92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*-
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* Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Berkeley Software Design Inc's name may not be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $
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* $FreeBSD$
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*/
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#ifndef _MACHINE_KTR_H_
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#define _MACHINE_KTR_H_
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#ifdef LOCORE
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#define AND(var, mask, r1, r2, r3, l1) \
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setx var, r2, r1 ; \
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setx mask, r3, r2 ; \
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lduw [r1], r3 ; \
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and r2, r3, r1
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#define TEST(var, mask, r1, r2, r3, l1) \
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AND(var, mask, r1, r2, r3, l1) ; \
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brz r1, l1 ## f ; \
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nop
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/*
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* XXX doesn't do timestamp or ktr_cpu.
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* XXX could really use another register.
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*/
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#define ATR(desc, r1, r2, r3, l1, l2) \
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.sect .rodata ; \
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l1 ## : .asciz desc ; \
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.previous ; \
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set ktr_idx, r1 ; \
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lduw [r1], r2 ; \
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l2 ## : add r2, 1, r3 ; \
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set KTR_ENTRIES - 1, r1 ; \
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and r3, r1, r3 ; \
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set ktr_idx, r1 ; \
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casa [r1] ASI_N, r2, r3 ; \
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cmp r2, r3 ; \
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bne %icc, l2 ## b ; \
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mov r3, r2 ; \
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set ktr_buf, r1 ; \
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mulx r2, KTR_SIZEOF, r2 ; \
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add r1, r2, r1 ; \
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set l1 ## b, r2 ; \
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stx r2, [r1 + KTR_DESC]
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#define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \
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TEST(ktr_mask, mask, r1, r2, r3, l3) ; \
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ATR(desc, r1, r2, r3, l1, l2)
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/*
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* XXX crude conditional breakpoint and sir
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*/
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#define CBPT(mask, r1, r2, r3, l1) \
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TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
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DEBUGGER() ; \
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l1 ## :
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#define CSIR(mask, r1, r2, r3, l1) \
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TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
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sir 42 ; \
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l1 ## :
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#endif /* LOCORE */
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#endif /* !_MACHINE_KTR_H_ */
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