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/5.1/sys/i386/include/smptests.h 109718 2003-01-23 01:04:27Z peter $
   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 /*
   38  * Put FAST_INTR() ISRs at an APIC priority above the regular INTs.
   39  * Allow the mp_lock() routines to handle FAST interrupts while spinning.
   40  */
   41 #define FAST_HI
   42 
   43 
   44 /*
   45  * These defines enable critical region locking of areas that were
   46  * protected via cli/sti in the UP kernel.
   47  *
   48  * COMLOCK protects the sio/cy drivers.
   49  * known to be incomplete:
   50  *      joystick lkm
   51  *      ?
   52  */
   53 #define USE_COMLOCK
   54 
   55 
   56 /*
   57  * Send CPUSTOP IPI for stop/restart of other CPUs on DDB break.
   58 #define VERBOSE_CPUSTOP_ON_DDBBREAK
   59  */
   60 #define CPUSTOP_ON_DDBBREAK
   61 
   62 
   63 #ifdef APIC_IO
   64 /*
   65  * Don't assume that slow interrupt handler X is called from vector
   66  * X + ICU_OFFSET.
   67  */
   68 #define APIC_INTR_REORDER
   69 
   70 #endif /* APIC_IO */
   71 
   72 /*
   73  * Misc. counters.
   74  *
   75 #define COUNT_XINVLTLB_HITS
   76  */
   77 
   78 
   79 /**
   80  * Hack to "fake-out" kernel into thinking it is running on a 'default config'.
   81  *
   82  * value == default type
   83 #define TEST_DEFAULT_CONFIG     6
   84  */
   85 
   86 
   87 /*
   88  * Simple test code for IPI interaction, save for future...
   89  *
   90 #define TEST_TEST1
   91 #define IPI_TARGET_TEST1        1
   92  */
   93 
   94 
   95 /*
   96  * Address of POST hardware port.
   97  * Defining this enables POSTCODE macros.
   98  *
   99 #define POST_ADDR               0x80
  100  */
  101 
  102 
  103 /*
  104  * POST hardware macros.
  105  */
  106 #ifdef POST_ADDR
  107 #define ASMPOSTCODE_INC                         \
  108         pushl   %eax ;                          \
  109         movl    _current_postcode, %eax ;       \
  110         incl    %eax ;                          \
  111         andl    $0xff, %eax ;                   \
  112         movl    %eax, _current_postcode ;       \
  113         outb    %al, $POST_ADDR ;               \
  114         popl    %eax
  115 
  116 /*
  117  * Overwrite the current_postcode value.
  118  */
  119 #define ASMPOSTCODE(X)                          \
  120         pushl   %eax ;                          \
  121         movl    $X, %eax ;                      \
  122         movl    %eax, _current_postcode ;       \
  123         outb    %al, $POST_ADDR ;               \
  124         popl    %eax
  125 
  126 /*
  127  * Overwrite the current_postcode low nibble.
  128  */
  129 #define ASMPOSTCODE_LO(X)                       \
  130         pushl   %eax ;                          \
  131         movl    _current_postcode, %eax ;       \
  132         andl    $0xf0, %eax ;                   \
  133         orl     $X, %eax ;                      \
  134         movl    %eax, _current_postcode ;       \
  135         outb    %al, $POST_ADDR ;               \
  136         popl    %eax
  137 
  138 /*
  139  * Overwrite the current_postcode high nibble.
  140  */
  141 #define ASMPOSTCODE_HI(X)                       \
  142         pushl   %eax ;                          \
  143         movl    _current_postcode, %eax ;       \
  144         andl    $0x0f, %eax ;                   \
  145         orl     $(X<<4), %eax ;                 \
  146         movl    %eax, _current_postcode ;       \
  147         outb    %al, $POST_ADDR ;               \
  148         popl    %eax
  149 #else
  150 #define ASMPOSTCODE_INC
  151 #define ASMPOSTCODE(X)
  152 #define ASMPOSTCODE_LO(X)
  153 #define ASMPOSTCODE_HI(X)
  154 #endif /* POST_ADDR */
  155 
  156 
  157 #endif /* _MACHINE_SMPTESTS_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/i386/include/smptests.h

FreeBSD/Linux Kernel Cross Reference
sys/i386/include/smptests.h