/*- * Copyright (c) 1988 The Regents of the University of California. * All rights reserved. * * This module is believed to contain source code proprietary to AT&T. * Use and redistribution is subject to the Berkeley Software License * Agreement and your Software Agreement with AT&T (Western Electric). * * @(#)kdbparam.h 7.9 (Berkeley) 5/8/91 */ #define DBNAME "kdb\n" #define LPRMODE "%R" #define OFFMODE "+%R" #define MAXINT 0x7fffffff #define MAXSTOR (KERNBASE - ctob(UPAGES)) #define ENTRYMASK 1 /* check for entry masks */ #define ishiddenreg(p) ((p) <= &kdbreglist[8]) #define BPT 0x30 #define KCALL 0xcf #define CASEL 0xfc #define TBIT 0x10 #define KDB_IPL 0xf /* highest priority software interrupt */ #define setsoftkdb() mtpr(SIRR, KDB_IPL) #define clrsstep() (kdbpcb.pcb_psl &= ~TBIT) #define setsstep() (kdbpcb.pcb_psl |= TBIT) #define SETBP(ins) ((BPT<<24) | ((ins) & 0xffffff)) #define getprevpc(fp) kdbget((off_t)(fp)-8, DSP) /* pc of caller */ #define getprevframe(fp) (kdbget((off_t)(fp), DSP)&~3) /* fp of caller */ #define getnargs(fp) (((kdbget((off_t)(fp)-4, DSP)&0xffff)-4)/4) #define nextarg(ap) ((ap) + 4) /* next argument in list */ #define NOFRAME 0 /* fp at top of call stack */ #define issignalpc(pc) ((unsigned)MAXSTOR < (pc) && (pc) < (unsigned)KERNBASE) #define getsignalpc(fp) kdbget((off_t)(fp)+44, DSP)/* pc of caller before signal */ #define leng(a) ((long)((unsigned)(a))) #define shorten(a) (((a) >> 16) & 0xffff) #define itol(a,b) ((long)(((a) << 16) | ((b) & 0xffff))) #define byte(a) (((a) >> 24) & 0xff) #define btol(a) ((long)((a) << 24)) /* check for address wrap around */ #define addrwrap(oaddr,newaddr) \ (((oaddr)^(newaddr)) >> 24) /* * INSTACK tells whether its argument is a stack address. * INUDOT tells whether its argument is in the (extended) u. area. * These are used for consistency checking and dont have to be exact. * * INKERNEL tells whether its argument is a kernel space address. * KVTOPH trims a kernel virtal address back to its offset * in the kernel address space. */ #define INSTACK(x) (((int)(x)&0xf0000000) == 0xb0000000) #define INUDOT(x) (((int)(x)&0xf0000000) == 0xb0000000) #define INKERNEL(x) (((int)(x)&0xf0000000) == 0xc0000000) #define KERNOFF (KERNBASE + 0x800) /* start of kernel's text */ /* #define KVTOPH(x) ((x)&~ 0xc0000000) sometimes */