1/*	$NetBSD: kdbparam.h,v 1.9 2020/07/26 08:08:41 simonb Exp $	*/
 2
 3/*-
 4 * Copyright (c) 1992, 1993
 5 *	The Regents of the University of California.  All rights reserved.
 6 *
 7 * This code is derived from software contributed to Berkeley by
 8 * Ralph Campbell.
 9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)kdbparam.h	8.1 (Berkeley) 6/10/93
35 */
36
37/*
38 * Machine dependent definitions for kdb.
39 */
40
41#if BYTE_ORDER == LITTLE_ENDIAN
42#define	kdbshorten(w)	((w) & 0xFFFF)
43#define	kdbbyte(w)	((w) & 0xFF)
44#define	kdbitol(a,b)	((long)(((b) << 16) | ((a) & 0xFFFF)))
45#define	kdbbtol(a)	((long)(a))
46#endif
47
48#define	LPRMODE		"%R"
49#define	OFFMODE		"+%R"
50
51#define	SETBP(ins)	MIPS_BREAK_BRKPT
52
53/* return the program counter value modified if we are in a delay slot */
54#define	kdbgetpc(pcb)		(kdbvar[kdbvarchk('t')] < 0 ? \
55	(pcb).pcb_regs[34] + 4 : (pcb).pcb_regs[34])
56#define	kdbishiddenreg(p)	((p) >= &kdbreglist[33])
57#define	kdbisbreak(type)	(((type) & MIPS_CR_EXC_CODE) == 0x24)
58
59/* check for address wrap around */
60#define	kdbaddrwrap(addr,newaddr)	(((addr)^(newaddr)) >> 31)
61
62/* declare machine dependent routines defined in kadb.c */
63void	kdbprinttrap(unsigned, unsigned);
64void	kdbsetsstep(void);
65void	kdbclrsstep(void);
66void	kdbreadc(char *);
67void	kdbwrite(char *, int);
68void	kdbprintins(int, long);
69void	kdbstacktrace(int);
70char	*kdbmalloc(int);