/*      $NetBSD: kdbparam.h,v 1.9 2020/07/26 08:08:41 simonb Exp $      */

/*-
* Copyright (c) 1992, 1993
*      The Regents of the University of California.  All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* 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. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
*
*      @(#)kdbparam.h  8.1 (Berkeley) 6/10/93
*/

/*
* Machine dependent definitions for kdb.
*/

#if BYTE_ORDER == LITTLE_ENDIAN
#define kdbshorten(w)   ((w) & 0xFFFF)
#define kdbbyte(w)      ((w) & 0xFF)
#define kdbitol(a,b)    ((long)(((b) << 16) | ((a) & 0xFFFF)))
#define kdbbtol(a)      ((long)(a))
#endif

#define LPRMODE         "%R"
#define OFFMODE         "+%R"

#define SETBP(ins)      MIPS_BREAK_BRKPT

/* return the program counter value modified if we are in a delay slot */
#define kdbgetpc(pcb)           (kdbvar[kdbvarchk('t')] < 0 ? \
       (pcb).pcb_regs[34] + 4 : (pcb).pcb_regs[34])
#define kdbishiddenreg(p)       ((p) >= &kdbreglist[33])
#define kdbisbreak(type)        (((type) & MIPS_CR_EXC_CODE) == 0x24)

/* check for address wrap around */
#define kdbaddrwrap(addr,newaddr)       (((addr)^(newaddr)) >> 31)

/* declare machine dependent routines defined in kadb.c */
void    kdbprinttrap(unsigned, unsigned);
void    kdbsetsstep(void);
void    kdbclrsstep(void);
void    kdbreadc(char *);
void    kdbwrite(char *, int);
void    kdbprintins(int, long);
void    kdbstacktrace(int);
char    *kdbmalloc(int);