29 #define _MACHINE_SMPTESTS_H_
   30 
   31 
   32 /*
   33  * Various 'tests in progress' and configuration parameters.
   34  */
   35 
   36 /*
   37  * Send CPUSTOP IPI for stop/restart of other CPUs on DDB break.
   38 #define VERBOSE_CPUSTOP_ON_DDBBREAK
   39  */
   40 #define CPUSTOP_ON_DDBBREAK
   41 
   42 /*
   43  * TLB counters.
   44  *
   45 #define COUNT_XINVLTLB_HITS
   46  */
   47 
   48 /*
   49  * Per-CPU IPI interrupt counters.
   50  *
   51 #define COUNT_IPIS
   52  */
   53 
   54 /*
   55  * Address of POST hardware port.
   56  * Defining this enables POSTCODE macros.
   57  *
   58 #define POST_ADDR               0x80
   59  */
   60 
   61 
   62 /*
   63  * POST hardware macros.
   64  */
   65 #ifdef POST_ADDR
   66 #define ASMPOSTCODE_INC                         \
   67         pushl   %eax ;                          \
   68         movl    _current_postcode, %eax ;       \
   69         incl    %eax ;                          \
   70         andl    $0xff, %eax ;                   \
   71         movl    %eax, _current_postcode ;       \
   72         outb    %al, $POST_ADDR ;               \
   73         popl    %eax
   74 
   75 /*
   76  * Overwrite the current_postcode value.
   77  */
   78 #define ASMPOSTCODE(X)                          \
   79         pushl   %eax ;                          \
   80         movl    $X, %eax ;                      \
   81         movl    %eax, _current_postcode ;       \
   82         outb    %al, $POST_ADDR ;               \
   83         popl    %eax
   84 
   85 /*
   86  * Overwrite the current_postcode low nibble.
   87  */
   88 #define ASMPOSTCODE_LO(X)                       \
   89         pushl   %eax ;                          \
   90         movl    _current_postcode, %eax ;       \
   91         andl    $0xf0, %eax ;                   \
   92         orl     $X, %eax ;                      \
   93         movl    %eax, _current_postcode ;       \
   94         outb    %al, $POST_ADDR ;               \
   95         popl    %eax
   96 
   97 /*
   98  * Overwrite the current_postcode high nibble.
   99  */
  100 #define ASMPOSTCODE_HI(X)                       \
  101         pushl   %eax ;                          \
  102         movl    _current_postcode, %eax ;       \
  103         andl    $0x0f, %eax ;                   \
  104         orl     $(X<<4), %eax ;                 \
  105         movl    %eax, _current_postcode ;       \
  106         outb    %al, $POST_ADDR ;               \
  107         popl    %eax
  108 #else
  109 #define ASMPOSTCODE_INC
  110 #define ASMPOSTCODE(X)
  111 #define ASMPOSTCODE_LO(X)
  112 #define ASMPOSTCODE_HI(X)
  113 #endif /* POST_ADDR */
  114 
  115 
  116 #endif /* _MACHINE_SMPTESTS_H_ */

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