xref: /netbsd-src/sys/arch/pmax/include/kdbparam.h (revision d9158b13b5dfe46201430699a3f7a235ecf28df3)
1 /*-
2  * Copyright (c) 1992, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley by
6  * Ralph Campbell.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	from: @(#)kdbparam.h	8.1 (Berkeley) 6/10/93
37  *      $Id: kdbparam.h,v 1.3 1994/05/27 09:01:10 glass Exp $
38  */
39 
40 /*
41  * Machine dependent definitions for kdb.
42  */
43 
44 #if BYTE_ORDER == LITTLE_ENDIAN
45 #define kdbshorten(w)	((w) & 0xFFFF)
46 #define	kdbbyte(w)	((w) & 0xFF)
47 #define	kdbitol(a,b)	((long)(((b) << 16) | ((a) & 0xFFFF)))
48 #define	kdbbtol(a)	((long)(a))
49 #endif
50 
51 #define LPRMODE		"%R"
52 #define OFFMODE		"+%R"
53 
54 #define	SETBP(ins)	MACH_BREAK_BRKPT
55 
56 /* return the program counter value modified if we are in a delay slot */
57 #define	kdbgetpc(pcb)		(kdbvar[kdbvarchk('t')] < 0 ? \
58 	(pcb).pcb_regs[34] + 4 : (pcb).pcb_regs[34])
59 #define	kdbishiddenreg(p)	((p) >= &kdbreglist[33])
60 #define	kdbisbreak(type)	(((type) & MACH_CR_EXC_CODE) == 0x24)
61 
62 /* check for address wrap around */
63 #define	kdbaddrwrap(addr,newaddr)	(((addr)^(newaddr)) >> 31)
64 
65 /* declare machine dependent routines defined in kadb.c */
66 void	kdbprinttrap __P((unsigned, unsigned));
67 void	kdbsetsstep __P((void));
68 void	kdbclrsstep __P((void));
69 void	kdbreadc __P((char *));
70 void	kdbwrite __P((char *, int));
71 void	kdbprintins __P((int, long));
72 void	kdbstacktrace __P((int));
73 char	*kdbmalloc __P((int));
74