ktr.h

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    1 /*-
    2  * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  * 3. Berkeley Software Design Inc's name may not be used to endorse or
   13  *    promote products derived from this software without specific prior
   14  *    written permission.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  *      from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $
   29  * $FreeBSD$
   30  */
   31 
   32 #ifndef _MACHINE_KTR_H_
   33 #define _MACHINE_KTR_H_
   34 
   35 #include <sys/ktr.h>
   36 
   37 #include <machine/upa.h>
   38 
   39 #ifndef LOCORE
   40 
   41 #define KTR_CPU PCPU_GET(cpuid)
   42         
   43 #else
   44 
   45 #define AND(var, mask, r1, r2) \
   46         SET(var, r2, r1) ; \
   47         lduw    [r1], r2 ; \
   48         and     r2, mask, r1
   49 
   50 #define TEST(var, mask, r1, r2, l1) \
   51         AND(var, mask, r1, r2) ; \
   52         brz     r1, l1 ## f ; \
   53          nop
   54 
   55 /*
   56  * XXX could really use another register...
   57  */
   58 #define ATR(desc, r1, r2, r3, l1, l2) \
   59         .sect   .rodata ; \
   60 l1:     .asciz  desc ; \
   61         .previous ; \
   62         SET(ktr_idx, r2, r1) ; \
   63         lduw    [r1], r2 ; \
   64 l2:     add     r2, 1, r3 ; \
   65         set     KTR_ENTRIES - 1, r1 ; \
   66         and     r3, r1, r3 ; \
   67         set     ktr_idx, r1 ; \
   68         casa    [r1] ASI_N, r2, r3 ; \
   69         cmp     r2, r3 ; \
   70         bne     %icc, l2 ## b ; \
   71          mov    r3, r2 ; \
   72         SET(ktr_buf, r3, r1) ; \
   73         mulx    r2, KTR_SIZEOF, r2 ; \
   74         add     r1, r2, r1 ; \
   75         rd      %tick, r2 ; \
   76         stx     r2, [r1 + KTR_TIMESTAMP] ; \
   77         UPA_GET_MID(r2) ; \
   78         stw     r2, [r1 + KTR_CPU] ; \
   79         stw     %g0, [r1 + KTR_LINE] ; \
   80         stx     %g0, [r1 + KTR_FILE] ; \
   81         SET(l1 ## b, r3, r2) ; \
   82         stx     r2, [r1 + KTR_DESC]
   83 
   84 #define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \
   85         set     mask, r1 ; \
   86         TEST(ktr_mask, r1, r2, r2, l3) ; \
   87         UPA_GET_MID(r1) ; \
   88         mov     1, r2 ; \
   89         sllx    r2, r1, r1 ; \
   90         TEST(ktr_cpumask, r1, r2, r3, l3) ; \
   91         ATR(desc, r1, r2, r3, l1, l2)
   92 
   93 #endif /* LOCORE */
   94 
   95 #endif /* !_MACHINE_KTR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/sun4v/include/ktr.h

FreeBSD/Linux Kernel Cross Reference
sys/sun4v/include/ktr.h