mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*-
|
|
* Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Berkeley Software Design Inc's name may not be used to endorse or
|
|
* promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_KTR_H_
|
|
#define _MACHINE_KTR_H_
|
|
|
|
#ifdef LOCORE
|
|
|
|
#define AND(var, mask, r1, r2, r3) \
|
|
setx var, r2, r1 ; \
|
|
setx mask, r3, r2 ; \
|
|
lduw [r1], r3 ; \
|
|
and r2, r3, r1
|
|
|
|
#define TEST(var, mask, r1, r2, r3, l1) \
|
|
AND(var, mask, r1, r2, r3) ; \
|
|
brz r1, l1 ## f ; \
|
|
nop
|
|
|
|
/*
|
|
* XXX doesn't do timestamp or ktr_cpu.
|
|
* XXX could really use another register.
|
|
*/
|
|
#define ATR(desc, r1, r2, r3, l1, l2) \
|
|
.sect .rodata ; \
|
|
l1 ## : .asciz desc ; \
|
|
.previous ; \
|
|
set ktr_idx, r1 ; \
|
|
lduw [r1], r2 ; \
|
|
l2 ## : add r2, 1, r3 ; \
|
|
set KTR_ENTRIES - 1, r1 ; \
|
|
and r3, r1, r3 ; \
|
|
set ktr_idx, r1 ; \
|
|
casa [r1] ASI_N, r2, r3 ; \
|
|
cmp r2, r3 ; \
|
|
bne %icc, l2 ## b ; \
|
|
mov r3, r2 ; \
|
|
set ktr_buf, r1 ; \
|
|
mulx r2, KTR_SIZEOF, r2 ; \
|
|
add r1, r2, r1 ; \
|
|
set l1 ## b, r2 ; \
|
|
stx r2, [r1 + KTR_DESC]
|
|
|
|
#define CATR(mask, desc, r1, r2, r3, l1, l2, l3) \
|
|
TEST(ktr_mask, mask, r1, r2, r3, l3) ; \
|
|
ATR(desc, r1, r2, r3, l1, l2)
|
|
|
|
/*
|
|
* XXX crude conditional breakpoint and sir
|
|
*/
|
|
#define CBPT(mask, r1, r2, r3, l1) \
|
|
TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
|
|
DEBUGGER() ; \
|
|
l1 ## :
|
|
|
|
#define CSIR(mask, r1, r2, r3, l1) \
|
|
TEST(ktr_mask, mask, r1, r2, r3, l1) ; \
|
|
sir 42 ; \
|
|
l1 ## :
|
|
|
|
#endif /* LOCORE */
|
|
|
|
#endif /* !_MACHINE_KTR_H_ */
|